arm: omap3: cm-t3517: rtc fix

Fix rtc gpios and mux

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 5b0c777..1706df0 100644 (file)
--- a/arch/arm/mach-omap2/board-cm-t3517.c
+++ b/arch/arm/mach-omap2/board-cm-t3517.c
@@ -124,8 +124,9 @@ static inline void cm_t3517_init_hecc(void) {}
 #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_RD_GPIO            (53)
 #define RTC_CS_GPIO            (163)
+#define RTC_CS_EN_GPIO         (160)
 
 struct v3020_platform_data cm_t3517_v3020_pdata = {
        .use_gpio       = 1,
@@ -145,6 +146,16 @@ static struct platform_device cm_t3517_rtc_device = {
 
 static void __init cm_t3517_init_rtc(void)
 {
+       int err;
+
+       err = gpio_request(RTC_CS_EN_GPIO, "rtc cs en");
+       if (err) {
+               pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err);
+               return;
+       }
+
+       gpio_direction_output(RTC_CS_EN_GPIO, 1);
+
        platform_device_register(&cm_t3517_rtc_device);
 }
 #else
@@ -256,11 +267,19 @@ 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# */
+
+       /* RTC GPIOs: */
+       /* IO - GPIO153 */
        OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+       /* WR# - GPIO154 */
        OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
-       OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+       /* RD# - GPIO53 */
+       OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+       /* CS# - GPIO163 */
        OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+       /* CS EN - GPIO160 */
+       OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+
        /* HSUSB1 RESET */
        OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
        /* HSUSB2 RESET */