Add support to configure EDP_RST GPIO and EDP_SLP GPIO,
if provided in parade DT node.
Signed-off-by: Ajay Kumar <ajaykumar...@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();
--
1.7.9.5
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
