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Commit f2afbbb8 authored by Vaibhav Hiremath's avatar Vaibhav Hiremath Committed by Tony Lindgren
Browse files

AM3517: Enable RTC driver support for AM3517EVM 



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

Signed-off-by: default avatarVaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 1f738dc3

arch/arm/mach-omap2/board-am3517evm.c

+39 −0
Original line number Diff line number Diff line
@@ -38,6 +38,39 @@ 
#define LCD_PANEL_BKLIGHT_PWR	182

#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)

{

	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)