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 --- drivers/video/parade.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/drivers/video/parade.c b/drivers/video/parade.c index 0f543f6..525ef07 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 +204,18 @@ int parade_init(const void *blob) return -1; }
+ gpio_request_by_name_nodev(blob, node, "sleep-gpio", 0, &slp_gpio, + GPIOD_IS_OUT); + if (dm_gpio_is_valid(&slp_gpio)) + dm_gpio_set_value(&slp_gpio, 1); + + mdelay(10); + + gpio_request_by_name_nodev(blob, node, "reset-gpio", 0, &rst_gpio, + GPIOD_IS_OUT); + if (dm_gpio_is_valid(&rst_gpio)) + dm_gpio_set_value(&rst_gpio, 1); + bus = i2c_get_bus_num_fdt(parent); old_bus = i2c_get_bus_num();