diff options
| author | ChiYuan Huang <cy_huang@richtek.com> | 2026-06-26 11:38:53 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-06-30 12:41:52 +0100 |
| commit | 2f84cec84ffa1987a4dee80283f926774030e879 (patch) | |
| tree | e89dd573ebb8f364c4e7b4876534574ae74998ea | |
| parent | 9f6e4b8befc44271c454657276f38d8c6c8b5a18 (diff) | |
regualtor: rtq2208: Initiate the default MTP_SEL state by hardware register
Read the initial MTP_SEL state by hardware register to prevent the wrong
specified property value from the conflict of hardware pin assignment.
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Link: https://patch.msgid.link/557e872a87c603a26cf91f0d4448e527afcbbae8.1782444299.git.cy_huang@richtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | drivers/regulator/rtq2208-regulator.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/regulator/rtq2208-regulator.c b/drivers/regulator/rtq2208-regulator.c index f669a562f036..7fe082def494 100644 --- a/drivers/regulator/rtq2208-regulator.c +++ b/drivers/regulator/rtq2208-regulator.c @@ -12,6 +12,7 @@ #include <linux/mod_devicetable.h> /* Register */ +#define RTQ2208_REG_FSOUTB_CNTL 0x11 #define RTQ2208_REG_GLOBAL_INT1 0x12 #define RTQ2208_REG_FLT_RECORDBUCK_CB 0x18 #define RTQ2208_REG_GLOBAL_INT1_MASK 0x1D @@ -34,6 +35,7 @@ #define RTQ2208_REG_HIDDEN1 0xFF /* Mask */ +#define RTQ2208_MTP_SEL_RO_MASK BIT(7) #define RTQ2208_BUCK_NR_MTP_SEL_MASK GENMASK(7, 0) #define RTQ2208_BUCK_EN_NR_MTP_SEL0_MASK BIT(0) #define RTQ2208_BUCK_EN_NR_MTP_SEL1_MASK BIT(1) @@ -465,10 +467,13 @@ static int rtq2208_parse_regulator_dt_data(int n_regulator, const unsigned int * struct rtq2208_regulator_desc *rdesc[RTQ2208_LDO_MAX], struct device *dev, unsigned int ldo1_fixed, unsigned int ldo2_fixed) { + struct regmap *regmap = dev_get_regmap(dev, NULL); int mtp_sel, i, idx; /* get mtp_sel0 or mtp_sel1 */ - mtp_sel = device_property_read_bool(dev, "richtek,mtp-sel-high"); + mtp_sel = regmap_test_bits(regmap, RTQ2208_REG_FSOUTB_CNTL, RTQ2208_MTP_SEL_RO_MASK); + if (mtp_sel < 0) + return dev_err_probe(dev, mtp_sel, "Failed to init mtp_sel state\n"); for (i = 0; i < n_regulator; i++) { idx = regulator_idx_table[i]; |