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| author | Ajay Kumar <ajaykumar.rs@samsung.com> | 2015-03-04 19:05:27 +0530 |
|---|---|---|
| committer | Minkyu Kang <mk7.kang@samsung.com> | 2015-04-06 14:34:40 +0900 |
| commit | 55e70929b83bc512721d08cb32a7523458d9122d (patch) | |
| tree | d1a1fa580c2612fd81fb60f72707aa1693d9b978 /drivers | |
| parent | 9018efa7e227bc7041a98f5c5efebaa7ecfcfd0d (diff) | |
| download | u-boot-imx-55e70929b83bc512721d08cb32a7523458d9122d.zip u-boot-imx-55e70929b83bc512721d08cb32a7523458d9122d.tar.gz u-boot-imx-55e70929b83bc512721d08cb32a7523458d9122d.tar.bz2 | |
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 <ajaykumar.rs@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/parade.c | 11 |
1 files changed, 11 insertions, 0 deletions
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 <common.h> #include <i2c.h> #include <fdtdec.h> +#include <asm/gpio.h> /* * 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(); |