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AM3517: Enable RTC driver support for AM3517EVM 

Add platform hook-up interface to support RTC driver (S35390A).

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Vaibhav Hiremath 2010-02-13 11:47:56 +00:00 committed by Tony Lindgren
parent 1f738dc306
commit f2afbbb82e
1 changed files with 39 additions and 0 deletions
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39
arch/arm/mach-omap2/board-am3517evm.c
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@ -38,6 +38,39 @@
#define LCD_PANEL_BKLIGHT_PWR 182 #define LCD_PANEL_BKLIGHT_PWR 182
#define LCD_PANEL_PWM 181 #define LCD_PANEL_PWM 181
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) static int __init am3517_evm_i2c_init(void)
{ {
omap_register_i2c_bus(1, 400, NULL, 0); omap_register_i2c_bus(1, 400, NULL, 0);
@ -235,6 +268,12 @@ static void __init am3517_evm_init(void)
usb_ehci_init(&ehci_pdata); usb_ehci_init(&ehci_pdata);
/* DSS */ /* DSS */
am3517_evm_display_init(); 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) static void __init am3517_evm_map_io(void)