Merge branch '2019-08-11-ti-imports'
[oweals/u-boot.git] / board / samsung / common / exynos5-dt.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2012 Samsung Electronics
4  */
5
6 #include <common.h>
7 #include <dm.h>
8 #include <dwc3-uboot.h>
9 #include <env.h>
10 #include <fdtdec.h>
11 #include <asm/io.h>
12 #include <errno.h>
13 #include <i2c.h>
14 #include <mmc.h>
15 #include <netdev.h>
16 #include <samsung-usb-phy-uboot.h>
17 #include <spi.h>
18 #include <usb.h>
19 #include <video_bridge.h>
20 #include <asm/gpio.h>
21 #include <asm/arch/cpu.h>
22 #include <asm/arch/dwmmc.h>
23 #include <asm/arch/mmc.h>
24 #include <asm/arch/pinmux.h>
25 #include <asm/arch/power.h>
26 #include <asm/arch/sromc.h>
27 #include <power/pmic.h>
28 #include <power/max77686_pmic.h>
29 #include <power/regulator.h>
30 #include <power/s2mps11.h>
31 #include <power/s5m8767.h>
32 #include <samsung/exynos5-dt-types.h>
33 #include <samsung/misc.h>
34 #include <tmu.h>
35
36 DECLARE_GLOBAL_DATA_PTR;
37
38 int exynos_init(void)
39 {
40         return 0;
41 }
42
43 static int exynos_set_regulator(const char *name, uint uv)
44 {
45         struct udevice *dev;
46         int ret;
47
48         ret = regulator_get_by_platname(name, &dev);
49         if (ret) {
50                 debug("%s: Cannot find regulator %s\n", __func__, name);
51                 return ret;
52         }
53         ret = regulator_set_value(dev, uv);
54         if (ret) {
55                 debug("%s: Cannot set regulator %s\n", __func__, name);
56                 return ret;
57         }
58
59         return 0;
60 }
61
62 int exynos_power_init(void)
63 {
64         struct udevice *dev;
65         int ret;
66
67 #ifdef CONFIG_PMIC_S2MPS11
68         ret = pmic_get("s2mps11_pmic", &dev);
69 #else
70         ret = pmic_get("max77686", &dev);
71         if (!ret) {
72                 /* TODO(sjg@chromium.org): Move into the clock/pmic API */
73                 ret = pmic_clrsetbits(dev, MAX77686_REG_PMIC_32KHZ, 0,
74                                 MAX77686_32KHCP_EN);
75                 if (ret)
76                         return ret;
77                 ret = pmic_clrsetbits(dev, MAX77686_REG_PMIC_BBAT, 0,
78                                 MAX77686_BBCHOSTEN | MAX77686_BBCVS_3_5V);
79                 if (ret)
80                         return ret;
81         } else {
82                 ret = pmic_get("s5m8767-pmic", &dev);
83                 /* TODO(sjg@chromium.org): Use driver model to access clock */
84 #ifdef CONFIG_PMIC_S5M8767
85                 if (!ret)
86                         s5m8767_enable_32khz_cp(dev);
87 #endif
88         }
89 #endif  /* CONFIG_PMIC_S2MPS11 */
90         if (ret == -ENODEV)
91                 return 0;
92
93         ret = regulators_enable_boot_on(false);
94         if (ret)
95                 return ret;
96
97         ret = exynos_set_regulator("vdd_mif", 1100000);
98         if (ret)
99                 return ret;
100
101         ret = exynos_set_regulator("vdd_arm", 1300000);
102         if (ret)
103                 return ret;
104         ret = exynos_set_regulator("vdd_int", 1012500);
105         if (ret)
106                 return ret;
107         ret = exynos_set_regulator("vdd_g3d", 1200000);
108         if (ret)
109                 return ret;
110
111         return 0;
112 }
113
114 int board_get_revision(void)
115 {
116         return 0;
117 }
118
119 #ifdef CONFIG_USB_DWC3
120 static struct dwc3_device dwc3_device_data = {
121         .maximum_speed = USB_SPEED_SUPER,
122         .base = 0x12400000,
123         .dr_mode = USB_DR_MODE_PERIPHERAL,
124         .index = 0,
125 };
126
127 int usb_gadget_handle_interrupts(void)
128 {
129         dwc3_uboot_handle_interrupt(0);
130         return 0;
131 }
132
133 int board_usb_init(int index, enum usb_init_type init)
134 {
135         struct exynos_usb3_phy *phy = (struct exynos_usb3_phy *)
136                 samsung_get_base_usb3_phy();
137
138         if (!phy) {
139                 pr_err("usb3 phy not supported\n");
140                 return -ENODEV;
141         }
142
143         set_usbdrd_phy_ctrl(POWER_USB_DRD_PHY_CTRL_EN);
144         exynos5_usb3_phy_init(phy);
145
146         return dwc3_uboot_init(&dwc3_device_data);
147 }
148 #endif
149 #ifdef CONFIG_SET_DFU_ALT_INFO
150 char *get_dfu_alt_system(char *interface, char *devstr)
151 {
152         char *info = "Not supported!";
153
154         if (board_is_odroidxu4() || board_is_odroidhc1() || board_is_odroidhc2())
155                 return info;
156
157         return env_get("dfu_alt_system");
158 }
159
160 char *get_dfu_alt_boot(char *interface, char *devstr)
161 {
162         char *info = "Not supported!";
163         struct mmc *mmc;
164         char *alt_boot;
165         int dev_num;
166
167         if (board_is_odroidxu4() || board_is_odroidhc1() || board_is_odroidhc2())
168                 return info;
169
170         dev_num = simple_strtoul(devstr, NULL, 10);
171
172         mmc = find_mmc_device(dev_num);
173         if (!mmc)
174                 return NULL;
175
176         if (mmc_init(mmc))
177                 return NULL;
178
179         if (IS_SD(mmc))
180                 alt_boot = CONFIG_DFU_ALT_BOOT_SD;
181         else
182                 alt_boot = CONFIG_DFU_ALT_BOOT_EMMC;
183
184         return alt_boot;
185 }
186 #endif