This makes gpioinfo on board that incorporate it more useful.
Signed-off-by: Ahmad Fatoum <ahmad@xxxxxx>
---
drivers/gpio/gpio-pl061.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c
index b9a8846dedaa..8dd9ca3bd5cd 100644
--- a/drivers/gpio/gpio-pl061.c
+++ b/drivers/gpio/gpio-pl061.c
@@ -84,7 +84,18 @@ static void pl061_set_value(struct gpio_chip *gc, unsigned offset, int value)
writeb(!!value << offset, chip->base + (1 << (offset + 2)));
}
+static int pl061_get_direction(struct gpio_chip *gc, unsigned offset)
+{
+ struct pl061_gpio *chip = container_of(gc, struct pl061_gpio, gc);
+
+ if (readb(chip->base + GPIODIR) & (1 << offset))
+ return GPIOF_DIR_OUT;
+
+ return GPIOF_DIR_IN;
+}
+
static struct gpio_ops pl061_gpio_ops = {
+ .get_direction = pl061_get_direction,
.direction_input = pl061_direction_input,
.direction_output = pl061_direction_output,
.get = pl061_get_value,
--
2.30.0
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