| Message ID | 1425391409-25576-5-git-send-email-ajaykumar.rs@samsung.com |
|---|---|
| State | Superseded |
| Headers | show |
Hi, On 3 March 2015 at 07:03, Ajay Kumar <ajaykumar.rs@samsung.com> wrote: > 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(+) Reviewed-by: Simon Glass <sjg@chromium.org> (but see below) Tested on Pi. Tested-by: Simon Glass <sjg@chromium.org> > > 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); Again you can use GPIOD_IS_OUT_ACTIVE here. > + > + 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 > Regards, Simon
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();
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(+)