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gpio: qcom_pmic: 1-based GPIOs

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Qualcomm PMICs number their GPIOs starting from 1, implement a custom
.xlate method to handle this.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Tested-by: Sumit Garg <sumit.garg@linaro.org> #qcs404
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
This commit is contained in:
Caleb Connolly
2024-02-26 17:26:13 +00:00
parent 92781cff6e
commit a2ce3aac46
1 changed files with 22 additions and 0 deletions
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22
drivers/gpio/qcom_pmic_gpio.c
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@@ -209,12 +209,34 @@ static int qcom_gpio_set_value(struct udevice *dev, unsigned offset,
REG_CTL_OUTPUT_MASK, !!value);
}
static int qcom_gpio_xlate(struct udevice *dev, struct gpio_desc *desc,
struct ofnode_phandle_args *args)
{
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
if (args->args_count < 1)
return -EINVAL;
/* GPIOs in DT are 1-based */
desc->offset = args->args[0] - 1;
if (desc->offset >= uc_priv->gpio_count)
return -EINVAL;
if (args->args_count < 2)
return 0;
desc->flags = gpio_flags_xlate(args->args[1]);
return 0;
}
static const struct dm_gpio_ops qcom_gpio_ops = {
.direction_input = qcom_gpio_direction_input,
.direction_output = qcom_gpio_direction_output,
.get_value = qcom_gpio_get_value,
.set_value = qcom_gpio_set_value,
.get_function = qcom_gpio_get_function,
.xlate = qcom_gpio_xlate,
};
static int qcom_gpio_probe(struct udevice *dev)