464 lines
12 KiB
C
464 lines
12 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#include <linux/clk-provider.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/pm_runtime.h>
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#include <linux/regmap.h>
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#include <dt-bindings/clock/qcom,sm8450-videocc.h>
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#include "clk-alpha-pll.h"
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#include "clk-branch.h"
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#include "clk-rcg.h"
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#include "clk-regmap.h"
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#include "clk-regmap-divider.h"
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#include "common.h"
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#include "gdsc.h"
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#include "reset.h"
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enum {
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DT_BI_TCXO,
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};
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enum {
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P_BI_TCXO,
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P_VIDEO_CC_PLL0_OUT_MAIN,
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P_VIDEO_CC_PLL1_OUT_MAIN,
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};
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static const struct pll_vco lucid_evo_vco[] = {
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{ 249600000, 2020000000, 0 },
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};
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static const struct alpha_pll_config video_cc_pll0_config = {
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/* .l includes CAL_L_VAL, L_VAL fields */
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.l = 0x0044001e,
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.alpha = 0x0,
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.config_ctl_val = 0x20485699,
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.config_ctl_hi_val = 0x00182261,
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.config_ctl_hi1_val = 0x32aa299c,
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.user_ctl_val = 0x00000000,
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.user_ctl_hi_val = 0x00000805,
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};
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static struct clk_alpha_pll video_cc_pll0 = {
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.offset = 0x0,
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.vco_table = lucid_evo_vco,
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.num_vco = ARRAY_SIZE(lucid_evo_vco),
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.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_EVO],
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.clkr = {
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.hw.init = &(const struct clk_init_data) {
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.name = "video_cc_pll0",
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.parent_data = &(const struct clk_parent_data) {
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.index = DT_BI_TCXO,
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},
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.num_parents = 1,
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.ops = &clk_alpha_pll_lucid_evo_ops,
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},
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},
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};
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static const struct alpha_pll_config video_cc_pll1_config = {
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/* .l includes CAL_L_VAL, L_VAL fields */
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.l = 0x0044002b,
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.alpha = 0xc000,
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.config_ctl_val = 0x20485699,
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.config_ctl_hi_val = 0x00182261,
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.config_ctl_hi1_val = 0x32aa299c,
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.user_ctl_val = 0x00000000,
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.user_ctl_hi_val = 0x00000805,
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};
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static struct clk_alpha_pll video_cc_pll1 = {
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.offset = 0x1000,
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.vco_table = lucid_evo_vco,
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.num_vco = ARRAY_SIZE(lucid_evo_vco),
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.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_LUCID_EVO],
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.clkr = {
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.hw.init = &(const struct clk_init_data) {
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.name = "video_cc_pll1",
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.parent_data = &(const struct clk_parent_data) {
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.index = DT_BI_TCXO,
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},
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.num_parents = 1,
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.ops = &clk_alpha_pll_lucid_evo_ops,
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},
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},
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};
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static const struct parent_map video_cc_parent_map_0[] = {
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{ P_BI_TCXO, 0 },
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{ P_VIDEO_CC_PLL0_OUT_MAIN, 1 },
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};
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static const struct clk_parent_data video_cc_parent_data_0[] = {
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{ .index = DT_BI_TCXO },
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{ .hw = &video_cc_pll0.clkr.hw },
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};
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static const struct parent_map video_cc_parent_map_1[] = {
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{ P_BI_TCXO, 0 },
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{ P_VIDEO_CC_PLL1_OUT_MAIN, 1 },
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};
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static const struct clk_parent_data video_cc_parent_data_1[] = {
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{ .index = DT_BI_TCXO },
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{ .hw = &video_cc_pll1.clkr.hw },
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};
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static const struct freq_tbl ftbl_video_cc_mvs0_clk_src[] = {
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F(576000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0),
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F(720000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0),
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F(1014000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0),
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F(1098000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0),
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F(1332000000, P_VIDEO_CC_PLL0_OUT_MAIN, 1, 0, 0),
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{ }
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};
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static struct clk_rcg2 video_cc_mvs0_clk_src = {
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.cmd_rcgr = 0x8000,
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.mnd_width = 0,
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.hid_width = 5,
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.parent_map = video_cc_parent_map_0,
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.freq_tbl = ftbl_video_cc_mvs0_clk_src,
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.clkr.hw.init = &(const struct clk_init_data) {
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.name = "video_cc_mvs0_clk_src",
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.parent_data = video_cc_parent_data_0,
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.num_parents = ARRAY_SIZE(video_cc_parent_data_0),
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_rcg2_shared_ops,
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},
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};
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static const struct freq_tbl ftbl_video_cc_mvs1_clk_src[] = {
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F(840000000, P_VIDEO_CC_PLL1_OUT_MAIN, 1, 0, 0),
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F(1050000000, P_VIDEO_CC_PLL1_OUT_MAIN, 1, 0, 0),
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F(1350000000, P_VIDEO_CC_PLL1_OUT_MAIN, 1, 0, 0),
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F(1500000000, P_VIDEO_CC_PLL1_OUT_MAIN, 1, 0, 0),
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F(1650000000, P_VIDEO_CC_PLL1_OUT_MAIN, 1, 0, 0),
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{ }
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};
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static struct clk_rcg2 video_cc_mvs1_clk_src = {
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.cmd_rcgr = 0x8018,
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.mnd_width = 0,
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.hid_width = 5,
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.parent_map = video_cc_parent_map_1,
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.freq_tbl = ftbl_video_cc_mvs1_clk_src,
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.clkr.hw.init = &(const struct clk_init_data) {
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.name = "video_cc_mvs1_clk_src",
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.parent_data = video_cc_parent_data_1,
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.num_parents = ARRAY_SIZE(video_cc_parent_data_1),
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_rcg2_shared_ops,
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},
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};
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static struct clk_regmap_div video_cc_mvs0_div_clk_src = {
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.reg = 0x80b8,
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.shift = 0,
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.width = 4,
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.clkr.hw.init = &(const struct clk_init_data) {
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.name = "video_cc_mvs0_div_clk_src",
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.parent_hws = (const struct clk_hw*[]) {
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&video_cc_mvs0_clk_src.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_regmap_div_ro_ops,
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},
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};
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static struct clk_regmap_div video_cc_mvs0c_div2_div_clk_src = {
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.reg = 0x806c,
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.shift = 0,
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.width = 4,
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.clkr.hw.init = &(const struct clk_init_data) {
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.name = "video_cc_mvs0c_div2_div_clk_src",
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.parent_hws = (const struct clk_hw*[]) {
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&video_cc_mvs0_clk_src.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_regmap_div_ro_ops,
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},
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};
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static struct clk_regmap_div video_cc_mvs1_div_clk_src = {
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.reg = 0x80dc,
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.shift = 0,
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.width = 4,
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.clkr.hw.init = &(const struct clk_init_data) {
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.name = "video_cc_mvs1_div_clk_src",
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.parent_hws = (const struct clk_hw*[]) {
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&video_cc_mvs1_clk_src.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_regmap_div_ro_ops,
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},
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};
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static struct clk_regmap_div video_cc_mvs1c_div2_div_clk_src = {
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.reg = 0x8094,
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.shift = 0,
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.width = 4,
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.clkr.hw.init = &(const struct clk_init_data) {
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.name = "video_cc_mvs1c_div2_div_clk_src",
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.parent_hws = (const struct clk_hw*[]) {
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&video_cc_mvs1_clk_src.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_regmap_div_ro_ops,
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},
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};
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static struct clk_branch video_cc_mvs0_clk = {
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.halt_reg = 0x80b0,
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.halt_check = BRANCH_HALT_SKIP,
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.hwcg_reg = 0x80b0,
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.hwcg_bit = 1,
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.clkr = {
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.enable_reg = 0x80b0,
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.enable_mask = BIT(0),
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.hw.init = &(const struct clk_init_data) {
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.name = "video_cc_mvs0_clk",
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.parent_hws = (const struct clk_hw*[]) {
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&video_cc_mvs0_div_clk_src.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_branch2_ops,
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},
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},
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};
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static struct clk_branch video_cc_mvs0c_clk = {
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.halt_reg = 0x8064,
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.halt_check = BRANCH_HALT,
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.clkr = {
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.enable_reg = 0x8064,
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.enable_mask = BIT(0),
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.hw.init = &(const struct clk_init_data) {
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.name = "video_cc_mvs0c_clk",
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.parent_hws = (const struct clk_hw*[]) {
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&video_cc_mvs0c_div2_div_clk_src.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_branch2_ops,
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},
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},
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};
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static struct clk_branch video_cc_mvs1_clk = {
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.halt_reg = 0x80d4,
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.halt_check = BRANCH_HALT_SKIP,
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.hwcg_reg = 0x80d4,
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.hwcg_bit = 1,
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.clkr = {
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.enable_reg = 0x80d4,
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.enable_mask = BIT(0),
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.hw.init = &(const struct clk_init_data) {
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.name = "video_cc_mvs1_clk",
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.parent_hws = (const struct clk_hw*[]) {
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&video_cc_mvs1_div_clk_src.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_branch2_ops,
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},
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},
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};
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static struct clk_branch video_cc_mvs1c_clk = {
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.halt_reg = 0x808c,
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.halt_check = BRANCH_HALT,
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.clkr = {
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.enable_reg = 0x808c,
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.enable_mask = BIT(0),
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.hw.init = &(const struct clk_init_data) {
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.name = "video_cc_mvs1c_clk",
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.parent_hws = (const struct clk_hw*[]) {
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&video_cc_mvs1c_div2_div_clk_src.clkr.hw,
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},
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.num_parents = 1,
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.flags = CLK_SET_RATE_PARENT,
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.ops = &clk_branch2_ops,
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},
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},
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};
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static struct gdsc video_cc_mvs0c_gdsc = {
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.gdscr = 0x804c,
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.en_rest_wait_val = 0x2,
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.en_few_wait_val = 0x2,
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.clk_dis_wait_val = 0x6,
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.pd = {
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.name = "video_cc_mvs0c_gdsc",
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},
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.pwrsts = PWRSTS_OFF_ON,
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.flags = RETAIN_FF_ENABLE,
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};
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static struct gdsc video_cc_mvs0_gdsc = {
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.gdscr = 0x809c,
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.en_rest_wait_val = 0x2,
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.en_few_wait_val = 0x2,
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.clk_dis_wait_val = 0x6,
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.pd = {
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.name = "video_cc_mvs0_gdsc",
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},
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.pwrsts = PWRSTS_OFF_ON,
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.parent = &video_cc_mvs0c_gdsc.pd,
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.flags = RETAIN_FF_ENABLE | HW_CTRL,
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};
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static struct gdsc video_cc_mvs1c_gdsc = {
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.gdscr = 0x8074,
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.en_rest_wait_val = 0x2,
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.en_few_wait_val = 0x2,
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.clk_dis_wait_val = 0x6,
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.pd = {
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.name = "video_cc_mvs1c_gdsc",
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},
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.pwrsts = PWRSTS_OFF_ON,
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.flags = RETAIN_FF_ENABLE,
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};
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static struct gdsc video_cc_mvs1_gdsc = {
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.gdscr = 0x80c0,
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.en_rest_wait_val = 0x2,
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.en_few_wait_val = 0x2,
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.clk_dis_wait_val = 0x6,
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.pd = {
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.name = "video_cc_mvs1_gdsc",
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|
},
|
||
|
|
.pwrsts = PWRSTS_OFF_ON,
|
||
|
|
.parent = &video_cc_mvs1c_gdsc.pd,
|
||
|
|
.flags = RETAIN_FF_ENABLE | HW_CTRL,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct clk_regmap *video_cc_sm8450_clocks[] = {
|
||
|
|
[VIDEO_CC_MVS0_CLK] = &video_cc_mvs0_clk.clkr,
|
||
|
|
[VIDEO_CC_MVS0_CLK_SRC] = &video_cc_mvs0_clk_src.clkr,
|
||
|
|
[VIDEO_CC_MVS0_DIV_CLK_SRC] = &video_cc_mvs0_div_clk_src.clkr,
|
||
|
|
[VIDEO_CC_MVS0C_CLK] = &video_cc_mvs0c_clk.clkr,
|
||
|
|
[VIDEO_CC_MVS0C_DIV2_DIV_CLK_SRC] = &video_cc_mvs0c_div2_div_clk_src.clkr,
|
||
|
|
[VIDEO_CC_MVS1_CLK] = &video_cc_mvs1_clk.clkr,
|
||
|
|
[VIDEO_CC_MVS1_CLK_SRC] = &video_cc_mvs1_clk_src.clkr,
|
||
|
|
[VIDEO_CC_MVS1_DIV_CLK_SRC] = &video_cc_mvs1_div_clk_src.clkr,
|
||
|
|
[VIDEO_CC_MVS1C_CLK] = &video_cc_mvs1c_clk.clkr,
|
||
|
|
[VIDEO_CC_MVS1C_DIV2_DIV_CLK_SRC] = &video_cc_mvs1c_div2_div_clk_src.clkr,
|
||
|
|
[VIDEO_CC_PLL0] = &video_cc_pll0.clkr,
|
||
|
|
[VIDEO_CC_PLL1] = &video_cc_pll1.clkr,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct gdsc *video_cc_sm8450_gdscs[] = {
|
||
|
|
[VIDEO_CC_MVS0C_GDSC] = &video_cc_mvs0c_gdsc,
|
||
|
|
[VIDEO_CC_MVS0_GDSC] = &video_cc_mvs0_gdsc,
|
||
|
|
[VIDEO_CC_MVS1C_GDSC] = &video_cc_mvs1c_gdsc,
|
||
|
|
[VIDEO_CC_MVS1_GDSC] = &video_cc_mvs1_gdsc,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct qcom_reset_map video_cc_sm8450_resets[] = {
|
||
|
|
[CVP_VIDEO_CC_INTERFACE_BCR] = { 0x80e0 },
|
||
|
|
[CVP_VIDEO_CC_MVS0_BCR] = { 0x8098 },
|
||
|
|
[CVP_VIDEO_CC_MVS0C_BCR] = { 0x8048 },
|
||
|
|
[CVP_VIDEO_CC_MVS1_BCR] = { 0x80bc },
|
||
|
|
[CVP_VIDEO_CC_MVS1C_BCR] = { 0x8070 },
|
||
|
|
[VIDEO_CC_MVS0C_CLK_ARES] = { 0x8064, 2 },
|
||
|
|
[VIDEO_CC_MVS1C_CLK_ARES] = { 0x808c, 2 },
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct regmap_config video_cc_sm8450_regmap_config = {
|
||
|
|
.reg_bits = 32,
|
||
|
|
.reg_stride = 4,
|
||
|
|
.val_bits = 32,
|
||
|
|
.max_register = 0x9f4c,
|
||
|
|
.fast_io = true,
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct qcom_cc_desc video_cc_sm8450_desc = {
|
||
|
|
.config = &video_cc_sm8450_regmap_config,
|
||
|
|
.clks = video_cc_sm8450_clocks,
|
||
|
|
.num_clks = ARRAY_SIZE(video_cc_sm8450_clocks),
|
||
|
|
.resets = video_cc_sm8450_resets,
|
||
|
|
.num_resets = ARRAY_SIZE(video_cc_sm8450_resets),
|
||
|
|
.gdscs = video_cc_sm8450_gdscs,
|
||
|
|
.num_gdscs = ARRAY_SIZE(video_cc_sm8450_gdscs),
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct of_device_id video_cc_sm8450_match_table[] = {
|
||
|
|
{ .compatible = "qcom,sm8450-videocc" },
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(of, video_cc_sm8450_match_table);
|
||
|
|
|
||
|
|
static int video_cc_sm8450_probe(struct platform_device *pdev)
|
||
|
|
{
|
||
|
|
struct regmap *regmap;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = devm_pm_runtime_enable(&pdev->dev);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
ret = pm_runtime_resume_and_get(&pdev->dev);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
regmap = qcom_cc_map(pdev, &video_cc_sm8450_desc);
|
||
|
|
if (IS_ERR(regmap)) {
|
||
|
|
pm_runtime_put(&pdev->dev);
|
||
|
|
return PTR_ERR(regmap);
|
||
|
|
}
|
||
|
|
|
||
|
|
clk_lucid_evo_pll_configure(&video_cc_pll0, regmap, &video_cc_pll0_config);
|
||
|
|
clk_lucid_evo_pll_configure(&video_cc_pll1, regmap, &video_cc_pll1_config);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Keep clocks always enabled:
|
||
|
|
* video_cc_ahb_clk
|
||
|
|
* video_cc_sleep_clk
|
||
|
|
* video_cc_xo_clk
|
||
|
|
*/
|
||
|
|
regmap_update_bits(regmap, 0x80e4, BIT(0), BIT(0));
|
||
|
|
regmap_update_bits(regmap, 0x8130, BIT(0), BIT(0));
|
||
|
|
regmap_update_bits(regmap, 0x8114, BIT(0), BIT(0));
|
||
|
|
|
||
|
|
ret = qcom_cc_really_probe(pdev, &video_cc_sm8450_desc, regmap);
|
||
|
|
|
||
|
|
pm_runtime_put(&pdev->dev);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct platform_driver video_cc_sm8450_driver = {
|
||
|
|
.probe = video_cc_sm8450_probe,
|
||
|
|
.driver = {
|
||
|
|
.name = "video_cc-sm8450",
|
||
|
|
.of_match_table = video_cc_sm8450_match_table,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static int __init video_cc_sm8450_init(void)
|
||
|
|
{
|
||
|
|
return platform_driver_register(&video_cc_sm8450_driver);
|
||
|
|
}
|
||
|
|
subsys_initcall(video_cc_sm8450_init);
|
||
|
|
|
||
|
|
static void __exit video_cc_sm8450_exit(void)
|
||
|
|
{
|
||
|
|
platform_driver_unregister(&video_cc_sm8450_driver);
|
||
|
|
}
|
||
|
|
module_exit(video_cc_sm8450_exit);
|
||
|
|
|
||
|
|
MODULE_DESCRIPTION("QTI VIDEOCC SM8450 Driver");
|
||
|
|
MODULE_LICENSE("GPL");
|