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authorValentin Longchamp <valentin.longchamp@epfl.ch>2009-08-12 11:29:20 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2009-08-14 12:41:11 +0200
commit8b1a540c245d68a77dbd909359cfc709b6a3a1bf (patch)
treefed3f7298d288e8f3a01c8752fe8432063e5bcdd /arch/arm/mach-mx3
parent77aa561db19229a36859018277f41be88684b487 (diff)
downloadop-kernel-dev-8b1a540c245d68a77dbd909359cfc709b6a3a1bf.zip
op-kernel-dev-8b1a540c245d68a77dbd909359cfc709b6a3a1bf.tar.gz
mx31moboard: initialize 4 input gpios for mx31moboard
These gpios are exported to userspace and are here to be used as a selector Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx3')
-rw-r--r--arch/arm/mach-mx3/mx31moboard.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c
index ac337d2..d3c6bb2 100644
--- a/arch/arm/mach-mx3/mx31moboard.c
+++ b/arch/arm/mach-mx3/mx31moboard.c
@@ -76,6 +76,9 @@ static unsigned int moboard_pins[] = {
/* LEDs */
MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
+ /* SEL */
+ MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9,
+ MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11,
};
static struct physmap_flash_data mx31moboard_flash_data = {
@@ -235,6 +238,34 @@ static struct platform_device mx31moboard_leds_device = {
},
};
+#define SEL0 IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
+#define SEL1 IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
+#define SEL2 IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
+#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
+
+static void mx31moboard_init_sel_gpios(void)
+{
+ if (!gpio_request(SEL0, "sel0")) {
+ gpio_direction_input(SEL0);
+ gpio_export(SEL0, true);
+ }
+
+ if (!gpio_request(SEL1, "sel1")) {
+ gpio_direction_input(SEL1);
+ gpio_export(SEL1, true);
+ }
+
+ if (!gpio_request(SEL2, "sel2")) {
+ gpio_direction_input(SEL2);
+ gpio_export(SEL2, true);
+ }
+
+ if (!gpio_request(SEL3, "sel3")) {
+ gpio_direction_input(SEL3);
+ gpio_export(SEL3, true);
+ }
+}
+
static struct platform_device *devices[] __initdata = {
&mx31moboard_flash,
&mx31moboard_leds_device,
@@ -256,6 +287,8 @@ static void __init mxc_board_init(void)
mxc_register_device(&mxc_uart_device0, &uart_pdata);
mxc_register_device(&mxc_uart_device4, &uart_pdata);
+ mx31moboard_init_sel_gpios();
+
mxc_register_device(&mxc_i2c_device0, &moboard_i2c0_pdata);
mxc_register_device(&mxc_i2c_device1, &moboard_i2c1_pdata);
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