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ARM: OMAP3: RX-51: add explicit mux configuration of tsc2005 control gpios 

This change converts TSC2005 related GPIO requests to be done with
gpio_request_array() method and explicitly inits mux configuration for
these GPIOs.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Vladimir Zapolskiy 2012-03-05 11:08:35 -08:00 committed by Tony Lindgren
parent afbb1893ef
commit d4860ebef4
1 changed files with 14 additions and 11 deletions
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25
arch/arm/mach-omap2/board-rx51-peripherals.c
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@ -1105,6 +1105,11 @@ static struct tsc2005_platform_data tsc2005_pdata = {
.esd_timeout_ms = 8000,
};
static struct gpio rx51_tsc2005_gpios[] __initdata = {
{ RX51_TSC2005_IRQ_GPIO, GPIOF_IN, "tsc2005 IRQ" },
{ RX51_TSC2005_RESET_GPIO, GPIOF_OUT_INIT_HIGH, "tsc2005 reset" },
};
static void rx51_tsc2005_set_reset(bool enable)
{
gpio_set_value(RX51_TSC2005_RESET_GPIO, enable);
@ -1114,20 +1119,18 @@ static void __init rx51_init_tsc2005(void)
{
int r;
r = gpio_request_one(RX51_TSC2005_IRQ_GPIO, GPIOF_IN, "tsc2005 IRQ");
omap_mux_init_gpio(RX51_TSC2005_RESET_GPIO, OMAP_PIN_OUTPUT);
omap_mux_init_gpio(RX51_TSC2005_IRQ_GPIO, OMAP_PIN_INPUT_PULLUP);
r = gpio_request_array(rx51_tsc2005_gpios,
ARRAY_SIZE(rx51_tsc2005_gpios));
if (r < 0) {
printk(KERN_ERR "unable to get %s GPIO\n", "tsc2005 IRQ");
rx51_peripherals_spi_board_info[RX51_SPI_TSC2005].irq = 0;
printk(KERN_ERR "tsc2005 board initialization failed\n");
tsc2005_pdata.esd_timeout_ms = 0;
return;
}
r = gpio_request_one(RX51_TSC2005_RESET_GPIO, GPIOF_OUT_INIT_HIGH,
"tsc2005 reset");
if (r >= 0) {
tsc2005_pdata.set_reset = rx51_tsc2005_set_reset;
} else {
printk(KERN_ERR "unable to get %s GPIO\n", "tsc2005 reset");
tsc2005_pdata.esd_timeout_ms = 0;
}
tsc2005_pdata.set_reset = rx51_tsc2005_set_reset;
}
void __init rx51_peripherals_init(void)