Re: [PATCH v2 2/3] regulator: pca9450: add pca9451a support
From: Alexander Stein
Date: Mon Mar 11 2024 - 05:10:30 EST
Hi,
thanks for the update.
Am Montag, 11. März 2024, 09:47:56 CET schrieb Joy Zou:
> Adding support for pmic pca9451a.
>
> This patch support old and new pmic pca9451a. The new pmic trimed BUCK1.
> The default value of Toff_Deb is used to distinguish the old and new pmic.
This section doesn't apply anymore. Please remove it.
> Signed-off-by: Joy Zou <joy.zou@xxxxxxx>
> ---
> Changes in v2:
> 1. remove the old part support because the old part only is used for sample
> and is diffcult to distinguish old and new part. so drop old part.
> 2. remove the unnecessary marco definition in the file pca9450.h.
> ---
> drivers/regulator/pca9450-regulator.c | 197 +++++++++++++++++++++++++-
> include/linux/regulator/pca9450.h | 1 +
> 2 files changed, 195 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/regulator/pca9450-regulator.c b/drivers/regulator/pca9450-regulator.c
> index 2ab365d2749f..50c324e275b5 100644
> --- a/drivers/regulator/pca9450-regulator.c
> +++ b/drivers/regulator/pca9450-regulator.c
> @@ -103,7 +103,15 @@ static const struct regulator_ops pca9450_ldo_regulator_ops = {
> * 0.60 to 2.1875V (12.5mV step)
> */
> static const struct linear_range pca9450_dvs_buck_volts[] = {
> - REGULATOR_LINEAR_RANGE(600000, 0x00, 0x7F, 12500),
> + REGULATOR_LINEAR_RANGE(600000, 0x00, 0x7F, 12500),
> +};
That's an unrelated change.
> +/*
> + * BUCK1/3
> + * 0.65 to 2.2375V (12.5mV step)
> + */
> +static const struct linear_range pca9451a_dvs_buck_volts[] = {
> + REGULATOR_LINEAR_RANGE(650000, 0x00, 0x7F, 12500),
> };
>
> /*
> @@ -662,6 +670,178 @@ static const struct pca9450_regulator_desc pca9450bc_regulators[] = {
> },
> };
>
> +static const struct pca9450_regulator_desc pca9451a_regulators[] = {
> + {
> + .desc = {
> + .name = "buck1",
> + .of_match = of_match_ptr("BUCK1"),
> + .regulators_node = of_match_ptr("regulators"),
> + .id = PCA9450_BUCK1,
> + .ops = &pca9450_dvs_buck_regulator_ops,
> + .type = REGULATOR_VOLTAGE,
> + .n_voltages = PCA9450_BUCK1_VOLTAGE_NUM,
> + .linear_ranges = pca9451a_dvs_buck_volts,
> + .n_linear_ranges = ARRAY_SIZE(pca9451a_dvs_buck_volts),
> + .vsel_reg = PCA9450_REG_BUCK1OUT_DVS0,
> + .vsel_mask = BUCK1OUT_DVS0_MASK,
> + .enable_reg = PCA9450_REG_BUCK1CTRL,
> + .enable_mask = BUCK1_ENMODE_MASK,
> + .enable_val = BUCK_ENMODE_ONREQ,
> + .ramp_mask = BUCK1_RAMP_MASK,
> + .ramp_delay_table = pca9450_dvs_buck_ramp_table,
> + .n_ramp_values = ARRAY_SIZE(pca9450_dvs_buck_ramp_table),
> + .owner = THIS_MODULE,
> + .of_parse_cb = pca9450_set_dvs_levels,
> + },
> + .dvs = {
> + .run_reg = PCA9450_REG_BUCK1OUT_DVS0,
> + .run_mask = BUCK1OUT_DVS0_MASK,
> + .standby_reg = PCA9450_REG_BUCK1OUT_DVS1,
> + .standby_mask = BUCK1OUT_DVS1_MASK,
> + },
> + },
> + {
> + .desc = {
> + .name = "buck2",
> + .of_match = of_match_ptr("BUCK2"),
> + .regulators_node = of_match_ptr("regulators"),
> + .id = PCA9450_BUCK2,
> + .ops = &pca9450_dvs_buck_regulator_ops,
> + .type = REGULATOR_VOLTAGE,
> + .n_voltages = PCA9450_BUCK2_VOLTAGE_NUM,
> + .linear_ranges = pca9450_dvs_buck_volts,
> + .n_linear_ranges = ARRAY_SIZE(pca9450_dvs_buck_volts),
> + .vsel_reg = PCA9450_REG_BUCK2OUT_DVS0,
> + .vsel_mask = BUCK2OUT_DVS0_MASK,
> + .enable_reg = PCA9450_REG_BUCK2CTRL,
> + .enable_mask = BUCK2_ENMODE_MASK,
> + .enable_val = BUCK_ENMODE_ONREQ_STBYREQ,
> + .ramp_mask = BUCK2_RAMP_MASK,
> + .ramp_delay_table = pca9450_dvs_buck_ramp_table,
> + .n_ramp_values = ARRAY_SIZE(pca9450_dvs_buck_ramp_table),
> + .owner = THIS_MODULE,
> + .of_parse_cb = pca9450_set_dvs_levels,
> + },
> + .dvs = {
> + .run_reg = PCA9450_REG_BUCK2OUT_DVS0,
> + .run_mask = BUCK2OUT_DVS0_MASK,
> + .standby_reg = PCA9450_REG_BUCK2OUT_DVS1,
> + .standby_mask = BUCK2OUT_DVS1_MASK,
> + },
> + },
> + {
> + .desc = {
> + .name = "buck4",
> + .of_match = of_match_ptr("BUCK4"),
> + .regulators_node = of_match_ptr("regulators"),
> + .id = PCA9450_BUCK4,
> + .ops = &pca9450_buck_regulator_ops,
> + .type = REGULATOR_VOLTAGE,
> + .n_voltages = PCA9450_BUCK4_VOLTAGE_NUM,
> + .linear_ranges = pca9450_buck_volts,
> + .n_linear_ranges = ARRAY_SIZE(pca9450_buck_volts),
> + .vsel_reg = PCA9450_REG_BUCK4OUT,
> + .vsel_mask = BUCK4OUT_MASK,
> + .enable_reg = PCA9450_REG_BUCK4CTRL,
> + .enable_mask = BUCK4_ENMODE_MASK,
> + .enable_val = BUCK_ENMODE_ONREQ,
> + .owner = THIS_MODULE,
> + },
> + },
> + {
> + .desc = {
> + .name = "buck5",
> + .of_match = of_match_ptr("BUCK5"),
> + .regulators_node = of_match_ptr("regulators"),
> + .id = PCA9450_BUCK5,
> + .ops = &pca9450_buck_regulator_ops,
> + .type = REGULATOR_VOLTAGE,
> + .n_voltages = PCA9450_BUCK5_VOLTAGE_NUM,
> + .linear_ranges = pca9450_buck_volts,
> + .n_linear_ranges = ARRAY_SIZE(pca9450_buck_volts),
> + .vsel_reg = PCA9450_REG_BUCK5OUT,
> + .vsel_mask = BUCK5OUT_MASK,
> + .enable_reg = PCA9450_REG_BUCK5CTRL,
> + .enable_mask = BUCK5_ENMODE_MASK,
> + .enable_val = BUCK_ENMODE_ONREQ,
> + .owner = THIS_MODULE,
> + },
> + },
> + {
> + .desc = {
> + .name = "buck6",
> + .of_match = of_match_ptr("BUCK6"),
> + .regulators_node = of_match_ptr("regulators"),
> + .id = PCA9450_BUCK6,
> + .ops = &pca9450_buck_regulator_ops,
> + .type = REGULATOR_VOLTAGE,
> + .n_voltages = PCA9450_BUCK6_VOLTAGE_NUM,
> + .linear_ranges = pca9450_buck_volts,
> + .n_linear_ranges = ARRAY_SIZE(pca9450_buck_volts),
> + .vsel_reg = PCA9450_REG_BUCK6OUT,
> + .vsel_mask = BUCK6OUT_MASK,
> + .enable_reg = PCA9450_REG_BUCK6CTRL,
> + .enable_mask = BUCK6_ENMODE_MASK,
> + .enable_val = BUCK_ENMODE_ONREQ,
> + .owner = THIS_MODULE,
> + },
> + },
> + {
> + .desc = {
> + .name = "ldo1",
> + .of_match = of_match_ptr("LDO1"),
> + .regulators_node = of_match_ptr("regulators"),
> + .id = PCA9450_LDO1,
> + .ops = &pca9450_ldo_regulator_ops,
> + .type = REGULATOR_VOLTAGE,
> + .n_voltages = PCA9450_LDO1_VOLTAGE_NUM,
> + .linear_ranges = pca9450_ldo1_volts,
> + .n_linear_ranges = ARRAY_SIZE(pca9450_ldo1_volts),
> + .vsel_reg = PCA9450_REG_LDO1CTRL,
> + .vsel_mask = LDO1OUT_MASK,
> + .enable_reg = PCA9450_REG_LDO1CTRL,
> + .enable_mask = LDO1_EN_MASK,
> + .owner = THIS_MODULE,
> + },
> + },
> + {
> + .desc = {
> + .name = "ldo4",
> + .of_match = of_match_ptr("LDO4"),
> + .regulators_node = of_match_ptr("regulators"),
> + .id = PCA9450_LDO4,
> + .ops = &pca9450_ldo_regulator_ops,
> + .type = REGULATOR_VOLTAGE,
> + .n_voltages = PCA9450_LDO4_VOLTAGE_NUM,
> + .linear_ranges = pca9450_ldo34_volts,
> + .n_linear_ranges = ARRAY_SIZE(pca9450_ldo34_volts),
> + .vsel_reg = PCA9450_REG_LDO4CTRL,
> + .vsel_mask = LDO4OUT_MASK,
> + .enable_reg = PCA9450_REG_LDO4CTRL,
> + .enable_mask = LDO4_EN_MASK,
> + .owner = THIS_MODULE,
> + },
> + },
> + {
> + .desc = {
> + .name = "ldo5",
> + .of_match = of_match_ptr("LDO5"),
> + .regulators_node = of_match_ptr("regulators"),
> + .id = PCA9450_LDO5,
> + .ops = &pca9450_ldo_regulator_ops,
> + .type = REGULATOR_VOLTAGE,
> + .n_voltages = PCA9450_LDO5_VOLTAGE_NUM,
> + .linear_ranges = pca9450_ldo5_volts,
> + .n_linear_ranges = ARRAY_SIZE(pca9450_ldo5_volts),
> + .vsel_reg = PCA9450_REG_LDO5CTRL_H,
> + .vsel_mask = LDO5HOUT_MASK,
> + .enable_reg = PCA9450_REG_LDO5CTRL_H,
> + .enable_mask = LDO5H_EN_MASK,
> + .owner = THIS_MODULE,
> + },
> + },
> +};
> +
> static irqreturn_t pca9450_irq_handler(int irq, void *data)
> {
> struct pca9450 *pca9450 = data;
> @@ -729,6 +909,10 @@ static int pca9450_i2c_probe(struct i2c_client *i2c)
> regulator_desc = pca9450bc_regulators;
> pca9450->rcnt = ARRAY_SIZE(pca9450bc_regulators);
> break;
> + case PCA9450_TYPE_PCA9451A:
> + regulator_desc = pca9451a_regulators;
> + pca9450->rcnt = ARRAY_SIZE(pca9451a_regulators);
> + break;
> default:
> dev_err(&i2c->dev, "Unknown device type");
> return -EINVAL;
> @@ -755,7 +939,8 @@ static int pca9450_i2c_probe(struct i2c_client *i2c)
>
> /* Check your board and dts for match the right pmic */
> if (((device_id >> 4) != 0x1 && type == PCA9450_TYPE_PCA9450A) ||
> - ((device_id >> 4) != 0x3 && type == PCA9450_TYPE_PCA9450BC)) {
> + ((device_id >> 4) != 0x3 && type == PCA9450_TYPE_PCA9450BC) ||
> + ((device_id >> 4) != 0x9 && type == PCA9450_TYPE_PCA9451A)) {
> dev_err(&i2c->dev, "Device id(%x) mismatched\n",
> device_id >> 4);
> return -EINVAL;
> @@ -767,6 +952,7 @@ static int pca9450_i2c_probe(struct i2c_client *i2c)
> const struct pca9450_regulator_desc *r;
>
> r = ®ulator_desc[i];
> +
Please don't add this empty line. Seems like a leftover from v1.
Thanks and best regards,
Alexander
> desc = &r->desc;
>
> config.regmap = pca9450->regmap;
> @@ -846,7 +1032,8 @@ static int pca9450_i2c_probe(struct i2c_client *i2c)
> }
>
> dev_info(&i2c->dev, "%s probed.\n",
> - type == PCA9450_TYPE_PCA9450A ? "pca9450a" : "pca9450bc");
> + type == PCA9450_TYPE_PCA9450A ? "pca9450a" :
> + (type == PCA9450_TYPE_PCA9451A ? "pca9451a" : "pca9450bc"));
>
> return 0;
> }
> @@ -864,6 +1051,10 @@ static const struct of_device_id pca9450_of_match[] = {
> .compatible = "nxp,pca9450c",
> .data = (void *)PCA9450_TYPE_PCA9450BC,
> },
> + {
> + .compatible = "nxp,pca9451a",
> + .data = (void *)PCA9450_TYPE_PCA9451A,
> + },
> { }
> };
> MODULE_DEVICE_TABLE(of, pca9450_of_match);
> diff --git a/include/linux/regulator/pca9450.h b/include/linux/regulator/pca9450.h
> index 505c908dbb81..243633c8dceb 100644
> --- a/include/linux/regulator/pca9450.h
> +++ b/include/linux/regulator/pca9450.h
> @@ -9,6 +9,7 @@
> enum pca9450_chip_type {
> PCA9450_TYPE_PCA9450A = 0,
> PCA9450_TYPE_PCA9450BC,
> + PCA9450_TYPE_PCA9451A,
> PCA9450_TYPE_AMOUNT,
> };
>
>
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