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| author | Valentin Longchamp <valentin.longchamp@epfl.ch> | 2009-08-12 11:29:20 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-08-14 12:41:11 +0200 |
| commit | 8b1a540c245d68a77dbd909359cfc709b6a3a1bf (patch) | |
| tree | fed3f7298d288e8f3a01c8752fe8432063e5bcdd /arch/arm | |
| parent | 77aa561db19229a36859018277f41be88684b487 (diff) | |
| download | lwn-8b1a540c245d68a77dbd909359cfc709b6a3a1bf.tar.gz lwn-8b1a540c245d68a77dbd909359cfc709b6a3a1bf.zip | |
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')
| -rw-r--r-- | arch/arm/mach-mx3/mx31moboard.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c index ac337d264093..d3c6bb26271f 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); |