Use the mux framework to initialise the serial pads.
Signed-off-by: sricharan <r.sricharan@xxxxxx>
---
V1: Initial patch
V2: Remove flags that were to be used for only testing.
V3: Correct the off mode settings.
V4: Use the Macro to mux the static pads.
arch/arm/mach-omap2/board-3430sdp.c | 102 ++++++++++++++++++++++++++++++++++-
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 5464bec..b391804 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);
--
1.7.0.4
--
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