1355 lines
48 KiB
C
1355 lines
48 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2012, 2013, NVIDIA CORPORATION. All rights reserved.
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*/
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#include <linux/io.h>
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#include <linux/clk-provider.h>
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#include <linux/of.h>
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#include <linux/of_address.h>
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#include <linux/delay.h>
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#include <linux/export.h>
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#include <linux/clk/tegra.h>
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#include <dt-bindings/clock/tegra114-car.h>
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#include "clk.h"
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#include "clk-id.h"
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#define RST_DFLL_DVCO 0x2F4
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#define CPU_FINETRIM_SELECT 0x4d4 /* override default prop dlys */
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#define CPU_FINETRIM_DR 0x4d8 /* rise->rise prop dly A */
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#define CPU_FINETRIM_R 0x4e4 /* rise->rise prop dly inc A */
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/* RST_DFLL_DVCO bitfields */
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#define DVFS_DFLL_RESET_SHIFT 0
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/* CPU_FINETRIM_SELECT and CPU_FINETRIM_DR bitfields */
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#define CPU_FINETRIM_1_FCPU_1 BIT(0) /* fcpu0 */
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#define CPU_FINETRIM_1_FCPU_2 BIT(1) /* fcpu1 */
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#define CPU_FINETRIM_1_FCPU_3 BIT(2) /* fcpu2 */
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#define CPU_FINETRIM_1_FCPU_4 BIT(3) /* fcpu3 */
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#define CPU_FINETRIM_1_FCPU_5 BIT(4) /* fl2 */
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#define CPU_FINETRIM_1_FCPU_6 BIT(5) /* ftop */
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/* CPU_FINETRIM_R bitfields */
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#define CPU_FINETRIM_R_FCPU_1_SHIFT 0 /* fcpu0 */
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#define CPU_FINETRIM_R_FCPU_1_MASK (0x3 << CPU_FINETRIM_R_FCPU_1_SHIFT)
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#define CPU_FINETRIM_R_FCPU_2_SHIFT 2 /* fcpu1 */
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#define CPU_FINETRIM_R_FCPU_2_MASK (0x3 << CPU_FINETRIM_R_FCPU_2_SHIFT)
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#define CPU_FINETRIM_R_FCPU_3_SHIFT 4 /* fcpu2 */
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#define CPU_FINETRIM_R_FCPU_3_MASK (0x3 << CPU_FINETRIM_R_FCPU_3_SHIFT)
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#define CPU_FINETRIM_R_FCPU_4_SHIFT 6 /* fcpu3 */
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#define CPU_FINETRIM_R_FCPU_4_MASK (0x3 << CPU_FINETRIM_R_FCPU_4_SHIFT)
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#define CPU_FINETRIM_R_FCPU_5_SHIFT 8 /* fl2 */
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#define CPU_FINETRIM_R_FCPU_5_MASK (0x3 << CPU_FINETRIM_R_FCPU_5_SHIFT)
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#define CPU_FINETRIM_R_FCPU_6_SHIFT 10 /* ftop */
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#define CPU_FINETRIM_R_FCPU_6_MASK (0x3 << CPU_FINETRIM_R_FCPU_6_SHIFT)
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#define TEGRA114_CLK_PERIPH_BANKS 5
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#define PLLC_BASE 0x80
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#define PLLC_MISC2 0x88
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#define PLLC_MISC 0x8c
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#define PLLC2_BASE 0x4e8
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#define PLLC2_MISC 0x4ec
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#define PLLC3_BASE 0x4fc
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#define PLLC3_MISC 0x500
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#define PLLM_BASE 0x90
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#define PLLM_MISC 0x9c
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#define PLLP_BASE 0xa0
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#define PLLP_MISC 0xac
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#define PLLX_BASE 0xe0
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#define PLLX_MISC 0xe4
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#define PLLX_MISC2 0x514
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#define PLLX_MISC3 0x518
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#define PLLD_BASE 0xd0
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#define PLLD_MISC 0xdc
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#define PLLD2_BASE 0x4b8
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#define PLLD2_MISC 0x4bc
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#define PLLE_BASE 0xe8
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#define PLLE_MISC 0xec
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#define PLLA_BASE 0xb0
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#define PLLA_MISC 0xbc
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#define PLLU_BASE 0xc0
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#define PLLU_MISC 0xcc
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#define PLLRE_BASE 0x4c4
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#define PLLRE_MISC 0x4c8
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#define PLL_MISC_LOCK_ENABLE 18
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#define PLLC_MISC_LOCK_ENABLE 24
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#define PLLDU_MISC_LOCK_ENABLE 22
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#define PLLE_MISC_LOCK_ENABLE 9
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#define PLLRE_MISC_LOCK_ENABLE 30
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#define PLLC_IDDQ_BIT 26
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#define PLLX_IDDQ_BIT 3
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#define PLLRE_IDDQ_BIT 16
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#define PLL_BASE_LOCK BIT(27)
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#define PLLE_MISC_LOCK BIT(11)
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#define PLLRE_MISC_LOCK BIT(24)
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#define PLLCX_BASE_LOCK (BIT(26)|BIT(27))
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#define PLLE_AUX 0x48c
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#define PLLC_OUT 0x84
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#define PLLM_OUT 0x94
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#define OSC_CTRL 0x50
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#define OSC_CTRL_OSC_FREQ_SHIFT 28
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#define OSC_CTRL_PLL_REF_DIV_SHIFT 26
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#define PLLXC_SW_MAX_P 6
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#define CCLKG_BURST_POLICY 0x368
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#define CLK_SOURCE_CSITE 0x1d4
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#define CLK_SOURCE_EMC 0x19c
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/* PLLM override registers */
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#define PMC_PLLM_WB0_OVERRIDE 0x1dc
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#define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
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/* Tegra CPU clock and reset control regs */
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#define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS 0x470
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#define MUX8(_name, _parents, _offset, \
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_clk_num, _gate_flags, _clk_id) \
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TEGRA_INIT_DATA_TABLE(_name, NULL, NULL, _parents, _offset,\
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29, MASK(3), 0, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP,\
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_clk_num, _gate_flags, _clk_id, _parents##_idx, 0,\
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NULL)
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#ifdef CONFIG_PM_SLEEP
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static struct cpu_clk_suspend_context {
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u32 clk_csite_src;
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u32 cclkg_burst;
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u32 cclkg_divider;
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} tegra114_cpu_clk_sctx;
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#endif
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static void __iomem *clk_base;
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static void __iomem *pmc_base;
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static DEFINE_SPINLOCK(pll_d_lock);
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static DEFINE_SPINLOCK(pll_d2_lock);
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static DEFINE_SPINLOCK(pll_u_lock);
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static DEFINE_SPINLOCK(pll_re_lock);
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static DEFINE_SPINLOCK(emc_lock);
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static struct div_nmp pllxc_nmp = {
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.divm_shift = 0,
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.divm_width = 8,
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.divn_shift = 8,
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.divn_width = 8,
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.divp_shift = 20,
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.divp_width = 4,
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};
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static const struct pdiv_map pllxc_p[] = {
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{ .pdiv = 1, .hw_val = 0 },
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{ .pdiv = 2, .hw_val = 1 },
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{ .pdiv = 3, .hw_val = 2 },
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{ .pdiv = 4, .hw_val = 3 },
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{ .pdiv = 5, .hw_val = 4 },
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{ .pdiv = 6, .hw_val = 5 },
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{ .pdiv = 8, .hw_val = 6 },
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{ .pdiv = 10, .hw_val = 7 },
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{ .pdiv = 12, .hw_val = 8 },
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{ .pdiv = 16, .hw_val = 9 },
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{ .pdiv = 12, .hw_val = 10 },
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{ .pdiv = 16, .hw_val = 11 },
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{ .pdiv = 20, .hw_val = 12 },
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{ .pdiv = 24, .hw_val = 13 },
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{ .pdiv = 32, .hw_val = 14 },
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{ .pdiv = 0, .hw_val = 0 },
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};
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static struct tegra_clk_pll_freq_table pll_c_freq_table[] = {
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{ 12000000, 624000000, 104, 1, 2, 0 },
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{ 12000000, 600000000, 100, 1, 2, 0 },
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{ 13000000, 600000000, 92, 1, 2, 0 }, /* actual: 598.0 MHz */
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{ 16800000, 600000000, 71, 1, 2, 0 }, /* actual: 596.4 MHz */
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{ 19200000, 600000000, 62, 1, 2, 0 }, /* actual: 595.2 MHz */
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{ 26000000, 600000000, 92, 2, 2, 0 }, /* actual: 598.0 MHz */
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{ 0, 0, 0, 0, 0, 0 },
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};
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static struct tegra_clk_pll_params pll_c_params = {
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.input_min = 12000000,
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.input_max = 800000000,
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.cf_min = 12000000,
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.cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
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.vco_min = 600000000,
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.vco_max = 1400000000,
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.base_reg = PLLC_BASE,
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.misc_reg = PLLC_MISC,
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.lock_mask = PLL_BASE_LOCK,
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.lock_enable_bit_idx = PLLC_MISC_LOCK_ENABLE,
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.lock_delay = 300,
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.iddq_reg = PLLC_MISC,
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.iddq_bit_idx = PLLC_IDDQ_BIT,
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.max_p = PLLXC_SW_MAX_P,
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.dyn_ramp_reg = PLLC_MISC2,
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.stepa_shift = 17,
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.stepb_shift = 9,
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.pdiv_tohw = pllxc_p,
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.div_nmp = &pllxc_nmp,
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.freq_table = pll_c_freq_table,
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.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
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};
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static struct div_nmp pllcx_nmp = {
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.divm_shift = 0,
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.divm_width = 2,
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.divn_shift = 8,
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.divn_width = 8,
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.divp_shift = 20,
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.divp_width = 3,
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};
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static const struct pdiv_map pllc_p[] = {
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{ .pdiv = 1, .hw_val = 0 },
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{ .pdiv = 2, .hw_val = 1 },
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{ .pdiv = 4, .hw_val = 3 },
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{ .pdiv = 8, .hw_val = 5 },
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{ .pdiv = 16, .hw_val = 7 },
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{ .pdiv = 0, .hw_val = 0 },
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};
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static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
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{ 12000000, 600000000, 100, 1, 2, 0 },
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{ 13000000, 600000000, 92, 1, 2, 0 }, /* actual: 598.0 MHz */
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{ 16800000, 600000000, 71, 1, 2, 0 }, /* actual: 596.4 MHz */
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{ 19200000, 600000000, 62, 1, 2, 0 }, /* actual: 595.2 MHz */
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{ 26000000, 600000000, 92, 2, 2, 0 }, /* actual: 598.0 MHz */
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{ 0, 0, 0, 0, 0, 0 },
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};
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static struct tegra_clk_pll_params pll_c2_params = {
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.input_min = 12000000,
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.input_max = 48000000,
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.cf_min = 12000000,
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.cf_max = 19200000,
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.vco_min = 600000000,
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.vco_max = 1200000000,
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.base_reg = PLLC2_BASE,
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.misc_reg = PLLC2_MISC,
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.lock_mask = PLL_BASE_LOCK,
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.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
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.lock_delay = 300,
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.pdiv_tohw = pllc_p,
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.div_nmp = &pllcx_nmp,
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.max_p = 7,
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.ext_misc_reg[0] = 0x4f0,
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.ext_misc_reg[1] = 0x4f4,
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.ext_misc_reg[2] = 0x4f8,
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.freq_table = pll_cx_freq_table,
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.flags = TEGRA_PLL_USE_LOCK,
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};
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static struct tegra_clk_pll_params pll_c3_params = {
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.input_min = 12000000,
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.input_max = 48000000,
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.cf_min = 12000000,
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.cf_max = 19200000,
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.vco_min = 600000000,
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.vco_max = 1200000000,
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.base_reg = PLLC3_BASE,
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.misc_reg = PLLC3_MISC,
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.lock_mask = PLL_BASE_LOCK,
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.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
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.lock_delay = 300,
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.pdiv_tohw = pllc_p,
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.div_nmp = &pllcx_nmp,
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.max_p = 7,
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.ext_misc_reg[0] = 0x504,
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.ext_misc_reg[1] = 0x508,
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.ext_misc_reg[2] = 0x50c,
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.freq_table = pll_cx_freq_table,
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.flags = TEGRA_PLL_USE_LOCK,
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};
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static struct div_nmp pllm_nmp = {
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.divm_shift = 0,
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.divm_width = 8,
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.override_divm_shift = 0,
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.divn_shift = 8,
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.divn_width = 8,
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.override_divn_shift = 8,
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.divp_shift = 20,
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.divp_width = 1,
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.override_divp_shift = 27,
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};
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static const struct pdiv_map pllm_p[] = {
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{ .pdiv = 1, .hw_val = 0 },
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{ .pdiv = 2, .hw_val = 1 },
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{ .pdiv = 0, .hw_val = 0 },
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};
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static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
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{ 12000000, 800000000, 66, 1, 1, 0 }, /* actual: 792.0 MHz */
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{ 13000000, 800000000, 61, 1, 1, 0 }, /* actual: 793.0 MHz */
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{ 16800000, 800000000, 47, 1, 1, 0 }, /* actual: 789.6 MHz */
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{ 19200000, 800000000, 41, 1, 1, 0 }, /* actual: 787.2 MHz */
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{ 26000000, 800000000, 61, 2, 1, 0 }, /* actual: 793.0 MHz */
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{ 0, 0, 0, 0, 0, 0 },
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};
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static struct tegra_clk_pll_params pll_m_params = {
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.input_min = 12000000,
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.input_max = 500000000,
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.cf_min = 12000000,
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.cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
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.vco_min = 400000000,
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.vco_max = 1066000000,
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.base_reg = PLLM_BASE,
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.misc_reg = PLLM_MISC,
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.lock_mask = PLL_BASE_LOCK,
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.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
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.lock_delay = 300,
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.max_p = 2,
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.pdiv_tohw = pllm_p,
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.div_nmp = &pllm_nmp,
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.pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
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.pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
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.freq_table = pll_m_freq_table,
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.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE |
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TEGRA_PLL_FIXED,
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};
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static struct div_nmp pllp_nmp = {
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.divm_shift = 0,
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.divm_width = 5,
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.divn_shift = 8,
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.divn_width = 10,
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.divp_shift = 20,
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.divp_width = 3,
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};
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static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
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{ 12000000, 216000000, 432, 12, 2, 8 },
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{ 13000000, 216000000, 432, 13, 2, 8 },
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{ 16800000, 216000000, 360, 14, 2, 8 },
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{ 19200000, 216000000, 360, 16, 2, 8 },
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{ 26000000, 216000000, 432, 26, 2, 8 },
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{ 0, 0, 0, 0, 0, 0 },
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};
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static struct tegra_clk_pll_params pll_p_params = {
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.input_min = 2000000,
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.input_max = 31000000,
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.cf_min = 1000000,
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.cf_max = 6000000,
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.vco_min = 200000000,
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.vco_max = 700000000,
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.base_reg = PLLP_BASE,
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.misc_reg = PLLP_MISC,
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.lock_mask = PLL_BASE_LOCK,
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.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
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.lock_delay = 300,
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.div_nmp = &pllp_nmp,
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.freq_table = pll_p_freq_table,
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.flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK |
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TEGRA_PLL_HAS_LOCK_ENABLE,
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.fixed_rate = 408000000,
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};
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static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
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{ 9600000, 282240000, 147, 5, 1, 4 },
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{ 9600000, 368640000, 192, 5, 1, 4 },
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{ 9600000, 240000000, 200, 8, 1, 8 },
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{ 28800000, 282240000, 245, 25, 1, 8 },
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{ 28800000, 368640000, 320, 25, 1, 8 },
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{ 28800000, 240000000, 200, 24, 1, 8 },
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{ 0, 0, 0, 0, 0, 0 },
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};
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static struct tegra_clk_pll_params pll_a_params = {
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.input_min = 2000000,
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.input_max = 31000000,
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.cf_min = 1000000,
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.cf_max = 6000000,
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.vco_min = 200000000,
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.vco_max = 700000000,
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.base_reg = PLLA_BASE,
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.misc_reg = PLLA_MISC,
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.lock_mask = PLL_BASE_LOCK,
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.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
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.lock_delay = 300,
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.div_nmp = &pllp_nmp,
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.freq_table = pll_a_freq_table,
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.flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_USE_LOCK |
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TEGRA_PLL_HAS_LOCK_ENABLE,
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};
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static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
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{ 12000000, 216000000, 864, 12, 4, 12 },
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{ 13000000, 216000000, 864, 13, 4, 12 },
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{ 16800000, 216000000, 720, 14, 4, 12 },
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{ 19200000, 216000000, 720, 16, 4, 12 },
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{ 26000000, 216000000, 864, 26, 4, 12 },
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{ 12000000, 594000000, 594, 12, 1, 12 },
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{ 13000000, 594000000, 594, 13, 1, 12 },
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{ 16800000, 594000000, 495, 14, 1, 12 },
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{ 19200000, 594000000, 495, 16, 1, 12 },
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{ 26000000, 594000000, 594, 26, 1, 12 },
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{ 12000000, 1000000000, 1000, 12, 1, 12 },
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{ 13000000, 1000000000, 1000, 13, 1, 12 },
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{ 19200000, 1000000000, 625, 12, 1, 12 },
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{ 26000000, 1000000000, 1000, 26, 1, 12 },
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{ 0, 0, 0, 0, 0, 0 },
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};
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static struct tegra_clk_pll_params pll_d_params = {
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.input_min = 2000000,
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.input_max = 40000000,
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.cf_min = 1000000,
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.cf_max = 6000000,
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.vco_min = 500000000,
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.vco_max = 1000000000,
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.base_reg = PLLD_BASE,
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.misc_reg = PLLD_MISC,
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.lock_mask = PLL_BASE_LOCK,
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.lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
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.lock_delay = 1000,
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.div_nmp = &pllp_nmp,
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.freq_table = pll_d_freq_table,
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.flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
|
|
TEGRA_PLL_HAS_LOCK_ENABLE,
|
|
};
|
|
|
|
static struct tegra_clk_pll_params pll_d2_params = {
|
|
.input_min = 2000000,
|
|
.input_max = 40000000,
|
|
.cf_min = 1000000,
|
|
.cf_max = 6000000,
|
|
.vco_min = 500000000,
|
|
.vco_max = 1000000000,
|
|
.base_reg = PLLD2_BASE,
|
|
.misc_reg = PLLD2_MISC,
|
|
.lock_mask = PLL_BASE_LOCK,
|
|
.lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
|
|
.lock_delay = 1000,
|
|
.div_nmp = &pllp_nmp,
|
|
.freq_table = pll_d_freq_table,
|
|
.flags = TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
|
|
TEGRA_PLL_HAS_LOCK_ENABLE,
|
|
};
|
|
|
|
static const struct pdiv_map pllu_p[] = {
|
|
{ .pdiv = 1, .hw_val = 1 },
|
|
{ .pdiv = 2, .hw_val = 0 },
|
|
{ .pdiv = 0, .hw_val = 0 },
|
|
};
|
|
|
|
static struct div_nmp pllu_nmp = {
|
|
.divm_shift = 0,
|
|
.divm_width = 5,
|
|
.divn_shift = 8,
|
|
.divn_width = 10,
|
|
.divp_shift = 20,
|
|
.divp_width = 1,
|
|
};
|
|
|
|
static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
|
|
{ 12000000, 480000000, 960, 12, 2, 12 },
|
|
{ 13000000, 480000000, 960, 13, 2, 12 },
|
|
{ 16800000, 480000000, 400, 7, 2, 5 },
|
|
{ 19200000, 480000000, 200, 4, 2, 3 },
|
|
{ 26000000, 480000000, 960, 26, 2, 12 },
|
|
{ 0, 0, 0, 0, 0, 0 },
|
|
};
|
|
|
|
static struct tegra_clk_pll_params pll_u_params = {
|
|
.input_min = 2000000,
|
|
.input_max = 40000000,
|
|
.cf_min = 1000000,
|
|
.cf_max = 6000000,
|
|
.vco_min = 480000000,
|
|
.vco_max = 960000000,
|
|
.base_reg = PLLU_BASE,
|
|
.misc_reg = PLLU_MISC,
|
|
.lock_mask = PLL_BASE_LOCK,
|
|
.lock_enable_bit_idx = PLLDU_MISC_LOCK_ENABLE,
|
|
.lock_delay = 1000,
|
|
.pdiv_tohw = pllu_p,
|
|
.div_nmp = &pllu_nmp,
|
|
.freq_table = pll_u_freq_table,
|
|
.flags = TEGRA_PLLU | TEGRA_PLL_HAS_CPCON | TEGRA_PLL_SET_LFCON |
|
|
TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
|
|
};
|
|
|
|
static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
|
|
/* 1 GHz */
|
|
{ 12000000, 1000000000, 83, 1, 1, 0 }, /* actual: 996.0 MHz */
|
|
{ 13000000, 1000000000, 76, 1, 1, 0 }, /* actual: 988.0 MHz */
|
|
{ 16800000, 1000000000, 59, 1, 1, 0 }, /* actual: 991.2 MHz */
|
|
{ 19200000, 1000000000, 52, 1, 1, 0 }, /* actual: 998.4 MHz */
|
|
{ 26000000, 1000000000, 76, 2, 1, 0 }, /* actual: 988.0 MHz */
|
|
{ 0, 0, 0, 0, 0, 0 },
|
|
};
|
|
|
|
static struct tegra_clk_pll_params pll_x_params = {
|
|
.input_min = 12000000,
|
|
.input_max = 800000000,
|
|
.cf_min = 12000000,
|
|
.cf_max = 19200000, /* s/w policy, h/w capability 50 MHz */
|
|
.vco_min = 700000000,
|
|
.vco_max = 2400000000U,
|
|
.base_reg = PLLX_BASE,
|
|
.misc_reg = PLLX_MISC,
|
|
.lock_mask = PLL_BASE_LOCK,
|
|
.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
|
|
.lock_delay = 300,
|
|
.iddq_reg = PLLX_MISC3,
|
|
.iddq_bit_idx = PLLX_IDDQ_BIT,
|
|
.max_p = PLLXC_SW_MAX_P,
|
|
.dyn_ramp_reg = PLLX_MISC2,
|
|
.stepa_shift = 16,
|
|
.stepb_shift = 24,
|
|
.pdiv_tohw = pllxc_p,
|
|
.div_nmp = &pllxc_nmp,
|
|
.freq_table = pll_x_freq_table,
|
|
.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
|
|
};
|
|
|
|
static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
|
|
/* PLLE special case: use cpcon field to store cml divider value */
|
|
{ 336000000, 100000000, 100, 21, 16, 11 },
|
|
{ 312000000, 100000000, 200, 26, 24, 13 },
|
|
{ 12000000, 100000000, 200, 1, 24, 13 },
|
|
{ 0, 0, 0, 0, 0, 0 },
|
|
};
|
|
|
|
static const struct pdiv_map plle_p[] = {
|
|
{ .pdiv = 1, .hw_val = 0 },
|
|
{ .pdiv = 2, .hw_val = 1 },
|
|
{ .pdiv = 3, .hw_val = 2 },
|
|
{ .pdiv = 4, .hw_val = 3 },
|
|
{ .pdiv = 5, .hw_val = 4 },
|
|
{ .pdiv = 6, .hw_val = 5 },
|
|
{ .pdiv = 8, .hw_val = 6 },
|
|
{ .pdiv = 10, .hw_val = 7 },
|
|
{ .pdiv = 12, .hw_val = 8 },
|
|
{ .pdiv = 16, .hw_val = 9 },
|
|
{ .pdiv = 12, .hw_val = 10 },
|
|
{ .pdiv = 16, .hw_val = 11 },
|
|
{ .pdiv = 20, .hw_val = 12 },
|
|
{ .pdiv = 24, .hw_val = 13 },
|
|
{ .pdiv = 32, .hw_val = 14 },
|
|
{ .pdiv = 0, .hw_val = 0 }
|
|
};
|
|
|
|
static struct div_nmp plle_nmp = {
|
|
.divm_shift = 0,
|
|
.divm_width = 8,
|
|
.divn_shift = 8,
|
|
.divn_width = 8,
|
|
.divp_shift = 24,
|
|
.divp_width = 4,
|
|
};
|
|
|
|
static struct tegra_clk_pll_params pll_e_params = {
|
|
.input_min = 12000000,
|
|
.input_max = 1000000000,
|
|
.cf_min = 12000000,
|
|
.cf_max = 75000000,
|
|
.vco_min = 1600000000,
|
|
.vco_max = 2400000000U,
|
|
.base_reg = PLLE_BASE,
|
|
.misc_reg = PLLE_MISC,
|
|
.aux_reg = PLLE_AUX,
|
|
.lock_mask = PLLE_MISC_LOCK,
|
|
.lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
|
|
.lock_delay = 300,
|
|
.pdiv_tohw = plle_p,
|
|
.div_nmp = &plle_nmp,
|
|
.freq_table = pll_e_freq_table,
|
|
.flags = TEGRA_PLL_FIXED | TEGRA_PLL_HAS_LOCK_ENABLE,
|
|
.fixed_rate = 100000000,
|
|
};
|
|
|
|
static struct div_nmp pllre_nmp = {
|
|
.divm_shift = 0,
|
|
.divm_width = 8,
|
|
.divn_shift = 8,
|
|
.divn_width = 8,
|
|
.divp_shift = 16,
|
|
.divp_width = 4,
|
|
};
|
|
|
|
static struct tegra_clk_pll_params pll_re_vco_params = {
|
|
.input_min = 12000000,
|
|
.input_max = 1000000000,
|
|
.cf_min = 12000000,
|
|
.cf_max = 19200000, /* s/w policy, h/w capability 38 MHz */
|
|
.vco_min = 300000000,
|
|
.vco_max = 600000000,
|
|
.base_reg = PLLRE_BASE,
|
|
.misc_reg = PLLRE_MISC,
|
|
.lock_mask = PLLRE_MISC_LOCK,
|
|
.lock_enable_bit_idx = PLLRE_MISC_LOCK_ENABLE,
|
|
.lock_delay = 300,
|
|
.iddq_reg = PLLRE_MISC,
|
|
.iddq_bit_idx = PLLRE_IDDQ_BIT,
|
|
.div_nmp = &pllre_nmp,
|
|
.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE |
|
|
TEGRA_PLL_LOCK_MISC,
|
|
};
|
|
|
|
/* possible OSC frequencies in Hz */
|
|
static unsigned long tegra114_input_freq[] = {
|
|
[ 0] = 13000000,
|
|
[ 1] = 16800000,
|
|
[ 4] = 19200000,
|
|
[ 5] = 38400000,
|
|
[ 8] = 12000000,
|
|
[ 9] = 48000000,
|
|
[12] = 26000000,
|
|
};
|
|
|
|
#define MASK(x) (BIT(x) - 1)
|
|
|
|
/* peripheral mux definitions */
|
|
|
|
static const char *mux_plld_out0_plld2_out0[] = {
|
|
"pll_d_out0", "pll_d2_out0",
|
|
};
|
|
#define mux_plld_out0_plld2_out0_idx NULL
|
|
|
|
static const char *mux_pllmcp_clkm[] = {
|
|
"pll_m_out0", "pll_c_out0", "pll_p_out0", "clk_m", "pll_m_ud",
|
|
};
|
|
|
|
static const struct clk_div_table pll_re_div_table[] = {
|
|
{ .val = 0, .div = 1 },
|
|
{ .val = 1, .div = 2 },
|
|
{ .val = 2, .div = 3 },
|
|
{ .val = 3, .div = 4 },
|
|
{ .val = 4, .div = 5 },
|
|
{ .val = 5, .div = 6 },
|
|
{ .val = 0, .div = 0 },
|
|
};
|
|
|
|
static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = {
|
|
[tegra_clk_rtc] = { .dt_id = TEGRA114_CLK_RTC, .present = true },
|
|
[tegra_clk_timer] = { .dt_id = TEGRA114_CLK_TIMER, .present = true },
|
|
[tegra_clk_uarta] = { .dt_id = TEGRA114_CLK_UARTA, .present = true },
|
|
[tegra_clk_uartd] = { .dt_id = TEGRA114_CLK_UARTD, .present = true },
|
|
[tegra_clk_sdmmc2_8] = { .dt_id = TEGRA114_CLK_SDMMC2, .present = true },
|
|
[tegra_clk_i2s1] = { .dt_id = TEGRA114_CLK_I2S1, .present = true },
|
|
[tegra_clk_i2c1] = { .dt_id = TEGRA114_CLK_I2C1, .present = true },
|
|
[tegra_clk_ndflash] = { .dt_id = TEGRA114_CLK_NDFLASH, .present = true },
|
|
[tegra_clk_sdmmc1_8] = { .dt_id = TEGRA114_CLK_SDMMC1, .present = true },
|
|
[tegra_clk_sdmmc4_8] = { .dt_id = TEGRA114_CLK_SDMMC4, .present = true },
|
|
[tegra_clk_pwm] = { .dt_id = TEGRA114_CLK_PWM, .present = true },
|
|
[tegra_clk_i2s0] = { .dt_id = TEGRA114_CLK_I2S0, .present = true },
|
|
[tegra_clk_i2s2] = { .dt_id = TEGRA114_CLK_I2S2, .present = true },
|
|
[tegra_clk_epp_8] = { .dt_id = TEGRA114_CLK_EPP, .present = true },
|
|
[tegra_clk_gr2d_8] = { .dt_id = TEGRA114_CLK_GR2D, .present = true },
|
|
[tegra_clk_usbd] = { .dt_id = TEGRA114_CLK_USBD, .present = true },
|
|
[tegra_clk_isp] = { .dt_id = TEGRA114_CLK_ISP, .present = true },
|
|
[tegra_clk_gr3d_8] = { .dt_id = TEGRA114_CLK_GR3D, .present = true },
|
|
[tegra_clk_disp2] = { .dt_id = TEGRA114_CLK_DISP2, .present = true },
|
|
[tegra_clk_disp1] = { .dt_id = TEGRA114_CLK_DISP1, .present = true },
|
|
[tegra_clk_host1x_8] = { .dt_id = TEGRA114_CLK_HOST1X, .present = true },
|
|
[tegra_clk_vcp] = { .dt_id = TEGRA114_CLK_VCP, .present = true },
|
|
[tegra_clk_apbdma] = { .dt_id = TEGRA114_CLK_APBDMA, .present = true },
|
|
[tegra_clk_kbc] = { .dt_id = TEGRA114_CLK_KBC, .present = true },
|
|
[tegra_clk_kfuse] = { .dt_id = TEGRA114_CLK_KFUSE, .present = true },
|
|
[tegra_clk_sbc1_8] = { .dt_id = TEGRA114_CLK_SBC1, .present = true },
|
|
[tegra_clk_nor] = { .dt_id = TEGRA114_CLK_NOR, .present = true },
|
|
[tegra_clk_sbc2_8] = { .dt_id = TEGRA114_CLK_SBC2, .present = true },
|
|
[tegra_clk_sbc3_8] = { .dt_id = TEGRA114_CLK_SBC3, .present = true },
|
|
[tegra_clk_i2c5] = { .dt_id = TEGRA114_CLK_I2C5, .present = true },
|
|
[tegra_clk_mipi] = { .dt_id = TEGRA114_CLK_MIPI, .present = true },
|
|
[tegra_clk_hdmi] = { .dt_id = TEGRA114_CLK_HDMI, .present = true },
|
|
[tegra_clk_csi] = { .dt_id = TEGRA114_CLK_CSI, .present = true },
|
|
[tegra_clk_i2c2] = { .dt_id = TEGRA114_CLK_I2C2, .present = true },
|
|
[tegra_clk_uartc] = { .dt_id = TEGRA114_CLK_UARTC, .present = true },
|
|
[tegra_clk_emc] = { .dt_id = TEGRA114_CLK_EMC, .present = true },
|
|
[tegra_clk_usb2] = { .dt_id = TEGRA114_CLK_USB2, .present = true },
|
|
[tegra_clk_usb3] = { .dt_id = TEGRA114_CLK_USB3, .present = true },
|
|
[tegra_clk_vde_8] = { .dt_id = TEGRA114_CLK_VDE, .present = true },
|
|
[tegra_clk_bsea] = { .dt_id = TEGRA114_CLK_BSEA, .present = true },
|
|
[tegra_clk_bsev] = { .dt_id = TEGRA114_CLK_BSEV, .present = true },
|
|
[tegra_clk_i2c3] = { .dt_id = TEGRA114_CLK_I2C3, .present = true },
|
|
[tegra_clk_sbc4_8] = { .dt_id = TEGRA114_CLK_SBC4, .present = true },
|
|
[tegra_clk_sdmmc3_8] = { .dt_id = TEGRA114_CLK_SDMMC3, .present = true },
|
|
[tegra_clk_owr] = { .dt_id = TEGRA114_CLK_OWR, .present = true },
|
|
[tegra_clk_csite] = { .dt_id = TEGRA114_CLK_CSITE, .present = true },
|
|
[tegra_clk_la] = { .dt_id = TEGRA114_CLK_LA, .present = true },
|
|
[tegra_clk_trace] = { .dt_id = TEGRA114_CLK_TRACE, .present = true },
|
|
[tegra_clk_soc_therm] = { .dt_id = TEGRA114_CLK_SOC_THERM, .present = true },
|
|
[tegra_clk_dtv] = { .dt_id = TEGRA114_CLK_DTV, .present = true },
|
|
[tegra_clk_ndspeed] = { .dt_id = TEGRA114_CLK_NDSPEED, .present = true },
|
|
[tegra_clk_i2cslow] = { .dt_id = TEGRA114_CLK_I2CSLOW, .present = true },
|
|
[tegra_clk_tsec] = { .dt_id = TEGRA114_CLK_TSEC, .present = true },
|
|
[tegra_clk_xusb_host] = { .dt_id = TEGRA114_CLK_XUSB_HOST, .present = true },
|
|
[tegra_clk_msenc] = { .dt_id = TEGRA114_CLK_MSENC, .present = true },
|
|
[tegra_clk_csus] = { .dt_id = TEGRA114_CLK_CSUS, .present = true },
|
|
[tegra_clk_mselect] = { .dt_id = TEGRA114_CLK_MSELECT, .present = true },
|
|
[tegra_clk_tsensor] = { .dt_id = TEGRA114_CLK_TSENSOR, .present = true },
|
|
[tegra_clk_i2s3] = { .dt_id = TEGRA114_CLK_I2S3, .present = true },
|
|
[tegra_clk_i2s4] = { .dt_id = TEGRA114_CLK_I2S4, .present = true },
|
|
[tegra_clk_i2c4] = { .dt_id = TEGRA114_CLK_I2C4, .present = true },
|
|
[tegra_clk_sbc5_8] = { .dt_id = TEGRA114_CLK_SBC5, .present = true },
|
|
[tegra_clk_sbc6_8] = { .dt_id = TEGRA114_CLK_SBC6, .present = true },
|
|
[tegra_clk_d_audio] = { .dt_id = TEGRA114_CLK_D_AUDIO, .present = true },
|
|
[tegra_clk_apbif] = { .dt_id = TEGRA114_CLK_APBIF, .present = true },
|
|
[tegra_clk_dam0] = { .dt_id = TEGRA114_CLK_DAM0, .present = true },
|
|
[tegra_clk_dam1] = { .dt_id = TEGRA114_CLK_DAM1, .present = true },
|
|
[tegra_clk_dam2] = { .dt_id = TEGRA114_CLK_DAM2, .present = true },
|
|
[tegra_clk_hda2codec_2x] = { .dt_id = TEGRA114_CLK_HDA2CODEC_2X, .present = true },
|
|
[tegra_clk_audio0_2x] = { .dt_id = TEGRA114_CLK_AUDIO0_2X, .present = true },
|
|
[tegra_clk_audio1_2x] = { .dt_id = TEGRA114_CLK_AUDIO1_2X, .present = true },
|
|
[tegra_clk_audio2_2x] = { .dt_id = TEGRA114_CLK_AUDIO2_2X, .present = true },
|
|
[tegra_clk_audio3_2x] = { .dt_id = TEGRA114_CLK_AUDIO3_2X, .present = true },
|
|
[tegra_clk_audio4_2x] = { .dt_id = TEGRA114_CLK_AUDIO4_2X, .present = true },
|
|
[tegra_clk_spdif_2x] = { .dt_id = TEGRA114_CLK_SPDIF_2X, .present = true },
|
|
[tegra_clk_actmon] = { .dt_id = TEGRA114_CLK_ACTMON, .present = true },
|
|
[tegra_clk_extern1] = { .dt_id = TEGRA114_CLK_EXTERN1, .present = true },
|
|
[tegra_clk_extern2] = { .dt_id = TEGRA114_CLK_EXTERN2, .present = true },
|
|
[tegra_clk_extern3] = { .dt_id = TEGRA114_CLK_EXTERN3, .present = true },
|
|
[tegra_clk_hda] = { .dt_id = TEGRA114_CLK_HDA, .present = true },
|
|
[tegra_clk_se] = { .dt_id = TEGRA114_CLK_SE, .present = true },
|
|
[tegra_clk_hda2hdmi] = { .dt_id = TEGRA114_CLK_HDA2HDMI, .present = true },
|
|
[tegra_clk_cilab] = { .dt_id = TEGRA114_CLK_CILAB, .present = true },
|
|
[tegra_clk_cilcd] = { .dt_id = TEGRA114_CLK_CILCD, .present = true },
|
|
[tegra_clk_cile] = { .dt_id = TEGRA114_CLK_CILE, .present = true },
|
|
[tegra_clk_dsialp] = { .dt_id = TEGRA114_CLK_DSIALP, .present = true },
|
|
[tegra_clk_dsiblp] = { .dt_id = TEGRA114_CLK_DSIBLP, .present = true },
|
|
[tegra_clk_dds] = { .dt_id = TEGRA114_CLK_DDS, .present = true },
|
|
[tegra_clk_dp2] = { .dt_id = TEGRA114_CLK_DP2, .present = true },
|
|
[tegra_clk_amx] = { .dt_id = TEGRA114_CLK_AMX, .present = true },
|
|
[tegra_clk_adx] = { .dt_id = TEGRA114_CLK_ADX, .present = true },
|
|
[tegra_clk_xusb_ss] = { .dt_id = TEGRA114_CLK_XUSB_SS, .present = true },
|
|
[tegra_clk_uartb] = { .dt_id = TEGRA114_CLK_UARTB, .present = true },
|
|
[tegra_clk_vfir] = { .dt_id = TEGRA114_CLK_VFIR, .present = true },
|
|
[tegra_clk_spdif_in] = { .dt_id = TEGRA114_CLK_SPDIF_IN, .present = true },
|
|
[tegra_clk_spdif_out] = { .dt_id = TEGRA114_CLK_SPDIF_OUT, .present = true },
|
|
[tegra_clk_vi_8] = { .dt_id = TEGRA114_CLK_VI, .present = true },
|
|
[tegra_clk_fuse] = { .dt_id = TEGRA114_CLK_FUSE, .present = true },
|
|
[tegra_clk_fuse_burn] = { .dt_id = TEGRA114_CLK_FUSE_BURN, .present = true },
|
|
[tegra_clk_clk_32k] = { .dt_id = TEGRA114_CLK_CLK_32K, .present = true },
|
|
[tegra_clk_clk_m] = { .dt_id = TEGRA114_CLK_CLK_M, .present = true },
|
|
[tegra_clk_osc] = { .dt_id = TEGRA114_CLK_OSC, .present = true },
|
|
[tegra_clk_osc_div2] = { .dt_id = TEGRA114_CLK_OSC_DIV2, .present = true },
|
|
[tegra_clk_osc_div4] = { .dt_id = TEGRA114_CLK_OSC_DIV4, .present = true },
|
|
[tegra_clk_pll_ref] = { .dt_id = TEGRA114_CLK_PLL_REF, .present = true },
|
|
[tegra_clk_pll_c] = { .dt_id = TEGRA114_CLK_PLL_C, .present = true },
|
|
[tegra_clk_pll_c_out1] = { .dt_id = TEGRA114_CLK_PLL_C_OUT1, .present = true },
|
|
[tegra_clk_pll_c2] = { .dt_id = TEGRA114_CLK_PLL_C2, .present = true },
|
|
[tegra_clk_pll_c3] = { .dt_id = TEGRA114_CLK_PLL_C3, .present = true },
|
|
[tegra_clk_pll_m] = { .dt_id = TEGRA114_CLK_PLL_M, .present = true },
|
|
[tegra_clk_pll_m_out1] = { .dt_id = TEGRA114_CLK_PLL_M_OUT1, .present = true },
|
|
[tegra_clk_pll_p] = { .dt_id = TEGRA114_CLK_PLL_P, .present = true },
|
|
[tegra_clk_pll_p_out1] = { .dt_id = TEGRA114_CLK_PLL_P_OUT1, .present = true },
|
|
[tegra_clk_pll_p_out2_int] = { .dt_id = TEGRA114_CLK_PLL_P_OUT2, .present = true },
|
|
[tegra_clk_pll_p_out3] = { .dt_id = TEGRA114_CLK_PLL_P_OUT3, .present = true },
|
|
[tegra_clk_pll_p_out4] = { .dt_id = TEGRA114_CLK_PLL_P_OUT4, .present = true },
|
|
[tegra_clk_pll_a] = { .dt_id = TEGRA114_CLK_PLL_A, .present = true },
|
|
[tegra_clk_pll_a_out0] = { .dt_id = TEGRA114_CLK_PLL_A_OUT0, .present = true },
|
|
[tegra_clk_pll_d] = { .dt_id = TEGRA114_CLK_PLL_D, .present = true },
|
|
[tegra_clk_pll_d_out0] = { .dt_id = TEGRA114_CLK_PLL_D_OUT0, .present = true },
|
|
[tegra_clk_pll_d2] = { .dt_id = TEGRA114_CLK_PLL_D2, .present = true },
|
|
[tegra_clk_pll_d2_out0] = { .dt_id = TEGRA114_CLK_PLL_D2_OUT0, .present = true },
|
|
[tegra_clk_pll_u] = { .dt_id = TEGRA114_CLK_PLL_U, .present = true },
|
|
[tegra_clk_pll_u_480m] = { .dt_id = TEGRA114_CLK_PLL_U_480M, .present = true },
|
|
[tegra_clk_pll_u_60m] = { .dt_id = TEGRA114_CLK_PLL_U_60M, .present = true },
|
|
[tegra_clk_pll_u_48m] = { .dt_id = TEGRA114_CLK_PLL_U_48M, .present = true },
|
|
[tegra_clk_pll_u_12m] = { .dt_id = TEGRA114_CLK_PLL_U_12M, .present = true },
|
|
[tegra_clk_pll_x] = { .dt_id = TEGRA114_CLK_PLL_X, .present = true },
|
|
[tegra_clk_pll_x_out0] = { .dt_id = TEGRA114_CLK_PLL_X_OUT0, .present = true },
|
|
[tegra_clk_pll_re_vco] = { .dt_id = TEGRA114_CLK_PLL_RE_VCO, .present = true },
|
|
[tegra_clk_pll_re_out] = { .dt_id = TEGRA114_CLK_PLL_RE_OUT, .present = true },
|
|
[tegra_clk_pll_e_out0] = { .dt_id = TEGRA114_CLK_PLL_E_OUT0, .present = true },
|
|
[tegra_clk_spdif_in_sync] = { .dt_id = TEGRA114_CLK_SPDIF_IN_SYNC, .present = true },
|
|
[tegra_clk_i2s0_sync] = { .dt_id = TEGRA114_CLK_I2S0_SYNC, .present = true },
|
|
[tegra_clk_i2s1_sync] = { .dt_id = TEGRA114_CLK_I2S1_SYNC, .present = true },
|
|
[tegra_clk_i2s2_sync] = { .dt_id = TEGRA114_CLK_I2S2_SYNC, .present = true },
|
|
[tegra_clk_i2s3_sync] = { .dt_id = TEGRA114_CLK_I2S3_SYNC, .present = true },
|
|
[tegra_clk_i2s4_sync] = { .dt_id = TEGRA114_CLK_I2S4_SYNC, .present = true },
|
|
[tegra_clk_vimclk_sync] = { .dt_id = TEGRA114_CLK_VIMCLK_SYNC, .present = true },
|
|
[tegra_clk_audio0] = { .dt_id = TEGRA114_CLK_AUDIO0, .present = true },
|
|
[tegra_clk_audio1] = { .dt_id = TEGRA114_CLK_AUDIO1, .present = true },
|
|
[tegra_clk_audio2] = { .dt_id = TEGRA114_CLK_AUDIO2, .present = true },
|
|
[tegra_clk_audio3] = { .dt_id = TEGRA114_CLK_AUDIO3, .present = true },
|
|
[tegra_clk_audio4] = { .dt_id = TEGRA114_CLK_AUDIO4, .present = true },
|
|
[tegra_clk_spdif] = { .dt_id = TEGRA114_CLK_SPDIF, .present = true },
|
|
[tegra_clk_xusb_host_src] = { .dt_id = TEGRA114_CLK_XUSB_HOST_SRC, .present = true },
|
|
[tegra_clk_xusb_falcon_src] = { .dt_id = TEGRA114_CLK_XUSB_FALCON_SRC, .present = true },
|
|
[tegra_clk_xusb_fs_src] = { .dt_id = TEGRA114_CLK_XUSB_FS_SRC, .present = true },
|
|
[tegra_clk_xusb_ss_src] = { .dt_id = TEGRA114_CLK_XUSB_SS_SRC, .present = true },
|
|
[tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA114_CLK_XUSB_SS_DIV2, .present = true},
|
|
[tegra_clk_xusb_dev_src] = { .dt_id = TEGRA114_CLK_XUSB_DEV_SRC, .present = true },
|
|
[tegra_clk_xusb_dev] = { .dt_id = TEGRA114_CLK_XUSB_DEV, .present = true },
|
|
[tegra_clk_xusb_hs_src] = { .dt_id = TEGRA114_CLK_XUSB_HS_SRC, .present = true },
|
|
[tegra_clk_sclk] = { .dt_id = TEGRA114_CLK_SCLK, .present = true },
|
|
[tegra_clk_hclk] = { .dt_id = TEGRA114_CLK_HCLK, .present = true },
|
|
[tegra_clk_pclk] = { .dt_id = TEGRA114_CLK_PCLK, .present = true },
|
|
[tegra_clk_cclk_g] = { .dt_id = TEGRA114_CLK_CCLK_G, .present = true },
|
|
[tegra_clk_cclk_lp] = { .dt_id = TEGRA114_CLK_CCLK_LP, .present = true },
|
|
[tegra_clk_dfll_ref] = { .dt_id = TEGRA114_CLK_DFLL_REF, .present = true },
|
|
[tegra_clk_dfll_soc] = { .dt_id = TEGRA114_CLK_DFLL_SOC, .present = true },
|
|
[tegra_clk_audio0_mux] = { .dt_id = TEGRA114_CLK_AUDIO0_MUX, .present = true },
|
|
[tegra_clk_audio1_mux] = { .dt_id = TEGRA114_CLK_AUDIO1_MUX, .present = true },
|
|
[tegra_clk_audio2_mux] = { .dt_id = TEGRA114_CLK_AUDIO2_MUX, .present = true },
|
|
[tegra_clk_audio3_mux] = { .dt_id = TEGRA114_CLK_AUDIO3_MUX, .present = true },
|
|
[tegra_clk_audio4_mux] = { .dt_id = TEGRA114_CLK_AUDIO4_MUX, .present = true },
|
|
[tegra_clk_spdif_mux] = { .dt_id = TEGRA114_CLK_SPDIF_MUX, .present = true },
|
|
[tegra_clk_dsia_mux] = { .dt_id = TEGRA114_CLK_DSIA_MUX, .present = true },
|
|
[tegra_clk_dsib_mux] = { .dt_id = TEGRA114_CLK_DSIB_MUX, .present = true },
|
|
[tegra_clk_cec] = { .dt_id = TEGRA114_CLK_CEC, .present = true },
|
|
};
|
|
|
|
static struct tegra_devclk devclks[] __initdata = {
|
|
{ .con_id = "clk_m", .dt_id = TEGRA114_CLK_CLK_M },
|
|
{ .con_id = "pll_ref", .dt_id = TEGRA114_CLK_PLL_REF },
|
|
{ .con_id = "clk_32k", .dt_id = TEGRA114_CLK_CLK_32K },
|
|
{ .con_id = "osc", .dt_id = TEGRA114_CLK_OSC },
|
|
{ .con_id = "osc_div2", .dt_id = TEGRA114_CLK_OSC_DIV2 },
|
|
{ .con_id = "osc_div4", .dt_id = TEGRA114_CLK_OSC_DIV4 },
|
|
{ .con_id = "pll_c", .dt_id = TEGRA114_CLK_PLL_C },
|
|
{ .con_id = "pll_c_out1", .dt_id = TEGRA114_CLK_PLL_C_OUT1 },
|
|
{ .con_id = "pll_c2", .dt_id = TEGRA114_CLK_PLL_C2 },
|
|
{ .con_id = "pll_c3", .dt_id = TEGRA114_CLK_PLL_C3 },
|
|
{ .con_id = "pll_p", .dt_id = TEGRA114_CLK_PLL_P },
|
|
{ .con_id = "pll_p_out1", .dt_id = TEGRA114_CLK_PLL_P_OUT1 },
|
|
{ .con_id = "pll_p_out2", .dt_id = TEGRA114_CLK_PLL_P_OUT2 },
|
|
{ .con_id = "pll_p_out3", .dt_id = TEGRA114_CLK_PLL_P_OUT3 },
|
|
{ .con_id = "pll_p_out4", .dt_id = TEGRA114_CLK_PLL_P_OUT4 },
|
|
{ .con_id = "pll_m", .dt_id = TEGRA114_CLK_PLL_M },
|
|
{ .con_id = "pll_m_out1", .dt_id = TEGRA114_CLK_PLL_M_OUT1 },
|
|
{ .con_id = "pll_x", .dt_id = TEGRA114_CLK_PLL_X },
|
|
{ .con_id = "pll_x_out0", .dt_id = TEGRA114_CLK_PLL_X_OUT0 },
|
|
{ .con_id = "pll_u", .dt_id = TEGRA114_CLK_PLL_U },
|
|
{ .con_id = "pll_u_480M", .dt_id = TEGRA114_CLK_PLL_U_480M },
|
|
{ .con_id = "pll_u_60M", .dt_id = TEGRA114_CLK_PLL_U_60M },
|
|
{ .con_id = "pll_u_48M", .dt_id = TEGRA114_CLK_PLL_U_48M },
|
|
{ .con_id = "pll_u_12M", .dt_id = TEGRA114_CLK_PLL_U_12M },
|
|
{ .con_id = "pll_d", .dt_id = TEGRA114_CLK_PLL_D },
|
|
{ .con_id = "pll_d_out0", .dt_id = TEGRA114_CLK_PLL_D_OUT0 },
|
|
{ .con_id = "pll_d2", .dt_id = TEGRA114_CLK_PLL_D2 },
|
|
{ .con_id = "pll_d2_out0", .dt_id = TEGRA114_CLK_PLL_D2_OUT0 },
|
|
{ .con_id = "pll_a", .dt_id = TEGRA114_CLK_PLL_A },
|
|
{ .con_id = "pll_a_out0", .dt_id = TEGRA114_CLK_PLL_A_OUT0 },
|
|
{ .con_id = "pll_re_vco", .dt_id = TEGRA114_CLK_PLL_RE_VCO },
|
|
{ .con_id = "pll_re_out", .dt_id = TEGRA114_CLK_PLL_RE_OUT },
|
|
{ .con_id = "pll_e_out0", .dt_id = TEGRA114_CLK_PLL_E_OUT0 },
|
|
{ .con_id = "spdif_in_sync", .dt_id = TEGRA114_CLK_SPDIF_IN_SYNC },
|
|
{ .con_id = "i2s0_sync", .dt_id = TEGRA114_CLK_I2S0_SYNC },
|
|
{ .con_id = "i2s1_sync", .dt_id = TEGRA114_CLK_I2S1_SYNC },
|
|
{ .con_id = "i2s2_sync", .dt_id = TEGRA114_CLK_I2S2_SYNC },
|
|
{ .con_id = "i2s3_sync", .dt_id = TEGRA114_CLK_I2S3_SYNC },
|
|
{ .con_id = "i2s4_sync", .dt_id = TEGRA114_CLK_I2S4_SYNC },
|
|
{ .con_id = "vimclk_sync", .dt_id = TEGRA114_CLK_VIMCLK_SYNC },
|
|
{ .con_id = "audio0", .dt_id = TEGRA114_CLK_AUDIO0 },
|
|
{ .con_id = "audio1", .dt_id = TEGRA114_CLK_AUDIO1 },
|
|
{ .con_id = "audio2", .dt_id = TEGRA114_CLK_AUDIO2 },
|
|
{ .con_id = "audio3", .dt_id = TEGRA114_CLK_AUDIO3 },
|
|
{ .con_id = "audio4", .dt_id = TEGRA114_CLK_AUDIO4 },
|
|
{ .con_id = "spdif", .dt_id = TEGRA114_CLK_SPDIF },
|
|
{ .con_id = "audio0_2x", .dt_id = TEGRA114_CLK_AUDIO0_2X },
|
|
{ .con_id = "audio1_2x", .dt_id = TEGRA114_CLK_AUDIO1_2X },
|
|
{ .con_id = "audio2_2x", .dt_id = TEGRA114_CLK_AUDIO2_2X },
|
|
{ .con_id = "audio3_2x", .dt_id = TEGRA114_CLK_AUDIO3_2X },
|
|
{ .con_id = "audio4_2x", .dt_id = TEGRA114_CLK_AUDIO4_2X },
|
|
{ .con_id = "spdif_2x", .dt_id = TEGRA114_CLK_SPDIF_2X },
|
|
{ .con_id = "extern1", .dt_id = TEGRA114_CLK_EXTERN1 },
|
|
{ .con_id = "extern2", .dt_id = TEGRA114_CLK_EXTERN2 },
|
|
{ .con_id = "extern3", .dt_id = TEGRA114_CLK_EXTERN3 },
|
|
{ .con_id = "cclk_g", .dt_id = TEGRA114_CLK_CCLK_G },
|
|
{ .con_id = "cclk_lp", .dt_id = TEGRA114_CLK_CCLK_LP },
|
|
{ .con_id = "sclk", .dt_id = TEGRA114_CLK_SCLK },
|
|
{ .con_id = "hclk", .dt_id = TEGRA114_CLK_HCLK },
|
|
{ .con_id = "pclk", .dt_id = TEGRA114_CLK_PCLK },
|
|
{ .con_id = "fuse", .dt_id = TEGRA114_CLK_FUSE },
|
|
{ .dev_id = "rtc-tegra", .dt_id = TEGRA114_CLK_RTC },
|
|
{ .dev_id = "timer", .dt_id = TEGRA114_CLK_TIMER },
|
|
};
|
|
|
|
static const char *mux_pllm_pllc2_c_c3_pllp_plla[] = {
|
|
"pll_m", "pll_c2", "pll_c", "pll_c3", "pll_p", "pll_a_out0"
|
|
};
|
|
static u32 mux_pllm_pllc2_c_c3_pllp_plla_idx[] = {
|
|
[0] = 0, [1] = 1, [2] = 2, [3] = 3, [4] = 4, [5] = 6,
|
|
};
|
|
|
|
static struct tegra_audio_clk_info tegra114_audio_plls[] = {
|
|
{ "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_p_out1" },
|
|
};
|
|
|
|
static struct clk **clks;
|
|
|
|
static unsigned long osc_freq;
|
|
static unsigned long pll_ref_freq;
|
|
|
|
static void __init tegra114_fixed_clk_init(void __iomem *clk_base)
|
|
{
|
|
struct clk *clk;
|
|
|
|
/* clk_32k */
|
|
clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, 0, 32768);
|
|
clks[TEGRA114_CLK_CLK_32K] = clk;
|
|
}
|
|
|
|
static void __init tegra114_pll_init(void __iomem *clk_base,
|
|
void __iomem *pmc)
|
|
{
|
|
struct clk *clk;
|
|
|
|
/* PLLC */
|
|
clk = tegra_clk_register_pllxc("pll_c", "pll_ref", clk_base,
|
|
pmc, 0, &pll_c_params, NULL);
|
|
clks[TEGRA114_CLK_PLL_C] = clk;
|
|
|
|
/* PLLC_OUT1 */
|
|
clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
|
|
clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
|
|
8, 8, 1, NULL);
|
|
clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
|
|
clk_base + PLLC_OUT, 1, 0,
|
|
CLK_SET_RATE_PARENT, 0, NULL);
|
|
clks[TEGRA114_CLK_PLL_C_OUT1] = clk;
|
|
|
|
/* PLLC2 */
|
|
clk = tegra_clk_register_pllc("pll_c2", "pll_ref", clk_base, pmc, 0,
|
|
&pll_c2_params, NULL);
|
|
clks[TEGRA114_CLK_PLL_C2] = clk;
|
|
|
|
/* PLLC3 */
|
|
clk = tegra_clk_register_pllc("pll_c3", "pll_ref", clk_base, pmc, 0,
|
|
&pll_c3_params, NULL);
|
|
clks[TEGRA114_CLK_PLL_C3] = clk;
|
|
|
|
/* PLLM */
|
|
clk = tegra_clk_register_pllm("pll_m", "pll_ref", clk_base, pmc,
|
|
CLK_SET_RATE_GATE, &pll_m_params, NULL);
|
|
clks[TEGRA114_CLK_PLL_M] = clk;
|
|
|
|
/* PLLM_OUT1 */
|
|
clk = tegra_clk_register_divider("pll_m_out1_div", "pll_m",
|
|
clk_base + PLLM_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
|
|
8, 8, 1, NULL);
|
|
clk = tegra_clk_register_pll_out("pll_m_out1", "pll_m_out1_div",
|
|
clk_base + PLLM_OUT, 1, 0, CLK_IGNORE_UNUSED |
|
|
CLK_SET_RATE_PARENT, 0, NULL);
|
|
clks[TEGRA114_CLK_PLL_M_OUT1] = clk;
|
|
|
|
/* PLLM_UD */
|
|
clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
|
|
CLK_SET_RATE_PARENT, 1, 1);
|
|
|
|
/* PLLU */
|
|
clk = tegra_clk_register_pllu_tegra114("pll_u", "pll_ref", clk_base, 0,
|
|
&pll_u_params, &pll_u_lock);
|
|
clks[TEGRA114_CLK_PLL_U] = clk;
|
|
|
|
/* PLLU_480M */
|
|
clk = clk_register_gate(NULL, "pll_u_480M", "pll_u",
|
|
CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
|
|
22, 0, &pll_u_lock);
|
|
clks[TEGRA114_CLK_PLL_U_480M] = clk;
|
|
|
|
/* PLLU_60M */
|
|
clk = clk_register_fixed_factor(NULL, "pll_u_60M", "pll_u",
|
|
CLK_SET_RATE_PARENT, 1, 8);
|
|
clks[TEGRA114_CLK_PLL_U_60M] = clk;
|
|
|
|
/* PLLU_48M */
|
|
clk = clk_register_fixed_factor(NULL, "pll_u_48M", "pll_u",
|
|
CLK_SET_RATE_PARENT, 1, 10);
|
|
clks[TEGRA114_CLK_PLL_U_48M] = clk;
|
|
|
|
/* PLLU_12M */
|
|
clk = clk_register_fixed_factor(NULL, "pll_u_12M", "pll_u",
|
|
CLK_SET_RATE_PARENT, 1, 40);
|
|
clks[TEGRA114_CLK_PLL_U_12M] = clk;
|
|
|
|
/* PLLD */
|
|
clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
|
|
&pll_d_params, &pll_d_lock);
|
|
clks[TEGRA114_CLK_PLL_D] = clk;
|
|
|
|
/* PLLD_OUT0 */
|
|
clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
|
|
CLK_SET_RATE_PARENT, 1, 2);
|
|
clks[TEGRA114_CLK_PLL_D_OUT0] = clk;
|
|
|
|
/* PLLD2 */
|
|
clk = tegra_clk_register_pll("pll_d2", "pll_ref", clk_base, pmc, 0,
|
|
&pll_d2_params, &pll_d2_lock);
|
|
clks[TEGRA114_CLK_PLL_D2] = clk;
|
|
|
|
/* PLLD2_OUT0 */
|
|
clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
|
|
CLK_SET_RATE_PARENT, 1, 2);
|
|
clks[TEGRA114_CLK_PLL_D2_OUT0] = clk;
|
|
|
|
/* PLLRE */
|
|
clk = tegra_clk_register_pllre("pll_re_vco", "pll_ref", clk_base, pmc,
|
|
0, &pll_re_vco_params, &pll_re_lock, pll_ref_freq);
|
|
clks[TEGRA114_CLK_PLL_RE_VCO] = clk;
|
|
|
|
clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
|
|
clk_base + PLLRE_BASE, 16, 4, 0,
|
|
pll_re_div_table, &pll_re_lock);
|
|
clks[TEGRA114_CLK_PLL_RE_OUT] = clk;
|
|
|
|
/* PLLE */
|
|
clk = tegra_clk_register_plle_tegra114("pll_e_out0", "pll_ref",
|
|
clk_base, 0, &pll_e_params, NULL);
|
|
clks[TEGRA114_CLK_PLL_E_OUT0] = clk;
|
|
}
|
|
|
|
#define CLK_SOURCE_VI_SENSOR 0x1a8
|
|
|
|
static struct tegra_periph_init_data tegra_periph_clk_list[] = {
|
|
MUX8("vi_sensor", mux_pllm_pllc2_c_c3_pllp_plla, CLK_SOURCE_VI_SENSOR, 20, TEGRA_PERIPH_NO_RESET, TEGRA114_CLK_VI_SENSOR),
|
|
};
|
|
|
|
static __init void tegra114_periph_clk_init(void __iomem *clk_base,
|
|
void __iomem *pmc_base)
|
|
{
|
|
struct clk *clk;
|
|
struct tegra_periph_init_data *data;
|
|
unsigned int i;
|
|
|
|
/* xusb_ss_div2 */
|
|
clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
|
|
1, 2);
|
|
clks[TEGRA114_CLK_XUSB_SS_DIV2] = clk;
|
|
|
|
/* dsia mux */
|
|
clk = clk_register_mux(NULL, "dsia_mux", mux_plld_out0_plld2_out0,
|
|
ARRAY_SIZE(mux_plld_out0_plld2_out0),
|
|
CLK_SET_RATE_NO_REPARENT,
|
|
clk_base + PLLD_BASE, 25, 1, 0, &pll_d_lock);
|
|
clks[TEGRA114_CLK_DSIA_MUX] = clk;
|
|
|
|
/* dsib mux */
|
|
clk = clk_register_mux(NULL, "dsib_mux", mux_plld_out0_plld2_out0,
|
|
ARRAY_SIZE(mux_plld_out0_plld2_out0),
|
|
CLK_SET_RATE_NO_REPARENT,
|
|
clk_base + PLLD2_BASE, 25, 1, 0, &pll_d2_lock);
|
|
clks[TEGRA114_CLK_DSIB_MUX] = clk;
|
|
|
|
clk = tegra_clk_register_periph_gate("dsia", "dsia_mux", 0, clk_base,
|
|
0, 48, periph_clk_enb_refcnt);
|
|
clks[TEGRA114_CLK_DSIA] = clk;
|
|
|
|
clk = tegra_clk_register_periph_gate("dsib", "dsib_mux", 0, clk_base,
|
|
0, 82, periph_clk_enb_refcnt);
|
|
clks[TEGRA114_CLK_DSIB] = clk;
|
|
|
|
/* emc mux */
|
|
clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
|
|
ARRAY_SIZE(mux_pllmcp_clkm),
|
|
CLK_SET_RATE_NO_REPARENT,
|
|
clk_base + CLK_SOURCE_EMC,
|
|
29, 3, 0, &emc_lock);
|
|
|
|
clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC,
|
|
&emc_lock);
|
|
clks[TEGRA114_CLK_MC] = clk;
|
|
|
|
clk = tegra_clk_register_periph_gate("mipi-cal", "clk_m", 0, clk_base,
|
|
CLK_SET_RATE_PARENT, 56,
|
|
periph_clk_enb_refcnt);
|
|
clks[TEGRA114_CLK_MIPI_CAL] = clk;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(tegra_periph_clk_list); i++) {
|
|
data = &tegra_periph_clk_list[i];
|
|
clk = tegra_clk_register_periph_data(clk_base, data);
|
|
clks[data->clk_id] = clk;
|
|
}
|
|
|
|
tegra_periph_clk_init(clk_base, pmc_base, tegra114_clks,
|
|
&pll_p_params);
|
|
}
|
|
|
|
/* Tegra114 CPU clock and reset control functions */
|
|
static void tegra114_wait_cpu_in_reset(u32 cpu)
|
|
{
|
|
unsigned int reg;
|
|
|
|
do {
|
|
reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
|
|
cpu_relax();
|
|
} while (!(reg & (1 << cpu))); /* check CPU been reset or not */
|
|
}
|
|
|
|
static void tegra114_disable_cpu_clock(u32 cpu)
|
|
{
|
|
/* flow controller would take care in the power sequence. */
|
|
}
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
static void tegra114_cpu_clock_suspend(void)
|
|
{
|
|
/* switch coresite to clk_m, save off original source */
|
|
tegra114_cpu_clk_sctx.clk_csite_src =
|
|
readl(clk_base + CLK_SOURCE_CSITE);
|
|
writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
|
|
|
|
tegra114_cpu_clk_sctx.cclkg_burst =
|
|
readl(clk_base + CCLKG_BURST_POLICY);
|
|
tegra114_cpu_clk_sctx.cclkg_divider =
|
|
readl(clk_base + CCLKG_BURST_POLICY + 4);
|
|
}
|
|
|
|
static void tegra114_cpu_clock_resume(void)
|
|
{
|
|
writel(tegra114_cpu_clk_sctx.clk_csite_src,
|
|
clk_base + CLK_SOURCE_CSITE);
|
|
|
|
writel(tegra114_cpu_clk_sctx.cclkg_burst,
|
|
clk_base + CCLKG_BURST_POLICY);
|
|
writel(tegra114_cpu_clk_sctx.cclkg_divider,
|
|
clk_base + CCLKG_BURST_POLICY + 4);
|
|
}
|
|
#endif
|
|
|
|
static struct tegra_cpu_car_ops tegra114_cpu_car_ops = {
|
|
.wait_for_reset = tegra114_wait_cpu_in_reset,
|
|
.disable_clock = tegra114_disable_cpu_clock,
|
|
#ifdef CONFIG_PM_SLEEP
|
|
.suspend = tegra114_cpu_clock_suspend,
|
|
.resume = tegra114_cpu_clock_resume,
|
|
#endif
|
|
};
|
|
|
|
static const struct of_device_id pmc_match[] __initconst = {
|
|
{ .compatible = "nvidia,tegra114-pmc" },
|
|
{ },
|
|
};
|
|
|
|
/*
|
|
* dfll_soc/dfll_ref apparently must be kept enabled, otherwise I2C5
|
|
* breaks
|
|
*/
|
|
static struct tegra_clk_init_table init_table[] __initdata = {
|
|
{ TEGRA114_CLK_UARTA, TEGRA114_CLK_PLL_P, 408000000, 0 },
|
|
{ TEGRA114_CLK_UARTB, TEGRA114_CLK_PLL_P, 408000000, 0 },
|
|
{ TEGRA114_CLK_UARTC, TEGRA114_CLK_PLL_P, 408000000, 0 },
|
|
{ TEGRA114_CLK_UARTD, TEGRA114_CLK_PLL_P, 408000000, 0 },
|
|
{ TEGRA114_CLK_PLL_A, TEGRA114_CLK_CLK_MAX, 564480000, 0 },
|
|
{ TEGRA114_CLK_PLL_A_OUT0, TEGRA114_CLK_CLK_MAX, 11289600, 0 },
|
|
{ TEGRA114_CLK_I2S0, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0 },
|
|
{ TEGRA114_CLK_I2S1, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0 },
|
|
{ TEGRA114_CLK_I2S2, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0 },
|
|
{ TEGRA114_CLK_I2S3, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0 },
|
|
{ TEGRA114_CLK_I2S4, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0 },
|
|
{ TEGRA114_CLK_HOST1X, TEGRA114_CLK_PLL_P, 136000000, 0 },
|
|
{ TEGRA114_CLK_DFLL_SOC, TEGRA114_CLK_PLL_P, 51000000, 1 },
|
|
{ TEGRA114_CLK_DFLL_REF, TEGRA114_CLK_PLL_P, 51000000, 1 },
|
|
{ TEGRA114_CLK_DISP1, TEGRA114_CLK_PLL_P, 0, 0 },
|
|
{ TEGRA114_CLK_DISP2, TEGRA114_CLK_PLL_P, 0, 0 },
|
|
{ TEGRA114_CLK_GR2D, TEGRA114_CLK_PLL_C2, 300000000, 0 },
|
|
{ TEGRA114_CLK_GR3D, TEGRA114_CLK_PLL_C2, 300000000, 0 },
|
|
{ TEGRA114_CLK_DSIALP, TEGRA114_CLK_PLL_P, 68000000, 0 },
|
|
{ TEGRA114_CLK_DSIBLP, TEGRA114_CLK_PLL_P, 68000000, 0 },
|
|
{ TEGRA114_CLK_PLL_RE_VCO, TEGRA114_CLK_CLK_MAX, 612000000, 0 },
|
|
{ TEGRA114_CLK_XUSB_SS_SRC, TEGRA114_CLK_PLL_RE_OUT, 122400000, 0 },
|
|
{ TEGRA114_CLK_XUSB_FS_SRC, TEGRA114_CLK_PLL_U_48M, 48000000, 0 },
|
|
{ TEGRA114_CLK_XUSB_HS_SRC, TEGRA114_CLK_XUSB_SS_DIV2, 61200000, 0 },
|
|
{ TEGRA114_CLK_XUSB_FALCON_SRC, TEGRA114_CLK_PLL_P, 204000000, 0 },
|
|
{ TEGRA114_CLK_XUSB_HOST_SRC, TEGRA114_CLK_PLL_P, 102000000, 0 },
|
|
{ TEGRA114_CLK_VDE, TEGRA114_CLK_PLL_P, 408000000, 0 },
|
|
{ TEGRA114_CLK_SPDIF_IN_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 },
|
|
{ TEGRA114_CLK_I2S0_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 },
|
|
{ TEGRA114_CLK_I2S1_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 },
|
|
{ TEGRA114_CLK_I2S2_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 },
|
|
{ TEGRA114_CLK_I2S3_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 },
|
|
{ TEGRA114_CLK_I2S4_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 },
|
|
{ TEGRA114_CLK_VIMCLK_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 },
|
|
{ TEGRA114_CLK_PWM, TEGRA114_CLK_PLL_P, 408000000, 0 },
|
|
/* must be the last entry */
|
|
{ TEGRA114_CLK_CLK_MAX, TEGRA114_CLK_CLK_MAX, 0, 0 },
|
|
};
|
|
|
|
static void __init tegra114_clock_apply_init_table(void)
|
|
{
|
|
tegra_init_from_table(init_table, clks, TEGRA114_CLK_CLK_MAX);
|
|
}
|
|
|
|
/**
|
|
* tegra114_car_barrier - wait for pending writes to the CAR to complete
|
|
*
|
|
* Wait for any outstanding writes to the CAR MMIO space from this CPU
|
|
* to complete before continuing execution. No return value.
|
|
*/
|
|
static void tegra114_car_barrier(void)
|
|
{
|
|
wmb(); /* probably unnecessary */
|
|
readl_relaxed(clk_base + CPU_FINETRIM_SELECT);
|
|
}
|
|
|
|
/**
|
|
* tegra114_clock_tune_cpu_trimmers_high - use high-voltage propagation delays
|
|
*
|
|
* When the CPU rail voltage is in the high-voltage range, use the
|
|
* built-in hardwired clock propagation delays in the CPU clock
|
|
* shaper. No return value.
|
|
*/
|
|
void tegra114_clock_tune_cpu_trimmers_high(void)
|
|
{
|
|
u32 select = 0;
|
|
|
|
/* Use hardwired rise->rise & fall->fall clock propagation delays */
|
|
select |= ~(CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
|
|
CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
|
|
CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
|
|
writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT);
|
|
|
|
tegra114_car_barrier();
|
|
}
|
|
EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_high);
|
|
|
|
/**
|
|
* tegra114_clock_tune_cpu_trimmers_low - use low-voltage propagation delays
|
|
*
|
|
* When the CPU rail voltage is in the low-voltage range, use the
|
|
* extended clock propagation delays set by
|
|
* tegra114_clock_tune_cpu_trimmers_init(). The intention is to
|
|
* maintain the input clock duty cycle that the FCPU subsystem
|
|
* expects. No return value.
|
|
*/
|
|
void tegra114_clock_tune_cpu_trimmers_low(void)
|
|
{
|
|
u32 select = 0;
|
|
|
|
/*
|
|
* Use software-specified rise->rise & fall->fall clock
|
|
* propagation delays (from
|
|
* tegra114_clock_tune_cpu_trimmers_init()
|
|
*/
|
|
select |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
|
|
CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
|
|
CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
|
|
writel_relaxed(select, clk_base + CPU_FINETRIM_SELECT);
|
|
|
|
tegra114_car_barrier();
|
|
}
|
|
EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_low);
|
|
|
|
/**
|
|
* tegra114_clock_tune_cpu_trimmers_init - set up and enable clk prop delays
|
|
*
|
|
* Program extended clock propagation delays into the FCPU clock
|
|
* shaper and enable them. XXX Define the purpose - peak current
|
|
* reduction? No return value.
|
|
*/
|
|
/* XXX Initial voltage rail state assumption issues? */
|
|
void tegra114_clock_tune_cpu_trimmers_init(void)
|
|
{
|
|
u32 dr = 0, r = 0;
|
|
|
|
/* Increment the rise->rise clock delay by four steps */
|
|
r |= (CPU_FINETRIM_R_FCPU_1_MASK | CPU_FINETRIM_R_FCPU_2_MASK |
|
|
CPU_FINETRIM_R_FCPU_3_MASK | CPU_FINETRIM_R_FCPU_4_MASK |
|
|
CPU_FINETRIM_R_FCPU_5_MASK | CPU_FINETRIM_R_FCPU_6_MASK);
|
|
writel_relaxed(r, clk_base + CPU_FINETRIM_R);
|
|
|
|
/*
|
|
* Use the rise->rise clock propagation delay specified in the
|
|
* r field
|
|
*/
|
|
dr |= (CPU_FINETRIM_1_FCPU_1 | CPU_FINETRIM_1_FCPU_2 |
|
|
CPU_FINETRIM_1_FCPU_3 | CPU_FINETRIM_1_FCPU_4 |
|
|
CPU_FINETRIM_1_FCPU_5 | CPU_FINETRIM_1_FCPU_6);
|
|
writel_relaxed(dr, clk_base + CPU_FINETRIM_DR);
|
|
|
|
tegra114_clock_tune_cpu_trimmers_low();
|
|
}
|
|
EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_init);
|
|
|
|
/**
|
|
* tegra114_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
|
|
*
|
|
* Assert the reset line of the DFLL's DVCO. No return value.
|
|
*/
|
|
void tegra114_clock_assert_dfll_dvco_reset(void)
|
|
{
|
|
u32 v;
|
|
|
|
v = readl_relaxed(clk_base + RST_DFLL_DVCO);
|
|
v |= (1 << DVFS_DFLL_RESET_SHIFT);
|
|
writel_relaxed(v, clk_base + RST_DFLL_DVCO);
|
|
tegra114_car_barrier();
|
|
}
|
|
EXPORT_SYMBOL(tegra114_clock_assert_dfll_dvco_reset);
|
|
|
|
/**
|
|
* tegra114_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
|
|
*
|
|
* Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
|
|
* operate. No return value.
|
|
*/
|
|
void tegra114_clock_deassert_dfll_dvco_reset(void)
|
|
{
|
|
u32 v;
|
|
|
|
v = readl_relaxed(clk_base + RST_DFLL_DVCO);
|
|
v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
|
|
writel_relaxed(v, clk_base + RST_DFLL_DVCO);
|
|
tegra114_car_barrier();
|
|
}
|
|
EXPORT_SYMBOL(tegra114_clock_deassert_dfll_dvco_reset);
|
|
|
|
static void __init tegra114_clock_init(struct device_node *np)
|
|
{
|
|
struct device_node *node;
|
|
|
|
clk_base = of_iomap(np, 0);
|
|
if (!clk_base) {
|
|
pr_err("ioremap tegra114 CAR failed\n");
|
|
return;
|
|
}
|
|
|
|
node = of_find_matching_node(NULL, pmc_match);
|
|
if (!node) {
|
|
pr_err("Failed to find pmc node\n");
|
|
WARN_ON(1);
|
|
return;
|
|
}
|
|
|
|
pmc_base = of_iomap(node, 0);
|
|
of_node_put(node);
|
|
if (!pmc_base) {
|
|
pr_err("Can't map pmc registers\n");
|
|
WARN_ON(1);
|
|
return;
|
|
}
|
|
|
|
clks = tegra_clk_init(clk_base, TEGRA114_CLK_CLK_MAX,
|
|
TEGRA114_CLK_PERIPH_BANKS);
|
|
if (!clks)
|
|
return;
|
|
|
|
if (tegra_osc_clk_init(clk_base, tegra114_clks, tegra114_input_freq,
|
|
ARRAY_SIZE(tegra114_input_freq), 1, &osc_freq,
|
|
&pll_ref_freq) < 0)
|
|
return;
|
|
|
|
tegra114_fixed_clk_init(clk_base);
|
|
tegra114_pll_init(clk_base, pmc_base);
|
|
tegra114_periph_clk_init(clk_base, pmc_base);
|
|
tegra_audio_clk_init(clk_base, pmc_base, tegra114_clks,
|
|
tegra114_audio_plls,
|
|
ARRAY_SIZE(tegra114_audio_plls), 24000000);
|
|
tegra_super_clk_gen4_init(clk_base, pmc_base, tegra114_clks,
|
|
&pll_x_params);
|
|
|
|
tegra_add_of_provider(np, of_clk_src_onecell_get);
|
|
tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
|
|
|
|
tegra_clk_apply_init_table = tegra114_clock_apply_init_table;
|
|
|
|
tegra_cpu_car_ops = &tegra114_cpu_car_ops;
|
|
}
|
|
CLK_OF_DECLARE(tegra114, "nvidia,tegra114-car", tegra114_clock_init);
|