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>

diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c
index 507d2d510787c10d7172eb3d206496ca71e269ee..2b41c6de274d5f393f5081af4c300ce059d1203a 100644 (file)
--- a/arch/arm/mach-omap2/board-cm-t3517.c
+++ b/arch/arm/mach-omap2/board-cm-t3517.c
@@ -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")