1 /* linux/arch/arm/mach-s5pv310/mach-universal_c210.c
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
10 #include <linux/platform_device.h>
11 #include <linux/serial_core.h>
12 #include <linux/input.h>
13 #include <linux/i2c.h>
14 #include <linux/gpio_keys.h>
15 #include <linux/gpio.h>
16 #include <linux/regulator/machine.h>
17 #include <linux/regulator/fixed.h>
18 #include <linux/mmc/host.h>
20 #include <asm/mach/arch.h>
21 #include <asm/mach-types.h>
23 #include <plat/regs-serial.h>
24 #include <plat/s5pv310.h>
26 #include <plat/devs.h>
27 #include <plat/sdhci.h>
31 /* Following are default values for UCON, ULCON and UFCON UART registers */
32 #define UNIVERSAL_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
33 S3C2410_UCON_RXILEVEL | \
34 S3C2410_UCON_TXIRQMODE | \
35 S3C2410_UCON_RXIRQMODE | \
36 S3C2410_UCON_RXFIFO_TOI | \
37 S3C2443_UCON_RXERR_IRQEN)
39 #define UNIVERSAL_ULCON_DEFAULT S3C2410_LCON_CS8
41 #define UNIVERSAL_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
42 S5PV210_UFCON_TXTRIG256 | \
43 S5PV210_UFCON_RXTRIG256)
45 static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = {
48 .ucon = UNIVERSAL_UCON_DEFAULT,
49 .ulcon = UNIVERSAL_ULCON_DEFAULT,
50 .ufcon = UNIVERSAL_UFCON_DEFAULT,
54 .ucon = UNIVERSAL_UCON_DEFAULT,
55 .ulcon = UNIVERSAL_ULCON_DEFAULT,
56 .ufcon = UNIVERSAL_UFCON_DEFAULT,
60 .ucon = UNIVERSAL_UCON_DEFAULT,
61 .ulcon = UNIVERSAL_ULCON_DEFAULT,
62 .ufcon = UNIVERSAL_UFCON_DEFAULT,
66 .ucon = UNIVERSAL_UCON_DEFAULT,
67 .ulcon = UNIVERSAL_ULCON_DEFAULT,
68 .ufcon = UNIVERSAL_UFCON_DEFAULT,
72 static struct gpio_keys_button universal_gpio_keys_tables[] = {
75 .gpio = S5PV310_GPX2(0), /* XEINT16 */
76 .desc = "gpio-keys: KEY_VOLUMEUP",
79 .debounce_interval = 1,
81 .code = KEY_VOLUMEDOWN,
82 .gpio = S5PV310_GPX2(1), /* XEINT17 */
83 .desc = "gpio-keys: KEY_VOLUMEDOWN",
86 .debounce_interval = 1,
89 .gpio = S5PV310_GPX2(2), /* XEINT18 */
90 .desc = "gpio-keys: KEY_CONFIG",
93 .debounce_interval = 1,
96 .gpio = S5PV310_GPX2(3), /* XEINT19 */
97 .desc = "gpio-keys: KEY_CAMERA",
100 .debounce_interval = 1,
103 .gpio = S5PV310_GPX3(5), /* XEINT29 */
104 .desc = "gpio-keys: KEY_OK",
107 .debounce_interval = 1,
111 static struct gpio_keys_platform_data universal_gpio_keys_data = {
112 .buttons = universal_gpio_keys_tables,
113 .nbuttons = ARRAY_SIZE(universal_gpio_keys_tables),
116 static struct platform_device universal_gpio_keys = {
119 .platform_data = &universal_gpio_keys_data,
124 static struct s3c_sdhci_platdata universal_hsmmc0_data __initdata = {
126 .host_caps = (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
127 MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
129 .cd_type = S3C_SDHCI_CD_PERMANENT,
130 .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
133 static struct regulator_consumer_supply mmc0_supplies[] = {
134 REGULATOR_SUPPLY("vmmc", "s3c-sdhci.0"),
137 static struct regulator_init_data mmc0_fixed_voltage_init_data = {
139 .name = "VMEM_VDD_2.8V",
140 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
142 .num_consumer_supplies = ARRAY_SIZE(mmc0_supplies),
143 .consumer_supplies = mmc0_supplies,
146 static struct fixed_voltage_config mmc0_fixed_voltage_config = {
147 .supply_name = "MASSMEMORY_EN",
148 .microvolts = 2800000,
149 .gpio = S5PV310_GPE1(3),
151 .init_data = &mmc0_fixed_voltage_init_data,
154 static struct platform_device mmc0_fixed_voltage = {
155 .name = "reg-fixed-voltage",
158 .platform_data = &mmc0_fixed_voltage_config,
163 static struct s3c_sdhci_platdata universal_hsmmc2_data __initdata = {
165 .host_caps = MMC_CAP_4_BIT_DATA |
166 MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
168 .ext_cd_gpio = S5PV310_GPX3(4), /* XEINT_28 */
169 .ext_cd_gpio_invert = 1,
170 .cd_type = S3C_SDHCI_CD_GPIO,
171 .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
175 static struct s3c_sdhci_platdata universal_hsmmc3_data __initdata = {
177 .host_caps = MMC_CAP_4_BIT_DATA |
178 MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
180 .cd_type = S3C_SDHCI_CD_EXTERNAL,
183 static void __init universal_sdhci_init(void)
185 s3c_sdhci0_set_platdata(&universal_hsmmc0_data);
186 s3c_sdhci2_set_platdata(&universal_hsmmc2_data);
187 s3c_sdhci3_set_platdata(&universal_hsmmc3_data);
191 static struct i2c_board_info i2c0_devs[] __initdata = {
192 /* Camera, To be updated */
196 static struct i2c_board_info i2c1_devs[] __initdata = {
197 /* Gyro, To be updated */
200 static struct platform_device *universal_devices[] __initdata = {
201 /* Samsung Platform Devices */
207 /* Universal Devices */
208 &universal_gpio_keys,
212 static void __init universal_map_io(void)
214 s5p_init_io(NULL, 0, S5P_VA_CHIPID);
215 s3c24xx_init_clocks(24000000);
216 s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
219 static void __init universal_machine_init(void)
221 universal_sdhci_init();
223 i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs));
224 i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
227 platform_add_devices(universal_devices, ARRAY_SIZE(universal_devices));
230 MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
231 /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
232 .boot_params = S5P_PA_SDRAM + 0x100,
233 .init_irq = s5pv310_init_irq,
234 .map_io = universal_map_io,
235 .init_machine = universal_machine_init,
236 .timer = &s5pv310_timer,