aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-exynos4
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-exynos4')
-rw-r--r--arch/arm/mach-exynos4/Kconfig2
-rw-r--r--arch/arm/mach-exynos4/Makefile1
-rw-r--r--arch/arm/mach-exynos4/cpuidle.c86
-rw-r--r--arch/arm/mach-exynos4/mach-nuri.c89
4 files changed, 178 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
index 805196207ce8..b92c1e557145 100644
--- a/arch/arm/mach-exynos4/Kconfig
+++ b/arch/arm/mach-exynos4/Kconfig
@@ -169,9 +169,11 @@ config MACH_NURI
169 select S3C_DEV_HSMMC2 169 select S3C_DEV_HSMMC2
170 select S3C_DEV_HSMMC3 170 select S3C_DEV_HSMMC3
171 select S3C_DEV_I2C1 171 select S3C_DEV_I2C1
172 select S3C_DEV_I2C3
172 select S3C_DEV_I2C5 173 select S3C_DEV_I2C5
173 select S5P_DEV_USB_EHCI 174 select S5P_DEV_USB_EHCI
174 select EXYNOS4_SETUP_I2C1 175 select EXYNOS4_SETUP_I2C1
176 select EXYNOS4_SETUP_I2C3
175 select EXYNOS4_SETUP_I2C5 177 select EXYNOS4_SETUP_I2C5
176 select EXYNOS4_SETUP_SDHCI 178 select EXYNOS4_SETUP_SDHCI
177 select SAMSUNG_DEV_PWM 179 select SAMSUNG_DEV_PWM
diff --git a/arch/arm/mach-exynos4/Makefile b/arch/arm/mach-exynos4/Makefile
index 777897551e42..683fc387c8af 100644
--- a/arch/arm/mach-exynos4/Makefile
+++ b/arch/arm/mach-exynos4/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_CPU_EXYNOS4210) += cpu.o init.o clock.o irq-combiner.o
16obj-$(CONFIG_CPU_EXYNOS4210) += setup-i2c0.o gpiolib.o irq-eint.o dma.o 16obj-$(CONFIG_CPU_EXYNOS4210) += setup-i2c0.o gpiolib.o irq-eint.o dma.o
17obj-$(CONFIG_PM) += pm.o sleep.o 17obj-$(CONFIG_PM) += pm.o sleep.o
18obj-$(CONFIG_CPU_FREQ) += cpufreq.o 18obj-$(CONFIG_CPU_FREQ) += cpufreq.o
19obj-$(CONFIG_CPU_IDLE) += cpuidle.o
19 20
20obj-$(CONFIG_SMP) += platsmp.o headsmp.o 21obj-$(CONFIG_SMP) += platsmp.o headsmp.o
21 22
diff --git a/arch/arm/mach-exynos4/cpuidle.c b/arch/arm/mach-exynos4/cpuidle.c
new file mode 100644
index 000000000000..bf7e96f2793a
--- /dev/null
+++ b/arch/arm/mach-exynos4/cpuidle.c
@@ -0,0 +1,86 @@
1/* linux/arch/arm/mach-exynos4/cpuidle.c
2 *
3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com
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/kernel.h>
12#include <linux/init.h>
13#include <linux/cpuidle.h>
14#include <linux/io.h>
15
16#include <asm/proc-fns.h>
17
18static int exynos4_enter_idle(struct cpuidle_device *dev,
19 struct cpuidle_state *state);
20
21static struct cpuidle_state exynos4_cpuidle_set[] = {
22 [0] = {
23 .enter = exynos4_enter_idle,
24 .exit_latency = 1,
25 .target_residency = 100000,
26 .flags = CPUIDLE_FLAG_TIME_VALID,
27 .name = "IDLE",
28 .desc = "ARM clock gating(WFI)",
29 },
30};
31
32static DEFINE_PER_CPU(struct cpuidle_device, exynos4_cpuidle_device);
33
34static struct cpuidle_driver exynos4_idle_driver = {
35 .name = "exynos4_idle",
36 .owner = THIS_MODULE,
37};
38
39static int exynos4_enter_idle(struct cpuidle_device *dev,
40 struct cpuidle_state *state)
41{
42 struct timeval before, after;
43 int idle_time;
44
45 local_irq_disable();
46 do_gettimeofday(&before);
47
48 cpu_do_idle();
49
50 do_gettimeofday(&after);
51 local_irq_enable();
52 idle_time = (after.tv_sec - before.tv_sec) * USEC_PER_SEC +
53 (after.tv_usec - before.tv_usec);
54
55 return idle_time;
56}
57
58static int __init exynos4_init_cpuidle(void)
59{
60 int i, max_cpuidle_state, cpu_id;
61 struct cpuidle_device *device;
62
63 cpuidle_register_driver(&exynos4_idle_driver);
64
65 for_each_cpu(cpu_id, cpu_online_mask) {
66 device = &per_cpu(exynos4_cpuidle_device, cpu_id);
67 device->cpu = cpu_id;
68
69 device->state_count = (sizeof(exynos4_cpuidle_set) /
70 sizeof(struct cpuidle_state));
71
72 max_cpuidle_state = device->state_count;
73
74 for (i = 0; i < max_cpuidle_state; i++) {
75 memcpy(&device->states[i], &exynos4_cpuidle_set[i],
76 sizeof(struct cpuidle_state));
77 }
78
79 if (cpuidle_register_device(device)) {
80 printk(KERN_ERR "CPUidle register device failed\n,");
81 return -EIO;
82 }
83 }
84 return 0;
85}
86device_initcall(exynos4_init_cpuidle);
diff --git a/arch/arm/mach-exynos4/mach-nuri.c b/arch/arm/mach-exynos4/mach-nuri.c
index bb5d12f43af8..642702bb5b12 100644
--- a/arch/arm/mach-exynos4/mach-nuri.c
+++ b/arch/arm/mach-exynos4/mach-nuri.c
@@ -12,6 +12,7 @@
12#include <linux/serial_core.h> 12#include <linux/serial_core.h>
13#include <linux/input.h> 13#include <linux/input.h>
14#include <linux/i2c.h> 14#include <linux/i2c.h>
15#include <linux/i2c/atmel_mxt_ts.h>
15#include <linux/gpio_keys.h> 16#include <linux/gpio_keys.h>
16#include <linux/gpio.h> 17#include <linux/gpio.h>
17#include <linux/regulator/machine.h> 18#include <linux/regulator/machine.h>
@@ -32,6 +33,8 @@
32#include <plat/sdhci.h> 33#include <plat/sdhci.h>
33#include <plat/ehci.h> 34#include <plat/ehci.h>
34#include <plat/clock.h> 35#include <plat/clock.h>
36#include <plat/gpio-cfg.h>
37#include <plat/iic.h>
35 38
36#include <mach/map.h> 39#include <mach/map.h>
37 40
@@ -259,6 +262,88 @@ static struct i2c_board_info i2c1_devs[] __initdata = {
259 /* Gyro, To be updated */ 262 /* Gyro, To be updated */
260}; 263};
261 264
265/* TSP */
266static u8 mxt_init_vals[] = {
267 /* MXT_GEN_COMMAND(6) */
268 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
269 /* MXT_GEN_POWER(7) */
270 0x20, 0xff, 0x32,
271 /* MXT_GEN_ACQUIRE(8) */
272 0x0a, 0x00, 0x05, 0x00, 0x00, 0x00, 0x09, 0x23,
273 /* MXT_TOUCH_MULTI(9) */
274 0x00, 0x00, 0x00, 0x13, 0x0b, 0x00, 0x00, 0x00, 0x02, 0x00,
275 0x00, 0x01, 0x01, 0x0e, 0x0a, 0x0a, 0x0a, 0x0a, 0x00, 0x00,
276 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
277 0x00,
278 /* MXT_TOUCH_KEYARRAY(15) */
279 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00,
280 0x00,
281 /* MXT_SPT_GPIOPWM(19) */
282 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
283 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
284 /* MXT_PROCI_GRIPFACE(20) */
285 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0x28, 0x04,
286 0x0f, 0x0a,
287 /* MXT_PROCG_NOISE(22) */
288 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x23, 0x00,
289 0x00, 0x05, 0x0f, 0x19, 0x23, 0x2d, 0x03,
290 /* MXT_TOUCH_PROXIMITY(23) */
291 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
292 0x00, 0x00, 0x00, 0x00, 0x00,
293 /* MXT_PROCI_ONETOUCH(24) */
294 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
295 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
296 /* MXT_SPT_SELFTEST(25) */
297 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
298 0x00, 0x00, 0x00, 0x00,
299 /* MXT_PROCI_TWOTOUCH(27) */
300 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
301 /* MXT_SPT_CTECONFIG(28) */
302 0x00, 0x00, 0x02, 0x08, 0x10, 0x00,
303};
304
305static struct mxt_platform_data mxt_platform_data = {
306 .config = mxt_init_vals,
307 .config_length = ARRAY_SIZE(mxt_init_vals),
308
309 .x_line = 18,
310 .y_line = 11,
311 .x_size = 1024,
312 .y_size = 600,
313 .blen = 0x1,
314 .threshold = 0x28,
315 .voltage = 2800000, /* 2.8V */
316 .orient = MXT_DIAGONAL_COUNTER,
317 .irqflags = IRQF_TRIGGER_FALLING,
318};
319
320static struct s3c2410_platform_i2c i2c3_data __initdata = {
321 .flags = 0,
322 .bus_num = 3,
323 .slave_addr = 0x10,
324 .frequency = 400 * 1000,
325 .sda_delay = 100,
326};
327
328static struct i2c_board_info i2c3_devs[] __initdata = {
329 {
330 I2C_BOARD_INFO("atmel_mxt_ts", 0x4a),
331 .platform_data = &mxt_platform_data,
332 .irq = IRQ_EINT(4),
333 },
334};
335
336static void __init nuri_tsp_init(void)
337{
338 int gpio;
339
340 /* TOUCH_INT: XEINT_4 */
341 gpio = EXYNOS4_GPX0(4);
342 gpio_request(gpio, "TOUCH_INT");
343 s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(0xf));
344 s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP);
345}
346
262/* GPIO I2C 5 (PMIC) */ 347/* GPIO I2C 5 (PMIC) */
263static struct i2c_board_info i2c5_devs[] __initdata = { 348static struct i2c_board_info i2c5_devs[] __initdata = {
264 /* max8997, To be updated */ 349 /* max8997, To be updated */
@@ -283,6 +368,7 @@ static struct platform_device *nuri_devices[] __initdata = {
283 &s3c_device_wdt, 368 &s3c_device_wdt,
284 &s3c_device_timer[0], 369 &s3c_device_timer[0],
285 &s5p_device_ehci, 370 &s5p_device_ehci,
371 &s3c_device_i2c3,
286 372
287 /* NURI Devices */ 373 /* NURI Devices */
288 &nuri_gpio_keys, 374 &nuri_gpio_keys,
@@ -300,8 +386,11 @@ static void __init nuri_map_io(void)
300static void __init nuri_machine_init(void) 386static void __init nuri_machine_init(void)
301{ 387{
302 nuri_sdhci_init(); 388 nuri_sdhci_init();
389 nuri_tsp_init();
303 390
304 i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs)); 391 i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
392 s3c_i2c3_set_platdata(&i2c3_data);
393 i2c_register_board_info(3, i2c3_devs, ARRAY_SIZE(i2c3_devs));
305 i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs)); 394 i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs));
306 395
307 nuri_ehci_init(); 396 nuri_ehci_init();
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-08 19:22:05 -0500