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Commit 46893a56 authored by Igor Grinberg's avatar Igor Grinberg Committed by Tony Lindgren
Browse files

omap3: cm-t3517: add support for v3020 rtc 



add support for v3020 rtc.

Signed-off-by: default avatarIgor Grinberg <grinberg@compulab.co.il>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent d04b620e

arch/arm/mach-omap2/board-cm-t3517.c

+36 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ 
#include <linux/platform_device.h>

#include <linux/gpio.h>

#include <linux/leds.h>

#include <linux/rtc-v3020.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>
@@ -69,6 +70,35 @@ static void __init cm_t3517_init_leds(void) 
static inline void cm_t3517_init_leds(void) {}

#endif



#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)

#define RTC_IO_GPIO		(153)

#define RTC_WR_GPIO		(154)

#define RTC_RD_GPIO		(160)

#define RTC_CS_GPIO		(163)



struct v3020_platform_data cm_t3517_v3020_pdata = {

	.use_gpio	= 1,

	.gpio_cs	= RTC_CS_GPIO,

	.gpio_wr	= RTC_WR_GPIO,

	.gpio_rd	= RTC_RD_GPIO,

	.gpio_io	= RTC_IO_GPIO,

};



static struct platform_device cm_t3517_rtc_device = {

	.name		= "v3020",

	.id		= -1,

	.dev		= {

		.platform_data = &cm_t3517_v3020_pdata,

	}

};



static void __init cm_t3517_init_rtc(void)

{

	platform_device_register(&cm_t3517_rtc_device);

}

#else

static inline void cm_t3517_init_rtc(void) {}

#endif



static struct omap_board_config_kernel cm_t3517_config[] __initdata = {

};
@@ -86,6 +116,11 @@ static void __init cm_t3517_init_irq(void) 
static struct omap_board_mux board_mux[] __initdata = {

	/* GPIO186 - Green LED */

	OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),

	/* RTC GPIOs: IO, WR#, RD#, CS# */

	OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),

	OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),

	OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),

	OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),



	{ .reg_offset = OMAP_MUX_TERMINATOR },

};
@@ -95,6 +130,7 @@ static void __init cm_t3517_init(void) 
	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);

	omap_serial_init();

	cm_t3517_init_leds();

	cm_t3517_init_rtc();

}



MACHINE_START(CM_T3517, "Compulab CM-T3517")