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Commit 8b1a540c authored by Valentin Longchamp's avatar Valentin Longchamp Committed by Sascha Hauer
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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: default avatarValentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 77aa561d

arch/arm/mach-mx3/mx31moboard.c

+33 −0
Original line number Diff line number Diff line
@@ -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);