diff options
author | Caleb Connolly | 2024-02-26 17:26:13 +0000 |
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committer | Caleb Connolly | 2024-03-01 14:44:36 +0000 |
commit | a2ce3aac46121e7ffa244540b62b439ddeed7a9c (patch) | |
tree | b70678008d4a1a48ac056c6e3dfa1f2a8c031152 /drivers | |
parent | 92781cff6e7115b5a8957e6a9ded6cd7516d4fc7 (diff) |
gpio: qcom_pmic: 1-based GPIOs
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>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpio/qcom_pmic_gpio.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpio/qcom_pmic_gpio.c b/drivers/gpio/qcom_pmic_gpio.c index 6167c841167..2a4fef8d28c 100644 --- a/drivers/gpio/qcom_pmic_gpio.c +++ b/drivers/gpio/qcom_pmic_gpio.c @@ -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) |