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 507d2d5..2b41c6d 100644
--- 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 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 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 @@
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")