From: Vaibhav Hiremath <hvaibhav@xxxxxx>
Add platform hook-up interface to support RTC driver (S35390A).
Signed-off-by: Vaibhav Hiremath <hvaibhav@xxxxxx>
---
arch/arm/mach-omap2/board-am3517evm.c | 39 +++++++++++++++++++++++++++++++++
1 files changed, 39 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index 247c700..9589e46 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -175,6 +175,39 @@ struct platform_device am3517_evm_dss_device = {
},
};
+static struct i2c_board_info __initdata am3517evm_i2c_boardinfo[] = {
+ {
+ I2C_BOARD_INFO("s35390a", 0x30),
+ .type = "s35390a",
+ },
+};
+
+/*
+ * RTC - S35390A
+ */
+#define GPIO_RTCS35390A_IRQ 55
+
+static void __init am3517_evm_rtc_init(void)
+{
+ int r;
+
+ omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP);
+ r = gpio_request(GPIO_RTCS35390A_IRQ, "rtcs35390a-irq");
+ if (r < 0) {
+ printk(KERN_WARNING "failed to request GPIO#%d\n",
+ GPIO_RTCS35390A_IRQ);
+ return;
+ }
+ r = gpio_direction_input(GPIO_RTCS35390A_IRQ);
+ if (r < 0) {
+ printk(KERN_WARNING "GPIO#%d cannot be configured as input\n",
+ GPIO_RTCS35390A_IRQ);
+ gpio_free(GPIO_RTCS35390A_IRQ);
+ return;
+ }
+ am3517evm_i2c_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
+}
+
static int __init am3517_evm_i2c_init(void)
{
omap_register_i2c_bus(1, 400, NULL, 0);
@@ -235,6 +268,12 @@ static void __init am3517_evm_init(void)
usb_ehci_init(&ehci_pdata);
/* DSS */
am3517_evm_display_init();
+
+ /* RTC - S35390A */
+ am3517_evm_rtc_init();
+
+ i2c_register_board_info(1, am3517evm_i2c_boardinfo,
+ ARRAY_SIZE(am3517evm_i2c_boardinfo));
}
static void __init am3517_evm_map_io(void)
--
1.6.2.4
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
