From: Vaibhav Hiremath <hvaib...@ti.com>
Add platform hook-up interface to support RTC driver (S35390A).
Signed-off-by: Vaibhav Hiremath <hvaib...@ti.com>
---
arch/arm/mach-omap2/board-am3517evm.c | 30 ++++++++++++++++++++++++++----
1 files changed, 26 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mach-omap2/board-am3517evm.c
b/arch/arm/mach-omap2/board-am3517evm.c
index 33d364a..67edb0f 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -80,14 +80,24 @@ struct tsc2004_platform_data am3517evm_tsc2004data = {
.exit_platform_hw = tsc2004_exit_irq,
};
-static struct i2c_board_info __initdata am3517evm_tsc_i2c_boardinfo[] = {
+/*
+ * RTC - S35390A
+ */
+#define GPIO_RTCS35390A_IRQ 55
+
+static struct i2c_board_info __initdata am3517evm_i2c_boardinfo[] = {
{
I2C_BOARD_INFO("tsc2004", 0x4B),
.type = "tsc2004",
.platform_data = &am3517evm_tsc2004data,
},
+ {
+ I2C_BOARD_INFO("s35390a", 0x30),
+ .type = "s35390a",
+ },
};
+
static int __init am3517_evm_i2c_init(void)
{
omap_register_i2c_bus(1, 400, NULL, 0);
@@ -145,11 +155,23 @@ static void __init am3517_evm_init(void)
omap_serial_init();
usb_ehci_init(&ehci_pdata);
+
/* TSC 2004 */
omap_mux_init_gpio(65, OMAP_PIN_INPUT_PULLUP);
- am3517evm_tsc_i2c_boardinfo[0].irq = gpio_to_irq(GPIO_TSC2004_IRQ);
- i2c_register_board_info(1, am3517evm_tsc_i2c_boardinfo,
- ARRAY_SIZE(am3517evm_tsc_i2c_boardinfo));
+ am3517evm_i2c_boardinfo[0].irq = gpio_to_irq(GPIO_TSC2004_IRQ);
+
+ /* RTC - S35390A */
+ omap_mux_init_gpio(55, OMAP_PIN_INPUT_PULLUP);
+ if (gpio_request(GPIO_RTCS35390A_IRQ, "rtcs35390a-irq") < 0)
+ printk(KERN_WARNING "failed to request GPIO#%d\n",
+ GPIO_RTCS35390A_IRQ);
+ if (gpio_direction_input(GPIO_RTCS35390A_IRQ))
+ printk(KERN_WARNING "GPIO#%d cannot be configured as "
+ "input\n", GPIO_RTCS35390A_IRQ);
+ am3517evm_i2c_boardinfo[1].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
+
+ 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
--
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