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gpio: dwapb_gpio: Enable get_function support
Enabled get_function support for dwapb where the function will return the state of GPIO port. Signed-off-by: Chin Liang See <chin.liang.see@intel.com> Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
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1 changed files with 14 additions and 0 deletions
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@ -78,11 +78,25 @@ static int dwapb_gpio_set_value(struct udevice *dev, unsigned pin, int val)
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return 0;
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return 0;
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}
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}
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static int dwapb_gpio_get_function(struct udevice *dev, unsigned offset)
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{
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struct gpio_dwapb_platdata *plat = dev_get_platdata(dev);
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u32 gpio;
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gpio = readl(plat->base + GPIO_SWPORT_DDR(plat->bank));
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if (gpio & BIT(offset))
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return GPIOF_OUTPUT;
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else
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return GPIOF_INPUT;
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}
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static const struct dm_gpio_ops gpio_dwapb_ops = {
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static const struct dm_gpio_ops gpio_dwapb_ops = {
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.direction_input = dwapb_gpio_direction_input,
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.direction_input = dwapb_gpio_direction_input,
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.direction_output = dwapb_gpio_direction_output,
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.direction_output = dwapb_gpio_direction_output,
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.get_value = dwapb_gpio_get_value,
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.get_value = dwapb_gpio_get_value,
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.set_value = dwapb_gpio_set_value,
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.set_value = dwapb_gpio_set_value,
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.get_function = dwapb_gpio_get_function,
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};
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};
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static int gpio_dwapb_probe(struct udevice *dev)
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static int gpio_dwapb_probe(struct udevice *dev)
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