omap3: board-3430sdp: Initialise the serial pads

Use the mux framework to initialise the serial pads.

Signed-off-by: sricharan <r.sricharan@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 101 insertions, 1 deletions

diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index 5464bec156ad..b3918044e059 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -652,6 +652,106 @@ static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 static struct omap_board_mux board_mux[] __initdata = {
         { .reg_offset = OMAP_MUX_TERMINATOR },
 };
+
+static struct omap_device_pad serial1_pads[] __initdata = {
+        /*
+         * Note that off output enable is an active low
+         * signal. So setting this means pin is a
+         * input enabled in off mode
+         */
+        OMAP_MUX_STATIC("uart1_cts.uart1_cts",
+                         OMAP_PIN_INPUT |
+                         OMAP_PIN_OFF_INPUT_PULLDOWN |
+                         OMAP_OFFOUT_EN |
+                         OMAP_MUX_MODE0),
+        OMAP_MUX_STATIC("uart1_rts.uart1_rts",
+                         OMAP_PIN_OUTPUT |
+                         OMAP_OFF_EN |
+                         OMAP_MUX_MODE0),
+        OMAP_MUX_STATIC("uart1_rx.uart1_rx",
+                         OMAP_PIN_INPUT |
+                         OMAP_PIN_OFF_INPUT_PULLDOWN |
+                         OMAP_OFFOUT_EN |
+                         OMAP_MUX_MODE0),
+        OMAP_MUX_STATIC("uart1_tx.uart1_tx",
+                         OMAP_PIN_OUTPUT |
+                         OMAP_OFF_EN |
+                         OMAP_MUX_MODE0),
+};
+
+static struct omap_device_pad serial2_pads[] __initdata = {
+        OMAP_MUX_STATIC("uart2_cts.uart2_cts",
+                         OMAP_PIN_INPUT_PULLUP |
+                         OMAP_PIN_OFF_INPUT_PULLDOWN |
+                         OMAP_OFFOUT_EN |
+                         OMAP_MUX_MODE0),
+        OMAP_MUX_STATIC("uart2_rts.uart2_rts",
+                         OMAP_PIN_OUTPUT |
+                         OMAP_OFF_EN |
+                         OMAP_MUX_MODE0),
+        OMAP_MUX_STATIC("uart2_rx.uart2_rx",
+                         OMAP_PIN_INPUT |
+                         OMAP_PIN_OFF_INPUT_PULLDOWN |
+                         OMAP_OFFOUT_EN |
+                         OMAP_MUX_MODE0),
+        OMAP_MUX_STATIC("uart2_tx.uart2_tx",
+                         OMAP_PIN_OUTPUT |
+                         OMAP_OFF_EN |
+                         OMAP_MUX_MODE0),
+};
+
+static struct omap_device_pad serial3_pads[] __initdata = {
+        OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx",
+                         OMAP_PIN_INPUT_PULLDOWN |
+                         OMAP_PIN_OFF_INPUT_PULLDOWN |
+                         OMAP_OFFOUT_EN |
+                         OMAP_MUX_MODE0),
+        OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd",
+                         OMAP_PIN_OUTPUT |
+                         OMAP_OFF_EN |
+                         OMAP_MUX_MODE0),
+        OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx",
+                         OMAP_PIN_INPUT |
+                         OMAP_PIN_OFF_INPUT_PULLDOWN |
+                         OMAP_OFFOUT_EN |
+                         OMAP_MUX_MODE0),
+        OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx",
+                         OMAP_PIN_OUTPUT |
+                         OMAP_OFF_EN |
+                         OMAP_MUX_MODE0),
+};
+
+static struct omap_board_data serial1_data = {
+        .id             = 0,
+        .pads           = serial1_pads,
+        .pads_cnt       = ARRAY_SIZE(serial1_pads),
+};
+
+static struct omap_board_data serial2_data = {
+        .id             = 1,
+        .pads           = serial2_pads,
+        .pads_cnt       = ARRAY_SIZE(serial2_pads),
+};
+
+static struct omap_board_data serial3_data = {
+        .id             = 2,
+        .pads           = serial3_pads,
+        .pads_cnt       = ARRAY_SIZE(serial3_pads),
+};
+
+static inline void board_serial_init(void)
+{
+        omap_serial_init_port(&serial1_data);
+        omap_serial_init_port(&serial2_data);
+        omap_serial_init_port(&serial3_data);
+}
+#else
+#define board_mux       NULL
+
+static inline void board_serial_init(void)
+{
+        omap_serial_init();
+}
 #endif
 
 /*
@@ -796,7 +896,7 @@ static void __init omap_3430sdp_init(void)
         spi_register_board_info(sdp3430_spi_board_info,
                                 ARRAY_SIZE(sdp3430_spi_board_info));
         ads7846_dev_init();
-        omap_serial_init();
+        board_serial_init();
         usb_musb_init(&musb_board_data);
         board_smc91x_init();
         board_flash_init(sdp_flash_partitions, chip_sel_3430, 0);