On Wed, Aug 15, 2018 at 6:12 PM, Marek Vasut marex@denx.de wrote:
On 08/15/2018 08:05 PM, Ley Foon Tan wrote:
Enabled get_function support for dwapb where the function will return the state of GPIO port.
Signed-off-by: Chin Liang See chin.liang.see@intel.com Signed-off-by: Ley Foon Tan ley.foon.tan@intel.com
drivers/gpio/dwapb_gpio.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/drivers/gpio/dwapb_gpio.c b/drivers/gpio/dwapb_gpio.c index 680b11a..3b5c181 100644 --- a/drivers/gpio/dwapb_gpio.c +++ b/drivers/gpio/dwapb_gpio.c @@ -78,11 +78,26 @@ static int dwapb_gpio_set_value(struct udevice *dev, unsigned pin, int val) return 0; }
+static int dwapb_gpio_get_function(struct udevice *dev, unsigned offset) +{
struct gpio_dwapb_platdata *plat = dev_get_platdata(dev);int gpio;gpio = readl(plat->base + GPIO_SWPORT_DDR(plat->bank));gpio = (gpio >> offset) & 1;if (gpio)if (gpio & BIT(offset)) ?
Will change this.
return GPIOF_OUTPUT;elsereturn GPIOF_INPUT;+}
static const struct dm_gpio_ops gpio_dwapb_ops = { .direction_input = dwapb_gpio_direction_input, .direction_output = dwapb_gpio_direction_output, .get_value = dwapb_gpio_get_value, .set_value = dwapb_gpio_set_value,
.get_function = dwapb_gpio_get_function,};
static int gpio_dwapb_probe(struct udevice *dev)
Regards Ley Foon