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power: qcom_vbus_regulator: add and fix support for pmic variants

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Fix and add support for different pmic variants pm8x50b to handle
the vbus regulator.

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Link: https://lore.kernel.org/r/20250412174157.104419-1-rui.silva@linaro.org
Signed-off-by: Casey Connolly <casey.connolly@linaro.org>
This commit is contained in:
Rui Miguel Silva
2025-06-02 18:20:00 +02:00
committed by Casey Connolly
parent 792ccccb46
commit eb2c63ddcc
1 changed files with 30 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/power/regulator/qcom_usb_vbus_regulator.c
+30 -7
View File
@@ -15,14 +15,33 @@
#include <power/pmic.h>
#include <power/regulator.h>
#define CMD_OTG 0x50
enum pm8x50b_vbus {
PM8150B,
PM8550B,
};
#define OTG_EN BIT(0)
// The 0 bit in this register's bit field is undocumented
#define OTG_CFG 0x56
#define OTG_EN_SRC_CFG BIT(1)
struct qcom_otg_regs {
u32 otg_cmd;
u32 otg_cfg;
};
struct qcom_usb_vbus_priv {
phys_addr_t base;
struct qcom_otg_regs *regs;
};
static const struct qcom_otg_regs qcom_otg[] = {
[PM8150B] = {
.otg_cmd = 0x40,
.otg_cfg = 0x53,
},
[PM8550B] = {
.otg_cmd = 0x50,
.otg_cfg = 0x56,
},
};
static int qcom_usb_vbus_regulator_of_to_plat(struct udevice *dev)
@@ -38,8 +57,9 @@ static int qcom_usb_vbus_regulator_of_to_plat(struct udevice *dev)
static int qcom_usb_vbus_regulator_get_enable(struct udevice *dev)
{
const struct qcom_otg_regs *regs = &qcom_otg[dev_get_driver_data(dev)];
struct qcom_usb_vbus_priv *priv = dev_get_priv(dev);
int otg_en_reg = priv->base + CMD_OTG;
int otg_en_reg = priv->base + regs->otg_cmd;
int ret;
ret = pmic_reg_read(dev->parent, otg_en_reg);
@@ -53,8 +73,9 @@ static int qcom_usb_vbus_regulator_get_enable(struct udevice *dev)
static int qcom_usb_vbus_regulator_set_enable(struct udevice *dev, bool enable)
{
const struct qcom_otg_regs *regs = &qcom_otg[dev_get_driver_data(dev)];
struct qcom_usb_vbus_priv *priv = dev_get_priv(dev);
int otg_en_reg = priv->base + CMD_OTG;
int otg_en_reg = priv->base + regs->otg_cmd;
int ret;
if (enable) {
@@ -76,8 +97,9 @@ static int qcom_usb_vbus_regulator_set_enable(struct udevice *dev, bool enable)
static int qcom_usb_vbus_regulator_probe(struct udevice *dev)
{
const struct qcom_otg_regs *regs = &qcom_otg[dev_get_driver_data(dev)];
struct qcom_usb_vbus_priv *priv = dev_get_priv(dev);
int otg_cfg_reg = priv->base + OTG_CFG;
int otg_cfg_reg = priv->base + regs->otg_cfg;
int ret;
/* Disable HW logic for VBUS enable */
@@ -96,7 +118,8 @@ static const struct dm_regulator_ops qcom_usb_vbus_regulator_ops = {
};
static const struct udevice_id qcom_usb_vbus_regulator_ids[] = {
{ .compatible = "qcom,pm8150b-vbus-reg"},
{ .compatible = "qcom,pm8150b-vbus-reg", .data = PM8150B },
{ .compatible = "qcom,pm8550b-vbus-reg", .data = PM8550B },
{ },
};