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Diffstat (limited to 'arch/arm/mach-mx3/armadillo5x0.c')
-rw-r--r--arch/arm/mach-mx3/armadillo5x0.c60
1 files changed, 59 insertions, 1 deletions
diff --git a/arch/arm/mach-mx3/armadillo5x0.c b/arch/arm/mach-mx3/armadillo5x0.c
index 776c0ee1b3cd..54aab401dbdf 100644
--- a/arch/arm/mach-mx3/armadillo5x0.c
+++ b/arch/arm/mach-mx3/armadillo5x0.c
@@ -33,6 +33,9 @@
33#include <linux/irq.h> 33#include <linux/irq.h>
34#include <linux/mtd/physmap.h> 34#include <linux/mtd/physmap.h>
35#include <linux/io.h> 35#include <linux/io.h>
36#include <linux/input.h>
37#include <linux/gpio_keys.h>
38#include <linux/i2c.h>
36 39
37#include <mach/hardware.h> 40#include <mach/hardware.h>
38#include <asm/mach-types.h> 41#include <asm/mach-types.h>
@@ -97,6 +100,47 @@ static int armadillo5x0_pins[] = {
97 MX31_PIN_FPSHIFT__FPSHIFT, 100 MX31_PIN_FPSHIFT__FPSHIFT,
98 MX31_PIN_DRDY0__DRDY0, 101 MX31_PIN_DRDY0__DRDY0,
99 IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/ 102 IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/
103 /* I2C2 */
104 MX31_PIN_CSPI2_MOSI__SCL,
105 MX31_PIN_CSPI2_MISO__SDA,
106};
107
108/* RTC over I2C*/
109#define ARMADILLO5X0_RTC_GPIO IOMUX_TO_GPIO(MX31_PIN_SRXD4)
110
111static struct i2c_board_info armadillo5x0_i2c_rtc = {
112 I2C_BOARD_INFO("s35390a", 0x30),
113};
114
115/* GPIO BUTTONS */
116static struct gpio_keys_button armadillo5x0_buttons[] = {
117 {
118 .code = KEY_ENTER, /*28*/
119 .gpio = IOMUX_TO_GPIO(MX31_PIN_SCLK0),
120 .active_low = 1,
121 .desc = "menu",
122 .wakeup = 1,
123 }, {
124 .code = KEY_BACK, /*158*/
125 .gpio = IOMUX_TO_GPIO(MX31_PIN_SRST0),
126 .active_low = 1,
127 .desc = "back",
128 .wakeup = 1,
129 }
130};
131
132static struct gpio_keys_platform_data armadillo5x0_button_data = {
133 .buttons = armadillo5x0_buttons,
134 .nbuttons = ARRAY_SIZE(armadillo5x0_buttons),
135};
136
137static struct platform_device armadillo5x0_button_device = {
138 .name = "gpio-keys",
139 .id = -1,
140 .num_resources = 0,
141 .dev = {
142 .platform_data = &armadillo5x0_button_data,
143 }
100}; 144};
101 145
102/* 146/*
@@ -278,7 +322,7 @@ static struct resource armadillo5x0_smc911x_resources[] = {
278}; 322};
279 323
280static struct smsc911x_platform_config smsc911x_info = { 324static struct smsc911x_platform_config smsc911x_info = {
281 .flags = SMSC911X_USE_32BIT, 325 .flags = SMSC911X_USE_16BIT,
282 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, 326 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
283 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, 327 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
284}; 328};
@@ -300,6 +344,8 @@ static struct imxuart_platform_data uart_pdata = {
300 344
301static struct platform_device *devices[] __initdata = { 345static struct platform_device *devices[] __initdata = {
302 &armadillo5x0_smc911x_device, 346 &armadillo5x0_smc911x_device,
347 &mxc_i2c_device1,
348 &armadillo5x0_button_device,
303}; 349};
304 350
305/* 351/*
@@ -335,6 +381,18 @@ static void __init armadillo5x0_init(void)
335 381
336 /* set NAND page size to 2k if not configured via boot mode pins */ 382 /* set NAND page size to 2k if not configured via boot mode pins */
337 __raw_writel(__raw_readl(MXC_CCM_RCSR) | (1 << 30), MXC_CCM_RCSR); 383 __raw_writel(__raw_readl(MXC_CCM_RCSR) | (1 << 30), MXC_CCM_RCSR);
384
385 /* RTC */
386 /* Get RTC IRQ and register the chip */
387 if (gpio_request(ARMADILLO5X0_RTC_GPIO, "rtc") == 0) {
388 if (gpio_direction_input(ARMADILLO5X0_RTC_GPIO) == 0)
389 armadillo5x0_i2c_rtc.irq = gpio_to_irq(ARMADILLO5X0_RTC_GPIO);
390 else
391 gpio_free(ARMADILLO5X0_RTC_GPIO);
392 }
393 if (armadillo5x0_i2c_rtc.irq == 0)
394 pr_warning("armadillo5x0_init: failed to get RTC IRQ\n");
395 i2c_register_board_info(1, &armadillo5x0_i2c_rtc, 1);
338} 396}
339 397
340static void __init armadillo5x0_timer_init(void) 398static void __init armadillo5x0_timer_init(void)