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>
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@ -76,6 +76,9 @@ static unsigned int moboard_pins[] = {
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/* LEDs */
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MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
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MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
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/* SEL */
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MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9,
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MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11,
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};
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static struct physmap_flash_data mx31moboard_flash_data = {
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@ -235,6 +238,34 @@ static struct platform_device mx31moboard_leds_device = {
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},
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};
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#define SEL0 IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
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#define SEL1 IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
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#define SEL2 IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
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#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
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static void mx31moboard_init_sel_gpios(void)
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{
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if (!gpio_request(SEL0, "sel0")) {
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gpio_direction_input(SEL0);
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gpio_export(SEL0, true);
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}
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if (!gpio_request(SEL1, "sel1")) {
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gpio_direction_input(SEL1);
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gpio_export(SEL1, true);
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}
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if (!gpio_request(SEL2, "sel2")) {
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gpio_direction_input(SEL2);
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gpio_export(SEL2, true);
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}
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if (!gpio_request(SEL3, "sel3")) {
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gpio_direction_input(SEL3);
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gpio_export(SEL3, true);
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}
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}
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static struct platform_device *devices[] __initdata = {
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&mx31moboard_flash,
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&mx31moboard_leds_device,
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@ -256,6 +287,8 @@ static void __init mxc_board_init(void)
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mxc_register_device(&mxc_uart_device0, &uart_pdata);
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mxc_register_device(&mxc_uart_device4, &uart_pdata);
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mx31moboard_init_sel_gpios();
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mxc_register_device(&mxc_i2c_device0, &moboard_i2c0_pdata);
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mxc_register_device(&mxc_i2c_device1, &moboard_i2c1_pdata);
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