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dm: gpio: da8xx_gpio: Add support for GPIO_ACTIVE_LOW/HIGH

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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@gmail.com>
This commit is contained in:
Adam Ford 2018-08-16 23:21:57 -05:00 committed by Tom Rini
parent 1eddf54931
commit 9440b3d3d0
1 changed files with 13 additions and 0 deletions
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13
drivers/gpio/da8xx_gpio.c
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@ -493,12 +493,25 @@ static int davinci_gpio_get_function(struct udevice *dev, unsigned int offset)
return GPIOF_OUTPUT; 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 = { static const struct dm_gpio_ops gpio_davinci_ops = {
.direction_input = davinci_gpio_direction_input, .direction_input = davinci_gpio_direction_input,
.direction_output = davinci_gpio_direction_output, .direction_output = davinci_gpio_direction_output,
.get_value = davinci_gpio_get_value, .get_value = davinci_gpio_get_value,
.set_value = davinci_gpio_set_value, .set_value = davinci_gpio_set_value,
.get_function = davinci_gpio_get_function, .get_function = davinci_gpio_get_function,
.xlate = davinci_gpio_xlate,
}; };
static int davinci_gpio_probe(struct udevice *dev) static int davinci_gpio_probe(struct udevice *dev)