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gpio: sandbox: Add GPIOD_IS_AF for gpio configured in alternate function

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This allows to test if a pin's label if displayed using gpio_get_status()
when this pin is configured in alternate function.

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
This commit is contained in:
Patrice Chotard
2022-08-30 14:09:14 +02:00
committed by Tom Rini
parent 2c38f7c318
commit f6f681642f
4 changed files with 39 additions and 0 deletions
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5
drivers/gpio/sandbox.c
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@@ -196,6 +196,8 @@ static int sb_gpio_get_function(struct udevice *dev, unsigned offset)
return GPIOF_OUTPUT;
if (get_gpio_flag(dev, offset, GPIOD_IS_IN))
return GPIOF_INPUT;
if (get_gpio_flag(dev, offset, GPIOD_IS_AF))
return GPIOF_FUNC;
return GPIOF_INPUT; /*GPIO is not configurated */
}
@@ -219,6 +221,9 @@ static int sb_gpio_xlate(struct udevice *dev, struct gpio_desc *desc,
if (args->args[1] & GPIO_OUT_ACTIVE)
desc->flags |= GPIOD_IS_OUT_ACTIVE;
if (args->args[1] & GPIO_AF)
desc->flags |= GPIOD_IS_AF;
return 0;
}