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omap3: cm-t3517: add support for v3020 rtc 

add support for v3020 rtc.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Igor Grinberg 2010-09-21 16:03:10 +00:00 committed by Tony Lindgren
parent d04b620e6e
commit 46893a56aa
1 changed files with 36 additions and 0 deletions
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36
arch/arm/mach-omap2/board-cm-t3517.c
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@ -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")