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- /*
- * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
- * Copyright (C) 2015 Google, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- */
- #include <linux/clk.h>
- #include <linux/clk/tegra.h>
- #include <linux/delay.h>
- #include <linux/io.h>
- #include <linux/mailbox_client.h>
- #include <linux/module.h>
- #include <linux/of.h>
- #include <linux/phy/phy.h>
- #include <linux/platform_device.h>
- #include <linux/regulator/consumer.h>
- #include <linux/reset.h>
- #include <linux/slab.h>
- #include <soc/tegra/fuse.h>
- #include "xusb.h"
- #define FUSE_SKU_CALIB_HS_CURR_LEVEL_PADX_SHIFT(x) \
- ((x) ? (11 + ((x) - 1) * 6) : 0)
- #define FUSE_SKU_CALIB_HS_CURR_LEVEL_PAD_MASK 0x3f
- #define FUSE_SKU_CALIB_HS_TERM_RANGE_ADJ_SHIFT 7
- #define FUSE_SKU_CALIB_HS_TERM_RANGE_ADJ_MASK 0xf
- #define FUSE_USB_CALIB_EXT_RPD_CTRL_SHIFT 0
- #define FUSE_USB_CALIB_EXT_RPD_CTRL_MASK 0x1f
- #define XUSB_PADCTL_USB2_PAD_MUX 0x004
- #define XUSB_PADCTL_USB2_PAD_MUX_HSIC_PAD_TRK_SHIFT 16
- #define XUSB_PADCTL_USB2_PAD_MUX_HSIC_PAD_TRK_MASK 0x3
- #define XUSB_PADCTL_USB2_PAD_MUX_HSIC_PAD_TRK_XUSB 0x1
- #define XUSB_PADCTL_USB2_PAD_MUX_USB2_BIAS_PAD_SHIFT 18
- #define XUSB_PADCTL_USB2_PAD_MUX_USB2_BIAS_PAD_MASK 0x3
- #define XUSB_PADCTL_USB2_PAD_MUX_USB2_BIAS_PAD_XUSB 0x1
- #define XUSB_PADCTL_USB2_PORT_CAP 0x008
- #define XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_HOST(x) (0x1 << ((x) * 4))
- #define XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_MASK(x) (0x3 << ((x) * 4))
- #define XUSB_PADCTL_SS_PORT_MAP 0x014
- #define XUSB_PADCTL_SS_PORT_MAP_PORTX_INTERNAL(x) (1 << (((x) * 5) + 4))
- #define XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP_SHIFT(x) ((x) * 5)
- #define XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP_MASK(x) (0x7 << ((x) * 5))
- #define XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP(x, v) (((v) & 0x7) << ((x) * 5))
- #define XUSB_PADCTL_ELPG_PROGRAM1 0x024
- #define XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_VCORE_DOWN (1 << 31)
- #define XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_CLAMP_EN_EARLY (1 << 30)
- #define XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_CLAMP_EN (1 << 29)
- #define XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_VCORE_DOWN(x) (1 << (2 + (x) * 3))
- #define XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_CLAMP_EN_EARLY(x) \
- (1 << (1 + (x) * 3))
- #define XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_CLAMP_EN(x) (1 << ((x) * 3))
- #define XUSB_PADCTL_USB3_PAD_MUX 0x028
- #define XUSB_PADCTL_USB3_PAD_MUX_PCIE_IDDQ_DISABLE(x) (1 << (1 + (x)))
- #define XUSB_PADCTL_USB3_PAD_MUX_SATA_IDDQ_DISABLE(x) (1 << (8 + (x)))
- #define XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPADX_CTL1(x) (0x084 + (x) * 0x40)
- #define XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_LEV_SHIFT 7
- #define XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_LEV_MASK 0x3
- #define XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_FIX18 (1 << 6)
- #define XUSB_PADCTL_USB2_OTG_PADX_CTL0(x) (0x088 + (x) * 0x40)
- #define XUSB_PADCTL_USB2_OTG_PAD_CTL0_PD_ZI (1 << 29)
- #define XUSB_PADCTL_USB2_OTG_PAD_CTL0_PD2 (1 << 27)
- #define XUSB_PADCTL_USB2_OTG_PAD_CTL0_PD (1 << 26)
- #define XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_CURR_LEVEL_SHIFT 0
- #define XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_CURR_LEVEL_MASK 0x3f
- #define XUSB_PADCTL_USB2_OTG_PADX_CTL1(x) (0x08c + (x) * 0x40)
- #define XUSB_PADCTL_USB2_OTG_PAD_CTL1_RPD_CTRL_SHIFT 26
- #define XUSB_PADCTL_USB2_OTG_PAD_CTL1_RPD_CTRL_MASK 0x1f
- #define XUSB_PADCTL_USB2_OTG_PAD_CTL1_TERM_RANGE_ADJ_SHIFT 3
- #define XUSB_PADCTL_USB2_OTG_PAD_CTL1_TERM_RANGE_ADJ_MASK 0xf
- #define XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_DR (1 << 2)
- #define XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_DISC_OVRD (1 << 1)
- #define XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_CHRP_OVRD (1 << 0)
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0 0x284
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_PD (1 << 11)
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_SHIFT 3
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_MASK 0x7
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_VAL 0x7
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_SHIFT 0
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_MASK 0x7
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_VAL 0x2
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1 0x288
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1_PD_TRK (1 << 26)
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_DONE_RESET_TIMER_SHIFT 19
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_DONE_RESET_TIMER_MASK 0x7f
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_DONE_RESET_TIMER_VAL 0x0a
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_START_TIMER_SHIFT 12
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_START_TIMER_MASK 0x7f
- #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_START_TIMER_VAL 0x1e
- #define XUSB_PADCTL_HSIC_PADX_CTL0(x) (0x300 + (x) * 0x20)
- #define XUSB_PADCTL_HSIC_PAD_CTL0_RPU_STROBE (1 << 18)
- #define XUSB_PADCTL_HSIC_PAD_CTL0_RPU_DATA1 (1 << 17)
- #define XUSB_PADCTL_HSIC_PAD_CTL0_RPU_DATA0 (1 << 16)
- #define XUSB_PADCTL_HSIC_PAD_CTL0_RPD_STROBE (1 << 15)
- #define XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA1 (1 << 14)
- #define XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA0 (1 << 13)
- #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_STROBE (1 << 9)
- #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_DATA1 (1 << 8)
- #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_DATA0 (1 << 7)
- #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_STROBE (1 << 6)
- #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_DATA1 (1 << 5)
- #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_DATA0 (1 << 4)
- #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_STROBE (1 << 3)
- #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_DATA1 (1 << 2)
- #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_DATA0 (1 << 1)
- #define XUSB_PADCTL_HSIC_PADX_CTL1(x) (0x304 + (x) * 0x20)
- #define XUSB_PADCTL_HSIC_PAD_CTL1_TX_RTUNEP_SHIFT 0
- #define XUSB_PADCTL_HSIC_PAD_CTL1_TX_RTUNEP_MASK 0xf
- #define XUSB_PADCTL_HSIC_PADX_CTL2(x) (0x308 + (x) * 0x20)
- #define XUSB_PADCTL_HSIC_PAD_CTL2_RX_STROBE_TRIM_SHIFT 8
- #define XUSB_PADCTL_HSIC_PAD_CTL2_RX_STROBE_TRIM_MASK 0xf
- #define XUSB_PADCTL_HSIC_PAD_CTL2_RX_DATA_TRIM_SHIFT 0
- #define XUSB_PADCTL_HSIC_PAD_CTL2_RX_DATA_TRIM_MASK 0xff
- #define XUSB_PADCTL_HSIC_PAD_TRK_CTL 0x340
- #define XUSB_PADCTL_HSIC_PAD_TRK_CTL_PD_TRK (1 << 19)
- #define XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_DONE_RESET_TIMER_SHIFT 12
- #define XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_DONE_RESET_TIMER_MASK 0x7f
- #define XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_DONE_RESET_TIMER_VAL 0x0a
- #define XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_START_TIMER_SHIFT 5
- #define XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_START_TIMER_MASK 0x7f
- #define XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_START_TIMER_VAL 0x1e
- #define XUSB_PADCTL_HSIC_STRB_TRIM_CONTROL 0x344
- #define XUSB_PADCTL_UPHY_PLL_P0_CTL1 0x360
- #define XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SHIFT 20
- #define XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_MASK 0xff
- #define XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_USB_VAL 0x19
- #define XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SATA_VAL 0x1e
- #define XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_MDIV_SHIFT 16
- #define XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_MDIV_MASK 0x3
- #define XUSB_PADCTL_UPHY_PLL_CTL1_LOCKDET_STATUS (1 << 15)
- #define XUSB_PADCTL_UPHY_PLL_CTL1_PWR_OVRD (1 << 4)
- #define XUSB_PADCTL_UPHY_PLL_CTL1_ENABLE (1 << 3)
- #define XUSB_PADCTL_UPHY_PLL_CTL1_SLEEP_SHIFT 1
- #define XUSB_PADCTL_UPHY_PLL_CTL1_SLEEP_MASK 0x3
- #define XUSB_PADCTL_UPHY_PLL_CTL1_IDDQ (1 << 0)
- #define XUSB_PADCTL_UPHY_PLL_P0_CTL2 0x364
- #define XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_SHIFT 4
- #define XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_MASK 0xffffff
- #define XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_VAL 0x136
- #define XUSB_PADCTL_UPHY_PLL_CTL2_CAL_OVRD (1 << 2)
- #define XUSB_PADCTL_UPHY_PLL_CTL2_CAL_DONE (1 << 1)
- #define XUSB_PADCTL_UPHY_PLL_CTL2_CAL_EN (1 << 0)
- #define XUSB_PADCTL_UPHY_PLL_P0_CTL4 0x36c
- #define XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_EN (1 << 15)
- #define XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SHIFT 12
- #define XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_MASK 0x3
- #define XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_USB_VAL 0x2
- #define XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SATA_VAL 0x0
- #define XUSB_PADCTL_UPHY_PLL_CTL4_REFCLKBUF_EN (1 << 8)
- #define XUSB_PADCTL_UPHY_PLL_CTL4_REFCLK_SEL_SHIFT 4
- #define XUSB_PADCTL_UPHY_PLL_CTL4_REFCLK_SEL_MASK 0xf
- #define XUSB_PADCTL_UPHY_PLL_P0_CTL5 0x370
- #define XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_SHIFT 16
- #define XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_MASK 0xff
- #define XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_VAL 0x2a
- #define XUSB_PADCTL_UPHY_PLL_P0_CTL8 0x37c
- #define XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_DONE (1 << 31)
- #define XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_OVRD (1 << 15)
- #define XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_CLK_EN (1 << 13)
- #define XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_EN (1 << 12)
- #define XUSB_PADCTL_UPHY_MISC_PAD_PX_CTL1(x) (0x460 + (x) * 0x40)
- #define XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_IDLE_MODE_SHIFT 20
- #define XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_IDLE_MODE_MASK 0x3
- #define XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_IDLE_MODE_VAL 0x1
- #define XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_TERM_EN BIT(18)
- #define XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_MODE_OVRD BIT(13)
- #define XUSB_PADCTL_UPHY_PLL_S0_CTL1 0x860
- #define XUSB_PADCTL_UPHY_PLL_S0_CTL2 0x864
- #define XUSB_PADCTL_UPHY_PLL_S0_CTL4 0x86c
- #define XUSB_PADCTL_UPHY_PLL_S0_CTL5 0x870
- #define XUSB_PADCTL_UPHY_PLL_S0_CTL8 0x87c
- #define XUSB_PADCTL_UPHY_MISC_PAD_S0_CTL1 0x960
- #define XUSB_PADCTL_UPHY_USB3_PADX_ECTL1(x) (0xa60 + (x) * 0x40)
- #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL1_TX_TERM_CTRL_SHIFT 16
- #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL1_TX_TERM_CTRL_MASK 0x3
- #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL1_TX_TERM_CTRL_VAL 0x2
- #define XUSB_PADCTL_UPHY_USB3_PADX_ECTL2(x) (0xa64 + (x) * 0x40)
- #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL2_RX_CTLE_SHIFT 0
- #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL2_RX_CTLE_MASK 0xffff
- #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL2_RX_CTLE_VAL 0x00fc
- #define XUSB_PADCTL_UPHY_USB3_PADX_ECTL3(x) (0xa68 + (x) * 0x40)
- #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL3_RX_DFE_VAL 0xc0077f1f
- #define XUSB_PADCTL_UPHY_USB3_PADX_ECTL4(x) (0xa6c + (x) * 0x40)
- #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL4_RX_CDR_CTRL_SHIFT 16
- #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL4_RX_CDR_CTRL_MASK 0xffff
- #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL4_RX_CDR_CTRL_VAL 0x01c7
- #define XUSB_PADCTL_UPHY_USB3_PADX_ECTL6(x) (0xa74 + (x) * 0x40)
- #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL6_RX_EQ_CTRL_H_VAL 0xfcf01368
- struct tegra210_xusb_fuse_calibration {
- u32 hs_curr_level[4];
- u32 hs_term_range_adj;
- u32 rpd_ctrl;
- };
- struct tegra210_xusb_padctl {
- struct tegra_xusb_padctl base;
- struct tegra210_xusb_fuse_calibration fuse;
- };
- static inline struct tegra210_xusb_padctl *
- to_tegra210_xusb_padctl(struct tegra_xusb_padctl *padctl)
- {
- return container_of(padctl, struct tegra210_xusb_padctl, base);
- }
- /* must be called under padctl->lock */
- static int tegra210_pex_uphy_enable(struct tegra_xusb_padctl *padctl)
- {
- struct tegra_xusb_pcie_pad *pcie = to_pcie_pad(padctl->pcie);
- unsigned long timeout;
- u32 value;
- int err;
- if (pcie->enable > 0) {
- pcie->enable++;
- return 0;
- }
- err = clk_prepare_enable(pcie->pll);
- if (err < 0)
- return err;
- err = reset_control_deassert(pcie->rst);
- if (err < 0)
- goto disable;
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
- value &= ~(XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_MASK <<
- XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_SHIFT);
- value |= XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_VAL <<
- XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_SHIFT;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL5);
- value &= ~(XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_MASK <<
- XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_SHIFT);
- value |= XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_VAL <<
- XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_SHIFT;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL5);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
- value |= XUSB_PADCTL_UPHY_PLL_CTL1_PWR_OVRD;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
- value |= XUSB_PADCTL_UPHY_PLL_CTL2_CAL_OVRD;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
- value |= XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_OVRD;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL4);
- value &= ~((XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_MASK <<
- XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SHIFT) |
- (XUSB_PADCTL_UPHY_PLL_CTL4_REFCLK_SEL_MASK <<
- XUSB_PADCTL_UPHY_PLL_CTL4_REFCLK_SEL_SHIFT));
- value |= (XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_USB_VAL <<
- XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SHIFT) |
- XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL4);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
- value &= ~((XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_MDIV_MASK <<
- XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_MDIV_SHIFT) |
- (XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_MASK <<
- XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SHIFT));
- value |= XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_USB_VAL <<
- XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SHIFT;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
- value &= ~XUSB_PADCTL_UPHY_PLL_CTL1_IDDQ;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
- value &= ~(XUSB_PADCTL_UPHY_PLL_CTL1_SLEEP_MASK <<
- XUSB_PADCTL_UPHY_PLL_CTL1_SLEEP_SHIFT);
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
- usleep_range(10, 20);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL4);
- value |= XUSB_PADCTL_UPHY_PLL_CTL4_REFCLKBUF_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL4);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
- value |= XUSB_PADCTL_UPHY_PLL_CTL2_CAL_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
- timeout = jiffies + msecs_to_jiffies(100);
- while (time_before(jiffies, timeout)) {
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
- if (value & XUSB_PADCTL_UPHY_PLL_CTL2_CAL_DONE)
- break;
- usleep_range(10, 20);
- }
- if (time_after_eq(jiffies, timeout)) {
- err = -ETIMEDOUT;
- goto reset;
- }
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
- value &= ~XUSB_PADCTL_UPHY_PLL_CTL2_CAL_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
- timeout = jiffies + msecs_to_jiffies(100);
- while (time_before(jiffies, timeout)) {
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
- if (!(value & XUSB_PADCTL_UPHY_PLL_CTL2_CAL_DONE))
- break;
- usleep_range(10, 20);
- }
- if (time_after_eq(jiffies, timeout)) {
- err = -ETIMEDOUT;
- goto reset;
- }
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
- value |= XUSB_PADCTL_UPHY_PLL_CTL1_ENABLE;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
- timeout = jiffies + msecs_to_jiffies(100);
- while (time_before(jiffies, timeout)) {
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
- if (value & XUSB_PADCTL_UPHY_PLL_CTL1_LOCKDET_STATUS)
- break;
- usleep_range(10, 20);
- }
- if (time_after_eq(jiffies, timeout)) {
- err = -ETIMEDOUT;
- goto reset;
- }
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
- value |= XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_EN |
- XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_CLK_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
- timeout = jiffies + msecs_to_jiffies(100);
- while (time_before(jiffies, timeout)) {
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
- if (value & XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_DONE)
- break;
- usleep_range(10, 20);
- }
- if (time_after_eq(jiffies, timeout)) {
- err = -ETIMEDOUT;
- goto reset;
- }
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
- value &= ~XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
- timeout = jiffies + msecs_to_jiffies(100);
- while (time_before(jiffies, timeout)) {
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
- if (!(value & XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_DONE))
- break;
- usleep_range(10, 20);
- }
- if (time_after_eq(jiffies, timeout)) {
- err = -ETIMEDOUT;
- goto reset;
- }
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
- value &= ~XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_CLK_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
- tegra210_xusb_pll_hw_control_enable();
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
- value &= ~XUSB_PADCTL_UPHY_PLL_CTL1_PWR_OVRD;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
- value &= ~XUSB_PADCTL_UPHY_PLL_CTL2_CAL_OVRD;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
- value &= ~XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_OVRD;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
- usleep_range(10, 20);
- tegra210_xusb_pll_hw_sequence_start();
- pcie->enable++;
- return 0;
- reset:
- reset_control_assert(pcie->rst);
- disable:
- clk_disable_unprepare(pcie->pll);
- return err;
- }
- static void tegra210_pex_uphy_disable(struct tegra_xusb_padctl *padctl)
- {
- struct tegra_xusb_pcie_pad *pcie = to_pcie_pad(padctl->pcie);
- mutex_lock(&padctl->lock);
- if (WARN_ON(pcie->enable == 0))
- goto unlock;
- if (--pcie->enable > 0)
- goto unlock;
- reset_control_assert(pcie->rst);
- clk_disable_unprepare(pcie->pll);
- unlock:
- mutex_unlock(&padctl->lock);
- }
- /* must be called under padctl->lock */
- static int tegra210_sata_uphy_enable(struct tegra_xusb_padctl *padctl, bool usb)
- {
- struct tegra_xusb_sata_pad *sata = to_sata_pad(padctl->sata);
- unsigned long timeout;
- u32 value;
- int err;
- if (sata->enable > 0) {
- sata->enable++;
- return 0;
- }
- err = clk_prepare_enable(sata->pll);
- if (err < 0)
- return err;
- err = reset_control_deassert(sata->rst);
- if (err < 0)
- goto disable;
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
- value &= ~(XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_MASK <<
- XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_SHIFT);
- value |= XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_VAL <<
- XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_SHIFT;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL5);
- value &= ~(XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_MASK <<
- XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_SHIFT);
- value |= XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_VAL <<
- XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_SHIFT;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL5);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
- value |= XUSB_PADCTL_UPHY_PLL_CTL1_PWR_OVRD;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
- value |= XUSB_PADCTL_UPHY_PLL_CTL2_CAL_OVRD;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
- value |= XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_OVRD;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL4);
- value &= ~((XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_MASK <<
- XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SHIFT) |
- (XUSB_PADCTL_UPHY_PLL_CTL4_REFCLK_SEL_MASK <<
- XUSB_PADCTL_UPHY_PLL_CTL4_REFCLK_SEL_SHIFT));
- value |= XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_EN;
- if (usb)
- value |= (XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_USB_VAL <<
- XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SHIFT);
- else
- value |= (XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SATA_VAL <<
- XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SHIFT);
- /* XXX PLL0_XDIGCLK_EN */
- /*
- value &= ~(1 << 19);
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL4);
- */
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
- value &= ~((XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_MDIV_MASK <<
- XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_MDIV_SHIFT) |
- (XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_MASK <<
- XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SHIFT));
- if (usb)
- value |= XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_USB_VAL <<
- XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SHIFT;
- else
- value |= XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SATA_VAL <<
- XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SHIFT;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
- value &= ~XUSB_PADCTL_UPHY_PLL_CTL1_IDDQ;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
- value &= ~(XUSB_PADCTL_UPHY_PLL_CTL1_SLEEP_MASK <<
- XUSB_PADCTL_UPHY_PLL_CTL1_SLEEP_SHIFT);
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
- usleep_range(10, 20);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL4);
- value |= XUSB_PADCTL_UPHY_PLL_CTL4_REFCLKBUF_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL4);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
- value |= XUSB_PADCTL_UPHY_PLL_CTL2_CAL_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
- timeout = jiffies + msecs_to_jiffies(100);
- while (time_before(jiffies, timeout)) {
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
- if (value & XUSB_PADCTL_UPHY_PLL_CTL2_CAL_DONE)
- break;
- usleep_range(10, 20);
- }
- if (time_after_eq(jiffies, timeout)) {
- err = -ETIMEDOUT;
- goto reset;
- }
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
- value &= ~XUSB_PADCTL_UPHY_PLL_CTL2_CAL_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
- timeout = jiffies + msecs_to_jiffies(100);
- while (time_before(jiffies, timeout)) {
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
- if (!(value & XUSB_PADCTL_UPHY_PLL_CTL2_CAL_DONE))
- break;
- usleep_range(10, 20);
- }
- if (time_after_eq(jiffies, timeout)) {
- err = -ETIMEDOUT;
- goto reset;
- }
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
- value |= XUSB_PADCTL_UPHY_PLL_CTL1_ENABLE;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
- timeout = jiffies + msecs_to_jiffies(100);
- while (time_before(jiffies, timeout)) {
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
- if (value & XUSB_PADCTL_UPHY_PLL_CTL1_LOCKDET_STATUS)
- break;
- usleep_range(10, 20);
- }
- if (time_after_eq(jiffies, timeout)) {
- err = -ETIMEDOUT;
- goto reset;
- }
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
- value |= XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_EN |
- XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_CLK_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
- timeout = jiffies + msecs_to_jiffies(100);
- while (time_before(jiffies, timeout)) {
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
- if (value & XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_DONE)
- break;
- usleep_range(10, 20);
- }
- if (time_after_eq(jiffies, timeout)) {
- err = -ETIMEDOUT;
- goto reset;
- }
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
- value &= ~XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
- timeout = jiffies + msecs_to_jiffies(100);
- while (time_before(jiffies, timeout)) {
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
- if (!(value & XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_DONE))
- break;
- usleep_range(10, 20);
- }
- if (time_after_eq(jiffies, timeout)) {
- err = -ETIMEDOUT;
- goto reset;
- }
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
- value &= ~XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_CLK_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
- tegra210_sata_pll_hw_control_enable();
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
- value &= ~XUSB_PADCTL_UPHY_PLL_CTL1_PWR_OVRD;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
- value &= ~XUSB_PADCTL_UPHY_PLL_CTL2_CAL_OVRD;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
- value &= ~XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_OVRD;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
- usleep_range(10, 20);
- tegra210_sata_pll_hw_sequence_start();
- sata->enable++;
- return 0;
- reset:
- reset_control_assert(sata->rst);
- disable:
- clk_disable_unprepare(sata->pll);
- return err;
- }
- static void tegra210_sata_uphy_disable(struct tegra_xusb_padctl *padctl)
- {
- struct tegra_xusb_sata_pad *sata = to_sata_pad(padctl->sata);
- mutex_lock(&padctl->lock);
- if (WARN_ON(sata->enable == 0))
- goto unlock;
- if (--sata->enable > 0)
- goto unlock;
- reset_control_assert(sata->rst);
- clk_disable_unprepare(sata->pll);
- unlock:
- mutex_unlock(&padctl->lock);
- }
- static int tegra210_xusb_padctl_enable(struct tegra_xusb_padctl *padctl)
- {
- u32 value;
- mutex_lock(&padctl->lock);
- if (padctl->enable++ > 0)
- goto out;
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
- value &= ~XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_CLAMP_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
- usleep_range(100, 200);
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
- value &= ~XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_CLAMP_EN_EARLY;
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
- usleep_range(100, 200);
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
- value &= ~XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_VCORE_DOWN;
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
- out:
- mutex_unlock(&padctl->lock);
- return 0;
- }
- static int tegra210_xusb_padctl_disable(struct tegra_xusb_padctl *padctl)
- {
- u32 value;
- mutex_lock(&padctl->lock);
- if (WARN_ON(padctl->enable == 0))
- goto out;
- if (--padctl->enable > 0)
- goto out;
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
- value |= XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_VCORE_DOWN;
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
- usleep_range(100, 200);
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
- value |= XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_CLAMP_EN_EARLY;
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
- usleep_range(100, 200);
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
- value |= XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_CLAMP_EN;
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
- out:
- mutex_unlock(&padctl->lock);
- return 0;
- }
- static int tegra210_hsic_set_idle(struct tegra_xusb_padctl *padctl,
- unsigned int index, bool idle)
- {
- u32 value;
- value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PADX_CTL0(index));
- value &= ~(XUSB_PADCTL_HSIC_PAD_CTL0_RPU_DATA0 |
- XUSB_PADCTL_HSIC_PAD_CTL0_RPU_DATA1 |
- XUSB_PADCTL_HSIC_PAD_CTL0_RPD_STROBE);
- if (idle)
- value |= XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA0 |
- XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA1 |
- XUSB_PADCTL_HSIC_PAD_CTL0_RPU_STROBE;
- else
- value &= ~(XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA0 |
- XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA1 |
- XUSB_PADCTL_HSIC_PAD_CTL0_RPU_STROBE);
- padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PADX_CTL0(index));
- return 0;
- }
- static int tegra210_usb3_set_lfps_detect(struct tegra_xusb_padctl *padctl,
- unsigned int index, bool enable)
- {
- struct tegra_xusb_port *port;
- struct tegra_xusb_lane *lane;
- u32 value, offset;
- port = tegra_xusb_find_port(padctl, "usb3", index);
- if (!port)
- return -ENODEV;
- lane = port->lane;
- if (lane->pad == padctl->pcie)
- offset = XUSB_PADCTL_UPHY_MISC_PAD_PX_CTL1(lane->index);
- else
- offset = XUSB_PADCTL_UPHY_MISC_PAD_S0_CTL1;
- value = padctl_readl(padctl, offset);
- value &= ~((XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_IDLE_MODE_MASK <<
- XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_IDLE_MODE_SHIFT) |
- XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_TERM_EN |
- XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_MODE_OVRD);
- if (!enable) {
- value |= (XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_IDLE_MODE_VAL <<
- XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_IDLE_MODE_SHIFT) |
- XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_TERM_EN |
- XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_MODE_OVRD;
- }
- padctl_writel(padctl, value, offset);
- return 0;
- }
- #define TEGRA210_LANE(_name, _offset, _shift, _mask, _type) \
- { \
- .name = _name, \
- .offset = _offset, \
- .shift = _shift, \
- .mask = _mask, \
- .num_funcs = ARRAY_SIZE(tegra210_##_type##_functions), \
- .funcs = tegra210_##_type##_functions, \
- }
- static const char *tegra210_usb2_functions[] = {
- "snps",
- "xusb",
- "uart"
- };
- static const struct tegra_xusb_lane_soc tegra210_usb2_lanes[] = {
- TEGRA210_LANE("usb2-0", 0x004, 0, 0x3, usb2),
- TEGRA210_LANE("usb2-1", 0x004, 2, 0x3, usb2),
- TEGRA210_LANE("usb2-2", 0x004, 4, 0x3, usb2),
- TEGRA210_LANE("usb2-3", 0x004, 6, 0x3, usb2),
- };
- static struct tegra_xusb_lane *
- tegra210_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 tegra210_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 tegra210_usb2_lane_ops = {
- .probe = tegra210_usb2_lane_probe,
- .remove = tegra210_usb2_lane_remove,
- };
- static int tegra210_usb2_phy_init(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_USB2_PAD_MUX);
- value &= ~(XUSB_PADCTL_USB2_PAD_MUX_USB2_BIAS_PAD_MASK <<
- XUSB_PADCTL_USB2_PAD_MUX_USB2_BIAS_PAD_SHIFT);
- value |= XUSB_PADCTL_USB2_PAD_MUX_USB2_BIAS_PAD_XUSB <<
- XUSB_PADCTL_USB2_PAD_MUX_USB2_BIAS_PAD_SHIFT;
- padctl_writel(padctl, value, XUSB_PADCTL_USB2_PAD_MUX);
- return tegra210_xusb_padctl_enable(padctl);
- }
- static int tegra210_usb2_phy_exit(struct phy *phy)
- {
- struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
- return tegra210_xusb_padctl_disable(lane->pad->padctl);
- }
- static int tegra210_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 tegra210_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_tegra210_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 |= (XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_VAL <<
- XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_SHIFT);
- if (tegra_sku_info.revision < TEGRA_REVISION_A02)
- value |=
- (XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_VAL <<
- XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_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_PORTX_CAP_MASK(index);
- value |= XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_HOST(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_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;
- 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_RPD_CTRL_MASK <<
- XUSB_PADCTL_USB2_OTG_PAD_CTL1_RPD_CTRL_SHIFT) |
- XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_DR |
- XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_CHRP_OVRD |
- XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_DISC_OVRD);
- value |= (priv->fuse.hs_term_range_adj <<
- XUSB_PADCTL_USB2_OTG_PAD_CTL1_TERM_RANGE_ADJ_SHIFT) |
- (priv->fuse.rpd_ctrl <<
- XUSB_PADCTL_USB2_OTG_PAD_CTL1_RPD_CTRL_SHIFT);
- padctl_writel(padctl, value, XUSB_PADCTL_USB2_OTG_PADX_CTL1(index));
- value = padctl_readl(padctl,
- XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPADX_CTL1(index));
- value &= ~(XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_LEV_MASK <<
- XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_LEV_SHIFT);
- value |= XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_FIX18;
- padctl_writel(padctl, value,
- XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPADX_CTL1(index));
- err = regulator_enable(port->supply);
- if (err)
- return err;
- mutex_lock(&padctl->lock);
- if (pad->enable > 0) {
- pad->enable++;
- mutex_unlock(&padctl->lock);
- return 0;
- }
- err = clk_prepare_enable(pad->clk);
- if (err)
- goto disable_regulator;
- value = padctl_readl(padctl, XUSB_PADCTL_USB2_BIAS_PAD_CTL1);
- value &= ~((XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_START_TIMER_MASK <<
- XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_START_TIMER_SHIFT) |
- (XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_DONE_RESET_TIMER_MASK <<
- XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_DONE_RESET_TIMER_SHIFT));
- value |= (XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_START_TIMER_VAL <<
- XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_START_TIMER_SHIFT) |
- (XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_DONE_RESET_TIMER_VAL <<
- XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_DONE_RESET_TIMER_SHIFT);
- padctl_writel(padctl, value, XUSB_PADCTL_USB2_BIAS_PAD_CTL1);
- 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);
- udelay(1);
- value = padctl_readl(padctl, XUSB_PADCTL_USB2_BIAS_PAD_CTL1);
- value &= ~XUSB_PADCTL_USB2_BIAS_PAD_CTL1_PD_TRK;
- padctl_writel(padctl, value, XUSB_PADCTL_USB2_BIAS_PAD_CTL1);
- udelay(50);
- clk_disable_unprepare(pad->clk);
- pad->enable++;
- mutex_unlock(&padctl->lock);
- return 0;
- disable_regulator:
- regulator_disable(port->supply);
- mutex_unlock(&padctl->lock);
- return err;
- }
- static int tegra210_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(&padctl->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(&padctl->lock);
- return 0;
- }
- static const struct phy_ops tegra210_usb2_phy_ops = {
- .init = tegra210_usb2_phy_init,
- .exit = tegra210_usb2_phy_exit,
- .power_on = tegra210_usb2_phy_power_on,
- .power_off = tegra210_usb2_phy_power_off,
- .owner = THIS_MODULE,
- };
- static struct tegra_xusb_pad *
- tegra210_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);
- pad = &usb2->base;
- pad->ops = &tegra210_usb2_lane_ops;
- pad->soc = soc;
- err = tegra_xusb_pad_init(pad, padctl, np);
- if (err < 0) {
- kfree(usb2);
- goto out;
- }
- usb2->clk = devm_clk_get(&pad->dev, "trk");
- if (IS_ERR(usb2->clk)) {
- err = PTR_ERR(usb2->clk);
- dev_err(&pad->dev, "failed to get trk clock: %d\n", err);
- goto unregister;
- }
- err = tegra_xusb_pad_register(pad, &tegra210_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 tegra210_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 tegra210_usb2_ops = {
- .probe = tegra210_usb2_pad_probe,
- .remove = tegra210_usb2_pad_remove,
- };
- static const struct tegra_xusb_pad_soc tegra210_usb2_pad = {
- .name = "usb2",
- .num_lanes = ARRAY_SIZE(tegra210_usb2_lanes),
- .lanes = tegra210_usb2_lanes,
- .ops = &tegra210_usb2_ops,
- };
- static const char *tegra210_hsic_functions[] = {
- "snps",
- "xusb",
- };
- static const struct tegra_xusb_lane_soc tegra210_hsic_lanes[] = {
- TEGRA210_LANE("hsic-0", 0x004, 14, 0x1, hsic),
- };
- static struct tegra_xusb_lane *
- tegra210_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 tegra210_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 tegra210_hsic_lane_ops = {
- .probe = tegra210_hsic_lane_probe,
- .remove = tegra210_hsic_lane_remove,
- };
- static int tegra210_hsic_phy_init(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_USB2_PAD_MUX);
- value &= ~(XUSB_PADCTL_USB2_PAD_MUX_HSIC_PAD_TRK_MASK <<
- XUSB_PADCTL_USB2_PAD_MUX_HSIC_PAD_TRK_SHIFT);
- value |= XUSB_PADCTL_USB2_PAD_MUX_HSIC_PAD_TRK_XUSB <<
- XUSB_PADCTL_USB2_PAD_MUX_HSIC_PAD_TRK_SHIFT;
- padctl_writel(padctl, value, XUSB_PADCTL_USB2_PAD_MUX);
- return tegra210_xusb_padctl_enable(padctl);
- }
- static int tegra210_hsic_phy_exit(struct phy *phy)
- {
- struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
- return tegra210_xusb_padctl_disable(lane->pad->padctl);
- }
- static int tegra210_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;
- struct tegra210_xusb_padctl *priv;
- unsigned int index = lane->index;
- u32 value;
- int err;
- priv = to_tegra210_xusb_padctl(padctl);
- 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));
- value &= ~(XUSB_PADCTL_HSIC_PAD_CTL1_TX_RTUNEP_MASK <<
- XUSB_PADCTL_HSIC_PAD_CTL1_TX_RTUNEP_SHIFT);
- value |= (hsic->tx_rtune_p <<
- XUSB_PADCTL_HSIC_PAD_CTL1_TX_RTUNEP_SHIFT);
- padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PADX_CTL1(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_CTL0(index));
- value &= ~(XUSB_PADCTL_HSIC_PAD_CTL0_RPU_DATA0 |
- XUSB_PADCTL_HSIC_PAD_CTL0_RPU_DATA1 |
- XUSB_PADCTL_HSIC_PAD_CTL0_RPU_STROBE |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_DATA0 |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_DATA1 |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_STROBE |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_DATA0 |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_DATA1 |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_STROBE |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_DATA0 |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_DATA1 |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_STROBE);
- value |= XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA0 |
- XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA1 |
- XUSB_PADCTL_HSIC_PAD_CTL0_RPD_STROBE;
- padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PADX_CTL0(index));
- err = clk_prepare_enable(pad->clk);
- if (err)
- goto disable;
- value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PAD_TRK_CTL);
- value &= ~((XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_START_TIMER_MASK <<
- XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_START_TIMER_SHIFT) |
- (XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_DONE_RESET_TIMER_MASK <<
- XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_DONE_RESET_TIMER_SHIFT));
- value |= (XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_START_TIMER_VAL <<
- XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_START_TIMER_SHIFT) |
- (XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_DONE_RESET_TIMER_VAL <<
- XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_DONE_RESET_TIMER_SHIFT);
- padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PAD_TRK_CTL);
- udelay(1);
- value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PAD_TRK_CTL);
- value &= ~XUSB_PADCTL_HSIC_PAD_TRK_CTL_PD_TRK;
- padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PAD_TRK_CTL);
- udelay(50);
- clk_disable_unprepare(pad->clk);
- return 0;
- disable:
- regulator_disable(pad->supply);
- return err;
- }
- static int tegra210_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_CTL0(index));
- value |= XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_DATA0 |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_DATA1 |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_STROBE |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_DATA0 |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_DATA1 |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_STROBE |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_DATA0 |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_DATA1 |
- XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_STROBE;
- padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PADX_CTL1(index));
- regulator_disable(pad->supply);
- return 0;
- }
- static const struct phy_ops tegra210_hsic_phy_ops = {
- .init = tegra210_hsic_phy_init,
- .exit = tegra210_hsic_phy_exit,
- .power_on = tegra210_hsic_phy_power_on,
- .power_off = tegra210_hsic_phy_power_off,
- .owner = THIS_MODULE,
- };
- static struct tegra_xusb_pad *
- tegra210_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 = &tegra210_hsic_lane_ops;
- pad->soc = soc;
- err = tegra_xusb_pad_init(pad, padctl, np);
- if (err < 0) {
- kfree(hsic);
- goto out;
- }
- hsic->clk = devm_clk_get(&pad->dev, "trk");
- if (IS_ERR(hsic->clk)) {
- err = PTR_ERR(hsic->clk);
- dev_err(&pad->dev, "failed to get trk clock: %d\n", err);
- goto unregister;
- }
- err = tegra_xusb_pad_register(pad, &tegra210_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 tegra210_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 tegra210_hsic_ops = {
- .probe = tegra210_hsic_pad_probe,
- .remove = tegra210_hsic_pad_remove,
- };
- static const struct tegra_xusb_pad_soc tegra210_hsic_pad = {
- .name = "hsic",
- .num_lanes = ARRAY_SIZE(tegra210_hsic_lanes),
- .lanes = tegra210_hsic_lanes,
- .ops = &tegra210_hsic_ops,
- };
- static const char *tegra210_pcie_functions[] = {
- "pcie-x1",
- "usb3-ss",
- "sata",
- "pcie-x4",
- };
- static const struct tegra_xusb_lane_soc tegra210_pcie_lanes[] = {
- TEGRA210_LANE("pcie-0", 0x028, 12, 0x3, pcie),
- TEGRA210_LANE("pcie-1", 0x028, 14, 0x3, pcie),
- TEGRA210_LANE("pcie-2", 0x028, 16, 0x3, pcie),
- TEGRA210_LANE("pcie-3", 0x028, 18, 0x3, pcie),
- TEGRA210_LANE("pcie-4", 0x028, 20, 0x3, pcie),
- TEGRA210_LANE("pcie-5", 0x028, 22, 0x3, pcie),
- TEGRA210_LANE("pcie-6", 0x028, 24, 0x3, pcie),
- };
- static struct tegra_xusb_lane *
- tegra210_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 tegra210_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 tegra210_pcie_lane_ops = {
- .probe = tegra210_pcie_lane_probe,
- .remove = tegra210_pcie_lane_remove,
- };
- static int tegra210_pcie_phy_init(struct phy *phy)
- {
- struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
- return tegra210_xusb_padctl_enable(lane->pad->padctl);
- }
- static int tegra210_pcie_phy_exit(struct phy *phy)
- {
- struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
- return tegra210_xusb_padctl_disable(lane->pad->padctl);
- }
- static int tegra210_pcie_phy_power_on(struct phy *phy)
- {
- struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
- struct tegra_xusb_padctl *padctl = lane->pad->padctl;
- u32 value;
- int err;
- mutex_lock(&padctl->lock);
- err = tegra210_pex_uphy_enable(padctl);
- if (err < 0)
- goto unlock;
- 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);
- unlock:
- mutex_unlock(&padctl->lock);
- return err;
- }
- static int tegra210_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);
- tegra210_pex_uphy_disable(padctl);
- return 0;
- }
- static const struct phy_ops tegra210_pcie_phy_ops = {
- .init = tegra210_pcie_phy_init,
- .exit = tegra210_pcie_phy_exit,
- .power_on = tegra210_pcie_phy_power_on,
- .power_off = tegra210_pcie_phy_power_off,
- .owner = THIS_MODULE,
- };
- static struct tegra_xusb_pad *
- tegra210_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 = &tegra210_pcie_lane_ops;
- pad->soc = soc;
- err = tegra_xusb_pad_init(pad, padctl, np);
- if (err < 0) {
- kfree(pcie);
- goto out;
- }
- pcie->pll = devm_clk_get(&pad->dev, "pll");
- if (IS_ERR(pcie->pll)) {
- err = PTR_ERR(pcie->pll);
- dev_err(&pad->dev, "failed to get PLL: %d\n", err);
- goto unregister;
- }
- pcie->rst = devm_reset_control_get(&pad->dev, "phy");
- if (IS_ERR(pcie->rst)) {
- err = PTR_ERR(pcie->rst);
- dev_err(&pad->dev, "failed to get PCIe pad reset: %d\n", err);
- goto unregister;
- }
- err = tegra_xusb_pad_register(pad, &tegra210_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 tegra210_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 tegra210_pcie_ops = {
- .probe = tegra210_pcie_pad_probe,
- .remove = tegra210_pcie_pad_remove,
- };
- static const struct tegra_xusb_pad_soc tegra210_pcie_pad = {
- .name = "pcie",
- .num_lanes = ARRAY_SIZE(tegra210_pcie_lanes),
- .lanes = tegra210_pcie_lanes,
- .ops = &tegra210_pcie_ops,
- };
- static const struct tegra_xusb_lane_soc tegra210_sata_lanes[] = {
- TEGRA210_LANE("sata-0", 0x028, 30, 0x3, pcie),
- };
- static struct tegra_xusb_lane *
- tegra210_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 tegra210_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 tegra210_sata_lane_ops = {
- .probe = tegra210_sata_lane_probe,
- .remove = tegra210_sata_lane_remove,
- };
- static int tegra210_sata_phy_init(struct phy *phy)
- {
- struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
- return tegra210_xusb_padctl_enable(lane->pad->padctl);
- }
- static int tegra210_sata_phy_exit(struct phy *phy)
- {
- struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
- return tegra210_xusb_padctl_disable(lane->pad->padctl);
- }
- static int tegra210_sata_phy_power_on(struct phy *phy)
- {
- struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
- struct tegra_xusb_padctl *padctl = lane->pad->padctl;
- u32 value;
- int err;
- mutex_lock(&padctl->lock);
- err = tegra210_sata_uphy_enable(padctl, false);
- if (err < 0)
- goto unlock;
- 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);
- unlock:
- mutex_unlock(&padctl->lock);
- return err;
- }
- static int tegra210_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);
- tegra210_sata_uphy_disable(lane->pad->padctl);
- return 0;
- }
- static const struct phy_ops tegra210_sata_phy_ops = {
- .init = tegra210_sata_phy_init,
- .exit = tegra210_sata_phy_exit,
- .power_on = tegra210_sata_phy_power_on,
- .power_off = tegra210_sata_phy_power_off,
- .owner = THIS_MODULE,
- };
- static struct tegra_xusb_pad *
- tegra210_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 = &tegra210_sata_lane_ops;
- pad->soc = soc;
- err = tegra_xusb_pad_init(pad, padctl, np);
- if (err < 0) {
- kfree(sata);
- goto out;
- }
- sata->rst = devm_reset_control_get(&pad->dev, "phy");
- if (IS_ERR(sata->rst)) {
- err = PTR_ERR(sata->rst);
- dev_err(&pad->dev, "failed to get SATA pad reset: %d\n", err);
- goto unregister;
- }
- err = tegra_xusb_pad_register(pad, &tegra210_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 tegra210_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 tegra210_sata_ops = {
- .probe = tegra210_sata_pad_probe,
- .remove = tegra210_sata_pad_remove,
- };
- static const struct tegra_xusb_pad_soc tegra210_sata_pad = {
- .name = "sata",
- .num_lanes = ARRAY_SIZE(tegra210_sata_lanes),
- .lanes = tegra210_sata_lanes,
- .ops = &tegra210_sata_ops,
- };
- static const struct tegra_xusb_pad_soc * const tegra210_pads[] = {
- &tegra210_usb2_pad,
- &tegra210_hsic_pad,
- &tegra210_pcie_pad,
- &tegra210_sata_pad,
- };
- static int tegra210_usb2_port_enable(struct tegra_xusb_port *port)
- {
- return 0;
- }
- static void tegra210_usb2_port_disable(struct tegra_xusb_port *port)
- {
- }
- static struct tegra_xusb_lane *
- tegra210_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 tegra210_usb2_port_ops = {
- .enable = tegra210_usb2_port_enable,
- .disable = tegra210_usb2_port_disable,
- .map = tegra210_usb2_port_map,
- };
- static int tegra210_hsic_port_enable(struct tegra_xusb_port *port)
- {
- return 0;
- }
- static void tegra210_hsic_port_disable(struct tegra_xusb_port *port)
- {
- }
- static struct tegra_xusb_lane *
- tegra210_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 tegra210_hsic_port_ops = {
- .enable = tegra210_hsic_port_enable,
- .disable = tegra210_hsic_port_disable,
- .map = tegra210_hsic_port_map,
- };
- static int tegra210_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;
- u32 value;
- int err;
- 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.
- */
- err = regulator_enable(usb3->supply);
- if (err < 0)
- return err;
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_USB3_PADX_ECTL1(index));
- value &= ~(XUSB_PADCTL_UPHY_USB3_PAD_ECTL1_TX_TERM_CTRL_MASK <<
- XUSB_PADCTL_UPHY_USB3_PAD_ECTL1_TX_TERM_CTRL_SHIFT);
- value |= XUSB_PADCTL_UPHY_USB3_PAD_ECTL1_TX_TERM_CTRL_VAL <<
- XUSB_PADCTL_UPHY_USB3_PAD_ECTL1_TX_TERM_CTRL_SHIFT;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_USB3_PADX_ECTL1(index));
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_USB3_PADX_ECTL2(index));
- value &= ~(XUSB_PADCTL_UPHY_USB3_PAD_ECTL2_RX_CTLE_MASK <<
- XUSB_PADCTL_UPHY_USB3_PAD_ECTL2_RX_CTLE_SHIFT);
- value |= XUSB_PADCTL_UPHY_USB3_PAD_ECTL2_RX_CTLE_VAL <<
- XUSB_PADCTL_UPHY_USB3_PAD_ECTL2_RX_CTLE_SHIFT;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_USB3_PADX_ECTL2(index));
- padctl_writel(padctl, XUSB_PADCTL_UPHY_USB3_PAD_ECTL3_RX_DFE_VAL,
- XUSB_PADCTL_UPHY_USB3_PADX_ECTL3(index));
- value = padctl_readl(padctl, XUSB_PADCTL_UPHY_USB3_PADX_ECTL4(index));
- value &= ~(XUSB_PADCTL_UPHY_USB3_PAD_ECTL4_RX_CDR_CTRL_MASK <<
- XUSB_PADCTL_UPHY_USB3_PAD_ECTL4_RX_CDR_CTRL_SHIFT);
- value |= XUSB_PADCTL_UPHY_USB3_PAD_ECTL4_RX_CDR_CTRL_VAL <<
- XUSB_PADCTL_UPHY_USB3_PAD_ECTL4_RX_CDR_CTRL_SHIFT;
- padctl_writel(padctl, value, XUSB_PADCTL_UPHY_USB3_PADX_ECTL4(index));
- padctl_writel(padctl, XUSB_PADCTL_UPHY_USB3_PAD_ECTL6_RX_EQ_CTRL_H_VAL,
- XUSB_PADCTL_UPHY_USB3_PADX_ECTL6(index));
- if (lane->pad == padctl->sata)
- err = tegra210_sata_uphy_enable(padctl, true);
- else
- err = tegra210_pex_uphy_enable(padctl);
- if (err) {
- dev_err(&port->dev, "%s: failed to enable UPHY: %d\n",
- __func__, err);
- return err;
- }
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
- value &= ~XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_VCORE_DOWN(index);
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
- usleep_range(100, 200);
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
- value &= ~XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_CLAMP_EN_EARLY(index);
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
- usleep_range(100, 200);
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
- value &= ~XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_CLAMP_EN(index);
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
- return 0;
- }
- static void tegra210_usb3_port_disable(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 = port->lane;
- unsigned int index = port->index;
- u32 value;
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
- value |= XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_CLAMP_EN_EARLY(index);
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
- usleep_range(100, 200);
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
- value |= XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_CLAMP_EN(index);
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
- usleep_range(250, 350);
- value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
- value |= XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_VCORE_DOWN(index);
- padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
- if (lane->pad == padctl->sata)
- tegra210_sata_uphy_disable(padctl);
- else
- tegra210_pex_uphy_disable(padctl);
- regulator_disable(usb3->supply);
- value = padctl_readl(padctl, XUSB_PADCTL_SS_PORT_MAP);
- value &= ~XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP_MASK(index);
- value |= XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP(index, 0x7);
- padctl_writel(padctl, value, XUSB_PADCTL_SS_PORT_MAP);
- }
- static const struct tegra_xusb_lane_map tegra210_usb3_map[] = {
- { 0, "pcie", 6 },
- { 1, "pcie", 5 },
- { 2, "pcie", 0 },
- { 2, "pcie", 3 },
- { 3, "pcie", 4 },
- { 3, "pcie", 4 },
- { 0, NULL, 0 }
- };
- static struct tegra_xusb_lane *
- tegra210_usb3_port_map(struct tegra_xusb_port *port)
- {
- return tegra_xusb_port_find_lane(port, tegra210_usb3_map, "usb3-ss");
- }
- static const struct tegra_xusb_port_ops tegra210_usb3_port_ops = {
- .enable = tegra210_usb3_port_enable,
- .disable = tegra210_usb3_port_disable,
- .map = tegra210_usb3_port_map,
- };
- static int
- tegra210_xusb_read_fuse_calibration(struct tegra210_xusb_fuse_calibration *fuse)
- {
- unsigned int i;
- u32 value;
- int err;
- 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_term_range_adj =
- (value >> FUSE_SKU_CALIB_HS_TERM_RANGE_ADJ_SHIFT) &
- FUSE_SKU_CALIB_HS_TERM_RANGE_ADJ_MASK;
- err = tegra_fuse_readl(TEGRA_FUSE_USB_CALIB_EXT_0, &value);
- if (err < 0)
- return err;
- fuse->rpd_ctrl =
- (value >> FUSE_USB_CALIB_EXT_RPD_CTRL_SHIFT) &
- FUSE_USB_CALIB_EXT_RPD_CTRL_MASK;
- return 0;
- }
- static struct tegra_xusb_padctl *
- tegra210_xusb_padctl_probe(struct device *dev,
- const struct tegra_xusb_padctl_soc *soc)
- {
- struct tegra210_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 = tegra210_xusb_read_fuse_calibration(&padctl->fuse);
- if (err < 0)
- return ERR_PTR(err);
- return &padctl->base;
- }
- static void tegra210_xusb_padctl_remove(struct tegra_xusb_padctl *padctl)
- {
- }
- static const struct tegra_xusb_padctl_ops tegra210_xusb_padctl_ops = {
- .probe = tegra210_xusb_padctl_probe,
- .remove = tegra210_xusb_padctl_remove,
- .usb3_set_lfps_detect = tegra210_usb3_set_lfps_detect,
- .hsic_set_idle = tegra210_hsic_set_idle,
- };
- const struct tegra_xusb_padctl_soc tegra210_xusb_padctl_soc = {
- .num_pads = ARRAY_SIZE(tegra210_pads),
- .pads = tegra210_pads,
- .ports = {
- .usb2 = {
- .ops = &tegra210_usb2_port_ops,
- .count = 4,
- },
- .hsic = {
- .ops = &tegra210_hsic_port_ops,
- .count = 1,
- },
- .usb3 = {
- .ops = &tegra210_usb3_port_ops,
- .count = 4,
- },
- },
- .ops = &tegra210_xusb_padctl_ops,
- };
- EXPORT_SYMBOL_GPL(tegra210_xusb_padctl_soc);
- MODULE_AUTHOR("Andrew Bresticker <abrestic@chromium.org>");
- MODULE_DESCRIPTION("NVIDIA Tegra 210 XUSB Pad Controller driver");
- MODULE_LICENSE("GPL v2");
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