1758 lines
52 KiB
C
1758 lines
52 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
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*/
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#include <linux/delay.h>
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#include <linux/io.h>
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#include <linux/mailbox_client.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/phy/phy.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/consumer.h>
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#include <linux/reset.h>
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#include <linux/slab.h>
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#include <soc/tegra/fuse.h>
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#include "xusb.h"
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#define FUSE_SKU_CALIB_HS_CURR_LEVEL_PADX_SHIFT(x) ((x) ? 15 : 0)
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#define FUSE_SKU_CALIB_HS_CURR_LEVEL_PAD_MASK 0x3f
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#define FUSE_SKU_CALIB_HS_IREF_CAP_SHIFT 13
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#define FUSE_SKU_CALIB_HS_IREF_CAP_MASK 0x3
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#define FUSE_SKU_CALIB_HS_SQUELCH_LEVEL_SHIFT 11
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#define FUSE_SKU_CALIB_HS_SQUELCH_LEVEL_MASK 0x3
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#define FUSE_SKU_CALIB_HS_TERM_RANGE_ADJ_SHIFT 7
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#define FUSE_SKU_CALIB_HS_TERM_RANGE_ADJ_MASK 0xf
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#define XUSB_PADCTL_USB2_PORT_CAP 0x008
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#define XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_SHIFT(x) ((x) * 4)
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#define XUSB_PADCTL_USB2_PORT_CAP_PORT_CAP_MASK 0x3
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#define XUSB_PADCTL_USB2_PORT_CAP_DISABLED 0x0
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#define XUSB_PADCTL_USB2_PORT_CAP_HOST 0x1
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#define XUSB_PADCTL_USB2_PORT_CAP_DEVICE 0x2
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#define XUSB_PADCTL_USB2_PORT_CAP_OTG 0x3
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#define XUSB_PADCTL_SS_PORT_MAP 0x014
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#define XUSB_PADCTL_SS_PORT_MAP_PORTX_INTERNAL(x) (1 << (((x) * 4) + 3))
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#define XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP_SHIFT(x) ((x) * 4)
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#define XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP_MASK(x) (0x7 << ((x) * 4))
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#define XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP(x, v) (((v) & 0x7) << ((x) * 4))
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#define XUSB_PADCTL_SS_PORT_MAP_PORT_MAP_MASK 0x7
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#define XUSB_PADCTL_ELPG_PROGRAM 0x01c
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#define XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_VCORE_DOWN (1 << 26)
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#define XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN_EARLY (1 << 25)
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#define XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN (1 << 24)
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#define XUSB_PADCTL_ELPG_PROGRAM_SSPX_ELPG_VCORE_DOWN(x) (1 << (18 + (x) * 4))
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#define XUSB_PADCTL_ELPG_PROGRAM_SSPX_ELPG_CLAMP_EN_EARLY(x) \
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(1 << (17 + (x) * 4))
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#define XUSB_PADCTL_ELPG_PROGRAM_SSPX_ELPG_CLAMP_EN(x) (1 << (16 + (x) * 4))
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#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1 0x040
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#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL0_LOCKDET (1 << 19)
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#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1_REFCLK_SEL_MASK (0xf << 12)
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#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL_RST (1 << 1)
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#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2 0x044
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#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2_REFCLKBUF_EN (1 << 6)
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#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_EN (1 << 5)
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#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_SEL (1 << 4)
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#define XUSB_PADCTL_IOPHY_USB3_PADX_CTL2(x) (0x058 + (x) * 4)
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_CDR_CNTL_SHIFT 24
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_CDR_CNTL_MASK 0xff
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_CDR_CNTL_VAL 0x24
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_Z_SHIFT 16
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_Z_MASK 0x3f
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_G_SHIFT 8
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_G_MASK 0x3f
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_SHIFT 8
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_MASK 0xffff
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_VAL 0xf070
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_WANDER_SHIFT 4
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_WANDER_MASK 0xf
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_WANDER_VAL 0xf
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#define XUSB_PADCTL_IOPHY_USB3_PADX_CTL4(x) (0x068 + (x) * 4)
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_TAP_SHIFT 24
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_TAP_MASK 0x1f
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_AMP_SHIFT 16
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_AMP_MASK 0x7f
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#define XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_VAL 0x002008ee
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#define XUSB_PADCTL_IOPHY_MISC_PAD_PX_CTL2(x) ((x) < 2 ? 0x078 + (x) * 4 : \
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0x0f8 + (x) * 4)
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#define XUSB_PADCTL_IOPHY_MISC_PAD_CTL2_SPARE_IN_SHIFT 28
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#define XUSB_PADCTL_IOPHY_MISC_PAD_CTL2_SPARE_IN_MASK 0x3
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#define XUSB_PADCTL_IOPHY_MISC_PAD_CTL2_SPARE_IN_VAL 0x1
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#define XUSB_PADCTL_IOPHY_MISC_PAD_PX_CTL5(x) ((x) < 2 ? 0x090 + (x) * 4 : \
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0x11c + (x) * 4)
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#define XUSB_PADCTL_IOPHY_MISC_PAD_CTL5_RX_QEYE_EN (1 << 8)
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#define XUSB_PADCTL_IOPHY_MISC_PAD_PX_CTL6(x) ((x) < 2 ? 0x098 + (x) * 4 : \
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0x128 + (x) * 4)
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#define XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SHIFT 24
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#define XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_G_Z_MASK 0x3f
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#define XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_TAP_MASK 0x1f
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#define XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_AMP_MASK 0x7f
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#define XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_SHIFT 16
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#define XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_MASK 0xff
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#define XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_G_Z 0x21
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#define XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_TAP 0x32
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#define XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_AMP 0x33
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#define XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_CTLE_Z 0x48
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#define XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_LATCH_G_Z 0xa1
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#define XUSB_PADCTL_USB2_OTG_PADX_CTL0(x) (0x0a0 + (x) * 4)
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL0_PD_ZI (1 << 21)
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL0_PD2 (1 << 20)
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL0_PD (1 << 19)
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL0_LS_RSLEW_SHIFT 14
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL0_LS_RSLEW_MASK 0x3
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL0_LS_RSLEW_VAL(x) ((x) ? 0x0 : 0x3)
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_SLEW_SHIFT 6
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_SLEW_MASK 0x3f
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_SLEW_VAL 0x0e
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_CURR_LEVEL_SHIFT 0
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_CURR_LEVEL_MASK 0x3f
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#define XUSB_PADCTL_USB2_OTG_PADX_CTL1(x) (0x0ac + (x) * 4)
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL1_HS_IREF_CAP_SHIFT 9
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL1_HS_IREF_CAP_MASK 0x3
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL1_TERM_RANGE_ADJ_SHIFT 3
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL1_TERM_RANGE_ADJ_MASK 0x7
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_DR (1 << 2)
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_DISC_FORCE_POWERUP (1 << 1)
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#define XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_CHRP_FORCE_POWERUP (1 << 0)
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#define XUSB_PADCTL_USB2_BIAS_PAD_CTL0 0x0b8
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#define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_PD (1 << 12)
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#define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_SHIFT 2
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#define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_MASK 0x7
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#define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_VAL 0x5
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#define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_SHIFT 0
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#define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_MASK 0x3
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#define XUSB_PADCTL_HSIC_PADX_CTL0(x) (0x0c0 + (x) * 4)
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#define XUSB_PADCTL_HSIC_PAD_CTL0_TX_RSLEWN_SHIFT 12
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#define XUSB_PADCTL_HSIC_PAD_CTL0_TX_RSLEWN_MASK 0x7
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#define XUSB_PADCTL_HSIC_PAD_CTL0_TX_RSLEWP_SHIFT 8
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#define XUSB_PADCTL_HSIC_PAD_CTL0_TX_RSLEWP_MASK 0x7
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#define XUSB_PADCTL_HSIC_PAD_CTL0_TX_RTUNEN_SHIFT 4
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#define XUSB_PADCTL_HSIC_PAD_CTL0_TX_RTUNEN_MASK 0x7
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#define XUSB_PADCTL_HSIC_PAD_CTL0_TX_RTUNEP_SHIFT 0
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#define XUSB_PADCTL_HSIC_PAD_CTL0_TX_RTUNEP_MASK 0x7
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#define XUSB_PADCTL_HSIC_PADX_CTL1(x) (0x0c8 + (x) * 4)
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#define XUSB_PADCTL_HSIC_PAD_CTL1_RPU_STROBE (1 << 10)
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#define XUSB_PADCTL_HSIC_PAD_CTL1_RPU_DATA (1 << 9)
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#define XUSB_PADCTL_HSIC_PAD_CTL1_RPD_STROBE (1 << 8)
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#define XUSB_PADCTL_HSIC_PAD_CTL1_RPD_DATA (1 << 7)
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#define XUSB_PADCTL_HSIC_PAD_CTL1_PD_ZI (1 << 5)
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#define XUSB_PADCTL_HSIC_PAD_CTL1_PD_RX (1 << 4)
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#define XUSB_PADCTL_HSIC_PAD_CTL1_PD_TRX (1 << 3)
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#define XUSB_PADCTL_HSIC_PAD_CTL1_PD_TX (1 << 2)
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#define XUSB_PADCTL_HSIC_PAD_CTL1_AUTO_TERM_EN (1 << 0)
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#define XUSB_PADCTL_HSIC_PADX_CTL2(x) (0x0d0 + (x) * 4)
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#define XUSB_PADCTL_HSIC_PAD_CTL2_RX_STROBE_TRIM_SHIFT 4
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#define XUSB_PADCTL_HSIC_PAD_CTL2_RX_STROBE_TRIM_MASK 0x7
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#define XUSB_PADCTL_HSIC_PAD_CTL2_RX_DATA_TRIM_SHIFT 0
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#define XUSB_PADCTL_HSIC_PAD_CTL2_RX_DATA_TRIM_MASK 0x7
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#define XUSB_PADCTL_HSIC_STRB_TRIM_CONTROL 0x0e0
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#define XUSB_PADCTL_HSIC_STRB_TRIM_CONTROL_STRB_TRIM_MASK 0x1f
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#define XUSB_PADCTL_USB3_PAD_MUX 0x134
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#define XUSB_PADCTL_USB3_PAD_MUX_PCIE_IDDQ_DISABLE(x) (1 << (1 + (x)))
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#define XUSB_PADCTL_USB3_PAD_MUX_SATA_IDDQ_DISABLE(x) (1 << (6 + (x)))
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1 0x138
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_LOCKDET (1 << 27)
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_MODE (1 << 24)
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL0_REFCLK_NDIV_SHIFT 20
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL0_REFCLK_NDIV_MASK 0x3
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_PWR_OVRD (1 << 3)
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_RST (1 << 1)
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_IDDQ (1 << 0)
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL2 0x13c
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL2_PLL1_CP_CNTL_SHIFT 20
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL2_PLL1_CP_CNTL_MASK 0xf
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL2_PLL0_CP_CNTL_SHIFT 16
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL2_PLL0_CP_CNTL_MASK 0xf
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL2_TCLKOUT_EN (1 << 12)
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL2_TXCLKREF_SEL (1 << 4)
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL2_XDIGCLK_SEL_SHIFT 0
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL2_XDIGCLK_SEL_MASK 0x7
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL3 0x140
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#define XUSB_PADCTL_IOPHY_PLL_S0_CTL3_RCAL_BYPASS (1 << 7)
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#define XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1 0x148
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#define XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ_OVRD (1 << 1)
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#define XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ (1 << 0)
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#define XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL2 0x14c
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#define XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL5 0x158
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#define XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL6 0x15c
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struct tegra124_xusb_fuse_calibration {
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u32 hs_curr_level[3];
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u32 hs_iref_cap;
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u32 hs_term_range_adj;
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u32 hs_squelch_level;
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};
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struct tegra124_xusb_padctl {
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struct tegra_xusb_padctl base;
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struct tegra124_xusb_fuse_calibration fuse;
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};
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static inline struct tegra124_xusb_padctl *
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to_tegra124_xusb_padctl(struct tegra_xusb_padctl *padctl)
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{
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return container_of(padctl, struct tegra124_xusb_padctl, base);
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}
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static int tegra124_xusb_padctl_enable(struct tegra_xusb_padctl *padctl)
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{
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u32 value;
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mutex_lock(&padctl->lock);
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if (padctl->enable++ > 0)
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goto out;
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value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
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value &= ~XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN;
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padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
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usleep_range(100, 200);
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value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
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value &= ~XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN_EARLY;
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padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
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usleep_range(100, 200);
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value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
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value &= ~XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_VCORE_DOWN;
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padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
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out:
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mutex_unlock(&padctl->lock);
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return 0;
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}
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static int tegra124_xusb_padctl_disable(struct tegra_xusb_padctl *padctl)
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{
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u32 value;
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mutex_lock(&padctl->lock);
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if (WARN_ON(padctl->enable == 0))
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goto out;
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if (--padctl->enable > 0)
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goto out;
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value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
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value |= XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_VCORE_DOWN;
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padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
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usleep_range(100, 200);
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value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
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value |= XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN_EARLY;
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padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
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usleep_range(100, 200);
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value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
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value |= XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN;
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padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
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out:
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mutex_unlock(&padctl->lock);
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return 0;
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}
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static int tegra124_usb3_save_context(struct tegra_xusb_padctl *padctl,
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unsigned int index)
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{
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struct tegra_xusb_usb3_port *port;
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struct tegra_xusb_lane *lane;
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u32 value, offset;
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port = tegra_xusb_find_usb3_port(padctl, index);
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if (!port)
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return -ENODEV;
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port->context_saved = true;
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lane = port->base.lane;
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if (lane->pad == padctl->pcie)
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offset = XUSB_PADCTL_IOPHY_MISC_PAD_PX_CTL6(lane->index);
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else
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offset = XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL6;
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value = padctl_readl(padctl, offset);
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value &= ~(XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_MASK <<
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XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_SHIFT);
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value |= XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_TAP <<
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XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_SHIFT;
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padctl_writel(padctl, value, offset);
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|
|
value = padctl_readl(padctl, offset) >>
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SHIFT;
|
|
port->tap1 = value & XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_TAP_MASK;
|
|
|
|
value = padctl_readl(padctl, offset);
|
|
value &= ~(XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_MASK <<
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_SHIFT);
|
|
value |= XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_AMP <<
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_SHIFT;
|
|
padctl_writel(padctl, value, offset);
|
|
|
|
value = padctl_readl(padctl, offset) >>
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SHIFT;
|
|
port->amp = value & XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_AMP_MASK;
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_USB3_PADX_CTL4(index));
|
|
value &= ~((XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_TAP_MASK <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_TAP_SHIFT) |
|
|
(XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_AMP_MASK <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_AMP_SHIFT));
|
|
value |= (port->tap1 <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_TAP_SHIFT) |
|
|
(port->amp <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_AMP_SHIFT);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_USB3_PADX_CTL4(index));
|
|
|
|
value = padctl_readl(padctl, offset);
|
|
value &= ~(XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_MASK <<
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_SHIFT);
|
|
value |= XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_LATCH_G_Z <<
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_SHIFT;
|
|
padctl_writel(padctl, value, offset);
|
|
|
|
value = padctl_readl(padctl, offset);
|
|
value &= ~(XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_MASK <<
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_SHIFT);
|
|
value |= XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_G_Z <<
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_SHIFT;
|
|
padctl_writel(padctl, value, offset);
|
|
|
|
value = padctl_readl(padctl, offset) >>
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SHIFT;
|
|
port->ctle_g = value &
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_G_Z_MASK;
|
|
|
|
value = padctl_readl(padctl, offset);
|
|
value &= ~(XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_MASK <<
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_SHIFT);
|
|
value |= XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_CTLE_Z <<
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SEL_SHIFT;
|
|
padctl_writel(padctl, value, offset);
|
|
|
|
value = padctl_readl(padctl, offset) >>
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_SHIFT;
|
|
port->ctle_z = value &
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL6_MISC_OUT_G_Z_MASK;
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_USB3_PADX_CTL2(index));
|
|
value &= ~((XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_G_MASK <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_G_SHIFT) |
|
|
(XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_Z_MASK <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_Z_SHIFT));
|
|
value |= (port->ctle_g <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_G_SHIFT) |
|
|
(port->ctle_z <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_Z_SHIFT);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_USB3_PADX_CTL2(index));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tegra124_hsic_set_idle(struct tegra_xusb_padctl *padctl,
|
|
unsigned int index, bool idle)
|
|
{
|
|
u32 value;
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PADX_CTL1(index));
|
|
|
|
if (idle)
|
|
value |= XUSB_PADCTL_HSIC_PAD_CTL1_RPD_DATA |
|
|
XUSB_PADCTL_HSIC_PAD_CTL1_RPU_STROBE;
|
|
else
|
|
value &= ~(XUSB_PADCTL_HSIC_PAD_CTL1_RPD_DATA |
|
|
XUSB_PADCTL_HSIC_PAD_CTL1_RPU_STROBE);
|
|
|
|
padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PADX_CTL1(index));
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define TEGRA124_LANE(_name, _offset, _shift, _mask, _type) \
|
|
{ \
|
|
.name = _name, \
|
|
.offset = _offset, \
|
|
.shift = _shift, \
|
|
.mask = _mask, \
|
|
.num_funcs = ARRAY_SIZE(tegra124_##_type##_functions), \
|
|
.funcs = tegra124_##_type##_functions, \
|
|
}
|
|
|
|
static const char * const tegra124_usb2_functions[] = {
|
|
"snps",
|
|
"xusb",
|
|
"uart",
|
|
};
|
|
|
|
static const struct tegra_xusb_lane_soc tegra124_usb2_lanes[] = {
|
|
TEGRA124_LANE("usb2-0", 0x004, 0, 0x3, usb2),
|
|
TEGRA124_LANE("usb2-1", 0x004, 2, 0x3, usb2),
|
|
TEGRA124_LANE("usb2-2", 0x004, 4, 0x3, usb2),
|
|
};
|
|
|
|
static struct tegra_xusb_lane *
|
|
tegra124_usb2_lane_probe(struct tegra_xusb_pad *pad, struct device_node *np,
|
|
unsigned int index)
|
|
{
|
|
struct tegra_xusb_usb2_lane *usb2;
|
|
int err;
|
|
|
|
usb2 = kzalloc(sizeof(*usb2), GFP_KERNEL);
|
|
if (!usb2)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
INIT_LIST_HEAD(&usb2->base.list);
|
|
usb2->base.soc = &pad->soc->lanes[index];
|
|
usb2->base.index = index;
|
|
usb2->base.pad = pad;
|
|
usb2->base.np = np;
|
|
|
|
err = tegra_xusb_lane_parse_dt(&usb2->base, np);
|
|
if (err < 0) {
|
|
kfree(usb2);
|
|
return ERR_PTR(err);
|
|
}
|
|
|
|
return &usb2->base;
|
|
}
|
|
|
|
static void tegra124_usb2_lane_remove(struct tegra_xusb_lane *lane)
|
|
{
|
|
struct tegra_xusb_usb2_lane *usb2 = to_usb2_lane(lane);
|
|
|
|
kfree(usb2);
|
|
}
|
|
|
|
static const struct tegra_xusb_lane_ops tegra124_usb2_lane_ops = {
|
|
.probe = tegra124_usb2_lane_probe,
|
|
.remove = tegra124_usb2_lane_remove,
|
|
};
|
|
|
|
static int tegra124_usb2_phy_init(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
|
|
return tegra124_xusb_padctl_enable(lane->pad->padctl);
|
|
}
|
|
|
|
static int tegra124_usb2_phy_exit(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
|
|
return tegra124_xusb_padctl_disable(lane->pad->padctl);
|
|
}
|
|
|
|
static int tegra124_usb2_phy_power_on(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
struct tegra_xusb_usb2_lane *usb2 = to_usb2_lane(lane);
|
|
struct tegra_xusb_usb2_pad *pad = to_usb2_pad(lane->pad);
|
|
struct tegra_xusb_padctl *padctl = lane->pad->padctl;
|
|
struct tegra124_xusb_padctl *priv;
|
|
struct tegra_xusb_usb2_port *port;
|
|
unsigned int index = lane->index;
|
|
u32 value;
|
|
int err;
|
|
|
|
port = tegra_xusb_find_usb2_port(padctl, index);
|
|
if (!port) {
|
|
dev_err(&phy->dev, "no port found for USB2 lane %u\n", index);
|
|
return -ENODEV;
|
|
}
|
|
|
|
priv = to_tegra124_xusb_padctl(padctl);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_USB2_BIAS_PAD_CTL0);
|
|
value &= ~((XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_MASK <<
|
|
XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_SHIFT) |
|
|
(XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_MASK <<
|
|
XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_SHIFT));
|
|
value |= (priv->fuse.hs_squelch_level <<
|
|
XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_SHIFT) |
|
|
(XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_VAL <<
|
|
XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_SHIFT);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_USB2_BIAS_PAD_CTL0);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_USB2_PORT_CAP);
|
|
value &= ~(XUSB_PADCTL_USB2_PORT_CAP_PORT_CAP_MASK <<
|
|
XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_SHIFT(index));
|
|
value |= XUSB_PADCTL_USB2_PORT_CAP_HOST <<
|
|
XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_SHIFT(index);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_USB2_PORT_CAP);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_USB2_OTG_PADX_CTL0(index));
|
|
value &= ~((XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_CURR_LEVEL_MASK <<
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_CURR_LEVEL_SHIFT) |
|
|
(XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_SLEW_MASK <<
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_SLEW_SHIFT) |
|
|
(XUSB_PADCTL_USB2_OTG_PAD_CTL0_LS_RSLEW_MASK <<
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL0_LS_RSLEW_SHIFT) |
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL0_PD |
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL0_PD2 |
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL0_PD_ZI);
|
|
value |= (priv->fuse.hs_curr_level[index] +
|
|
usb2->hs_curr_level_offset) <<
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_CURR_LEVEL_SHIFT;
|
|
value |= XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_SLEW_VAL <<
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_SLEW_SHIFT;
|
|
value |= XUSB_PADCTL_USB2_OTG_PAD_CTL0_LS_RSLEW_VAL(index) <<
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL0_LS_RSLEW_SHIFT;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_USB2_OTG_PADX_CTL0(index));
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_USB2_OTG_PADX_CTL1(index));
|
|
value &= ~((XUSB_PADCTL_USB2_OTG_PAD_CTL1_TERM_RANGE_ADJ_MASK <<
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL1_TERM_RANGE_ADJ_SHIFT) |
|
|
(XUSB_PADCTL_USB2_OTG_PAD_CTL1_HS_IREF_CAP_MASK <<
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL1_HS_IREF_CAP_SHIFT) |
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_DR |
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_CHRP_FORCE_POWERUP |
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_DISC_FORCE_POWERUP);
|
|
value |= (priv->fuse.hs_term_range_adj <<
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL1_TERM_RANGE_ADJ_SHIFT) |
|
|
(priv->fuse.hs_iref_cap <<
|
|
XUSB_PADCTL_USB2_OTG_PAD_CTL1_HS_IREF_CAP_SHIFT);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_USB2_OTG_PADX_CTL1(index));
|
|
|
|
err = regulator_enable(port->supply);
|
|
if (err)
|
|
return err;
|
|
|
|
mutex_lock(&pad->lock);
|
|
|
|
if (pad->enable++ > 0)
|
|
goto out;
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_USB2_BIAS_PAD_CTL0);
|
|
value &= ~XUSB_PADCTL_USB2_BIAS_PAD_CTL0_PD;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_USB2_BIAS_PAD_CTL0);
|
|
|
|
out:
|
|
mutex_unlock(&pad->lock);
|
|
return 0;
|
|
}
|
|
|
|
static int tegra124_usb2_phy_power_off(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
struct tegra_xusb_usb2_pad *pad = to_usb2_pad(lane->pad);
|
|
struct tegra_xusb_padctl *padctl = lane->pad->padctl;
|
|
struct tegra_xusb_usb2_port *port;
|
|
u32 value;
|
|
|
|
port = tegra_xusb_find_usb2_port(padctl, lane->index);
|
|
if (!port) {
|
|
dev_err(&phy->dev, "no port found for USB2 lane %u\n",
|
|
lane->index);
|
|
return -ENODEV;
|
|
}
|
|
|
|
mutex_lock(&pad->lock);
|
|
|
|
if (WARN_ON(pad->enable == 0))
|
|
goto out;
|
|
|
|
if (--pad->enable > 0)
|
|
goto out;
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_USB2_BIAS_PAD_CTL0);
|
|
value |= XUSB_PADCTL_USB2_BIAS_PAD_CTL0_PD;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_USB2_BIAS_PAD_CTL0);
|
|
|
|
out:
|
|
regulator_disable(port->supply);
|
|
mutex_unlock(&pad->lock);
|
|
return 0;
|
|
}
|
|
|
|
static const struct phy_ops tegra124_usb2_phy_ops = {
|
|
.init = tegra124_usb2_phy_init,
|
|
.exit = tegra124_usb2_phy_exit,
|
|
.power_on = tegra124_usb2_phy_power_on,
|
|
.power_off = tegra124_usb2_phy_power_off,
|
|
.owner = THIS_MODULE,
|
|
};
|
|
|
|
static struct tegra_xusb_pad *
|
|
tegra124_usb2_pad_probe(struct tegra_xusb_padctl *padctl,
|
|
const struct tegra_xusb_pad_soc *soc,
|
|
struct device_node *np)
|
|
{
|
|
struct tegra_xusb_usb2_pad *usb2;
|
|
struct tegra_xusb_pad *pad;
|
|
int err;
|
|
|
|
usb2 = kzalloc(sizeof(*usb2), GFP_KERNEL);
|
|
if (!usb2)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
mutex_init(&usb2->lock);
|
|
|
|
pad = &usb2->base;
|
|
pad->ops = &tegra124_usb2_lane_ops;
|
|
pad->soc = soc;
|
|
|
|
err = tegra_xusb_pad_init(pad, padctl, np);
|
|
if (err < 0) {
|
|
kfree(usb2);
|
|
goto out;
|
|
}
|
|
|
|
err = tegra_xusb_pad_register(pad, &tegra124_usb2_phy_ops);
|
|
if (err < 0)
|
|
goto unregister;
|
|
|
|
dev_set_drvdata(&pad->dev, pad);
|
|
|
|
return pad;
|
|
|
|
unregister:
|
|
device_unregister(&pad->dev);
|
|
out:
|
|
return ERR_PTR(err);
|
|
}
|
|
|
|
static void tegra124_usb2_pad_remove(struct tegra_xusb_pad *pad)
|
|
{
|
|
struct tegra_xusb_usb2_pad *usb2 = to_usb2_pad(pad);
|
|
|
|
kfree(usb2);
|
|
}
|
|
|
|
static const struct tegra_xusb_pad_ops tegra124_usb2_ops = {
|
|
.probe = tegra124_usb2_pad_probe,
|
|
.remove = tegra124_usb2_pad_remove,
|
|
};
|
|
|
|
static const struct tegra_xusb_pad_soc tegra124_usb2_pad = {
|
|
.name = "usb2",
|
|
.num_lanes = ARRAY_SIZE(tegra124_usb2_lanes),
|
|
.lanes = tegra124_usb2_lanes,
|
|
.ops = &tegra124_usb2_ops,
|
|
};
|
|
|
|
static const char * const tegra124_ulpi_functions[] = {
|
|
"snps",
|
|
"xusb",
|
|
};
|
|
|
|
static const struct tegra_xusb_lane_soc tegra124_ulpi_lanes[] = {
|
|
TEGRA124_LANE("ulpi-0", 0x004, 12, 0x1, ulpi),
|
|
};
|
|
|
|
static struct tegra_xusb_lane *
|
|
tegra124_ulpi_lane_probe(struct tegra_xusb_pad *pad, struct device_node *np,
|
|
unsigned int index)
|
|
{
|
|
struct tegra_xusb_ulpi_lane *ulpi;
|
|
int err;
|
|
|
|
ulpi = kzalloc(sizeof(*ulpi), GFP_KERNEL);
|
|
if (!ulpi)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
INIT_LIST_HEAD(&ulpi->base.list);
|
|
ulpi->base.soc = &pad->soc->lanes[index];
|
|
ulpi->base.index = index;
|
|
ulpi->base.pad = pad;
|
|
ulpi->base.np = np;
|
|
|
|
err = tegra_xusb_lane_parse_dt(&ulpi->base, np);
|
|
if (err < 0) {
|
|
kfree(ulpi);
|
|
return ERR_PTR(err);
|
|
}
|
|
|
|
return &ulpi->base;
|
|
}
|
|
|
|
static void tegra124_ulpi_lane_remove(struct tegra_xusb_lane *lane)
|
|
{
|
|
struct tegra_xusb_ulpi_lane *ulpi = to_ulpi_lane(lane);
|
|
|
|
kfree(ulpi);
|
|
}
|
|
|
|
static const struct tegra_xusb_lane_ops tegra124_ulpi_lane_ops = {
|
|
.probe = tegra124_ulpi_lane_probe,
|
|
.remove = tegra124_ulpi_lane_remove,
|
|
};
|
|
|
|
static int tegra124_ulpi_phy_init(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
|
|
return tegra124_xusb_padctl_enable(lane->pad->padctl);
|
|
}
|
|
|
|
static int tegra124_ulpi_phy_exit(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
|
|
return tegra124_xusb_padctl_disable(lane->pad->padctl);
|
|
}
|
|
|
|
static int tegra124_ulpi_phy_power_on(struct phy *phy)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int tegra124_ulpi_phy_power_off(struct phy *phy)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static const struct phy_ops tegra124_ulpi_phy_ops = {
|
|
.init = tegra124_ulpi_phy_init,
|
|
.exit = tegra124_ulpi_phy_exit,
|
|
.power_on = tegra124_ulpi_phy_power_on,
|
|
.power_off = tegra124_ulpi_phy_power_off,
|
|
.owner = THIS_MODULE,
|
|
};
|
|
|
|
static struct tegra_xusb_pad *
|
|
tegra124_ulpi_pad_probe(struct tegra_xusb_padctl *padctl,
|
|
const struct tegra_xusb_pad_soc *soc,
|
|
struct device_node *np)
|
|
{
|
|
struct tegra_xusb_ulpi_pad *ulpi;
|
|
struct tegra_xusb_pad *pad;
|
|
int err;
|
|
|
|
ulpi = kzalloc(sizeof(*ulpi), GFP_KERNEL);
|
|
if (!ulpi)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
pad = &ulpi->base;
|
|
pad->ops = &tegra124_ulpi_lane_ops;
|
|
pad->soc = soc;
|
|
|
|
err = tegra_xusb_pad_init(pad, padctl, np);
|
|
if (err < 0) {
|
|
kfree(ulpi);
|
|
goto out;
|
|
}
|
|
|
|
err = tegra_xusb_pad_register(pad, &tegra124_ulpi_phy_ops);
|
|
if (err < 0)
|
|
goto unregister;
|
|
|
|
dev_set_drvdata(&pad->dev, pad);
|
|
|
|
return pad;
|
|
|
|
unregister:
|
|
device_unregister(&pad->dev);
|
|
out:
|
|
return ERR_PTR(err);
|
|
}
|
|
|
|
static void tegra124_ulpi_pad_remove(struct tegra_xusb_pad *pad)
|
|
{
|
|
struct tegra_xusb_ulpi_pad *ulpi = to_ulpi_pad(pad);
|
|
|
|
kfree(ulpi);
|
|
}
|
|
|
|
static const struct tegra_xusb_pad_ops tegra124_ulpi_ops = {
|
|
.probe = tegra124_ulpi_pad_probe,
|
|
.remove = tegra124_ulpi_pad_remove,
|
|
};
|
|
|
|
static const struct tegra_xusb_pad_soc tegra124_ulpi_pad = {
|
|
.name = "ulpi",
|
|
.num_lanes = ARRAY_SIZE(tegra124_ulpi_lanes),
|
|
.lanes = tegra124_ulpi_lanes,
|
|
.ops = &tegra124_ulpi_ops,
|
|
};
|
|
|
|
static const char * const tegra124_hsic_functions[] = {
|
|
"snps",
|
|
"xusb",
|
|
};
|
|
|
|
static const struct tegra_xusb_lane_soc tegra124_hsic_lanes[] = {
|
|
TEGRA124_LANE("hsic-0", 0x004, 14, 0x1, hsic),
|
|
TEGRA124_LANE("hsic-1", 0x004, 15, 0x1, hsic),
|
|
};
|
|
|
|
static struct tegra_xusb_lane *
|
|
tegra124_hsic_lane_probe(struct tegra_xusb_pad *pad, struct device_node *np,
|
|
unsigned int index)
|
|
{
|
|
struct tegra_xusb_hsic_lane *hsic;
|
|
int err;
|
|
|
|
hsic = kzalloc(sizeof(*hsic), GFP_KERNEL);
|
|
if (!hsic)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
INIT_LIST_HEAD(&hsic->base.list);
|
|
hsic->base.soc = &pad->soc->lanes[index];
|
|
hsic->base.index = index;
|
|
hsic->base.pad = pad;
|
|
hsic->base.np = np;
|
|
|
|
err = tegra_xusb_lane_parse_dt(&hsic->base, np);
|
|
if (err < 0) {
|
|
kfree(hsic);
|
|
return ERR_PTR(err);
|
|
}
|
|
|
|
return &hsic->base;
|
|
}
|
|
|
|
static void tegra124_hsic_lane_remove(struct tegra_xusb_lane *lane)
|
|
{
|
|
struct tegra_xusb_hsic_lane *hsic = to_hsic_lane(lane);
|
|
|
|
kfree(hsic);
|
|
}
|
|
|
|
static const struct tegra_xusb_lane_ops tegra124_hsic_lane_ops = {
|
|
.probe = tegra124_hsic_lane_probe,
|
|
.remove = tegra124_hsic_lane_remove,
|
|
};
|
|
|
|
static int tegra124_hsic_phy_init(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
|
|
return tegra124_xusb_padctl_enable(lane->pad->padctl);
|
|
}
|
|
|
|
static int tegra124_hsic_phy_exit(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
|
|
return tegra124_xusb_padctl_disable(lane->pad->padctl);
|
|
}
|
|
|
|
static int tegra124_hsic_phy_power_on(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
struct tegra_xusb_hsic_lane *hsic = to_hsic_lane(lane);
|
|
struct tegra_xusb_hsic_pad *pad = to_hsic_pad(lane->pad);
|
|
struct tegra_xusb_padctl *padctl = lane->pad->padctl;
|
|
unsigned int index = lane->index;
|
|
u32 value;
|
|
int err;
|
|
|
|
err = regulator_enable(pad->supply);
|
|
if (err)
|
|
return err;
|
|
|
|
padctl_writel(padctl, hsic->strobe_trim,
|
|
XUSB_PADCTL_HSIC_STRB_TRIM_CONTROL);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PADX_CTL1(index));
|
|
|
|
if (hsic->auto_term)
|
|
value |= XUSB_PADCTL_HSIC_PAD_CTL1_AUTO_TERM_EN;
|
|
else
|
|
value &= ~XUSB_PADCTL_HSIC_PAD_CTL1_AUTO_TERM_EN;
|
|
|
|
padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PADX_CTL1(index));
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PADX_CTL0(index));
|
|
value &= ~((XUSB_PADCTL_HSIC_PAD_CTL0_TX_RTUNEN_MASK <<
|
|
XUSB_PADCTL_HSIC_PAD_CTL0_TX_RTUNEN_SHIFT) |
|
|
(XUSB_PADCTL_HSIC_PAD_CTL0_TX_RTUNEP_MASK <<
|
|
XUSB_PADCTL_HSIC_PAD_CTL0_TX_RTUNEP_SHIFT) |
|
|
(XUSB_PADCTL_HSIC_PAD_CTL0_TX_RSLEWN_MASK <<
|
|
XUSB_PADCTL_HSIC_PAD_CTL0_TX_RSLEWN_SHIFT) |
|
|
(XUSB_PADCTL_HSIC_PAD_CTL0_TX_RSLEWP_MASK <<
|
|
XUSB_PADCTL_HSIC_PAD_CTL0_TX_RSLEWP_SHIFT));
|
|
value |= (hsic->tx_rtune_n <<
|
|
XUSB_PADCTL_HSIC_PAD_CTL0_TX_RTUNEN_SHIFT) |
|
|
(hsic->tx_rtune_p <<
|
|
XUSB_PADCTL_HSIC_PAD_CTL0_TX_RTUNEP_SHIFT) |
|
|
(hsic->tx_rslew_n <<
|
|
XUSB_PADCTL_HSIC_PAD_CTL0_TX_RSLEWN_SHIFT) |
|
|
(hsic->tx_rslew_p <<
|
|
XUSB_PADCTL_HSIC_PAD_CTL0_TX_RSLEWP_SHIFT);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PADX_CTL0(index));
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PADX_CTL2(index));
|
|
value &= ~((XUSB_PADCTL_HSIC_PAD_CTL2_RX_STROBE_TRIM_MASK <<
|
|
XUSB_PADCTL_HSIC_PAD_CTL2_RX_STROBE_TRIM_SHIFT) |
|
|
(XUSB_PADCTL_HSIC_PAD_CTL2_RX_DATA_TRIM_MASK <<
|
|
XUSB_PADCTL_HSIC_PAD_CTL2_RX_DATA_TRIM_SHIFT));
|
|
value |= (hsic->rx_strobe_trim <<
|
|
XUSB_PADCTL_HSIC_PAD_CTL2_RX_STROBE_TRIM_SHIFT) |
|
|
(hsic->rx_data_trim <<
|
|
XUSB_PADCTL_HSIC_PAD_CTL2_RX_DATA_TRIM_SHIFT);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PADX_CTL2(index));
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PADX_CTL1(index));
|
|
value &= ~(XUSB_PADCTL_HSIC_PAD_CTL1_RPD_STROBE |
|
|
XUSB_PADCTL_HSIC_PAD_CTL1_RPU_DATA |
|
|
XUSB_PADCTL_HSIC_PAD_CTL1_PD_RX |
|
|
XUSB_PADCTL_HSIC_PAD_CTL1_PD_ZI |
|
|
XUSB_PADCTL_HSIC_PAD_CTL1_PD_TRX |
|
|
XUSB_PADCTL_HSIC_PAD_CTL1_PD_TX);
|
|
value |= XUSB_PADCTL_HSIC_PAD_CTL1_RPD_DATA |
|
|
XUSB_PADCTL_HSIC_PAD_CTL1_RPU_STROBE;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PADX_CTL1(index));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int tegra124_hsic_phy_power_off(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
struct tegra_xusb_hsic_pad *pad = to_hsic_pad(lane->pad);
|
|
struct tegra_xusb_padctl *padctl = lane->pad->padctl;
|
|
unsigned int index = lane->index;
|
|
u32 value;
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PADX_CTL1(index));
|
|
value |= XUSB_PADCTL_HSIC_PAD_CTL1_PD_RX |
|
|
XUSB_PADCTL_HSIC_PAD_CTL1_PD_ZI |
|
|
XUSB_PADCTL_HSIC_PAD_CTL1_PD_TRX |
|
|
XUSB_PADCTL_HSIC_PAD_CTL1_PD_TX;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PADX_CTL1(index));
|
|
|
|
regulator_disable(pad->supply);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct phy_ops tegra124_hsic_phy_ops = {
|
|
.init = tegra124_hsic_phy_init,
|
|
.exit = tegra124_hsic_phy_exit,
|
|
.power_on = tegra124_hsic_phy_power_on,
|
|
.power_off = tegra124_hsic_phy_power_off,
|
|
.owner = THIS_MODULE,
|
|
};
|
|
|
|
static struct tegra_xusb_pad *
|
|
tegra124_hsic_pad_probe(struct tegra_xusb_padctl *padctl,
|
|
const struct tegra_xusb_pad_soc *soc,
|
|
struct device_node *np)
|
|
{
|
|
struct tegra_xusb_hsic_pad *hsic;
|
|
struct tegra_xusb_pad *pad;
|
|
int err;
|
|
|
|
hsic = kzalloc(sizeof(*hsic), GFP_KERNEL);
|
|
if (!hsic)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
pad = &hsic->base;
|
|
pad->ops = &tegra124_hsic_lane_ops;
|
|
pad->soc = soc;
|
|
|
|
err = tegra_xusb_pad_init(pad, padctl, np);
|
|
if (err < 0) {
|
|
kfree(hsic);
|
|
goto out;
|
|
}
|
|
|
|
err = tegra_xusb_pad_register(pad, &tegra124_hsic_phy_ops);
|
|
if (err < 0)
|
|
goto unregister;
|
|
|
|
dev_set_drvdata(&pad->dev, pad);
|
|
|
|
return pad;
|
|
|
|
unregister:
|
|
device_unregister(&pad->dev);
|
|
out:
|
|
return ERR_PTR(err);
|
|
}
|
|
|
|
static void tegra124_hsic_pad_remove(struct tegra_xusb_pad *pad)
|
|
{
|
|
struct tegra_xusb_hsic_pad *hsic = to_hsic_pad(pad);
|
|
|
|
kfree(hsic);
|
|
}
|
|
|
|
static const struct tegra_xusb_pad_ops tegra124_hsic_ops = {
|
|
.probe = tegra124_hsic_pad_probe,
|
|
.remove = tegra124_hsic_pad_remove,
|
|
};
|
|
|
|
static const struct tegra_xusb_pad_soc tegra124_hsic_pad = {
|
|
.name = "hsic",
|
|
.num_lanes = ARRAY_SIZE(tegra124_hsic_lanes),
|
|
.lanes = tegra124_hsic_lanes,
|
|
.ops = &tegra124_hsic_ops,
|
|
};
|
|
|
|
static const char * const tegra124_pcie_functions[] = {
|
|
"pcie",
|
|
"usb3-ss",
|
|
"sata",
|
|
};
|
|
|
|
static const struct tegra_xusb_lane_soc tegra124_pcie_lanes[] = {
|
|
TEGRA124_LANE("pcie-0", 0x134, 16, 0x3, pcie),
|
|
TEGRA124_LANE("pcie-1", 0x134, 18, 0x3, pcie),
|
|
TEGRA124_LANE("pcie-2", 0x134, 20, 0x3, pcie),
|
|
TEGRA124_LANE("pcie-3", 0x134, 22, 0x3, pcie),
|
|
TEGRA124_LANE("pcie-4", 0x134, 24, 0x3, pcie),
|
|
};
|
|
|
|
static struct tegra_xusb_lane *
|
|
tegra124_pcie_lane_probe(struct tegra_xusb_pad *pad, struct device_node *np,
|
|
unsigned int index)
|
|
{
|
|
struct tegra_xusb_pcie_lane *pcie;
|
|
int err;
|
|
|
|
pcie = kzalloc(sizeof(*pcie), GFP_KERNEL);
|
|
if (!pcie)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
INIT_LIST_HEAD(&pcie->base.list);
|
|
pcie->base.soc = &pad->soc->lanes[index];
|
|
pcie->base.index = index;
|
|
pcie->base.pad = pad;
|
|
pcie->base.np = np;
|
|
|
|
err = tegra_xusb_lane_parse_dt(&pcie->base, np);
|
|
if (err < 0) {
|
|
kfree(pcie);
|
|
return ERR_PTR(err);
|
|
}
|
|
|
|
return &pcie->base;
|
|
}
|
|
|
|
static void tegra124_pcie_lane_remove(struct tegra_xusb_lane *lane)
|
|
{
|
|
struct tegra_xusb_pcie_lane *pcie = to_pcie_lane(lane);
|
|
|
|
kfree(pcie);
|
|
}
|
|
|
|
static const struct tegra_xusb_lane_ops tegra124_pcie_lane_ops = {
|
|
.probe = tegra124_pcie_lane_probe,
|
|
.remove = tegra124_pcie_lane_remove,
|
|
};
|
|
|
|
static int tegra124_pcie_phy_init(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
|
|
return tegra124_xusb_padctl_enable(lane->pad->padctl);
|
|
}
|
|
|
|
static int tegra124_pcie_phy_exit(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
|
|
return tegra124_xusb_padctl_disable(lane->pad->padctl);
|
|
}
|
|
|
|
static int tegra124_pcie_phy_power_on(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
struct tegra_xusb_padctl *padctl = lane->pad->padctl;
|
|
unsigned long timeout;
|
|
int err = -ETIMEDOUT;
|
|
u32 value;
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
|
|
value &= ~XUSB_PADCTL_IOPHY_PLL_P0_CTL1_REFCLK_SEL_MASK;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL2);
|
|
value |= XUSB_PADCTL_IOPHY_PLL_P0_CTL2_REFCLKBUF_EN |
|
|
XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_EN |
|
|
XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_SEL;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL2);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
|
|
value |= XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL_RST;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
|
|
|
|
timeout = jiffies + msecs_to_jiffies(50);
|
|
|
|
while (time_before(jiffies, timeout)) {
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
|
|
if (value & XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL0_LOCKDET) {
|
|
err = 0;
|
|
break;
|
|
}
|
|
|
|
usleep_range(100, 200);
|
|
}
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_USB3_PAD_MUX);
|
|
value |= XUSB_PADCTL_USB3_PAD_MUX_PCIE_IDDQ_DISABLE(lane->index);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_USB3_PAD_MUX);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int tegra124_pcie_phy_power_off(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
struct tegra_xusb_padctl *padctl = lane->pad->padctl;
|
|
u32 value;
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_USB3_PAD_MUX);
|
|
value &= ~XUSB_PADCTL_USB3_PAD_MUX_PCIE_IDDQ_DISABLE(lane->index);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_USB3_PAD_MUX);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
|
|
value &= ~XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL_RST;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct phy_ops tegra124_pcie_phy_ops = {
|
|
.init = tegra124_pcie_phy_init,
|
|
.exit = tegra124_pcie_phy_exit,
|
|
.power_on = tegra124_pcie_phy_power_on,
|
|
.power_off = tegra124_pcie_phy_power_off,
|
|
.owner = THIS_MODULE,
|
|
};
|
|
|
|
static struct tegra_xusb_pad *
|
|
tegra124_pcie_pad_probe(struct tegra_xusb_padctl *padctl,
|
|
const struct tegra_xusb_pad_soc *soc,
|
|
struct device_node *np)
|
|
{
|
|
struct tegra_xusb_pcie_pad *pcie;
|
|
struct tegra_xusb_pad *pad;
|
|
int err;
|
|
|
|
pcie = kzalloc(sizeof(*pcie), GFP_KERNEL);
|
|
if (!pcie)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
pad = &pcie->base;
|
|
pad->ops = &tegra124_pcie_lane_ops;
|
|
pad->soc = soc;
|
|
|
|
err = tegra_xusb_pad_init(pad, padctl, np);
|
|
if (err < 0) {
|
|
kfree(pcie);
|
|
goto out;
|
|
}
|
|
|
|
err = tegra_xusb_pad_register(pad, &tegra124_pcie_phy_ops);
|
|
if (err < 0)
|
|
goto unregister;
|
|
|
|
dev_set_drvdata(&pad->dev, pad);
|
|
|
|
return pad;
|
|
|
|
unregister:
|
|
device_unregister(&pad->dev);
|
|
out:
|
|
return ERR_PTR(err);
|
|
}
|
|
|
|
static void tegra124_pcie_pad_remove(struct tegra_xusb_pad *pad)
|
|
{
|
|
struct tegra_xusb_pcie_pad *pcie = to_pcie_pad(pad);
|
|
|
|
kfree(pcie);
|
|
}
|
|
|
|
static const struct tegra_xusb_pad_ops tegra124_pcie_ops = {
|
|
.probe = tegra124_pcie_pad_probe,
|
|
.remove = tegra124_pcie_pad_remove,
|
|
};
|
|
|
|
static const struct tegra_xusb_pad_soc tegra124_pcie_pad = {
|
|
.name = "pcie",
|
|
.num_lanes = ARRAY_SIZE(tegra124_pcie_lanes),
|
|
.lanes = tegra124_pcie_lanes,
|
|
.ops = &tegra124_pcie_ops,
|
|
};
|
|
|
|
static const struct tegra_xusb_lane_soc tegra124_sata_lanes[] = {
|
|
TEGRA124_LANE("sata-0", 0x134, 26, 0x3, pcie),
|
|
};
|
|
|
|
static struct tegra_xusb_lane *
|
|
tegra124_sata_lane_probe(struct tegra_xusb_pad *pad, struct device_node *np,
|
|
unsigned int index)
|
|
{
|
|
struct tegra_xusb_sata_lane *sata;
|
|
int err;
|
|
|
|
sata = kzalloc(sizeof(*sata), GFP_KERNEL);
|
|
if (!sata)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
INIT_LIST_HEAD(&sata->base.list);
|
|
sata->base.soc = &pad->soc->lanes[index];
|
|
sata->base.index = index;
|
|
sata->base.pad = pad;
|
|
sata->base.np = np;
|
|
|
|
err = tegra_xusb_lane_parse_dt(&sata->base, np);
|
|
if (err < 0) {
|
|
kfree(sata);
|
|
return ERR_PTR(err);
|
|
}
|
|
|
|
return &sata->base;
|
|
}
|
|
|
|
static void tegra124_sata_lane_remove(struct tegra_xusb_lane *lane)
|
|
{
|
|
struct tegra_xusb_sata_lane *sata = to_sata_lane(lane);
|
|
|
|
kfree(sata);
|
|
}
|
|
|
|
static const struct tegra_xusb_lane_ops tegra124_sata_lane_ops = {
|
|
.probe = tegra124_sata_lane_probe,
|
|
.remove = tegra124_sata_lane_remove,
|
|
};
|
|
|
|
static int tegra124_sata_phy_init(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
|
|
return tegra124_xusb_padctl_enable(lane->pad->padctl);
|
|
}
|
|
|
|
static int tegra124_sata_phy_exit(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
|
|
return tegra124_xusb_padctl_disable(lane->pad->padctl);
|
|
}
|
|
|
|
static int tegra124_sata_phy_power_on(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
struct tegra_xusb_padctl *padctl = lane->pad->padctl;
|
|
unsigned long timeout;
|
|
int err = -ETIMEDOUT;
|
|
u32 value;
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
|
|
value &= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ_OVRD;
|
|
value &= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
|
|
value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_PWR_OVRD;
|
|
value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_IDDQ;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
|
|
value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_MODE;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
|
|
value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_RST;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
|
|
|
|
timeout = jiffies + msecs_to_jiffies(50);
|
|
|
|
while (time_before(jiffies, timeout)) {
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
|
|
if (value & XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_LOCKDET) {
|
|
err = 0;
|
|
break;
|
|
}
|
|
|
|
usleep_range(100, 200);
|
|
}
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_USB3_PAD_MUX);
|
|
value |= XUSB_PADCTL_USB3_PAD_MUX_SATA_IDDQ_DISABLE(lane->index);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_USB3_PAD_MUX);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int tegra124_sata_phy_power_off(struct phy *phy)
|
|
{
|
|
struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
|
|
struct tegra_xusb_padctl *padctl = lane->pad->padctl;
|
|
u32 value;
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_USB3_PAD_MUX);
|
|
value &= ~XUSB_PADCTL_USB3_PAD_MUX_SATA_IDDQ_DISABLE(lane->index);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_USB3_PAD_MUX);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
|
|
value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_RST;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
|
|
value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_MODE;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
|
|
value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_PWR_OVRD;
|
|
value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_IDDQ;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
|
|
value |= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ_OVRD;
|
|
value |= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct phy_ops tegra124_sata_phy_ops = {
|
|
.init = tegra124_sata_phy_init,
|
|
.exit = tegra124_sata_phy_exit,
|
|
.power_on = tegra124_sata_phy_power_on,
|
|
.power_off = tegra124_sata_phy_power_off,
|
|
.owner = THIS_MODULE,
|
|
};
|
|
|
|
static struct tegra_xusb_pad *
|
|
tegra124_sata_pad_probe(struct tegra_xusb_padctl *padctl,
|
|
const struct tegra_xusb_pad_soc *soc,
|
|
struct device_node *np)
|
|
{
|
|
struct tegra_xusb_sata_pad *sata;
|
|
struct tegra_xusb_pad *pad;
|
|
int err;
|
|
|
|
sata = kzalloc(sizeof(*sata), GFP_KERNEL);
|
|
if (!sata)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
pad = &sata->base;
|
|
pad->ops = &tegra124_sata_lane_ops;
|
|
pad->soc = soc;
|
|
|
|
err = tegra_xusb_pad_init(pad, padctl, np);
|
|
if (err < 0) {
|
|
kfree(sata);
|
|
goto out;
|
|
}
|
|
|
|
err = tegra_xusb_pad_register(pad, &tegra124_sata_phy_ops);
|
|
if (err < 0)
|
|
goto unregister;
|
|
|
|
dev_set_drvdata(&pad->dev, pad);
|
|
|
|
return pad;
|
|
|
|
unregister:
|
|
device_unregister(&pad->dev);
|
|
out:
|
|
return ERR_PTR(err);
|
|
}
|
|
|
|
static void tegra124_sata_pad_remove(struct tegra_xusb_pad *pad)
|
|
{
|
|
struct tegra_xusb_sata_pad *sata = to_sata_pad(pad);
|
|
|
|
kfree(sata);
|
|
}
|
|
|
|
static const struct tegra_xusb_pad_ops tegra124_sata_ops = {
|
|
.probe = tegra124_sata_pad_probe,
|
|
.remove = tegra124_sata_pad_remove,
|
|
};
|
|
|
|
static const struct tegra_xusb_pad_soc tegra124_sata_pad = {
|
|
.name = "sata",
|
|
.num_lanes = ARRAY_SIZE(tegra124_sata_lanes),
|
|
.lanes = tegra124_sata_lanes,
|
|
.ops = &tegra124_sata_ops,
|
|
};
|
|
|
|
static const struct tegra_xusb_pad_soc *tegra124_pads[] = {
|
|
&tegra124_usb2_pad,
|
|
&tegra124_ulpi_pad,
|
|
&tegra124_hsic_pad,
|
|
&tegra124_pcie_pad,
|
|
&tegra124_sata_pad,
|
|
};
|
|
|
|
static int tegra124_usb2_port_enable(struct tegra_xusb_port *port)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void tegra124_usb2_port_disable(struct tegra_xusb_port *port)
|
|
{
|
|
}
|
|
|
|
static struct tegra_xusb_lane *
|
|
tegra124_usb2_port_map(struct tegra_xusb_port *port)
|
|
{
|
|
return tegra_xusb_find_lane(port->padctl, "usb2", port->index);
|
|
}
|
|
|
|
static const struct tegra_xusb_port_ops tegra124_usb2_port_ops = {
|
|
.release = tegra_xusb_usb2_port_release,
|
|
.remove = tegra_xusb_usb2_port_remove,
|
|
.enable = tegra124_usb2_port_enable,
|
|
.disable = tegra124_usb2_port_disable,
|
|
.map = tegra124_usb2_port_map,
|
|
};
|
|
|
|
static int tegra124_ulpi_port_enable(struct tegra_xusb_port *port)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void tegra124_ulpi_port_disable(struct tegra_xusb_port *port)
|
|
{
|
|
}
|
|
|
|
static struct tegra_xusb_lane *
|
|
tegra124_ulpi_port_map(struct tegra_xusb_port *port)
|
|
{
|
|
return tegra_xusb_find_lane(port->padctl, "ulpi", port->index);
|
|
}
|
|
|
|
static const struct tegra_xusb_port_ops tegra124_ulpi_port_ops = {
|
|
.release = tegra_xusb_ulpi_port_release,
|
|
.enable = tegra124_ulpi_port_enable,
|
|
.disable = tegra124_ulpi_port_disable,
|
|
.map = tegra124_ulpi_port_map,
|
|
};
|
|
|
|
static int tegra124_hsic_port_enable(struct tegra_xusb_port *port)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void tegra124_hsic_port_disable(struct tegra_xusb_port *port)
|
|
{
|
|
}
|
|
|
|
static struct tegra_xusb_lane *
|
|
tegra124_hsic_port_map(struct tegra_xusb_port *port)
|
|
{
|
|
return tegra_xusb_find_lane(port->padctl, "hsic", port->index);
|
|
}
|
|
|
|
static const struct tegra_xusb_port_ops tegra124_hsic_port_ops = {
|
|
.release = tegra_xusb_hsic_port_release,
|
|
.enable = tegra124_hsic_port_enable,
|
|
.disable = tegra124_hsic_port_disable,
|
|
.map = tegra124_hsic_port_map,
|
|
};
|
|
|
|
static int tegra124_usb3_port_enable(struct tegra_xusb_port *port)
|
|
{
|
|
struct tegra_xusb_usb3_port *usb3 = to_usb3_port(port);
|
|
struct tegra_xusb_padctl *padctl = port->padctl;
|
|
struct tegra_xusb_lane *lane = usb3->base.lane;
|
|
unsigned int index = port->index, offset;
|
|
u32 value;
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_SS_PORT_MAP);
|
|
|
|
if (!usb3->internal)
|
|
value &= ~XUSB_PADCTL_SS_PORT_MAP_PORTX_INTERNAL(index);
|
|
else
|
|
value |= XUSB_PADCTL_SS_PORT_MAP_PORTX_INTERNAL(index);
|
|
|
|
value &= ~XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP_MASK(index);
|
|
value |= XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP(index, usb3->port);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_SS_PORT_MAP);
|
|
|
|
/*
|
|
* TODO: move this code into the PCIe/SATA PHY ->power_on() callbacks
|
|
* and conditionalize based on mux function? This seems to work, but
|
|
* might not be the exact proper sequence.
|
|
*/
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_USB3_PADX_CTL2(index));
|
|
value &= ~((XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_WANDER_MASK <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_WANDER_SHIFT) |
|
|
(XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_MASK <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_SHIFT) |
|
|
(XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_CDR_CNTL_MASK <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_CDR_CNTL_SHIFT));
|
|
value |= (XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_WANDER_VAL <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_WANDER_SHIFT) |
|
|
(XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_CDR_CNTL_VAL <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_CDR_CNTL_SHIFT) |
|
|
(XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_VAL <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_SHIFT);
|
|
|
|
if (usb3->context_saved) {
|
|
value &= ~((XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_G_MASK <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_G_SHIFT) |
|
|
(XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_Z_MASK <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_Z_SHIFT));
|
|
value |= (usb3->ctle_g <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_G_SHIFT) |
|
|
(usb3->ctle_z <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL2_RX_EQ_Z_SHIFT);
|
|
}
|
|
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_USB3_PADX_CTL2(index));
|
|
|
|
value = XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_VAL;
|
|
|
|
if (usb3->context_saved) {
|
|
value &= ~((XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_TAP_MASK <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_TAP_SHIFT) |
|
|
(XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_AMP_MASK <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_AMP_SHIFT));
|
|
value |= (usb3->tap1 <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_TAP_SHIFT) |
|
|
(usb3->amp <<
|
|
XUSB_PADCTL_IOPHY_USB3_PAD_CTL4_DFE_CNTL_AMP_SHIFT);
|
|
}
|
|
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_USB3_PADX_CTL4(index));
|
|
|
|
if (lane->pad == padctl->pcie)
|
|
offset = XUSB_PADCTL_IOPHY_MISC_PAD_PX_CTL2(lane->index);
|
|
else
|
|
offset = XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL2;
|
|
|
|
value = padctl_readl(padctl, offset);
|
|
value &= ~(XUSB_PADCTL_IOPHY_MISC_PAD_CTL2_SPARE_IN_MASK <<
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL2_SPARE_IN_SHIFT);
|
|
value |= XUSB_PADCTL_IOPHY_MISC_PAD_CTL2_SPARE_IN_VAL <<
|
|
XUSB_PADCTL_IOPHY_MISC_PAD_CTL2_SPARE_IN_SHIFT;
|
|
padctl_writel(padctl, value, offset);
|
|
|
|
if (lane->pad == padctl->pcie)
|
|
offset = XUSB_PADCTL_IOPHY_MISC_PAD_PX_CTL5(lane->index);
|
|
else
|
|
offset = XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL5;
|
|
|
|
value = padctl_readl(padctl, offset);
|
|
value |= XUSB_PADCTL_IOPHY_MISC_PAD_CTL5_RX_QEYE_EN;
|
|
padctl_writel(padctl, value, offset);
|
|
|
|
/* Enable SATA PHY when SATA lane is used */
|
|
if (lane->pad == padctl->sata) {
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
|
|
value &= ~(XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL0_REFCLK_NDIV_MASK <<
|
|
XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL0_REFCLK_NDIV_SHIFT);
|
|
value |= 0x2 <<
|
|
XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL0_REFCLK_NDIV_SHIFT;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL2);
|
|
value &= ~((XUSB_PADCTL_IOPHY_PLL_S0_CTL2_XDIGCLK_SEL_MASK <<
|
|
XUSB_PADCTL_IOPHY_PLL_S0_CTL2_XDIGCLK_SEL_SHIFT) |
|
|
(XUSB_PADCTL_IOPHY_PLL_S0_CTL2_PLL1_CP_CNTL_MASK <<
|
|
XUSB_PADCTL_IOPHY_PLL_S0_CTL2_PLL1_CP_CNTL_SHIFT) |
|
|
(XUSB_PADCTL_IOPHY_PLL_S0_CTL2_PLL0_CP_CNTL_MASK <<
|
|
XUSB_PADCTL_IOPHY_PLL_S0_CTL2_PLL0_CP_CNTL_SHIFT) |
|
|
XUSB_PADCTL_IOPHY_PLL_S0_CTL2_TCLKOUT_EN);
|
|
value |= (0x7 <<
|
|
XUSB_PADCTL_IOPHY_PLL_S0_CTL2_XDIGCLK_SEL_SHIFT) |
|
|
(0x8 <<
|
|
XUSB_PADCTL_IOPHY_PLL_S0_CTL2_PLL1_CP_CNTL_SHIFT) |
|
|
(0x8 <<
|
|
XUSB_PADCTL_IOPHY_PLL_S0_CTL2_PLL0_CP_CNTL_SHIFT) |
|
|
XUSB_PADCTL_IOPHY_PLL_S0_CTL2_TXCLKREF_SEL;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL2);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL3);
|
|
value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL3_RCAL_BYPASS;
|
|
padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL3);
|
|
}
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
|
|
value &= ~XUSB_PADCTL_ELPG_PROGRAM_SSPX_ELPG_VCORE_DOWN(index);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
|
|
|
|
usleep_range(100, 200);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
|
|
value &= ~XUSB_PADCTL_ELPG_PROGRAM_SSPX_ELPG_CLAMP_EN_EARLY(index);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
|
|
|
|
usleep_range(100, 200);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
|
|
value &= ~XUSB_PADCTL_ELPG_PROGRAM_SSPX_ELPG_CLAMP_EN(index);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void tegra124_usb3_port_disable(struct tegra_xusb_port *port)
|
|
{
|
|
struct tegra_xusb_padctl *padctl = port->padctl;
|
|
u32 value;
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
|
|
value |= XUSB_PADCTL_ELPG_PROGRAM_SSPX_ELPG_CLAMP_EN_EARLY(port->index);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
|
|
|
|
usleep_range(100, 200);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
|
|
value |= XUSB_PADCTL_ELPG_PROGRAM_SSPX_ELPG_CLAMP_EN(port->index);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
|
|
|
|
usleep_range(250, 350);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
|
|
value |= XUSB_PADCTL_ELPG_PROGRAM_SSPX_ELPG_VCORE_DOWN(port->index);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
|
|
|
|
value = padctl_readl(padctl, XUSB_PADCTL_SS_PORT_MAP);
|
|
value &= ~XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP_MASK(port->index);
|
|
value |= XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP(port->index, 0x7);
|
|
padctl_writel(padctl, value, XUSB_PADCTL_SS_PORT_MAP);
|
|
}
|
|
|
|
static const struct tegra_xusb_lane_map tegra124_usb3_map[] = {
|
|
{ 0, "pcie", 0 },
|
|
{ 1, "pcie", 1 },
|
|
{ 1, "sata", 0 },
|
|
{ 0, NULL, 0 },
|
|
};
|
|
|
|
static struct tegra_xusb_lane *
|
|
tegra124_usb3_port_map(struct tegra_xusb_port *port)
|
|
{
|
|
return tegra_xusb_port_find_lane(port, tegra124_usb3_map, "usb3-ss");
|
|
}
|
|
|
|
static const struct tegra_xusb_port_ops tegra124_usb3_port_ops = {
|
|
.release = tegra_xusb_usb3_port_release,
|
|
.enable = tegra124_usb3_port_enable,
|
|
.disable = tegra124_usb3_port_disable,
|
|
.map = tegra124_usb3_port_map,
|
|
};
|
|
|
|
static int
|
|
tegra124_xusb_read_fuse_calibration(struct tegra124_xusb_fuse_calibration *fuse)
|
|
{
|
|
unsigned int i;
|
|
int err;
|
|
u32 value;
|
|
|
|
err = tegra_fuse_readl(TEGRA_FUSE_SKU_CALIB_0, &value);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(fuse->hs_curr_level); i++) {
|
|
fuse->hs_curr_level[i] =
|
|
(value >> FUSE_SKU_CALIB_HS_CURR_LEVEL_PADX_SHIFT(i)) &
|
|
FUSE_SKU_CALIB_HS_CURR_LEVEL_PAD_MASK;
|
|
}
|
|
fuse->hs_iref_cap =
|
|
(value >> FUSE_SKU_CALIB_HS_IREF_CAP_SHIFT) &
|
|
FUSE_SKU_CALIB_HS_IREF_CAP_MASK;
|
|
fuse->hs_term_range_adj =
|
|
(value >> FUSE_SKU_CALIB_HS_TERM_RANGE_ADJ_SHIFT) &
|
|
FUSE_SKU_CALIB_HS_TERM_RANGE_ADJ_MASK;
|
|
fuse->hs_squelch_level =
|
|
(value >> FUSE_SKU_CALIB_HS_SQUELCH_LEVEL_SHIFT) &
|
|
FUSE_SKU_CALIB_HS_SQUELCH_LEVEL_MASK;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct tegra_xusb_padctl *
|
|
tegra124_xusb_padctl_probe(struct device *dev,
|
|
const struct tegra_xusb_padctl_soc *soc)
|
|
{
|
|
struct tegra124_xusb_padctl *padctl;
|
|
int err;
|
|
|
|
padctl = devm_kzalloc(dev, sizeof(*padctl), GFP_KERNEL);
|
|
if (!padctl)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
padctl->base.dev = dev;
|
|
padctl->base.soc = soc;
|
|
|
|
err = tegra124_xusb_read_fuse_calibration(&padctl->fuse);
|
|
if (err < 0)
|
|
return ERR_PTR(err);
|
|
|
|
return &padctl->base;
|
|
}
|
|
|
|
static void tegra124_xusb_padctl_remove(struct tegra_xusb_padctl *padctl)
|
|
{
|
|
}
|
|
|
|
static const struct tegra_xusb_padctl_ops tegra124_xusb_padctl_ops = {
|
|
.probe = tegra124_xusb_padctl_probe,
|
|
.remove = tegra124_xusb_padctl_remove,
|
|
.usb3_save_context = tegra124_usb3_save_context,
|
|
.hsic_set_idle = tegra124_hsic_set_idle,
|
|
};
|
|
|
|
static const char * const tegra124_xusb_padctl_supply_names[] = {
|
|
"avdd-pll-utmip",
|
|
"avdd-pll-erefe",
|
|
"avdd-pex-pll",
|
|
"hvdd-pex-pll-e",
|
|
};
|
|
|
|
const struct tegra_xusb_padctl_soc tegra124_xusb_padctl_soc = {
|
|
.num_pads = ARRAY_SIZE(tegra124_pads),
|
|
.pads = tegra124_pads,
|
|
.ports = {
|
|
.usb2 = {
|
|
.ops = &tegra124_usb2_port_ops,
|
|
.count = 3,
|
|
},
|
|
.ulpi = {
|
|
.ops = &tegra124_ulpi_port_ops,
|
|
.count = 1,
|
|
},
|
|
.hsic = {
|
|
.ops = &tegra124_hsic_port_ops,
|
|
.count = 2,
|
|
},
|
|
.usb3 = {
|
|
.ops = &tegra124_usb3_port_ops,
|
|
.count = 2,
|
|
},
|
|
},
|
|
.ops = &tegra124_xusb_padctl_ops,
|
|
.supply_names = tegra124_xusb_padctl_supply_names,
|
|
.num_supplies = ARRAY_SIZE(tegra124_xusb_padctl_supply_names),
|
|
};
|
|
EXPORT_SYMBOL_GPL(tegra124_xusb_padctl_soc);
|
|
|
|
MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>");
|
|
MODULE_DESCRIPTION("NVIDIA Tegra 124 XUSB Pad Controller driver");
|
|
MODULE_LICENSE("GPL v2");
|