From 9440b3d3d0bec6a7aa40307aff0699ec48e74a71 Mon Sep 17 00:00:00 2001
From: Adam Ford <aford173@gmail.com>
Date: Thu, 16 Aug 2018 23:21:57 -0500
Subject: [PATCH] dm: gpio: da8xx_gpio: Add support for GPIO_ACTIVE_LOW/HIGH
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>
---
drivers/gpio/da8xx_gpio.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/gpio/da8xx_gpio.c b/drivers/gpio/da8xx_gpio.c
index 3e95f039f0..b0d49cb46f 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)
--
2.39.5