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-rw-r--r--arch/arm/mach-exynos4/mach-nuri.c305
1 files changed, 305 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos4/mach-nuri.c b/arch/arm/mach-exynos4/mach-nuri.c
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1/*
2 * linux/arch/arm/mach-exynos4/mach-nuri.c
3 *
4 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#include <linux/platform_device.h>
12#include <linux/serial_core.h>
13#include <linux/input.h>
14#include <linux/i2c.h>
15#include <linux/gpio_keys.h>
16#include <linux/gpio.h>
17#include <linux/regulator/machine.h>
18#include <linux/regulator/fixed.h>
19#include <linux/mmc/host.h>
20#include <linux/fb.h>
21#include <linux/pwm_backlight.h>
22
23#include <video/platform_lcd.h>
24
25#include <asm/mach/arch.h>
26#include <asm/mach-types.h>
27
28#include <plat/regs-serial.h>
29#include <plat/exynos4.h>
30#include <plat/cpu.h>
31#include <plat/devs.h>
32#include <plat/sdhci.h>
33
34#include <mach/map.h>
35
36/* Following are default values for UCON, ULCON and UFCON UART registers */
37#define NURI_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
38 S3C2410_UCON_RXILEVEL | \
39 S3C2410_UCON_TXIRQMODE | \
40 S3C2410_UCON_RXIRQMODE | \
41 S3C2410_UCON_RXFIFO_TOI | \
42 S3C2443_UCON_RXERR_IRQEN)
43
44#define NURI_ULCON_DEFAULT S3C2410_LCON_CS8
45
46#define NURI_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
47 S5PV210_UFCON_TXTRIG256 | \
48 S5PV210_UFCON_RXTRIG256)
49
50enum fixed_regulator_id {
51 FIXED_REG_ID_MMC = 0,
52};
53
54static struct s3c2410_uartcfg nuri_uartcfgs[] __initdata = {
55 {
56 .hwport = 0,
57 .ucon = NURI_UCON_DEFAULT,
58 .ulcon = NURI_ULCON_DEFAULT,
59 .ufcon = NURI_UFCON_DEFAULT,
60 },
61 {
62 .hwport = 1,
63 .ucon = NURI_UCON_DEFAULT,
64 .ulcon = NURI_ULCON_DEFAULT,
65 .ufcon = NURI_UFCON_DEFAULT,
66 },
67 {
68 .hwport = 2,
69 .ucon = NURI_UCON_DEFAULT,
70 .ulcon = NURI_ULCON_DEFAULT,
71 .ufcon = NURI_UFCON_DEFAULT,
72 },
73 {
74 .hwport = 3,
75 .ucon = NURI_UCON_DEFAULT,
76 .ulcon = NURI_ULCON_DEFAULT,
77 .ufcon = NURI_UFCON_DEFAULT,
78 },
79};
80
81/* eMMC */
82static struct s3c_sdhci_platdata nuri_hsmmc0_data __initdata = {
83 .max_width = 8,
84 .host_caps = (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
85 MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
86 MMC_CAP_DISABLE | MMC_CAP_ERASE),
87 .cd_type = S3C_SDHCI_CD_PERMANENT,
88 .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
89};
90
91static struct regulator_consumer_supply emmc_supplies[] = {
92 REGULATOR_SUPPLY("vmmc", "s3c-sdhci.0"),
93 REGULATOR_SUPPLY("vmmc", "dw_mmc"),
94};
95
96static struct regulator_init_data emmc_fixed_voltage_init_data = {
97 .constraints = {
98 .name = "VMEM_VDD_2.8V",
99 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
100 },
101 .num_consumer_supplies = ARRAY_SIZE(emmc_supplies),
102 .consumer_supplies = emmc_supplies,
103};
104
105static struct fixed_voltage_config emmc_fixed_voltage_config = {
106 .supply_name = "MASSMEMORY_EN (inverted)",
107 .microvolts = 2800000,
108 .gpio = EXYNOS4_GPL1(1),
109 .enable_high = false,
110 .init_data = &emmc_fixed_voltage_init_data,
111};
112
113static struct platform_device emmc_fixed_voltage = {
114 .name = "reg-fixed-voltage",
115 .id = FIXED_REG_ID_MMC,
116 .dev = {
117 .platform_data = &emmc_fixed_voltage_config,
118 },
119};
120
121/* SD */
122static struct s3c_sdhci_platdata nuri_hsmmc2_data __initdata = {
123 .max_width = 4,
124 .host_caps = MMC_CAP_4_BIT_DATA |
125 MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
126 MMC_CAP_DISABLE,
127 .ext_cd_gpio = EXYNOS4_GPX3(3), /* XEINT_27 */
128 .ext_cd_gpio_invert = 1,
129 .cd_type = S3C_SDHCI_CD_GPIO,
130 .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
131};
132
133/* WLAN */
134static struct s3c_sdhci_platdata nuri_hsmmc3_data __initdata = {
135 .max_width = 4,
136 .host_caps = MMC_CAP_4_BIT_DATA |
137 MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
138 .cd_type = S3C_SDHCI_CD_EXTERNAL,
139 .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
140};
141
142static void __init nuri_sdhci_init(void)
143{
144 s3c_sdhci0_set_platdata(&nuri_hsmmc0_data);
145 s3c_sdhci2_set_platdata(&nuri_hsmmc2_data);
146 s3c_sdhci3_set_platdata(&nuri_hsmmc3_data);
147}
148
149/* GPIO KEYS */
150static struct gpio_keys_button nuri_gpio_keys_tables[] = {
151 {
152 .code = KEY_VOLUMEUP,
153 .gpio = EXYNOS4_GPX2(0), /* XEINT16 */
154 .desc = "gpio-keys: KEY_VOLUMEUP",
155 .type = EV_KEY,
156 .active_low = 1,
157 .debounce_interval = 1,
158 }, {
159 .code = KEY_VOLUMEDOWN,
160 .gpio = EXYNOS4_GPX2(1), /* XEINT17 */
161 .desc = "gpio-keys: KEY_VOLUMEDOWN",
162 .type = EV_KEY,
163 .active_low = 1,
164 .debounce_interval = 1,
165 }, {
166 .code = KEY_POWER,
167 .gpio = EXYNOS4_GPX2(7), /* XEINT23 */
168 .desc = "gpio-keys: KEY_POWER",
169 .type = EV_KEY,
170 .active_low = 1,
171 .wakeup = 1,
172 .debounce_interval = 1,
173 },
174};
175
176static struct gpio_keys_platform_data nuri_gpio_keys_data = {
177 .buttons = nuri_gpio_keys_tables,
178 .nbuttons = ARRAY_SIZE(nuri_gpio_keys_tables),
179};
180
181static struct platform_device nuri_gpio_keys = {
182 .name = "gpio-keys",
183 .dev = {
184 .platform_data = &nuri_gpio_keys_data,
185 },
186};
187
188static void nuri_lcd_power_on(struct plat_lcd_data *pd, unsigned int power)
189{
190 int gpio = EXYNOS4_GPE1(5);
191
192 gpio_request(gpio, "LVDS_nSHDN");
193 gpio_direction_output(gpio, power);
194 gpio_free(gpio);
195}
196
197static int nuri_bl_init(struct device *dev)
198{
199 int ret, gpio = EXYNOS4_GPE2(3);
200
201 ret = gpio_request(gpio, "LCD_LDO_EN");
202 if (!ret)
203 gpio_direction_output(gpio, 0);
204
205 return ret;
206}
207
208static int nuri_bl_notify(struct device *dev, int brightness)
209{
210 if (brightness < 1)
211 brightness = 0;
212
213 gpio_set_value(EXYNOS4_GPE2(3), 1);
214
215 return brightness;
216}
217
218static void nuri_bl_exit(struct device *dev)
219{
220 gpio_free(EXYNOS4_GPE2(3));
221}
222
223/* nuri pwm backlight */
224static struct platform_pwm_backlight_data nuri_backlight_data = {
225 .pwm_id = 0,
226 .pwm_period_ns = 30000,
227 .max_brightness = 100,
228 .dft_brightness = 50,
229 .init = nuri_bl_init,
230 .notify = nuri_bl_notify,
231 .exit = nuri_bl_exit,
232};
233
234static struct platform_device nuri_backlight_device = {
235 .name = "pwm-backlight",
236 .id = -1,
237 .dev = {
238 .parent = &s3c_device_timer[0].dev,
239 .platform_data = &nuri_backlight_data,
240 },
241};
242
243static struct plat_lcd_data nuri_lcd_platform_data = {
244 .set_power = nuri_lcd_power_on,
245};
246
247static struct platform_device nuri_lcd_device = {
248 .name = "platform-lcd",
249 .id = -1,
250 .dev = {
251 .platform_data = &nuri_lcd_platform_data,
252 },
253};
254
255/* I2C1 */
256static struct i2c_board_info i2c1_devs[] __initdata = {
257 /* Gyro, To be updated */
258};
259
260/* GPIO I2C 5 (PMIC) */
261static struct i2c_board_info i2c5_devs[] __initdata = {
262 /* max8997, To be updated */
263};
264
265static struct platform_device *nuri_devices[] __initdata = {
266 /* Samsung Platform Devices */
267 &emmc_fixed_voltage,
268 &s3c_device_hsmmc0,
269 &s3c_device_hsmmc2,
270 &s3c_device_hsmmc3,
271 &s3c_device_wdt,
272 &s3c_device_timer[0],
273
274 /* NURI Devices */
275 &nuri_gpio_keys,
276 &nuri_lcd_device,
277 &nuri_backlight_device,
278};
279
280static void __init nuri_map_io(void)
281{
282 s5p_init_io(NULL, 0, S5P_VA_CHIPID);
283 s3c24xx_init_clocks(24000000);
284 s3c24xx_init_uarts(nuri_uartcfgs, ARRAY_SIZE(nuri_uartcfgs));
285}
286
287static void __init nuri_machine_init(void)
288{
289 nuri_sdhci_init();
290
291 i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
292 i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs));
293
294 /* Last */
295 platform_add_devices(nuri_devices, ARRAY_SIZE(nuri_devices));
296}
297
298MACHINE_START(NURI, "NURI")
299 /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
300 .boot_params = S5P_PA_SDRAM + 0x100,
301 .init_irq = exynos4_init_irq,
302 .map_io = nuri_map_io,
303 .init_machine = nuri_machine_init,
304 .timer = &exynos4_timer,
305MACHINE_END
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-18 23:44:31 -0500