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gpio: qcom_pmic_gpio: add support for pm8550-gpio

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Add support for PM8550 GPIO controller variant, keep read-only
until the GPIO and Pinctrl setup is fixed for new PMICs.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
This commit is contained in:
Neil Armstrong
2024-04-23 13:29:02 +02:00
committed by Caleb Connolly
parent 372dd39347
commit b6f1d33532
1 changed files with 16 additions and 2 deletions
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drivers/gpio/qcom_pmic_gpio.c
+16 -2
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@@ -35,6 +35,8 @@
#define REG_SUBTYPE_GPIOC_8CH 0xd
#define REG_SUBTYPE_GPIO_LV 0x10
#define REG_SUBTYPE_GPIO_MV 0x11
#define REG_SUBTYPE_GPIO_LV_VIN2 0x12
#define REG_SUBTYPE_GPIO_MV_VIN3 0x13
#define REG_STATUS 0x08
#define REG_STATUS_VAL_MASK 0x1
@@ -322,9 +324,20 @@ static int qcom_gpio_probe(struct udevice *dev)
return log_msg_ret("bad type", -ENXIO);
val = pmic_reg_read(plat->pmic, plat->pid + REG_SUBTYPE);
if (val != REG_SUBTYPE_GPIO_4CH && val != REG_SUBTYPE_GPIOC_4CH &&
val != REG_SUBTYPE_GPIO_LV && val != REG_SUBTYPE_GPIO_MV)
switch (val) {
case REG_SUBTYPE_GPIO_4CH:
case REG_SUBTYPE_GPIOC_4CH:
plat->lv_mv_type = false;
break;
case REG_SUBTYPE_GPIO_LV:
case REG_SUBTYPE_GPIO_MV:
case REG_SUBTYPE_GPIO_LV_VIN2:
case REG_SUBTYPE_GPIO_MV_VIN3:
plat->lv_mv_type = true;
break;
default:
return log_msg_ret("bad subtype", -ENXIO);
}
plat->lv_mv_type = val == REG_SUBTYPE_GPIO_LV ||
val == REG_SUBTYPE_GPIO_MV;
@@ -351,6 +364,7 @@ static const struct udevice_id qcom_gpio_ids[] = {
{ .compatible = "qcom,pm8994-gpio" }, /* 22 GPIO's */
{ .compatible = "qcom,pm8998-gpio", .data = QCOM_PMIC_QUIRK_READONLY },
{ .compatible = "qcom,pms405-gpio" },
{ .compatible = "qcom,pm8550-gpio", .data = QCOM_PMIC_QUIRK_READONLY },
{ }
};