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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 776c0ee1b3c..54aab401dbd 100644
--- a/arch/arm/mach-mx3/armadillo5x0.c
+++ b/arch/arm/mach-mx3/armadillo5x0.c
@@ -33,6 +33,9 @@
#include <linux/irq.h>
#include <linux/mtd/physmap.h>
#include <linux/io.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+#include <linux/i2c.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -97,6 +100,47 @@ static int armadillo5x0_pins[] = {
MX31_PIN_FPSHIFT__FPSHIFT,
MX31_PIN_DRDY0__DRDY0,
IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/
+ /* I2C2 */
+ MX31_PIN_CSPI2_MOSI__SCL,
+ MX31_PIN_CSPI2_MISO__SDA,
+};
+
+/* RTC over I2C*/
+#define ARMADILLO5X0_RTC_GPIO IOMUX_TO_GPIO(MX31_PIN_SRXD4)
+
+static struct i2c_board_info armadillo5x0_i2c_rtc = {
+ I2C_BOARD_INFO("s35390a", 0x30),
+};
+
+/* GPIO BUTTONS */
+static struct gpio_keys_button armadillo5x0_buttons[] = {
+ {
+ .code = KEY_ENTER, /*28*/
+ .gpio = IOMUX_TO_GPIO(MX31_PIN_SCLK0),
+ .active_low = 1,
+ .desc = "menu",
+ .wakeup = 1,
+ }, {
+ .code = KEY_BACK, /*158*/
+ .gpio = IOMUX_TO_GPIO(MX31_PIN_SRST0),
+ .active_low = 1,
+ .desc = "back",
+ .wakeup = 1,
+ }
+};
+
+static struct gpio_keys_platform_data armadillo5x0_button_data = {
+ .buttons = armadillo5x0_buttons,
+ .nbuttons = ARRAY_SIZE(armadillo5x0_buttons),
+};
+
+static struct platform_device armadillo5x0_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &armadillo5x0_button_data,
+ }
};
/*
@@ -278,7 +322,7 @@ static struct resource armadillo5x0_smc911x_resources[] = {
};
static struct smsc911x_platform_config smsc911x_info = {
- .flags = SMSC911X_USE_32BIT,
+ .flags = SMSC911X_USE_16BIT,
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
};
@@ -300,6 +344,8 @@ static struct imxuart_platform_data uart_pdata = {
static struct platform_device *devices[] __initdata = {
&armadillo5x0_smc911x_device,
+ &mxc_i2c_device1,
+ &armadillo5x0_button_device,
};
/*
@@ -335,6 +381,18 @@ static void __init armadillo5x0_init(void)
/* set NAND page size to 2k if not configured via boot mode pins */
__raw_writel(__raw_readl(MXC_CCM_RCSR) | (1 << 30), MXC_CCM_RCSR);
+
+ /* RTC */
+ /* Get RTC IRQ and register the chip */
+ if (gpio_request(ARMADILLO5X0_RTC_GPIO, "rtc") == 0) {
+ if (gpio_direction_input(ARMADILLO5X0_RTC_GPIO) == 0)
+ armadillo5x0_i2c_rtc.irq = gpio_to_irq(ARMADILLO5X0_RTC_GPIO);
+ else
+ gpio_free(ARMADILLO5X0_RTC_GPIO);
+ }
+ if (armadillo5x0_i2c_rtc.irq == 0)
+ pr_warning("armadillo5x0_init: failed to get RTC IRQ\n");
+ i2c_register_board_info(1, &armadillo5x0_i2c_rtc, 1);
}
static void __init armadillo5x0_timer_init(void)