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Hans de Goedea1441982015-01-07 15:08:43 +01001/*
Hans de Goede86979092015-04-27 14:54:47 +02002 * Sunxi usb-phy code
Hans de Goedea1441982015-01-07 15:08:43 +01003 *
Hans de Goede86979092015-04-27 14:54:47 +02004 * Copyright (C) 2015 Hans de Goede <hdegoede@redhat.com>
5 * Copyright (C) 2014 Roman Byshko <rbyshko@gmail.com>
Hans de Goedea1441982015-01-07 15:08:43 +01006 *
7 * Based on code from
8 * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
9 *
10 * SPDX-License-Identifier: GPL-2.0+
11 */
12
Hans de Goede7e5aabd2015-04-27 11:44:22 +020013#include <common.h>
Hans de Goedea1441982015-01-07 15:08:43 +010014#include <asm/arch/clock.h>
15#include <asm/arch/cpu.h>
Hans de Goede26a90052015-04-27 15:05:10 +020016#include <asm/arch/usb_phy.h>
Hans de Goedea1441982015-01-07 15:08:43 +010017#include <asm/gpio.h>
18#include <asm/io.h>
Hans de Goede494f5d02015-04-22 17:39:59 +020019#include <errno.h>
Hans de Goedea1441982015-01-07 15:08:43 +010020
Maxime Ripard53bba762017-08-23 13:31:08 +020021#if defined(CONFIG_MACH_SUN4I) || \
22 defined(CONFIG_MACH_SUN5I) || \
23 defined(CONFIG_MACH_SUN6I) || \
24 defined(CONFIG_MACH_SUN7I) || \
25 defined(CONFIG_MACH_SUN8I_A23) || \
26 defined(CONFIG_MACH_SUN9I)
Hans de Goedea1441982015-01-07 15:08:43 +010027#define SUNXI_USB_CSR 0x404
Maxime Ripard53bba762017-08-23 13:31:08 +020028#else
29#define SUNXI_USB_CSR 0x410
Vishnu Patekar3702f142015-03-01 23:47:48 +053030#endif
Maxime Ripard53bba762017-08-23 13:31:08 +020031
32#define SUNXI_USB_PMU_IRQ_ENABLE 0x800
Hans de Goedea1441982015-01-07 15:08:43 +010033#define SUNXI_USB_PASSBY_EN 1
34
35#define SUNXI_EHCI_AHB_ICHR8_EN (1 << 10)
36#define SUNXI_EHCI_AHB_INCR4_BURST_EN (1 << 9)
37#define SUNXI_EHCI_AHB_INCRX_ALIGN_EN (1 << 8)
38#define SUNXI_EHCI_ULPI_BYPASS_EN (1 << 0)
39
Jelle van der Waaa1f5d112016-02-09 23:59:33 +010040#define REG_PHY_UNK_H3 0x420
41#define REG_PMU_UNK_H3 0x810
42
Chen-Yu Tsaiba568562016-03-30 00:26:51 +080043/* A83T specific control bits for PHY0 */
44#define SUNXI_PHY_CTL_VBUSVLDEXT BIT(5)
45#define SUNXI_PHY_CTL_SIDDQ BIT(3)
46
47/* A83T HSIC specific bits */
48#define SUNXI_EHCI_HS_FORCE BIT(20)
49#define SUNXI_EHCI_CONNECT_DET BIT(17)
50#define SUNXI_EHCI_CONNECT_INT BIT(16)
51#define SUNXI_EHCI_HSIC BIT(1)
52
Hans de Goede86979092015-04-27 14:54:47 +020053static struct sunxi_usb_phy {
Hans de Goedea1441982015-01-07 15:08:43 +010054 int usb_rst_mask;
Hans de Goedea1441982015-01-07 15:08:43 +010055 int gpio_vbus;
Paul Kocialkowski7e9b7de2015-03-22 18:07:12 +010056 int gpio_vbus_det;
Hans de Goedeaadd97f2015-06-14 17:29:53 +020057 int gpio_id_det;
Hans de Goedea1441982015-01-07 15:08:43 +010058 int id;
Hans de Goedee8204022015-04-27 16:57:54 +020059 int init_count;
60 int power_on_count;
Alexander Grafee1d8252016-03-29 17:29:09 +020061 ulong base;
Hans de Goede86979092015-04-27 14:54:47 +020062} sunxi_usb_phy[] = {
Hans de Goedea1441982015-01-07 15:08:43 +010063 {
Hans de Goedee7b852a2015-01-07 15:26:06 +010064 .usb_rst_mask = CCM_USB_CTRL_PHY0_RST | CCM_USB_CTRL_PHY0_CLK,
Hans de Goedee7b852a2015-01-07 15:26:06 +010065 .id = 0,
Jelle van der Waaa1f5d112016-02-09 23:59:33 +010066 .base = SUNXI_USB0_BASE,
Hans de Goedee7b852a2015-01-07 15:26:06 +010067 },
68 {
Hans de Goedea1441982015-01-07 15:08:43 +010069 .usb_rst_mask = CCM_USB_CTRL_PHY1_RST | CCM_USB_CTRL_PHY1_CLK,
Hans de Goedea1441982015-01-07 15:08:43 +010070 .id = 1,
Jelle van der Waaa1f5d112016-02-09 23:59:33 +010071 .base = SUNXI_USB1_BASE,
Hans de Goedea1441982015-01-07 15:08:43 +010072 },
Hans de Goede1168e092015-04-27 16:50:04 +020073#if CONFIG_SUNXI_USB_PHYS >= 3
Hans de Goedea1441982015-01-07 15:08:43 +010074 {
Chen-Yu Tsaiba568562016-03-30 00:26:51 +080075#ifdef CONFIG_MACH_SUN8I_A83T
76 .usb_rst_mask = CCM_USB_CTRL_HSIC_RST | CCM_USB_CTRL_HSIC_CLK |
77 CCM_USB_CTRL_12M_CLK,
78#else
Hans de Goedea1441982015-01-07 15:08:43 +010079 .usb_rst_mask = CCM_USB_CTRL_PHY2_RST | CCM_USB_CTRL_PHY2_CLK,
Chen-Yu Tsaiba568562016-03-30 00:26:51 +080080#endif
Hans de Goedea1441982015-01-07 15:08:43 +010081 .id = 2,
Jelle van der Waaa1f5d112016-02-09 23:59:33 +010082 .base = SUNXI_USB2_BASE,
83 },
84#endif
85#if CONFIG_SUNXI_USB_PHYS >= 4
86 {
87 .usb_rst_mask = CCM_USB_CTRL_PHY3_RST | CCM_USB_CTRL_PHY3_CLK,
88 .id = 3,
89 .base = SUNXI_USB3_BASE,
Hans de Goedea1441982015-01-07 15:08:43 +010090 }
91#endif
92};
93
Hans de Goede99c9fb02016-04-01 22:39:26 +020094static int initial_usb_scan_delay = CONFIG_INITIAL_USB_SCAN_DELAY;
95
Hans de Goedea1441982015-01-07 15:08:43 +010096static int get_vbus_gpio(int index)
97{
98 switch (index) {
Hans de Goedee7b852a2015-01-07 15:26:06 +010099 case 0: return sunxi_name_to_gpio(CONFIG_USB0_VBUS_PIN);
Hans de Goedea1441982015-01-07 15:08:43 +0100100 case 1: return sunxi_name_to_gpio(CONFIG_USB1_VBUS_PIN);
101 case 2: return sunxi_name_to_gpio(CONFIG_USB2_VBUS_PIN);
Hans de Goedea60c3fc2016-03-18 08:42:01 +0100102 case 3: return sunxi_name_to_gpio(CONFIG_USB3_VBUS_PIN);
Hans de Goedea1441982015-01-07 15:08:43 +0100103 }
Hans de Goede494f5d02015-04-22 17:39:59 +0200104 return -EINVAL;
Hans de Goedea1441982015-01-07 15:08:43 +0100105}
106
Paul Kocialkowski7e9b7de2015-03-22 18:07:12 +0100107static int get_vbus_detect_gpio(int index)
108{
109 switch (index) {
110 case 0: return sunxi_name_to_gpio(CONFIG_USB0_VBUS_DET);
111 }
Hans de Goede494f5d02015-04-22 17:39:59 +0200112 return -EINVAL;
Paul Kocialkowski7e9b7de2015-03-22 18:07:12 +0100113}
114
Hans de Goedeaadd97f2015-06-14 17:29:53 +0200115static int get_id_detect_gpio(int index)
116{
117 switch (index) {
118 case 0: return sunxi_name_to_gpio(CONFIG_USB0_ID_DET);
119 }
120 return -EINVAL;
121}
122
Chen-Yu Tsaiba568562016-03-30 00:26:51 +0800123__maybe_unused static void usb_phy_write(struct sunxi_usb_phy *phy, int addr,
124 int data, int len)
Hans de Goedea1441982015-01-07 15:08:43 +0100125{
126 int j = 0, usbc_bit = 0;
Hans de Goede1f4e1d12015-04-27 14:36:23 +0200127 void *dest = (void *)SUNXI_USB0_BASE + SUNXI_USB_CSR;
Hans de Goedea1441982015-01-07 15:08:43 +0100128
Vishnu Patekar3702f142015-03-01 23:47:48 +0530129#ifdef CONFIG_MACH_SUN8I_A33
130 /* CSR needs to be explicitly initialized to 0 on A33 */
131 writel(0, dest);
132#endif
133
Hans de Goede86979092015-04-27 14:54:47 +0200134 usbc_bit = 1 << (phy->id * 2);
Hans de Goedea1441982015-01-07 15:08:43 +0100135 for (j = 0; j < len; j++) {
136 /* set the bit address to be written */
137 clrbits_le32(dest, 0xff << 8);
138 setbits_le32(dest, (addr + j) << 8);
139
140 clrbits_le32(dest, usbc_bit);
141 /* set data bit */
142 if (data & 0x1)
143 setbits_le32(dest, 1 << 7);
144 else
145 clrbits_le32(dest, 1 << 7);
146
147 setbits_le32(dest, usbc_bit);
148
149 clrbits_le32(dest, usbc_bit);
150
151 data >>= 1;
152 }
153}
154
Andre Przywara5fb97432017-02-16 01:20:27 +0000155#if defined(CONFIG_MACH_SUNXI_H3_H5) || defined(CONFIG_MACH_SUN50I)
Jelle van der Waaa1f5d112016-02-09 23:59:33 +0100156static void sunxi_usb_phy_config(struct sunxi_usb_phy *phy)
157{
Andre Przywara5fb97432017-02-16 01:20:27 +0000158#if defined CONFIG_MACH_SUNXI_H3_H5
Jelle van der Waaa1f5d112016-02-09 23:59:33 +0100159 if (phy->id == 0)
160 clrbits_le32(SUNXI_USBPHY_BASE + REG_PHY_UNK_H3, 0x01);
Amit Singh Tomarbd732d02016-10-21 02:24:30 +0100161#endif
Jelle van der Waaa1f5d112016-02-09 23:59:33 +0100162 clrbits_le32(phy->base + REG_PMU_UNK_H3, 0x02);
163}
Chen-Yu Tsaiba568562016-03-30 00:26:51 +0800164#elif defined CONFIG_MACH_SUN8I_A83T
165static void sunxi_usb_phy_config(struct sunxi_usb_phy *phy)
166{
167}
Jelle van der Waaa1f5d112016-02-09 23:59:33 +0100168#else
Hans de Goede86979092015-04-27 14:54:47 +0200169static void sunxi_usb_phy_config(struct sunxi_usb_phy *phy)
Hans de Goedea1441982015-01-07 15:08:43 +0100170{
171 /* The following comments are machine
172 * translated from Chinese, you have been warned!
173 */
174
Hans de Goedee7b852a2015-01-07 15:26:06 +0100175 /* Regulation 45 ohms */
Hans de Goede86979092015-04-27 14:54:47 +0200176 if (phy->id == 0)
177 usb_phy_write(phy, 0x0c, 0x01, 1);
Hans de Goedee7b852a2015-01-07 15:26:06 +0100178
Hans de Goedea1441982015-01-07 15:08:43 +0100179 /* adjust PHY's magnitude and rate */
Hans de Goede86979092015-04-27 14:54:47 +0200180 usb_phy_write(phy, 0x20, 0x14, 5);
Hans de Goedea1441982015-01-07 15:08:43 +0100181
182 /* threshold adjustment disconnect */
Hans de Goede9395a0e2015-05-31 19:26:54 +0200183#if defined CONFIG_MACH_SUN5I || defined CONFIG_MACH_SUN7I
Hans de Goede86979092015-04-27 14:54:47 +0200184 usb_phy_write(phy, 0x2a, 2, 2);
Hans de Goede9395a0e2015-05-31 19:26:54 +0200185#else
186 usb_phy_write(phy, 0x2a, 3, 2);
Hans de Goedea1441982015-01-07 15:08:43 +0100187#endif
188
189 return;
190}
Jelle van der Waaa1f5d112016-02-09 23:59:33 +0100191#endif
Hans de Goedea1441982015-01-07 15:08:43 +0100192
Jelle van der Waaa1f5d112016-02-09 23:59:33 +0100193static void sunxi_usb_phy_passby(struct sunxi_usb_phy *phy, int enable)
Hans de Goedea1441982015-01-07 15:08:43 +0100194{
195 unsigned long bits = 0;
Hans de Goede1f4e1d12015-04-27 14:36:23 +0200196 void *addr;
197
Jelle van der Waaa1f5d112016-02-09 23:59:33 +0100198 addr = (void *)phy->base + SUNXI_USB_PMU_IRQ_ENABLE;
Hans de Goedea1441982015-01-07 15:08:43 +0100199
200 bits = SUNXI_EHCI_AHB_ICHR8_EN |
201 SUNXI_EHCI_AHB_INCR4_BURST_EN |
202 SUNXI_EHCI_AHB_INCRX_ALIGN_EN |
203 SUNXI_EHCI_ULPI_BYPASS_EN;
204
Chen-Yu Tsaiba568562016-03-30 00:26:51 +0800205#ifdef CONFIG_MACH_SUN8I_A83T
206 if (phy->id == 2)
207 bits |= SUNXI_EHCI_HS_FORCE |
208 SUNXI_EHCI_CONNECT_INT |
209 SUNXI_EHCI_HSIC;
210#endif
211
Hans de Goedea1441982015-01-07 15:08:43 +0100212 if (enable)
213 setbits_le32(addr, bits);
214 else
215 clrbits_le32(addr, bits);
216
217 return;
218}
219
Hans de Goede86979092015-04-27 14:54:47 +0200220void sunxi_usb_phy_enable_squelch_detect(int index, int enable)
Hans de Goedeab721ad2015-03-27 20:54:25 +0100221{
Chen-Yu Tsaiba568562016-03-30 00:26:51 +0800222#ifndef CONFIG_MACH_SUN8I_A83T
Hans de Goede86979092015-04-27 14:54:47 +0200223 struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
Hans de Goedeab721ad2015-03-27 20:54:25 +0100224
Hans de Goede86979092015-04-27 14:54:47 +0200225 usb_phy_write(phy, 0x3c, enable ? 0 : 2, 2);
Chen-Yu Tsaiba568562016-03-30 00:26:51 +0800226#endif
Hans de Goedeab721ad2015-03-27 20:54:25 +0100227}
228
Hans de Goede86979092015-04-27 14:54:47 +0200229void sunxi_usb_phy_init(int index)
Hans de Goedea1441982015-01-07 15:08:43 +0100230{
Hans de Goede86979092015-04-27 14:54:47 +0200231 struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
Hans de Goedea1441982015-01-07 15:08:43 +0100232 struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
233
Hans de Goedee8204022015-04-27 16:57:54 +0200234 phy->init_count++;
235 if (phy->init_count != 1)
236 return;
237
Hans de Goede86979092015-04-27 14:54:47 +0200238 setbits_le32(&ccm->usb_clk_cfg, phy->usb_rst_mask);
Hans de Goedea1441982015-01-07 15:08:43 +0100239
Hans de Goede86979092015-04-27 14:54:47 +0200240 sunxi_usb_phy_config(phy);
Hans de Goedea1441982015-01-07 15:08:43 +0100241
Hans de Goede86979092015-04-27 14:54:47 +0200242 if (phy->id != 0)
Jelle van der Waaa1f5d112016-02-09 23:59:33 +0100243 sunxi_usb_phy_passby(phy, SUNXI_USB_PASSBY_EN);
Chen-Yu Tsaiba568562016-03-30 00:26:51 +0800244
245#ifdef CONFIG_MACH_SUN8I_A83T
246 if (phy->id == 0) {
247 setbits_le32(SUNXI_USB0_BASE + SUNXI_USB_CSR,
248 SUNXI_PHY_CTL_VBUSVLDEXT);
249 clrbits_le32(SUNXI_USB0_BASE + SUNXI_USB_CSR,
250 SUNXI_PHY_CTL_SIDDQ);
251 }
252#endif
Hans de Goedea1441982015-01-07 15:08:43 +0100253}
254
Hans de Goede86979092015-04-27 14:54:47 +0200255void sunxi_usb_phy_exit(int index)
Hans de Goedea1441982015-01-07 15:08:43 +0100256{
Hans de Goede86979092015-04-27 14:54:47 +0200257 struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
Hans de Goedea1441982015-01-07 15:08:43 +0100258 struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
259
Hans de Goedee8204022015-04-27 16:57:54 +0200260 phy->init_count--;
261 if (phy->init_count != 0)
262 return;
263
Hans de Goede86979092015-04-27 14:54:47 +0200264 if (phy->id != 0)
Jelle van der Waaa1f5d112016-02-09 23:59:33 +0100265 sunxi_usb_phy_passby(phy, !SUNXI_USB_PASSBY_EN);
Hans de Goedea1441982015-01-07 15:08:43 +0100266
Chen-Yu Tsaiba568562016-03-30 00:26:51 +0800267#ifdef CONFIG_MACH_SUN8I_A83T
268 if (phy->id == 0) {
269 setbits_le32(SUNXI_USB0_BASE + SUNXI_USB_CSR,
270 SUNXI_PHY_CTL_SIDDQ);
271 }
272#endif
273
Hans de Goede86979092015-04-27 14:54:47 +0200274 clrbits_le32(&ccm->usb_clk_cfg, phy->usb_rst_mask);
Hans de Goedea1441982015-01-07 15:08:43 +0100275}
276
Hans de Goede86979092015-04-27 14:54:47 +0200277void sunxi_usb_phy_power_on(int index)
Hans de Goedea1441982015-01-07 15:08:43 +0100278{
Hans de Goede86979092015-04-27 14:54:47 +0200279 struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
Hans de Goedea1441982015-01-07 15:08:43 +0100280
Hans de Goede99c9fb02016-04-01 22:39:26 +0200281 if (initial_usb_scan_delay) {
282 mdelay(initial_usb_scan_delay);
283 initial_usb_scan_delay = 0;
284 }
285
Hans de Goedee8204022015-04-27 16:57:54 +0200286 phy->power_on_count++;
287 if (phy->power_on_count != 1)
288 return;
289
Hans de Goede86979092015-04-27 14:54:47 +0200290 if (phy->gpio_vbus >= 0)
291 gpio_set_value(phy->gpio_vbus, 1);
Hans de Goedea1441982015-01-07 15:08:43 +0100292}
293
Hans de Goede86979092015-04-27 14:54:47 +0200294void sunxi_usb_phy_power_off(int index)
Hans de Goedea1441982015-01-07 15:08:43 +0100295{
Hans de Goede86979092015-04-27 14:54:47 +0200296 struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
Hans de Goedea1441982015-01-07 15:08:43 +0100297
Hans de Goedee8204022015-04-27 16:57:54 +0200298 phy->power_on_count--;
299 if (phy->power_on_count != 0)
300 return;
301
Hans de Goede86979092015-04-27 14:54:47 +0200302 if (phy->gpio_vbus >= 0)
303 gpio_set_value(phy->gpio_vbus, 0);
Hans de Goedea1441982015-01-07 15:08:43 +0100304}
Paul Kocialkowski7e9b7de2015-03-22 18:07:12 +0100305
Hans de Goede86979092015-04-27 14:54:47 +0200306int sunxi_usb_phy_vbus_detect(int index)
Paul Kocialkowski7e9b7de2015-03-22 18:07:12 +0100307{
Hans de Goede86979092015-04-27 14:54:47 +0200308 struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
Hans de Goede444af392015-03-27 21:46:00 +0100309 int err, retries = 3;
Paul Kocialkowski7e9b7de2015-03-22 18:07:12 +0100310
Hans de Goede78c2e642015-06-18 18:21:33 +0200311 if (phy->gpio_vbus_det < 0)
Hans de Goede86979092015-04-27 14:54:47 +0200312 return phy->gpio_vbus_det;
Paul Kocialkowski7e9b7de2015-03-22 18:07:12 +0100313
Hans de Goede86979092015-04-27 14:54:47 +0200314 err = gpio_get_value(phy->gpio_vbus_det);
Hans de Goede444af392015-03-27 21:46:00 +0100315 /*
316 * Vbus may have been provided by the board and just been turned of
317 * some milliseconds ago on reset, what we're measuring then is a
318 * residual charge on Vbus, sleep a bit and try again.
319 */
320 while (err > 0 && retries--) {
321 mdelay(100);
Hans de Goede86979092015-04-27 14:54:47 +0200322 err = gpio_get_value(phy->gpio_vbus_det);
Hans de Goede444af392015-03-27 21:46:00 +0100323 }
324
325 return err;
Paul Kocialkowski7e9b7de2015-03-22 18:07:12 +0100326}
Hans de Goede1168e092015-04-27 16:50:04 +0200327
Hans de Goedeaadd97f2015-06-14 17:29:53 +0200328int sunxi_usb_phy_id_detect(int index)
329{
330 struct sunxi_usb_phy *phy = &sunxi_usb_phy[index];
331
332 if (phy->gpio_id_det < 0)
333 return phy->gpio_id_det;
334
335 return gpio_get_value(phy->gpio_id_det);
336}
337
Hans de Goede1168e092015-04-27 16:50:04 +0200338int sunxi_usb_phy_probe(void)
339{
340 struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
341 struct sunxi_usb_phy *phy;
342 int i, ret = 0;
343
344 for (i = 0; i < CONFIG_SUNXI_USB_PHYS; i++) {
345 phy = &sunxi_usb_phy[i];
346
347 phy->gpio_vbus = get_vbus_gpio(i);
348 if (phy->gpio_vbus >= 0) {
349 ret = gpio_request(phy->gpio_vbus, "usb_vbus");
350 if (ret)
351 return ret;
352 ret = gpio_direction_output(phy->gpio_vbus, 0);
353 if (ret)
354 return ret;
355 }
356
357 phy->gpio_vbus_det = get_vbus_detect_gpio(i);
358 if (phy->gpio_vbus_det >= 0) {
359 ret = gpio_request(phy->gpio_vbus_det, "usb_vbus_det");
360 if (ret)
361 return ret;
362 ret = gpio_direction_input(phy->gpio_vbus_det);
363 if (ret)
364 return ret;
365 }
Hans de Goedeaadd97f2015-06-14 17:29:53 +0200366
367 phy->gpio_id_det = get_id_detect_gpio(i);
368 if (phy->gpio_id_det >= 0) {
369 ret = gpio_request(phy->gpio_id_det, "usb_id_det");
370 if (ret)
371 return ret;
372 ret = gpio_direction_input(phy->gpio_id_det);
373 if (ret)
374 return ret;
375 sunxi_gpio_set_pull(phy->gpio_id_det,
376 SUNXI_GPIO_PULL_UP);
377 }
Hans de Goede1168e092015-04-27 16:50:04 +0200378 }
379
380 setbits_le32(&ccm->usb_clk_cfg, CCM_USB_CTRL_PHYGATE);
381
382 return 0;
383}
384
385int sunxi_usb_phy_remove(void)
386{
387 struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
388 struct sunxi_usb_phy *phy;
389 int i;
390
391 clrbits_le32(&ccm->usb_clk_cfg, CCM_USB_CTRL_PHYGATE);
392
393 for (i = 0; i < CONFIG_SUNXI_USB_PHYS; i++) {
394 phy = &sunxi_usb_phy[i];
395
396 if (phy->gpio_vbus >= 0)
397 gpio_free(phy->gpio_vbus);
398
399 if (phy->gpio_vbus_det >= 0)
400 gpio_free(phy->gpio_vbus_det);
Hans de Goedeaadd97f2015-06-14 17:29:53 +0200401
402 if (phy->gpio_id_det >= 0)
403 gpio_free(phy->gpio_id_det);
Hans de Goede1168e092015-04-27 16:50:04 +0200404 }
405
406 return 0;
407}