From 55e70929b83bc512721d08cb32a7523458d9122d Mon Sep 17 00:00:00 2001 From: Ajay Kumar Date: Wed, 4 Mar 2015 19:05:27 +0530 Subject: video: parade: configure SLP and RST GPIOs if specified in DT Add support to configure EDP_RST GPIO and EDP_SLP GPIO, if provided in parade DT node. Signed-off-by: Ajay Kumar Reviewed-by: Simon Glass Tested-by: Simon Glass Signed-off-by: Minkyu Kang --- drivers/video/parade.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'drivers') diff --git a/drivers/video/parade.c b/drivers/video/parade.c index 0f543f6..ae50971 100644 --- a/drivers/video/parade.c +++ b/drivers/video/parade.c @@ -12,6 +12,7 @@ #include #include #include +#include /* * Initialization of the chip is a process of writing certaing values into @@ -180,6 +181,8 @@ static int parade_write_regs(int base_addr, const struct reg_data *table) int parade_init(const void *blob) { + struct gpio_desc rst_gpio; + struct gpio_desc slp_gpio; int bus, old_bus; int parent; int node; @@ -201,6 +204,14 @@ int parade_init(const void *blob) return -1; } + gpio_request_by_name_nodev(blob, node, "sleep-gpio", 0, &slp_gpio, + GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); + + mdelay(10); + + gpio_request_by_name_nodev(blob, node, "reset-gpio", 0, &rst_gpio, + GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); + bus = i2c_get_bus_num_fdt(parent); old_bus = i2c_get_bus_num(); -- cgit v1.1