This extends the pfuze100 driver with pfuze3001 support. Latest datasheet: https://www.nxp.com/docs/en/data-sheet/PF3001.pdf Signed-off-by: Robin Gong <yibin.gong@xxxxxxx> Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx> --- drivers/regulator/Kconfig | 4 +- drivers/regulator/pfuze100-regulator.c | 78 +++++++++++++++++++++++++++++++--- include/linux/regulator/pfuze100.h | 11 +++++ 3 files changed, 84 insertions(+), 9 deletions(-) diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 5dbccf5..2964eaea 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -633,12 +633,12 @@ config REGULATOR_PCF50633 on PCF50633 config REGULATOR_PFUZE100 - tristate "Freescale PFUZE100/200/3000 regulator driver" + tristate "Freescale PFUZE100/200/3000/3001 regulator driver" depends on I2C select REGMAP_I2C help Say y here to support the regulators found on the Freescale - PFUZE100/200/3000 PMIC. + PFUZE100/200/3000/3001 PMIC. config REGULATOR_PV88060 tristate "Powerventure Semiconductor PV88060 regulator" diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c index 8d9dbcc..32f9af7 100644 --- a/drivers/regulator/pfuze100-regulator.c +++ b/drivers/regulator/pfuze100-regulator.c @@ -44,7 +44,7 @@ #define PFUZE100_VGEN5VOL 0x70 #define PFUZE100_VGEN6VOL 0x71 -enum chips { PFUZE100, PFUZE200, PFUZE3000 = 3 }; +enum chips { PFUZE100, PFUZE200, PFUZE3000 = 3, PFUZE3001 = 0x31, }; struct pfuze_regulator { struct regulator_desc desc; @@ -92,6 +92,7 @@ static const struct i2c_device_id pfuze_device_id[] = { {.name = "pfuze100", .driver_data = PFUZE100}, {.name = "pfuze200", .driver_data = PFUZE200}, {.name = "pfuze3000", .driver_data = PFUZE3000}, + {.name = "pfuze3001", .driver_data = PFUZE3001}, { } }; MODULE_DEVICE_TABLE(i2c, pfuze_device_id); @@ -100,6 +101,7 @@ static const struct of_device_id pfuze_dt_ids[] = { { .compatible = "fsl,pfuze100", .data = (void *)PFUZE100}, { .compatible = "fsl,pfuze200", .data = (void *)PFUZE200}, { .compatible = "fsl,pfuze3000", .data = (void *)PFUZE3000}, + { .compatible = "fsl,pfuze3001", .data = (void *)PFUZE3001}, { } }; MODULE_DEVICE_TABLE(of, pfuze_dt_ids); @@ -108,10 +110,28 @@ static int pfuze100_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) { struct pfuze_chip *pfuze100 = rdev_get_drvdata(rdev); int id = rdev_get_id(rdev); + bool reg_has_ramp_delay; unsigned int ramp_bits; int ret; - if (id < PFUZE100_SWBST) { + switch (pfuze100->chip_id) { + case PFUZE3001: + /* no dynamic voltage scaling for PF3001 */ + reg_has_ramp_delay = false; + break; + case PFUZE3000: + reg_has_ramp_delay = (id < PFUZE3000_SWBST); + break; + case PFUZE200: + reg_has_ramp_delay = (id < PFUZE200_SWBST); + break; + case PFUZE100: + default: + reg_has_ramp_delay = (id < PFUZE100_SWBST); + break; + } + + if (reg_has_ramp_delay) { ramp_delay = 12500 / ramp_delay; ramp_bits = (ramp_delay >> 1) - (ramp_delay >> 3); ret = regmap_update_bits(pfuze100->regmap, @@ -119,8 +139,9 @@ static int pfuze100_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) 0xc0, ramp_bits << 6); if (ret < 0) dev_err(pfuze100->dev, "ramp failed, err %d\n", ret); - } else + } else { ret = -EACCES; + } return ret; } @@ -361,6 +382,19 @@ static struct pfuze_regulator pfuze3000_regulators[] = { PFUZE100_VGEN_REG(PFUZE3000, VLDO4, PFUZE100_VGEN6VOL, 1800000, 3300000, 100000), }; +static struct pfuze_regulator pfuze3001_regulators[] = { + PFUZE100_SWB_REG(PFUZE3001, SW1, PFUZE100_SW1ABVOL, 0x1f, pfuze3000_sw1a), + PFUZE100_SWB_REG(PFUZE3001, SW2, PFUZE100_SW2VOL, 0x7, pfuze3000_sw2lo), + PFUZE3000_SW3_REG(PFUZE3001, SW3, PFUZE100_SW3AVOL, 900000, 1650000, 50000), + PFUZE100_SWB_REG(PFUZE3001, VSNVS, PFUZE100_VSNVSVOL, 0x7, pfuze100_vsnvs), + PFUZE100_VGEN_REG(PFUZE3001, VLDO1, PFUZE100_VGEN1VOL, 1800000, 3300000, 100000), + PFUZE100_VGEN_REG(PFUZE3001, VLDO2, PFUZE100_VGEN2VOL, 800000, 1550000, 50000), + PFUZE3000_VCC_REG(PFUZE3001, VCCSD, PFUZE100_VGEN3VOL, 2850000, 3300000, 150000), + PFUZE3000_VCC_REG(PFUZE3001, V33, PFUZE100_VGEN4VOL, 2850000, 3300000, 150000), + PFUZE100_VGEN_REG(PFUZE3001, VLDO3, PFUZE100_VGEN5VOL, 1800000, 3300000, 100000), + PFUZE100_VGEN_REG(PFUZE3001, VLDO4, PFUZE100_VGEN6VOL, 1800000, 3300000, 100000), +}; + #ifdef CONFIG_OF /* PFUZE100 */ static struct of_regulator_match pfuze100_matches[] = { @@ -418,6 +452,21 @@ static struct of_regulator_match pfuze3000_matches[] = { { .name = "vldo4", }, }; +/* PFUZE3001 */ +static struct of_regulator_match pfuze3001_matches[] = { + + { .name = "sw1", }, + { .name = "sw2", }, + { .name = "sw3", }, + { .name = "vsnvs", }, + { .name = "vldo1", }, + { .name = "vldo2", }, + { .name = "vccsd", }, + { .name = "v33", }, + { .name = "vldo3", }, + { .name = "vldo4", }, +}; + static struct of_regulator_match *pfuze_matches; static int pfuze_parse_regulators_dt(struct pfuze_chip *chip) @@ -437,6 +486,11 @@ static int pfuze_parse_regulators_dt(struct pfuze_chip *chip) } switch (chip->chip_id) { + case PFUZE3001: + pfuze_matches = pfuze3001_matches; + ret = of_regulator_match(dev, parent, pfuze3001_matches, + ARRAY_SIZE(pfuze3001_matches)); + break; case PFUZE3000: pfuze_matches = pfuze3000_matches; ret = of_regulator_match(dev, parent, pfuze3000_matches, @@ -508,7 +562,8 @@ static int pfuze_identify(struct pfuze_chip *pfuze_chip) */ dev_info(pfuze_chip->dev, "Assuming misprogrammed ID=0x8"); } else if ((value & 0x0f) != pfuze_chip->chip_id && - (value & 0xf0) >> 4 != pfuze_chip->chip_id) { + (value & 0xf0) >> 4 != pfuze_chip->chip_id && + (value != pfuze_chip->chip_id)) { /* device id NOT match with your setting */ dev_warn(pfuze_chip->dev, "Illegal ID: %x\n", value); return -ENODEV; @@ -588,6 +643,13 @@ static int pfuze100_regulator_probe(struct i2c_client *client, /* use the right regulators after identify the right device */ switch (pfuze_chip->chip_id) { + case PFUZE3001: + pfuze_chip->pfuze_regulators = pfuze3001_regulators; + regulator_num = ARRAY_SIZE(pfuze3001_regulators); + sw_check_start = PFUZE3001_SW2; + sw_check_end = PFUZE3001_SW2; + sw_hi = 1 << 3; + break; case PFUZE3000: pfuze_chip->pfuze_regulators = pfuze3000_regulators; regulator_num = ARRAY_SIZE(pfuze3000_regulators); @@ -611,7 +673,8 @@ static int pfuze100_regulator_probe(struct i2c_client *client, } dev_info(&client->dev, "pfuze%s found.\n", (pfuze_chip->chip_id == PFUZE100) ? "100" : - ((pfuze_chip->chip_id == PFUZE200) ? "200" : "3000")); + (((pfuze_chip->chip_id == PFUZE200) ? "200" : + ((pfuze_chip->chip_id == PFUZE3000) ? "3000" : "3001")))); memcpy(pfuze_chip->regulator_descs, pfuze_chip->pfuze_regulators, sizeof(pfuze_chip->regulator_descs)); @@ -636,7 +699,8 @@ static int pfuze100_regulator_probe(struct i2c_client *client, if (i >= sw_check_start && i <= sw_check_end) { regmap_read(pfuze_chip->regmap, desc->vsel_reg, &val); if (val & sw_hi) { - if (pfuze_chip->chip_id == PFUZE3000) { + if (pfuze_chip->chip_id == PFUZE3000 || + pfuze_chip->chip_id == PFUZE3001) { desc->volt_table = pfuze3000_sw2hi; desc->n_voltages = ARRAY_SIZE(pfuze3000_sw2hi); } else { @@ -675,5 +739,5 @@ static struct i2c_driver pfuze_driver = { module_i2c_driver(pfuze_driver); MODULE_AUTHOR("Robin Gong <b38343@xxxxxxxxxxxxx>"); -MODULE_DESCRIPTION("Regulator Driver for Freescale PFUZE100/200/3000 PMIC"); +MODULE_DESCRIPTION("Regulator Driver for Freescale PFUZE100/200/3000/3001 PMIC"); MODULE_LICENSE("GPL v2"); diff --git a/include/linux/regulator/pfuze100.h b/include/linux/regulator/pfuze100.h index e0ccf46..cb5aecd 100644 --- a/include/linux/regulator/pfuze100.h +++ b/include/linux/regulator/pfuze100.h @@ -64,6 +64,17 @@ #define PFUZE3000_VLDO3 11 #define PFUZE3000_VLDO4 12 +#define PFUZE3001_SW1 0 +#define PFUZE3001_SW2 1 +#define PFUZE3001_SW3 2 +#define PFUZE3001_VSNVS 3 +#define PFUZE3001_VLDO1 4 +#define PFUZE3001_VLDO2 5 +#define PFUZE3001_VCCSD 6 +#define PFUZE3001_V33 7 +#define PFUZE3001_VLDO3 8 +#define PFUZE3001_VLDO4 9 + struct regulator_init_data; struct pfuze_regulator_platform_data { -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
