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authorVladimir Zapolskiy <vz@mleia.com>2012-03-05 11:08:35 -0800
committerTony Lindgren <tony@atomide.com>2012-03-05 11:08:35 -0800
commitd4860ebef4f7e45ebc37013d5008de85cc24a94e (patch)
tree90f49e31be158f7f5fd30fbac3731e941e9ab204 /arch/arm/mach-omap2/board-rx51-peripherals.c
parentafbb1893ef49cc465d9b2b724c1f1838999f8dba (diff)
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>
Diffstat (limited to 'arch/arm/mach-omap2/board-rx51-peripherals.c')
-rw-r--r--arch/arm/mach-omap2/board-rx51-peripherals.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index acb4e77b39e..33c1f8c5035 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -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");
- if (r < 0) {
- printk(KERN_ERR "unable to get %s GPIO\n", "tsc2005 IRQ");
- rx51_peripherals_spi_board_info[RX51_SPI_TSC2005].irq = 0;
- }
+ 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_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");
+ r = gpio_request_array(rx51_tsc2005_gpios,
+ ARRAY_SIZE(rx51_tsc2005_gpios));
+ if (r < 0) {
+ printk(KERN_ERR "tsc2005 board initialization failed\n");
tsc2005_pdata.esd_timeout_ms = 0;
+ return;
}
+
+ tsc2005_pdata.set_reset = rx51_tsc2005_set_reset;
}
void __init rx51_peripherals_init(void)