2 * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
3 * Copyright (C) 2015 Google, Inc.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 #include <linux/clk.h>
16 #include <linux/clk/tegra.h>
17 #include <linux/delay.h>
19 #include <linux/mailbox_client.h>
20 #include <linux/module.h>
22 #include <linux/phy/phy.h>
23 #include <linux/platform_device.h>
24 #include <linux/regulator/consumer.h>
25 #include <linux/reset.h>
26 #include <linux/slab.h>
28 #include <soc/tegra/fuse.h>
32 #define FUSE_SKU_CALIB_HS_CURR_LEVEL_PADX_SHIFT(x) \
33 ((x) ? (11 + ((x) - 1) * 6) : 0)
34 #define FUSE_SKU_CALIB_HS_CURR_LEVEL_PAD_MASK 0x3f
35 #define FUSE_SKU_CALIB_HS_TERM_RANGE_ADJ_SHIFT 7
36 #define FUSE_SKU_CALIB_HS_TERM_RANGE_ADJ_MASK 0xf
38 #define FUSE_USB_CALIB_EXT_RPD_CTRL_SHIFT 0
39 #define FUSE_USB_CALIB_EXT_RPD_CTRL_MASK 0x1f
41 #define XUSB_PADCTL_USB2_PAD_MUX 0x004
42 #define XUSB_PADCTL_USB2_PAD_MUX_HSIC_PAD_TRK_SHIFT 16
43 #define XUSB_PADCTL_USB2_PAD_MUX_HSIC_PAD_TRK_MASK 0x3
44 #define XUSB_PADCTL_USB2_PAD_MUX_HSIC_PAD_TRK_XUSB 0x1
45 #define XUSB_PADCTL_USB2_PAD_MUX_USB2_BIAS_PAD_SHIFT 18
46 #define XUSB_PADCTL_USB2_PAD_MUX_USB2_BIAS_PAD_MASK 0x3
47 #define XUSB_PADCTL_USB2_PAD_MUX_USB2_BIAS_PAD_XUSB 0x1
49 #define XUSB_PADCTL_USB2_PORT_CAP 0x008
50 #define XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_HOST(x) (0x1 << ((x) * 4))
51 #define XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_MASK(x) (0x3 << ((x) * 4))
53 #define XUSB_PADCTL_SS_PORT_MAP 0x014
54 #define XUSB_PADCTL_SS_PORT_MAP_PORTX_INTERNAL(x) (1 << (((x) * 5) + 4))
55 #define XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP_SHIFT(x) ((x) * 5)
56 #define XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP_MASK(x) (0x7 << ((x) * 5))
57 #define XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP(x, v) (((v) & 0x7) << ((x) * 5))
59 #define XUSB_PADCTL_ELPG_PROGRAM1 0x024
60 #define XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_VCORE_DOWN (1 << 31)
61 #define XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_CLAMP_EN_EARLY (1 << 30)
62 #define XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_CLAMP_EN (1 << 29)
63 #define XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_VCORE_DOWN(x) (1 << (2 + (x) * 3))
64 #define XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_CLAMP_EN_EARLY(x) \
66 #define XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_CLAMP_EN(x) (1 << ((x) * 3))
68 #define XUSB_PADCTL_USB3_PAD_MUX 0x028
69 #define XUSB_PADCTL_USB3_PAD_MUX_PCIE_IDDQ_DISABLE(x) (1 << (1 + (x)))
70 #define XUSB_PADCTL_USB3_PAD_MUX_SATA_IDDQ_DISABLE(x) (1 << (8 + (x)))
72 #define XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPADX_CTL1(x) (0x084 + (x) * 0x40)
73 #define XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_LEV_SHIFT 7
74 #define XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_LEV_MASK 0x3
75 #define XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_FIX18 (1 << 6)
77 #define XUSB_PADCTL_USB2_OTG_PADX_CTL0(x) (0x088 + (x) * 0x40)
78 #define XUSB_PADCTL_USB2_OTG_PAD_CTL0_PD_ZI (1 << 29)
79 #define XUSB_PADCTL_USB2_OTG_PAD_CTL0_PD2 (1 << 27)
80 #define XUSB_PADCTL_USB2_OTG_PAD_CTL0_PD (1 << 26)
81 #define XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_CURR_LEVEL_SHIFT 0
82 #define XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_CURR_LEVEL_MASK 0x3f
84 #define XUSB_PADCTL_USB2_OTG_PADX_CTL1(x) (0x08c + (x) * 0x40)
85 #define XUSB_PADCTL_USB2_OTG_PAD_CTL1_RPD_CTRL_SHIFT 26
86 #define XUSB_PADCTL_USB2_OTG_PAD_CTL1_RPD_CTRL_MASK 0x1f
87 #define XUSB_PADCTL_USB2_OTG_PAD_CTL1_TERM_RANGE_ADJ_SHIFT 3
88 #define XUSB_PADCTL_USB2_OTG_PAD_CTL1_TERM_RANGE_ADJ_MASK 0xf
89 #define XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_DR (1 << 2)
90 #define XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_DISC_OVRD (1 << 1)
91 #define XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_CHRP_OVRD (1 << 0)
93 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0 0x284
94 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_PD (1 << 11)
95 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_SHIFT 3
96 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_MASK 0x7
97 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_VAL 0x7
98 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_SHIFT 0
99 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_MASK 0x7
100 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_VAL 0x2
102 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1 0x288
103 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1_PD_TRK (1 << 26)
104 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_DONE_RESET_TIMER_SHIFT 19
105 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_DONE_RESET_TIMER_MASK 0x7f
106 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_DONE_RESET_TIMER_VAL 0x0a
107 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_START_TIMER_SHIFT 12
108 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_START_TIMER_MASK 0x7f
109 #define XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_START_TIMER_VAL 0x1e
111 #define XUSB_PADCTL_HSIC_PADX_CTL0(x) (0x300 + (x) * 0x20)
112 #define XUSB_PADCTL_HSIC_PAD_CTL0_RPU_STROBE (1 << 18)
113 #define XUSB_PADCTL_HSIC_PAD_CTL0_RPU_DATA1 (1 << 17)
114 #define XUSB_PADCTL_HSIC_PAD_CTL0_RPU_DATA0 (1 << 16)
115 #define XUSB_PADCTL_HSIC_PAD_CTL0_RPD_STROBE (1 << 15)
116 #define XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA1 (1 << 14)
117 #define XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA0 (1 << 13)
118 #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_STROBE (1 << 9)
119 #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_DATA1 (1 << 8)
120 #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_DATA0 (1 << 7)
121 #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_STROBE (1 << 6)
122 #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_DATA1 (1 << 5)
123 #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_DATA0 (1 << 4)
124 #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_STROBE (1 << 3)
125 #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_DATA1 (1 << 2)
126 #define XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_DATA0 (1 << 1)
128 #define XUSB_PADCTL_HSIC_PADX_CTL1(x) (0x304 + (x) * 0x20)
129 #define XUSB_PADCTL_HSIC_PAD_CTL1_TX_RTUNEP_SHIFT 0
130 #define XUSB_PADCTL_HSIC_PAD_CTL1_TX_RTUNEP_MASK 0xf
132 #define XUSB_PADCTL_HSIC_PADX_CTL2(x) (0x308 + (x) * 0x20)
133 #define XUSB_PADCTL_HSIC_PAD_CTL2_RX_STROBE_TRIM_SHIFT 8
134 #define XUSB_PADCTL_HSIC_PAD_CTL2_RX_STROBE_TRIM_MASK 0xf
135 #define XUSB_PADCTL_HSIC_PAD_CTL2_RX_DATA_TRIM_SHIFT 0
136 #define XUSB_PADCTL_HSIC_PAD_CTL2_RX_DATA_TRIM_MASK 0xff
138 #define XUSB_PADCTL_HSIC_PAD_TRK_CTL 0x340
139 #define XUSB_PADCTL_HSIC_PAD_TRK_CTL_PD_TRK (1 << 19)
140 #define XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_DONE_RESET_TIMER_SHIFT 12
141 #define XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_DONE_RESET_TIMER_MASK 0x7f
142 #define XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_DONE_RESET_TIMER_VAL 0x0a
143 #define XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_START_TIMER_SHIFT 5
144 #define XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_START_TIMER_MASK 0x7f
145 #define XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_START_TIMER_VAL 0x1e
147 #define XUSB_PADCTL_HSIC_STRB_TRIM_CONTROL 0x344
149 #define XUSB_PADCTL_UPHY_PLL_P0_CTL1 0x360
150 #define XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SHIFT 20
151 #define XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_MASK 0xff
152 #define XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_USB_VAL 0x19
153 #define XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SATA_VAL 0x1e
154 #define XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_MDIV_SHIFT 16
155 #define XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_MDIV_MASK 0x3
156 #define XUSB_PADCTL_UPHY_PLL_CTL1_LOCKDET_STATUS (1 << 15)
157 #define XUSB_PADCTL_UPHY_PLL_CTL1_PWR_OVRD (1 << 4)
158 #define XUSB_PADCTL_UPHY_PLL_CTL1_ENABLE (1 << 3)
159 #define XUSB_PADCTL_UPHY_PLL_CTL1_SLEEP_SHIFT 1
160 #define XUSB_PADCTL_UPHY_PLL_CTL1_SLEEP_MASK 0x3
161 #define XUSB_PADCTL_UPHY_PLL_CTL1_IDDQ (1 << 0)
163 #define XUSB_PADCTL_UPHY_PLL_P0_CTL2 0x364
164 #define XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_SHIFT 4
165 #define XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_MASK 0xffffff
166 #define XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_VAL 0x136
167 #define XUSB_PADCTL_UPHY_PLL_CTL2_CAL_OVRD (1 << 2)
168 #define XUSB_PADCTL_UPHY_PLL_CTL2_CAL_DONE (1 << 1)
169 #define XUSB_PADCTL_UPHY_PLL_CTL2_CAL_EN (1 << 0)
171 #define XUSB_PADCTL_UPHY_PLL_P0_CTL4 0x36c
172 #define XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_EN (1 << 15)
173 #define XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SHIFT 12
174 #define XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_MASK 0x3
175 #define XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_USB_VAL 0x2
176 #define XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SATA_VAL 0x0
177 #define XUSB_PADCTL_UPHY_PLL_CTL4_REFCLKBUF_EN (1 << 8)
178 #define XUSB_PADCTL_UPHY_PLL_CTL4_REFCLK_SEL_SHIFT 4
179 #define XUSB_PADCTL_UPHY_PLL_CTL4_REFCLK_SEL_MASK 0xf
181 #define XUSB_PADCTL_UPHY_PLL_P0_CTL5 0x370
182 #define XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_SHIFT 16
183 #define XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_MASK 0xff
184 #define XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_VAL 0x2a
186 #define XUSB_PADCTL_UPHY_PLL_P0_CTL8 0x37c
187 #define XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_DONE (1 << 31)
188 #define XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_OVRD (1 << 15)
189 #define XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_CLK_EN (1 << 13)
190 #define XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_EN (1 << 12)
192 #define XUSB_PADCTL_UPHY_MISC_PAD_PX_CTL1(x) (0x460 + (x) * 0x40)
193 #define XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_IDLE_MODE_SHIFT 20
194 #define XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_IDLE_MODE_MASK 0x3
195 #define XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_IDLE_MODE_VAL 0x1
196 #define XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_TERM_EN BIT(18)
197 #define XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_MODE_OVRD BIT(13)
199 #define XUSB_PADCTL_UPHY_PLL_S0_CTL1 0x860
201 #define XUSB_PADCTL_UPHY_PLL_S0_CTL2 0x864
203 #define XUSB_PADCTL_UPHY_PLL_S0_CTL4 0x86c
205 #define XUSB_PADCTL_UPHY_PLL_S0_CTL5 0x870
207 #define XUSB_PADCTL_UPHY_PLL_S0_CTL8 0x87c
209 #define XUSB_PADCTL_UPHY_MISC_PAD_S0_CTL1 0x960
211 #define XUSB_PADCTL_UPHY_USB3_PADX_ECTL1(x) (0xa60 + (x) * 0x40)
212 #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL1_TX_TERM_CTRL_SHIFT 16
213 #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL1_TX_TERM_CTRL_MASK 0x3
214 #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL1_TX_TERM_CTRL_VAL 0x2
216 #define XUSB_PADCTL_UPHY_USB3_PADX_ECTL2(x) (0xa64 + (x) * 0x40)
217 #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL2_RX_CTLE_SHIFT 0
218 #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL2_RX_CTLE_MASK 0xffff
219 #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL2_RX_CTLE_VAL 0x00fc
221 #define XUSB_PADCTL_UPHY_USB3_PADX_ECTL3(x) (0xa68 + (x) * 0x40)
222 #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL3_RX_DFE_VAL 0xc0077f1f
224 #define XUSB_PADCTL_UPHY_USB3_PADX_ECTL4(x) (0xa6c + (x) * 0x40)
225 #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL4_RX_CDR_CTRL_SHIFT 16
226 #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL4_RX_CDR_CTRL_MASK 0xffff
227 #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL4_RX_CDR_CTRL_VAL 0x01c7
229 #define XUSB_PADCTL_UPHY_USB3_PADX_ECTL6(x) (0xa74 + (x) * 0x40)
230 #define XUSB_PADCTL_UPHY_USB3_PAD_ECTL6_RX_EQ_CTRL_H_VAL 0xfcf01368
232 struct tegra210_xusb_fuse_calibration {
233 u32 hs_curr_level[4];
234 u32 hs_term_range_adj;
238 struct tegra210_xusb_padctl {
239 struct tegra_xusb_padctl base;
241 struct tegra210_xusb_fuse_calibration fuse;
244 static inline struct tegra210_xusb_padctl *
245 to_tegra210_xusb_padctl(struct tegra_xusb_padctl *padctl)
247 return container_of(padctl, struct tegra210_xusb_padctl, base);
250 /* must be called under padctl->lock */
251 static int tegra210_pex_uphy_enable(struct tegra_xusb_padctl *padctl)
253 struct tegra_xusb_pcie_pad *pcie = to_pcie_pad(padctl->pcie);
254 unsigned long timeout;
258 if (pcie->enable > 0) {
263 err = clk_prepare_enable(pcie->pll);
267 err = reset_control_deassert(pcie->rst);
271 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
272 value &= ~(XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_MASK <<
273 XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_SHIFT);
274 value |= XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_VAL <<
275 XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_SHIFT;
276 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
278 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL5);
279 value &= ~(XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_MASK <<
280 XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_SHIFT);
281 value |= XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_VAL <<
282 XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_SHIFT;
283 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL5);
285 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
286 value |= XUSB_PADCTL_UPHY_PLL_CTL1_PWR_OVRD;
287 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
289 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
290 value |= XUSB_PADCTL_UPHY_PLL_CTL2_CAL_OVRD;
291 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
293 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
294 value |= XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_OVRD;
295 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
297 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL4);
298 value &= ~((XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_MASK <<
299 XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SHIFT) |
300 (XUSB_PADCTL_UPHY_PLL_CTL4_REFCLK_SEL_MASK <<
301 XUSB_PADCTL_UPHY_PLL_CTL4_REFCLK_SEL_SHIFT));
302 value |= (XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_USB_VAL <<
303 XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SHIFT) |
304 XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_EN;
305 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL4);
307 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
308 value &= ~((XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_MDIV_MASK <<
309 XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_MDIV_SHIFT) |
310 (XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_MASK <<
311 XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SHIFT));
312 value |= XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_USB_VAL <<
313 XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SHIFT;
314 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
316 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
317 value &= ~XUSB_PADCTL_UPHY_PLL_CTL1_IDDQ;
318 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
320 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
321 value &= ~(XUSB_PADCTL_UPHY_PLL_CTL1_SLEEP_MASK <<
322 XUSB_PADCTL_UPHY_PLL_CTL1_SLEEP_SHIFT);
323 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
325 usleep_range(10, 20);
327 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL4);
328 value |= XUSB_PADCTL_UPHY_PLL_CTL4_REFCLKBUF_EN;
329 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL4);
331 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
332 value |= XUSB_PADCTL_UPHY_PLL_CTL2_CAL_EN;
333 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
335 timeout = jiffies + msecs_to_jiffies(100);
337 while (time_before(jiffies, timeout)) {
338 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
339 if (value & XUSB_PADCTL_UPHY_PLL_CTL2_CAL_DONE)
342 usleep_range(10, 20);
345 if (time_after_eq(jiffies, timeout)) {
350 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
351 value &= ~XUSB_PADCTL_UPHY_PLL_CTL2_CAL_EN;
352 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
354 timeout = jiffies + msecs_to_jiffies(100);
356 while (time_before(jiffies, timeout)) {
357 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
358 if (!(value & XUSB_PADCTL_UPHY_PLL_CTL2_CAL_DONE))
361 usleep_range(10, 20);
364 if (time_after_eq(jiffies, timeout)) {
369 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
370 value |= XUSB_PADCTL_UPHY_PLL_CTL1_ENABLE;
371 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
373 timeout = jiffies + msecs_to_jiffies(100);
375 while (time_before(jiffies, timeout)) {
376 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
377 if (value & XUSB_PADCTL_UPHY_PLL_CTL1_LOCKDET_STATUS)
380 usleep_range(10, 20);
383 if (time_after_eq(jiffies, timeout)) {
388 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
389 value |= XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_EN |
390 XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_CLK_EN;
391 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
393 timeout = jiffies + msecs_to_jiffies(100);
395 while (time_before(jiffies, timeout)) {
396 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
397 if (value & XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_DONE)
400 usleep_range(10, 20);
403 if (time_after_eq(jiffies, timeout)) {
408 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
409 value &= ~XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_EN;
410 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
412 timeout = jiffies + msecs_to_jiffies(100);
414 while (time_before(jiffies, timeout)) {
415 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
416 if (!(value & XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_DONE))
419 usleep_range(10, 20);
422 if (time_after_eq(jiffies, timeout)) {
427 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
428 value &= ~XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_CLK_EN;
429 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
431 tegra210_xusb_pll_hw_control_enable();
433 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
434 value &= ~XUSB_PADCTL_UPHY_PLL_CTL1_PWR_OVRD;
435 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL1);
437 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
438 value &= ~XUSB_PADCTL_UPHY_PLL_CTL2_CAL_OVRD;
439 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL2);
441 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
442 value &= ~XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_OVRD;
443 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_P0_CTL8);
445 usleep_range(10, 20);
447 tegra210_xusb_pll_hw_sequence_start();
454 reset_control_assert(pcie->rst);
456 clk_disable_unprepare(pcie->pll);
460 static void tegra210_pex_uphy_disable(struct tegra_xusb_padctl *padctl)
462 struct tegra_xusb_pcie_pad *pcie = to_pcie_pad(padctl->pcie);
464 mutex_lock(&padctl->lock);
466 if (WARN_ON(pcie->enable == 0))
469 if (--pcie->enable > 0)
472 reset_control_assert(pcie->rst);
473 clk_disable_unprepare(pcie->pll);
476 mutex_unlock(&padctl->lock);
479 /* must be called under padctl->lock */
480 static int tegra210_sata_uphy_enable(struct tegra_xusb_padctl *padctl, bool usb)
482 struct tegra_xusb_sata_pad *sata = to_sata_pad(padctl->sata);
483 unsigned long timeout;
487 if (sata->enable > 0) {
492 err = clk_prepare_enable(sata->pll);
496 err = reset_control_deassert(sata->rst);
500 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
501 value &= ~(XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_MASK <<
502 XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_SHIFT);
503 value |= XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_VAL <<
504 XUSB_PADCTL_UPHY_PLL_CTL2_CAL_CTRL_SHIFT;
505 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
507 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL5);
508 value &= ~(XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_MASK <<
509 XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_SHIFT);
510 value |= XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_VAL <<
511 XUSB_PADCTL_UPHY_PLL_CTL5_DCO_CTRL_SHIFT;
512 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL5);
514 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
515 value |= XUSB_PADCTL_UPHY_PLL_CTL1_PWR_OVRD;
516 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
518 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
519 value |= XUSB_PADCTL_UPHY_PLL_CTL2_CAL_OVRD;
520 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
522 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
523 value |= XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_OVRD;
524 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
526 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL4);
527 value &= ~((XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_MASK <<
528 XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SHIFT) |
529 (XUSB_PADCTL_UPHY_PLL_CTL4_REFCLK_SEL_MASK <<
530 XUSB_PADCTL_UPHY_PLL_CTL4_REFCLK_SEL_SHIFT));
531 value |= XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_EN;
534 value |= (XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_USB_VAL <<
535 XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SHIFT);
537 value |= (XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SATA_VAL <<
538 XUSB_PADCTL_UPHY_PLL_CTL4_TXCLKREF_SEL_SHIFT);
540 /* XXX PLL0_XDIGCLK_EN */
543 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL4);
546 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
547 value &= ~((XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_MDIV_MASK <<
548 XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_MDIV_SHIFT) |
549 (XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_MASK <<
550 XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SHIFT));
553 value |= XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_USB_VAL <<
554 XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SHIFT;
556 value |= XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SATA_VAL <<
557 XUSB_PADCTL_UPHY_PLL_CTL1_FREQ_NDIV_SHIFT;
559 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
561 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
562 value &= ~XUSB_PADCTL_UPHY_PLL_CTL1_IDDQ;
563 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
565 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
566 value &= ~(XUSB_PADCTL_UPHY_PLL_CTL1_SLEEP_MASK <<
567 XUSB_PADCTL_UPHY_PLL_CTL1_SLEEP_SHIFT);
568 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
570 usleep_range(10, 20);
572 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL4);
573 value |= XUSB_PADCTL_UPHY_PLL_CTL4_REFCLKBUF_EN;
574 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL4);
576 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
577 value |= XUSB_PADCTL_UPHY_PLL_CTL2_CAL_EN;
578 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
580 timeout = jiffies + msecs_to_jiffies(100);
582 while (time_before(jiffies, timeout)) {
583 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
584 if (value & XUSB_PADCTL_UPHY_PLL_CTL2_CAL_DONE)
587 usleep_range(10, 20);
590 if (time_after_eq(jiffies, timeout)) {
595 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
596 value &= ~XUSB_PADCTL_UPHY_PLL_CTL2_CAL_EN;
597 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
599 timeout = jiffies + msecs_to_jiffies(100);
601 while (time_before(jiffies, timeout)) {
602 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
603 if (!(value & XUSB_PADCTL_UPHY_PLL_CTL2_CAL_DONE))
606 usleep_range(10, 20);
609 if (time_after_eq(jiffies, timeout)) {
614 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
615 value |= XUSB_PADCTL_UPHY_PLL_CTL1_ENABLE;
616 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
618 timeout = jiffies + msecs_to_jiffies(100);
620 while (time_before(jiffies, timeout)) {
621 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
622 if (value & XUSB_PADCTL_UPHY_PLL_CTL1_LOCKDET_STATUS)
625 usleep_range(10, 20);
628 if (time_after_eq(jiffies, timeout)) {
633 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
634 value |= XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_EN |
635 XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_CLK_EN;
636 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
638 timeout = jiffies + msecs_to_jiffies(100);
640 while (time_before(jiffies, timeout)) {
641 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
642 if (value & XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_DONE)
645 usleep_range(10, 20);
648 if (time_after_eq(jiffies, timeout)) {
653 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
654 value &= ~XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_EN;
655 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
657 timeout = jiffies + msecs_to_jiffies(100);
659 while (time_before(jiffies, timeout)) {
660 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
661 if (!(value & XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_DONE))
664 usleep_range(10, 20);
667 if (time_after_eq(jiffies, timeout)) {
672 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
673 value &= ~XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_CLK_EN;
674 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
676 tegra210_sata_pll_hw_control_enable();
678 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
679 value &= ~XUSB_PADCTL_UPHY_PLL_CTL1_PWR_OVRD;
680 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL1);
682 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
683 value &= ~XUSB_PADCTL_UPHY_PLL_CTL2_CAL_OVRD;
684 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL2);
686 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
687 value &= ~XUSB_PADCTL_UPHY_PLL_CTL8_RCAL_OVRD;
688 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_PLL_S0_CTL8);
690 usleep_range(10, 20);
692 tegra210_sata_pll_hw_sequence_start();
699 reset_control_assert(sata->rst);
701 clk_disable_unprepare(sata->pll);
705 static void tegra210_sata_uphy_disable(struct tegra_xusb_padctl *padctl)
707 struct tegra_xusb_sata_pad *sata = to_sata_pad(padctl->sata);
709 mutex_lock(&padctl->lock);
711 if (WARN_ON(sata->enable == 0))
714 if (--sata->enable > 0)
717 reset_control_assert(sata->rst);
718 clk_disable_unprepare(sata->pll);
721 mutex_unlock(&padctl->lock);
724 static int tegra210_xusb_padctl_enable(struct tegra_xusb_padctl *padctl)
728 mutex_lock(&padctl->lock);
730 if (padctl->enable++ > 0)
733 value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
734 value &= ~XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_CLAMP_EN;
735 padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
737 usleep_range(100, 200);
739 value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
740 value &= ~XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_CLAMP_EN_EARLY;
741 padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
743 usleep_range(100, 200);
745 value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
746 value &= ~XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_VCORE_DOWN;
747 padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
750 mutex_unlock(&padctl->lock);
754 static int tegra210_xusb_padctl_disable(struct tegra_xusb_padctl *padctl)
758 mutex_lock(&padctl->lock);
760 if (WARN_ON(padctl->enable == 0))
763 if (--padctl->enable > 0)
766 value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
767 value |= XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_VCORE_DOWN;
768 padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
770 usleep_range(100, 200);
772 value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
773 value |= XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_CLAMP_EN_EARLY;
774 padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
776 usleep_range(100, 200);
778 value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
779 value |= XUSB_PADCTL_ELPG_PROGRAM1_AUX_MUX_LP0_CLAMP_EN;
780 padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
783 mutex_unlock(&padctl->lock);
787 static int tegra210_hsic_set_idle(struct tegra_xusb_padctl *padctl,
788 unsigned int index, bool idle)
792 value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PADX_CTL0(index));
794 value &= ~(XUSB_PADCTL_HSIC_PAD_CTL0_RPU_DATA0 |
795 XUSB_PADCTL_HSIC_PAD_CTL0_RPU_DATA1 |
796 XUSB_PADCTL_HSIC_PAD_CTL0_RPD_STROBE);
799 value |= XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA0 |
800 XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA1 |
801 XUSB_PADCTL_HSIC_PAD_CTL0_RPU_STROBE;
803 value &= ~(XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA0 |
804 XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA1 |
805 XUSB_PADCTL_HSIC_PAD_CTL0_RPU_STROBE);
807 padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PADX_CTL0(index));
812 static int tegra210_usb3_set_lfps_detect(struct tegra_xusb_padctl *padctl,
813 unsigned int index, bool enable)
815 struct tegra_xusb_port *port;
816 struct tegra_xusb_lane *lane;
819 port = tegra_xusb_find_port(padctl, "usb3", index);
825 if (lane->pad == padctl->pcie)
826 offset = XUSB_PADCTL_UPHY_MISC_PAD_PX_CTL1(lane->index);
828 offset = XUSB_PADCTL_UPHY_MISC_PAD_S0_CTL1;
830 value = padctl_readl(padctl, offset);
832 value &= ~((XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_IDLE_MODE_MASK <<
833 XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_IDLE_MODE_SHIFT) |
834 XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_TERM_EN |
835 XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_MODE_OVRD);
838 value |= (XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_IDLE_MODE_VAL <<
839 XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_IDLE_MODE_SHIFT) |
840 XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_TERM_EN |
841 XUSB_PADCTL_UPHY_MISC_PAD_CTL1_AUX_RX_MODE_OVRD;
844 padctl_writel(padctl, value, offset);
849 #define TEGRA210_LANE(_name, _offset, _shift, _mask, _type) \
855 .num_funcs = ARRAY_SIZE(tegra210_##_type##_functions), \
856 .funcs = tegra210_##_type##_functions, \
859 static const char *tegra210_usb2_functions[] = {
865 static const struct tegra_xusb_lane_soc tegra210_usb2_lanes[] = {
866 TEGRA210_LANE("usb2-0", 0x004, 0, 0x3, usb2),
867 TEGRA210_LANE("usb2-1", 0x004, 2, 0x3, usb2),
868 TEGRA210_LANE("usb2-2", 0x004, 4, 0x3, usb2),
869 TEGRA210_LANE("usb2-3", 0x004, 6, 0x3, usb2),
872 static struct tegra_xusb_lane *
873 tegra210_usb2_lane_probe(struct tegra_xusb_pad *pad, struct device_node *np,
876 struct tegra_xusb_usb2_lane *usb2;
879 usb2 = kzalloc(sizeof(*usb2), GFP_KERNEL);
881 return ERR_PTR(-ENOMEM);
883 INIT_LIST_HEAD(&usb2->base.list);
884 usb2->base.soc = &pad->soc->lanes[index];
885 usb2->base.index = index;
886 usb2->base.pad = pad;
889 err = tegra_xusb_lane_parse_dt(&usb2->base, np);
898 static void tegra210_usb2_lane_remove(struct tegra_xusb_lane *lane)
900 struct tegra_xusb_usb2_lane *usb2 = to_usb2_lane(lane);
905 static const struct tegra_xusb_lane_ops tegra210_usb2_lane_ops = {
906 .probe = tegra210_usb2_lane_probe,
907 .remove = tegra210_usb2_lane_remove,
910 static int tegra210_usb2_phy_init(struct phy *phy)
912 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
913 struct tegra_xusb_padctl *padctl = lane->pad->padctl;
916 value = padctl_readl(padctl, XUSB_PADCTL_USB2_PAD_MUX);
917 value &= ~(XUSB_PADCTL_USB2_PAD_MUX_USB2_BIAS_PAD_MASK <<
918 XUSB_PADCTL_USB2_PAD_MUX_USB2_BIAS_PAD_SHIFT);
919 value |= XUSB_PADCTL_USB2_PAD_MUX_USB2_BIAS_PAD_XUSB <<
920 XUSB_PADCTL_USB2_PAD_MUX_USB2_BIAS_PAD_SHIFT;
921 padctl_writel(padctl, value, XUSB_PADCTL_USB2_PAD_MUX);
923 return tegra210_xusb_padctl_enable(padctl);
926 static int tegra210_usb2_phy_exit(struct phy *phy)
928 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
930 return tegra210_xusb_padctl_disable(lane->pad->padctl);
933 static int tegra210_usb2_phy_power_on(struct phy *phy)
935 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
936 struct tegra_xusb_usb2_lane *usb2 = to_usb2_lane(lane);
937 struct tegra_xusb_usb2_pad *pad = to_usb2_pad(lane->pad);
938 struct tegra_xusb_padctl *padctl = lane->pad->padctl;
939 struct tegra210_xusb_padctl *priv;
940 struct tegra_xusb_usb2_port *port;
941 unsigned int index = lane->index;
945 port = tegra_xusb_find_usb2_port(padctl, index);
947 dev_err(&phy->dev, "no port found for USB2 lane %u\n", index);
951 priv = to_tegra210_xusb_padctl(padctl);
953 value = padctl_readl(padctl, XUSB_PADCTL_USB2_BIAS_PAD_CTL0);
954 value &= ~((XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_MASK <<
955 XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_SHIFT) |
956 (XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_MASK <<
957 XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_SHIFT));
958 value |= (XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_VAL <<
959 XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL_SHIFT);
961 if (tegra_sku_info.revision < TEGRA_REVISION_A02)
963 (XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_VAL <<
964 XUSB_PADCTL_USB2_BIAS_PAD_CTL0_HS_SQUELCH_LEVEL_SHIFT);
966 padctl_writel(padctl, value, XUSB_PADCTL_USB2_BIAS_PAD_CTL0);
968 value = padctl_readl(padctl, XUSB_PADCTL_USB2_PORT_CAP);
969 value &= ~XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_MASK(index);
970 value |= XUSB_PADCTL_USB2_PORT_CAP_PORTX_CAP_HOST(index);
971 padctl_writel(padctl, value, XUSB_PADCTL_USB2_PORT_CAP);
973 value = padctl_readl(padctl, XUSB_PADCTL_USB2_OTG_PADX_CTL0(index));
974 value &= ~((XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_CURR_LEVEL_MASK <<
975 XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_CURR_LEVEL_SHIFT) |
976 XUSB_PADCTL_USB2_OTG_PAD_CTL0_PD |
977 XUSB_PADCTL_USB2_OTG_PAD_CTL0_PD2 |
978 XUSB_PADCTL_USB2_OTG_PAD_CTL0_PD_ZI);
979 value |= (priv->fuse.hs_curr_level[index] +
980 usb2->hs_curr_level_offset) <<
981 XUSB_PADCTL_USB2_OTG_PAD_CTL0_HS_CURR_LEVEL_SHIFT;
982 padctl_writel(padctl, value, XUSB_PADCTL_USB2_OTG_PADX_CTL0(index));
984 value = padctl_readl(padctl, XUSB_PADCTL_USB2_OTG_PADX_CTL1(index));
985 value &= ~((XUSB_PADCTL_USB2_OTG_PAD_CTL1_TERM_RANGE_ADJ_MASK <<
986 XUSB_PADCTL_USB2_OTG_PAD_CTL1_TERM_RANGE_ADJ_SHIFT) |
987 (XUSB_PADCTL_USB2_OTG_PAD_CTL1_RPD_CTRL_MASK <<
988 XUSB_PADCTL_USB2_OTG_PAD_CTL1_RPD_CTRL_SHIFT) |
989 XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_DR |
990 XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_CHRP_OVRD |
991 XUSB_PADCTL_USB2_OTG_PAD_CTL1_PD_DISC_OVRD);
992 value |= (priv->fuse.hs_term_range_adj <<
993 XUSB_PADCTL_USB2_OTG_PAD_CTL1_TERM_RANGE_ADJ_SHIFT) |
994 (priv->fuse.rpd_ctrl <<
995 XUSB_PADCTL_USB2_OTG_PAD_CTL1_RPD_CTRL_SHIFT);
996 padctl_writel(padctl, value, XUSB_PADCTL_USB2_OTG_PADX_CTL1(index));
998 value = padctl_readl(padctl,
999 XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPADX_CTL1(index));
1000 value &= ~(XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_LEV_MASK <<
1001 XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_LEV_SHIFT);
1002 value |= XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPAD_CTL1_VREG_FIX18;
1003 padctl_writel(padctl, value,
1004 XUSB_PADCTL_USB2_BATTERY_CHRG_OTGPADX_CTL1(index));
1006 err = regulator_enable(port->supply);
1010 mutex_lock(&padctl->lock);
1012 if (pad->enable > 0) {
1014 mutex_unlock(&padctl->lock);
1018 err = clk_prepare_enable(pad->clk);
1020 goto disable_regulator;
1022 value = padctl_readl(padctl, XUSB_PADCTL_USB2_BIAS_PAD_CTL1);
1023 value &= ~((XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_START_TIMER_MASK <<
1024 XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_START_TIMER_SHIFT) |
1025 (XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_DONE_RESET_TIMER_MASK <<
1026 XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_DONE_RESET_TIMER_SHIFT));
1027 value |= (XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_START_TIMER_VAL <<
1028 XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_START_TIMER_SHIFT) |
1029 (XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_DONE_RESET_TIMER_VAL <<
1030 XUSB_PADCTL_USB2_BIAS_PAD_CTL1_TRK_DONE_RESET_TIMER_SHIFT);
1031 padctl_writel(padctl, value, XUSB_PADCTL_USB2_BIAS_PAD_CTL1);
1033 value = padctl_readl(padctl, XUSB_PADCTL_USB2_BIAS_PAD_CTL0);
1034 value &= ~XUSB_PADCTL_USB2_BIAS_PAD_CTL0_PD;
1035 padctl_writel(padctl, value, XUSB_PADCTL_USB2_BIAS_PAD_CTL0);
1039 value = padctl_readl(padctl, XUSB_PADCTL_USB2_BIAS_PAD_CTL1);
1040 value &= ~XUSB_PADCTL_USB2_BIAS_PAD_CTL1_PD_TRK;
1041 padctl_writel(padctl, value, XUSB_PADCTL_USB2_BIAS_PAD_CTL1);
1045 clk_disable_unprepare(pad->clk);
1048 mutex_unlock(&padctl->lock);
1053 regulator_disable(port->supply);
1054 mutex_unlock(&padctl->lock);
1058 static int tegra210_usb2_phy_power_off(struct phy *phy)
1060 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
1061 struct tegra_xusb_usb2_pad *pad = to_usb2_pad(lane->pad);
1062 struct tegra_xusb_padctl *padctl = lane->pad->padctl;
1063 struct tegra_xusb_usb2_port *port;
1066 port = tegra_xusb_find_usb2_port(padctl, lane->index);
1068 dev_err(&phy->dev, "no port found for USB2 lane %u\n",
1073 mutex_lock(&padctl->lock);
1075 if (WARN_ON(pad->enable == 0))
1078 if (--pad->enable > 0)
1081 value = padctl_readl(padctl, XUSB_PADCTL_USB2_BIAS_PAD_CTL0);
1082 value |= XUSB_PADCTL_USB2_BIAS_PAD_CTL0_PD;
1083 padctl_writel(padctl, value, XUSB_PADCTL_USB2_BIAS_PAD_CTL0);
1086 regulator_disable(port->supply);
1087 mutex_unlock(&padctl->lock);
1091 static const struct phy_ops tegra210_usb2_phy_ops = {
1092 .init = tegra210_usb2_phy_init,
1093 .exit = tegra210_usb2_phy_exit,
1094 .power_on = tegra210_usb2_phy_power_on,
1095 .power_off = tegra210_usb2_phy_power_off,
1096 .owner = THIS_MODULE,
1099 static struct tegra_xusb_pad *
1100 tegra210_usb2_pad_probe(struct tegra_xusb_padctl *padctl,
1101 const struct tegra_xusb_pad_soc *soc,
1102 struct device_node *np)
1104 struct tegra_xusb_usb2_pad *usb2;
1105 struct tegra_xusb_pad *pad;
1108 usb2 = kzalloc(sizeof(*usb2), GFP_KERNEL);
1110 return ERR_PTR(-ENOMEM);
1113 pad->ops = &tegra210_usb2_lane_ops;
1116 err = tegra_xusb_pad_init(pad, padctl, np);
1122 usb2->clk = devm_clk_get(&pad->dev, "trk");
1123 if (IS_ERR(usb2->clk)) {
1124 err = PTR_ERR(usb2->clk);
1125 dev_err(&pad->dev, "failed to get trk clock: %d\n", err);
1129 err = tegra_xusb_pad_register(pad, &tegra210_usb2_phy_ops);
1133 dev_set_drvdata(&pad->dev, pad);
1138 device_unregister(&pad->dev);
1140 return ERR_PTR(err);
1143 static void tegra210_usb2_pad_remove(struct tegra_xusb_pad *pad)
1145 struct tegra_xusb_usb2_pad *usb2 = to_usb2_pad(pad);
1150 static const struct tegra_xusb_pad_ops tegra210_usb2_ops = {
1151 .probe = tegra210_usb2_pad_probe,
1152 .remove = tegra210_usb2_pad_remove,
1155 static const struct tegra_xusb_pad_soc tegra210_usb2_pad = {
1157 .num_lanes = ARRAY_SIZE(tegra210_usb2_lanes),
1158 .lanes = tegra210_usb2_lanes,
1159 .ops = &tegra210_usb2_ops,
1162 static const char *tegra210_hsic_functions[] = {
1167 static const struct tegra_xusb_lane_soc tegra210_hsic_lanes[] = {
1168 TEGRA210_LANE("hsic-0", 0x004, 14, 0x1, hsic),
1171 static struct tegra_xusb_lane *
1172 tegra210_hsic_lane_probe(struct tegra_xusb_pad *pad, struct device_node *np,
1175 struct tegra_xusb_hsic_lane *hsic;
1178 hsic = kzalloc(sizeof(*hsic), GFP_KERNEL);
1180 return ERR_PTR(-ENOMEM);
1182 INIT_LIST_HEAD(&hsic->base.list);
1183 hsic->base.soc = &pad->soc->lanes[index];
1184 hsic->base.index = index;
1185 hsic->base.pad = pad;
1188 err = tegra_xusb_lane_parse_dt(&hsic->base, np);
1191 return ERR_PTR(err);
1197 static void tegra210_hsic_lane_remove(struct tegra_xusb_lane *lane)
1199 struct tegra_xusb_hsic_lane *hsic = to_hsic_lane(lane);
1204 static const struct tegra_xusb_lane_ops tegra210_hsic_lane_ops = {
1205 .probe = tegra210_hsic_lane_probe,
1206 .remove = tegra210_hsic_lane_remove,
1209 static int tegra210_hsic_phy_init(struct phy *phy)
1211 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
1212 struct tegra_xusb_padctl *padctl = lane->pad->padctl;
1215 value = padctl_readl(padctl, XUSB_PADCTL_USB2_PAD_MUX);
1216 value &= ~(XUSB_PADCTL_USB2_PAD_MUX_HSIC_PAD_TRK_MASK <<
1217 XUSB_PADCTL_USB2_PAD_MUX_HSIC_PAD_TRK_SHIFT);
1218 value |= XUSB_PADCTL_USB2_PAD_MUX_HSIC_PAD_TRK_XUSB <<
1219 XUSB_PADCTL_USB2_PAD_MUX_HSIC_PAD_TRK_SHIFT;
1220 padctl_writel(padctl, value, XUSB_PADCTL_USB2_PAD_MUX);
1222 return tegra210_xusb_padctl_enable(padctl);
1225 static int tegra210_hsic_phy_exit(struct phy *phy)
1227 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
1229 return tegra210_xusb_padctl_disable(lane->pad->padctl);
1232 static int tegra210_hsic_phy_power_on(struct phy *phy)
1234 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
1235 struct tegra_xusb_hsic_lane *hsic = to_hsic_lane(lane);
1236 struct tegra_xusb_hsic_pad *pad = to_hsic_pad(lane->pad);
1237 struct tegra_xusb_padctl *padctl = lane->pad->padctl;
1238 struct tegra210_xusb_padctl *priv;
1239 unsigned int index = lane->index;
1243 priv = to_tegra210_xusb_padctl(padctl);
1245 err = regulator_enable(pad->supply);
1249 padctl_writel(padctl, hsic->strobe_trim,
1250 XUSB_PADCTL_HSIC_STRB_TRIM_CONTROL);
1252 value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PADX_CTL1(index));
1253 value &= ~(XUSB_PADCTL_HSIC_PAD_CTL1_TX_RTUNEP_MASK <<
1254 XUSB_PADCTL_HSIC_PAD_CTL1_TX_RTUNEP_SHIFT);
1255 value |= (hsic->tx_rtune_p <<
1256 XUSB_PADCTL_HSIC_PAD_CTL1_TX_RTUNEP_SHIFT);
1257 padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PADX_CTL1(index));
1259 value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PADX_CTL2(index));
1260 value &= ~((XUSB_PADCTL_HSIC_PAD_CTL2_RX_STROBE_TRIM_MASK <<
1261 XUSB_PADCTL_HSIC_PAD_CTL2_RX_STROBE_TRIM_SHIFT) |
1262 (XUSB_PADCTL_HSIC_PAD_CTL2_RX_DATA_TRIM_MASK <<
1263 XUSB_PADCTL_HSIC_PAD_CTL2_RX_DATA_TRIM_SHIFT));
1264 value |= (hsic->rx_strobe_trim <<
1265 XUSB_PADCTL_HSIC_PAD_CTL2_RX_STROBE_TRIM_SHIFT) |
1266 (hsic->rx_data_trim <<
1267 XUSB_PADCTL_HSIC_PAD_CTL2_RX_DATA_TRIM_SHIFT);
1268 padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PADX_CTL2(index));
1270 value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PADX_CTL0(index));
1271 value &= ~(XUSB_PADCTL_HSIC_PAD_CTL0_RPU_DATA0 |
1272 XUSB_PADCTL_HSIC_PAD_CTL0_RPU_DATA1 |
1273 XUSB_PADCTL_HSIC_PAD_CTL0_RPU_STROBE |
1274 XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_DATA0 |
1275 XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_DATA1 |
1276 XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_STROBE |
1277 XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_DATA0 |
1278 XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_DATA1 |
1279 XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_STROBE |
1280 XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_DATA0 |
1281 XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_DATA1 |
1282 XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_STROBE);
1283 value |= XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA0 |
1284 XUSB_PADCTL_HSIC_PAD_CTL0_RPD_DATA1 |
1285 XUSB_PADCTL_HSIC_PAD_CTL0_RPD_STROBE;
1286 padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PADX_CTL0(index));
1288 err = clk_prepare_enable(pad->clk);
1292 value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PAD_TRK_CTL);
1293 value &= ~((XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_START_TIMER_MASK <<
1294 XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_START_TIMER_SHIFT) |
1295 (XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_DONE_RESET_TIMER_MASK <<
1296 XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_DONE_RESET_TIMER_SHIFT));
1297 value |= (XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_START_TIMER_VAL <<
1298 XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_START_TIMER_SHIFT) |
1299 (XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_DONE_RESET_TIMER_VAL <<
1300 XUSB_PADCTL_HSIC_PAD_TRK_CTL_TRK_DONE_RESET_TIMER_SHIFT);
1301 padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PAD_TRK_CTL);
1305 value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PAD_TRK_CTL);
1306 value &= ~XUSB_PADCTL_HSIC_PAD_TRK_CTL_PD_TRK;
1307 padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PAD_TRK_CTL);
1311 clk_disable_unprepare(pad->clk);
1316 regulator_disable(pad->supply);
1320 static int tegra210_hsic_phy_power_off(struct phy *phy)
1322 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
1323 struct tegra_xusb_hsic_pad *pad = to_hsic_pad(lane->pad);
1324 struct tegra_xusb_padctl *padctl = lane->pad->padctl;
1325 unsigned int index = lane->index;
1328 value = padctl_readl(padctl, XUSB_PADCTL_HSIC_PADX_CTL0(index));
1329 value |= XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_DATA0 |
1330 XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_DATA1 |
1331 XUSB_PADCTL_HSIC_PAD_CTL0_PD_RX_STROBE |
1332 XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_DATA0 |
1333 XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_DATA1 |
1334 XUSB_PADCTL_HSIC_PAD_CTL0_PD_ZI_STROBE |
1335 XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_DATA0 |
1336 XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_DATA1 |
1337 XUSB_PADCTL_HSIC_PAD_CTL0_PD_TX_STROBE;
1338 padctl_writel(padctl, value, XUSB_PADCTL_HSIC_PADX_CTL1(index));
1340 regulator_disable(pad->supply);
1345 static const struct phy_ops tegra210_hsic_phy_ops = {
1346 .init = tegra210_hsic_phy_init,
1347 .exit = tegra210_hsic_phy_exit,
1348 .power_on = tegra210_hsic_phy_power_on,
1349 .power_off = tegra210_hsic_phy_power_off,
1350 .owner = THIS_MODULE,
1353 static struct tegra_xusb_pad *
1354 tegra210_hsic_pad_probe(struct tegra_xusb_padctl *padctl,
1355 const struct tegra_xusb_pad_soc *soc,
1356 struct device_node *np)
1358 struct tegra_xusb_hsic_pad *hsic;
1359 struct tegra_xusb_pad *pad;
1362 hsic = kzalloc(sizeof(*hsic), GFP_KERNEL);
1364 return ERR_PTR(-ENOMEM);
1367 pad->ops = &tegra210_hsic_lane_ops;
1370 err = tegra_xusb_pad_init(pad, padctl, np);
1376 hsic->clk = devm_clk_get(&pad->dev, "trk");
1377 if (IS_ERR(hsic->clk)) {
1378 err = PTR_ERR(hsic->clk);
1379 dev_err(&pad->dev, "failed to get trk clock: %d\n", err);
1383 err = tegra_xusb_pad_register(pad, &tegra210_hsic_phy_ops);
1387 dev_set_drvdata(&pad->dev, pad);
1392 device_unregister(&pad->dev);
1394 return ERR_PTR(err);
1397 static void tegra210_hsic_pad_remove(struct tegra_xusb_pad *pad)
1399 struct tegra_xusb_hsic_pad *hsic = to_hsic_pad(pad);
1404 static const struct tegra_xusb_pad_ops tegra210_hsic_ops = {
1405 .probe = tegra210_hsic_pad_probe,
1406 .remove = tegra210_hsic_pad_remove,
1409 static const struct tegra_xusb_pad_soc tegra210_hsic_pad = {
1411 .num_lanes = ARRAY_SIZE(tegra210_hsic_lanes),
1412 .lanes = tegra210_hsic_lanes,
1413 .ops = &tegra210_hsic_ops,
1416 static const char *tegra210_pcie_functions[] = {
1423 static const struct tegra_xusb_lane_soc tegra210_pcie_lanes[] = {
1424 TEGRA210_LANE("pcie-0", 0x028, 12, 0x3, pcie),
1425 TEGRA210_LANE("pcie-1", 0x028, 14, 0x3, pcie),
1426 TEGRA210_LANE("pcie-2", 0x028, 16, 0x3, pcie),
1427 TEGRA210_LANE("pcie-3", 0x028, 18, 0x3, pcie),
1428 TEGRA210_LANE("pcie-4", 0x028, 20, 0x3, pcie),
1429 TEGRA210_LANE("pcie-5", 0x028, 22, 0x3, pcie),
1430 TEGRA210_LANE("pcie-6", 0x028, 24, 0x3, pcie),
1433 static struct tegra_xusb_lane *
1434 tegra210_pcie_lane_probe(struct tegra_xusb_pad *pad, struct device_node *np,
1437 struct tegra_xusb_pcie_lane *pcie;
1440 pcie = kzalloc(sizeof(*pcie), GFP_KERNEL);
1442 return ERR_PTR(-ENOMEM);
1444 INIT_LIST_HEAD(&pcie->base.list);
1445 pcie->base.soc = &pad->soc->lanes[index];
1446 pcie->base.index = index;
1447 pcie->base.pad = pad;
1450 err = tegra_xusb_lane_parse_dt(&pcie->base, np);
1453 return ERR_PTR(err);
1459 static void tegra210_pcie_lane_remove(struct tegra_xusb_lane *lane)
1461 struct tegra_xusb_pcie_lane *pcie = to_pcie_lane(lane);
1466 static const struct tegra_xusb_lane_ops tegra210_pcie_lane_ops = {
1467 .probe = tegra210_pcie_lane_probe,
1468 .remove = tegra210_pcie_lane_remove,
1471 static int tegra210_pcie_phy_init(struct phy *phy)
1473 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
1475 return tegra210_xusb_padctl_enable(lane->pad->padctl);
1478 static int tegra210_pcie_phy_exit(struct phy *phy)
1480 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
1482 return tegra210_xusb_padctl_disable(lane->pad->padctl);
1485 static int tegra210_pcie_phy_power_on(struct phy *phy)
1487 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
1488 struct tegra_xusb_padctl *padctl = lane->pad->padctl;
1492 mutex_lock(&padctl->lock);
1494 err = tegra210_pex_uphy_enable(padctl);
1498 value = padctl_readl(padctl, XUSB_PADCTL_USB3_PAD_MUX);
1499 value |= XUSB_PADCTL_USB3_PAD_MUX_PCIE_IDDQ_DISABLE(lane->index);
1500 padctl_writel(padctl, value, XUSB_PADCTL_USB3_PAD_MUX);
1503 mutex_unlock(&padctl->lock);
1507 static int tegra210_pcie_phy_power_off(struct phy *phy)
1509 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
1510 struct tegra_xusb_padctl *padctl = lane->pad->padctl;
1513 value = padctl_readl(padctl, XUSB_PADCTL_USB3_PAD_MUX);
1514 value &= ~XUSB_PADCTL_USB3_PAD_MUX_PCIE_IDDQ_DISABLE(lane->index);
1515 padctl_writel(padctl, value, XUSB_PADCTL_USB3_PAD_MUX);
1517 tegra210_pex_uphy_disable(padctl);
1522 static const struct phy_ops tegra210_pcie_phy_ops = {
1523 .init = tegra210_pcie_phy_init,
1524 .exit = tegra210_pcie_phy_exit,
1525 .power_on = tegra210_pcie_phy_power_on,
1526 .power_off = tegra210_pcie_phy_power_off,
1527 .owner = THIS_MODULE,
1530 static struct tegra_xusb_pad *
1531 tegra210_pcie_pad_probe(struct tegra_xusb_padctl *padctl,
1532 const struct tegra_xusb_pad_soc *soc,
1533 struct device_node *np)
1535 struct tegra_xusb_pcie_pad *pcie;
1536 struct tegra_xusb_pad *pad;
1539 pcie = kzalloc(sizeof(*pcie), GFP_KERNEL);
1541 return ERR_PTR(-ENOMEM);
1544 pad->ops = &tegra210_pcie_lane_ops;
1547 err = tegra_xusb_pad_init(pad, padctl, np);
1553 pcie->pll = devm_clk_get(&pad->dev, "pll");
1554 if (IS_ERR(pcie->pll)) {
1555 err = PTR_ERR(pcie->pll);
1556 dev_err(&pad->dev, "failed to get PLL: %d\n", err);
1560 pcie->rst = devm_reset_control_get(&pad->dev, "phy");
1561 if (IS_ERR(pcie->rst)) {
1562 err = PTR_ERR(pcie->rst);
1563 dev_err(&pad->dev, "failed to get PCIe pad reset: %d\n", err);
1567 err = tegra_xusb_pad_register(pad, &tegra210_pcie_phy_ops);
1571 dev_set_drvdata(&pad->dev, pad);
1576 device_unregister(&pad->dev);
1578 return ERR_PTR(err);
1581 static void tegra210_pcie_pad_remove(struct tegra_xusb_pad *pad)
1583 struct tegra_xusb_pcie_pad *pcie = to_pcie_pad(pad);
1588 static const struct tegra_xusb_pad_ops tegra210_pcie_ops = {
1589 .probe = tegra210_pcie_pad_probe,
1590 .remove = tegra210_pcie_pad_remove,
1593 static const struct tegra_xusb_pad_soc tegra210_pcie_pad = {
1595 .num_lanes = ARRAY_SIZE(tegra210_pcie_lanes),
1596 .lanes = tegra210_pcie_lanes,
1597 .ops = &tegra210_pcie_ops,
1600 static const struct tegra_xusb_lane_soc tegra210_sata_lanes[] = {
1601 TEGRA210_LANE("sata-0", 0x028, 30, 0x3, pcie),
1604 static struct tegra_xusb_lane *
1605 tegra210_sata_lane_probe(struct tegra_xusb_pad *pad, struct device_node *np,
1608 struct tegra_xusb_sata_lane *sata;
1611 sata = kzalloc(sizeof(*sata), GFP_KERNEL);
1613 return ERR_PTR(-ENOMEM);
1615 INIT_LIST_HEAD(&sata->base.list);
1616 sata->base.soc = &pad->soc->lanes[index];
1617 sata->base.index = index;
1618 sata->base.pad = pad;
1621 err = tegra_xusb_lane_parse_dt(&sata->base, np);
1624 return ERR_PTR(err);
1630 static void tegra210_sata_lane_remove(struct tegra_xusb_lane *lane)
1632 struct tegra_xusb_sata_lane *sata = to_sata_lane(lane);
1637 static const struct tegra_xusb_lane_ops tegra210_sata_lane_ops = {
1638 .probe = tegra210_sata_lane_probe,
1639 .remove = tegra210_sata_lane_remove,
1642 static int tegra210_sata_phy_init(struct phy *phy)
1644 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
1646 return tegra210_xusb_padctl_enable(lane->pad->padctl);
1649 static int tegra210_sata_phy_exit(struct phy *phy)
1651 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
1653 return tegra210_xusb_padctl_disable(lane->pad->padctl);
1656 static int tegra210_sata_phy_power_on(struct phy *phy)
1658 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
1659 struct tegra_xusb_padctl *padctl = lane->pad->padctl;
1663 mutex_lock(&padctl->lock);
1665 err = tegra210_sata_uphy_enable(padctl, false);
1669 value = padctl_readl(padctl, XUSB_PADCTL_USB3_PAD_MUX);
1670 value |= XUSB_PADCTL_USB3_PAD_MUX_SATA_IDDQ_DISABLE(lane->index);
1671 padctl_writel(padctl, value, XUSB_PADCTL_USB3_PAD_MUX);
1674 mutex_unlock(&padctl->lock);
1678 static int tegra210_sata_phy_power_off(struct phy *phy)
1680 struct tegra_xusb_lane *lane = phy_get_drvdata(phy);
1681 struct tegra_xusb_padctl *padctl = lane->pad->padctl;
1684 value = padctl_readl(padctl, XUSB_PADCTL_USB3_PAD_MUX);
1685 value &= ~XUSB_PADCTL_USB3_PAD_MUX_SATA_IDDQ_DISABLE(lane->index);
1686 padctl_writel(padctl, value, XUSB_PADCTL_USB3_PAD_MUX);
1688 tegra210_sata_uphy_disable(lane->pad->padctl);
1693 static const struct phy_ops tegra210_sata_phy_ops = {
1694 .init = tegra210_sata_phy_init,
1695 .exit = tegra210_sata_phy_exit,
1696 .power_on = tegra210_sata_phy_power_on,
1697 .power_off = tegra210_sata_phy_power_off,
1698 .owner = THIS_MODULE,
1701 static struct tegra_xusb_pad *
1702 tegra210_sata_pad_probe(struct tegra_xusb_padctl *padctl,
1703 const struct tegra_xusb_pad_soc *soc,
1704 struct device_node *np)
1706 struct tegra_xusb_sata_pad *sata;
1707 struct tegra_xusb_pad *pad;
1710 sata = kzalloc(sizeof(*sata), GFP_KERNEL);
1712 return ERR_PTR(-ENOMEM);
1715 pad->ops = &tegra210_sata_lane_ops;
1718 err = tegra_xusb_pad_init(pad, padctl, np);
1724 sata->rst = devm_reset_control_get(&pad->dev, "phy");
1725 if (IS_ERR(sata->rst)) {
1726 err = PTR_ERR(sata->rst);
1727 dev_err(&pad->dev, "failed to get SATA pad reset: %d\n", err);
1731 err = tegra_xusb_pad_register(pad, &tegra210_sata_phy_ops);
1735 dev_set_drvdata(&pad->dev, pad);
1740 device_unregister(&pad->dev);
1742 return ERR_PTR(err);
1745 static void tegra210_sata_pad_remove(struct tegra_xusb_pad *pad)
1747 struct tegra_xusb_sata_pad *sata = to_sata_pad(pad);
1752 static const struct tegra_xusb_pad_ops tegra210_sata_ops = {
1753 .probe = tegra210_sata_pad_probe,
1754 .remove = tegra210_sata_pad_remove,
1757 static const struct tegra_xusb_pad_soc tegra210_sata_pad = {
1759 .num_lanes = ARRAY_SIZE(tegra210_sata_lanes),
1760 .lanes = tegra210_sata_lanes,
1761 .ops = &tegra210_sata_ops,
1764 static const struct tegra_xusb_pad_soc * const tegra210_pads[] = {
1771 static int tegra210_usb2_port_enable(struct tegra_xusb_port *port)
1776 static void tegra210_usb2_port_disable(struct tegra_xusb_port *port)
1780 static struct tegra_xusb_lane *
1781 tegra210_usb2_port_map(struct tegra_xusb_port *port)
1783 return tegra_xusb_find_lane(port->padctl, "usb2", port->index);
1786 static const struct tegra_xusb_port_ops tegra210_usb2_port_ops = {
1787 .enable = tegra210_usb2_port_enable,
1788 .disable = tegra210_usb2_port_disable,
1789 .map = tegra210_usb2_port_map,
1792 static int tegra210_hsic_port_enable(struct tegra_xusb_port *port)
1797 static void tegra210_hsic_port_disable(struct tegra_xusb_port *port)
1801 static struct tegra_xusb_lane *
1802 tegra210_hsic_port_map(struct tegra_xusb_port *port)
1804 return tegra_xusb_find_lane(port->padctl, "hsic", port->index);
1807 static const struct tegra_xusb_port_ops tegra210_hsic_port_ops = {
1808 .enable = tegra210_hsic_port_enable,
1809 .disable = tegra210_hsic_port_disable,
1810 .map = tegra210_hsic_port_map,
1813 static int tegra210_usb3_port_enable(struct tegra_xusb_port *port)
1815 struct tegra_xusb_usb3_port *usb3 = to_usb3_port(port);
1816 struct tegra_xusb_padctl *padctl = port->padctl;
1817 struct tegra_xusb_lane *lane = usb3->base.lane;
1818 unsigned int index = port->index;
1822 value = padctl_readl(padctl, XUSB_PADCTL_SS_PORT_MAP);
1824 if (!usb3->internal)
1825 value &= ~XUSB_PADCTL_SS_PORT_MAP_PORTX_INTERNAL(index);
1827 value |= XUSB_PADCTL_SS_PORT_MAP_PORTX_INTERNAL(index);
1829 value &= ~XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP_MASK(index);
1830 value |= XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP(index, usb3->port);
1831 padctl_writel(padctl, value, XUSB_PADCTL_SS_PORT_MAP);
1834 * TODO: move this code into the PCIe/SATA PHY ->power_on() callbacks
1835 * and conditionalize based on mux function? This seems to work, but
1836 * might not be the exact proper sequence.
1838 err = regulator_enable(usb3->supply);
1842 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_USB3_PADX_ECTL1(index));
1843 value &= ~(XUSB_PADCTL_UPHY_USB3_PAD_ECTL1_TX_TERM_CTRL_MASK <<
1844 XUSB_PADCTL_UPHY_USB3_PAD_ECTL1_TX_TERM_CTRL_SHIFT);
1845 value |= XUSB_PADCTL_UPHY_USB3_PAD_ECTL1_TX_TERM_CTRL_VAL <<
1846 XUSB_PADCTL_UPHY_USB3_PAD_ECTL1_TX_TERM_CTRL_SHIFT;
1847 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_USB3_PADX_ECTL1(index));
1849 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_USB3_PADX_ECTL2(index));
1850 value &= ~(XUSB_PADCTL_UPHY_USB3_PAD_ECTL2_RX_CTLE_MASK <<
1851 XUSB_PADCTL_UPHY_USB3_PAD_ECTL2_RX_CTLE_SHIFT);
1852 value |= XUSB_PADCTL_UPHY_USB3_PAD_ECTL2_RX_CTLE_VAL <<
1853 XUSB_PADCTL_UPHY_USB3_PAD_ECTL2_RX_CTLE_SHIFT;
1854 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_USB3_PADX_ECTL2(index));
1856 padctl_writel(padctl, XUSB_PADCTL_UPHY_USB3_PAD_ECTL3_RX_DFE_VAL,
1857 XUSB_PADCTL_UPHY_USB3_PADX_ECTL3(index));
1859 value = padctl_readl(padctl, XUSB_PADCTL_UPHY_USB3_PADX_ECTL4(index));
1860 value &= ~(XUSB_PADCTL_UPHY_USB3_PAD_ECTL4_RX_CDR_CTRL_MASK <<
1861 XUSB_PADCTL_UPHY_USB3_PAD_ECTL4_RX_CDR_CTRL_SHIFT);
1862 value |= XUSB_PADCTL_UPHY_USB3_PAD_ECTL4_RX_CDR_CTRL_VAL <<
1863 XUSB_PADCTL_UPHY_USB3_PAD_ECTL4_RX_CDR_CTRL_SHIFT;
1864 padctl_writel(padctl, value, XUSB_PADCTL_UPHY_USB3_PADX_ECTL4(index));
1866 padctl_writel(padctl, XUSB_PADCTL_UPHY_USB3_PAD_ECTL6_RX_EQ_CTRL_H_VAL,
1867 XUSB_PADCTL_UPHY_USB3_PADX_ECTL6(index));
1869 if (lane->pad == padctl->sata)
1870 err = tegra210_sata_uphy_enable(padctl, true);
1872 err = tegra210_pex_uphy_enable(padctl);
1875 dev_err(&port->dev, "%s: failed to enable UPHY: %d\n",
1880 value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
1881 value &= ~XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_VCORE_DOWN(index);
1882 padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
1884 usleep_range(100, 200);
1886 value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
1887 value &= ~XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_CLAMP_EN_EARLY(index);
1888 padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
1890 usleep_range(100, 200);
1892 value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
1893 value &= ~XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_CLAMP_EN(index);
1894 padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
1899 static void tegra210_usb3_port_disable(struct tegra_xusb_port *port)
1901 struct tegra_xusb_usb3_port *usb3 = to_usb3_port(port);
1902 struct tegra_xusb_padctl *padctl = port->padctl;
1903 struct tegra_xusb_lane *lane = port->lane;
1904 unsigned int index = port->index;
1907 value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
1908 value |= XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_CLAMP_EN_EARLY(index);
1909 padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
1911 usleep_range(100, 200);
1913 value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
1914 value |= XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_CLAMP_EN(index);
1915 padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
1917 usleep_range(250, 350);
1919 value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM1);
1920 value |= XUSB_PADCTL_ELPG_PROGRAM1_SSPX_ELPG_VCORE_DOWN(index);
1921 padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM1);
1923 if (lane->pad == padctl->sata)
1924 tegra210_sata_uphy_disable(padctl);
1926 tegra210_pex_uphy_disable(padctl);
1928 regulator_disable(usb3->supply);
1930 value = padctl_readl(padctl, XUSB_PADCTL_SS_PORT_MAP);
1931 value &= ~XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP_MASK(index);
1932 value |= XUSB_PADCTL_SS_PORT_MAP_PORTX_MAP(index, 0x7);
1933 padctl_writel(padctl, value, XUSB_PADCTL_SS_PORT_MAP);
1936 static const struct tegra_xusb_lane_map tegra210_usb3_map[] = {
1946 static struct tegra_xusb_lane *
1947 tegra210_usb3_port_map(struct tegra_xusb_port *port)
1949 return tegra_xusb_port_find_lane(port, tegra210_usb3_map, "usb3-ss");
1952 static const struct tegra_xusb_port_ops tegra210_usb3_port_ops = {
1953 .enable = tegra210_usb3_port_enable,
1954 .disable = tegra210_usb3_port_disable,
1955 .map = tegra210_usb3_port_map,
1959 tegra210_xusb_read_fuse_calibration(struct tegra210_xusb_fuse_calibration *fuse)
1965 err = tegra_fuse_readl(TEGRA_FUSE_SKU_CALIB_0, &value);
1969 for (i = 0; i < ARRAY_SIZE(fuse->hs_curr_level); i++) {
1970 fuse->hs_curr_level[i] =
1971 (value >> FUSE_SKU_CALIB_HS_CURR_LEVEL_PADX_SHIFT(i)) &
1972 FUSE_SKU_CALIB_HS_CURR_LEVEL_PAD_MASK;
1975 fuse->hs_term_range_adj =
1976 (value >> FUSE_SKU_CALIB_HS_TERM_RANGE_ADJ_SHIFT) &
1977 FUSE_SKU_CALIB_HS_TERM_RANGE_ADJ_MASK;
1979 err = tegra_fuse_readl(TEGRA_FUSE_USB_CALIB_EXT_0, &value);
1984 (value >> FUSE_USB_CALIB_EXT_RPD_CTRL_SHIFT) &
1985 FUSE_USB_CALIB_EXT_RPD_CTRL_MASK;
1990 static struct tegra_xusb_padctl *
1991 tegra210_xusb_padctl_probe(struct device *dev,
1992 const struct tegra_xusb_padctl_soc *soc)
1994 struct tegra210_xusb_padctl *padctl;
1997 padctl = devm_kzalloc(dev, sizeof(*padctl), GFP_KERNEL);
1999 return ERR_PTR(-ENOMEM);
2001 padctl->base.dev = dev;
2002 padctl->base.soc = soc;
2004 err = tegra210_xusb_read_fuse_calibration(&padctl->fuse);
2006 return ERR_PTR(err);
2008 return &padctl->base;
2011 static void tegra210_xusb_padctl_remove(struct tegra_xusb_padctl *padctl)
2015 static const struct tegra_xusb_padctl_ops tegra210_xusb_padctl_ops = {
2016 .probe = tegra210_xusb_padctl_probe,
2017 .remove = tegra210_xusb_padctl_remove,
2018 .usb3_set_lfps_detect = tegra210_usb3_set_lfps_detect,
2019 .hsic_set_idle = tegra210_hsic_set_idle,
2022 const struct tegra_xusb_padctl_soc tegra210_xusb_padctl_soc = {
2023 .num_pads = ARRAY_SIZE(tegra210_pads),
2024 .pads = tegra210_pads,
2027 .ops = &tegra210_usb2_port_ops,
2031 .ops = &tegra210_hsic_port_ops,
2035 .ops = &tegra210_usb3_port_ops,
2039 .ops = &tegra210_xusb_padctl_ops,
2041 EXPORT_SYMBOL_GPL(tegra210_xusb_padctl_soc);
2043 MODULE_AUTHOR("Andrew Bresticker <abrestic@chromium.org>");
2044 MODULE_DESCRIPTION("NVIDIA Tegra 210 XUSB Pad Controller driver");
2045 MODULE_LICENSE("GPL v2");