[U-Boot] [PATCH] dm: gpio: da8xx_gpio: Add support for GPIO_ACTIVE_LOW/HIGH
Adam Ford
aford173 at gmail.com
Fri Aug 17 04:21:57 UTC 2018
With DM and device tree support, let's use the GPIO_ACTIVE_HIGH
and GPIO_ACTIVE_LOW from the device tree as they are intended.
Signed-off-by: Adam Ford <aford173 at gmail.com>
diff --git a/drivers/gpio/da8xx_gpio.c b/drivers/gpio/da8xx_gpio.c
index 3e95f039f0..f80bc6baf6 100644
--- a/drivers/gpio/da8xx_gpio.c
+++ b/drivers/gpio/da8xx_gpio.c
@@ -493,12 +493,25 @@ static int davinci_gpio_get_function(struct udevice *dev, unsigned int offset)
return GPIOF_OUTPUT;
}
+static int davinci_gpio_xlate(struct udevice *dev, struct gpio_desc *desc,
+ struct ofnode_phandle_args *args)
+{
+ desc->offset = args->args[0];
+
+ if (args->args[1] & GPIO_ACTIVE_LOW)
+ desc->flags = GPIOD_ACTIVE_LOW;
+ else
+ desc->flags = 0;
+ return 0;
+}
+
static const struct dm_gpio_ops gpio_davinci_ops = {
.direction_input = davinci_gpio_direction_input,
.direction_output = davinci_gpio_direction_output,
.get_value = davinci_gpio_get_value,
.set_value = davinci_gpio_set_value,
.get_function = davinci_gpio_get_function,
+ .xlate = davinci_gpio_xlate,
};
static int davinci_gpio_probe(struct udevice *dev)
--
2.17.1
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