Hello.
On 29-04-2011 15:41, srinath@xxxxxxxxxxxxxxxxxxxx wrote:
From: Srinath <srinath@xxxxxxxxxxxxxxxxxxxx>
Added Display (DVI and TV) support for CraneBoard.
Signed-off-by: Srinath <srinath@xxxxxxxxxxxxxxxxxxxx>
[...]
diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c
index 05867b5..83fe85b 100644
--- a/arch/arm/mach-omap2/board-am3517crane.c
+++ b/arch/arm/mach-omap2/board-am3517crane.c
[...]
@@ -66,11 +69,83 @@ static struct usbhs_omap_board_data usbhs_bdata __initdata = {
.reset_gpio_port[2] = -EINVAL
};
+static void __init am3517_crane_display_init(void)
+{
+ int ret;
+
+ ret = omap_mux_init_gpio(GPIO_DVI_ENABLE, OMAP_PIN_OUTPUT);
+ if (ret< 0) {
+ pr_err("Can not configure mux for GPIO_DVI_ENABLE %d\n",
+ GPIO_DVI_ENABLE);
+ return;
+ }
+
+ ret = gpio_request(GPIO_DVI_ENABLE, "dvi_enable");
+ if (ret< 0) {
+ pr_err("Can not request GPIO %d\n", GPIO_DVI_ENABLE);
+ return;
+ }
+
+ ret = gpio_direction_output(GPIO_DVI_ENABLE, 1);
+ if (ret< 0) {
+ gpio_free(GPIO_DVI_ENABLE);
+ pr_err("Unable to enable DVI\n");
+ return;
+ }
You can use gpio_request_one() ISO gpio_request()/gpio_direction_output().
WBR, Sergei
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