Re: [PATCH RESEND v6 4/6] regulator: axp20x: add support for AXP22X regulators

From: Lee Jones
Date: Wed May 13 2015 - 11:30:56 EST

On Fri, 10 Apr 2015, Chen-Yu Tsai wrote:

> From: Boris BREZILLON <boris.brezillon@xxxxxxxxxxxxxxxxxx>
>
> Add AXP22X regulator definitions and variant id associations.
> This introduces a new "switch" type output for one of the regulators.
> It is a switchable secondary output of one regulator, with the same
> voltage level as the primary output.
>
> Signed-off-by: Boris BREZILLON <boris.brezillon@xxxxxxxxxxxxxxxxxx>
> [wens@xxxxxxxx: Moved variant choosing to multi family support patch]
> [wens@xxxxxxxx: Add dc-dc work frequency range]
> [wens@xxxxxxxx: Add "switch" type output regulator DC1SW]
> Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
> Reviewed-by: Mark Brown <broonie@xxxxxxxxxx>
> ---
>
> Hi Mark,
>
> This patch depends on the previous patch "regulator: axp20x: prepare
> support for multiple AXP chip families" and the mfd header from the
> first patch "mfd: axp20x: add AXP22x PMIC support".
>
> Could we merge both regulator patches through the mfd tree, with the
> other patches in the series? There are no other external dependencies.
>
> ChenYu
>
> ---
> drivers/regulator/axp20x-regulator.c | 96 ++++++++++++++++++++++++++++++++++++
> 1 file changed, 96 insertions(+)

Applied, thanks.

> diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
> index 50ae0b5f2c0c..646829132b59 100644
> --- a/drivers/regulator/axp20x-regulator.c
> +++ b/drivers/regulator/axp20x-regulator.c
> @@ -27,8 +27,12 @@
> #define AXP20X_IO_ENABLED 0x03
> #define AXP20X_IO_DISABLED 0x07
>
> +#define AXP22X_IO_ENABLED 0x04
> +#define AXP22X_IO_DISABLED 0x03
> +
> #define AXP20X_WORKMODE_DCDC2_MASK BIT(2)
> #define AXP20X_WORKMODE_DCDC3_MASK BIT(1)
> +#define AXP22X_WORKMODE_DCDCX_MASK(x) BIT(x)
>
> #define AXP20X_FREQ_DCDC_MASK 0x0f
>
> @@ -74,6 +78,26 @@
> .ops = &axp20x_ops, \
> }
>
> +#define AXP_DESC_SW(_family, _id, _match, _supply, _min, _max, _step, _vreg, \
> + _vmask, _ereg, _emask) \
> + [_family##_##_id] = { \
> + .name = #_id, \
> + .supply_name = (_supply), \
> + .of_match = of_match_ptr(_match), \
> + .regulators_node = of_match_ptr("regulators"), \
> + .type = REGULATOR_VOLTAGE, \
> + .id = _family##_##_id, \
> + .n_voltages = (((_max) - (_min)) / (_step) + 1), \
> + .owner = THIS_MODULE, \
> + .min_uV = (_min) * 1000, \
> + .uV_step = (_step) * 1000, \
> + .vsel_reg = (_vreg), \
> + .vsel_mask = (_vmask), \
> + .enable_reg = (_ereg), \
> + .enable_mask = (_emask), \
> + .ops = &axp20x_ops_sw, \
> + }
> +
> #define AXP_DESC_FIXED(_family, _id, _match, _supply, _volt) \
> [_family##_##_id] = { \
> .name = #_id, \
> @@ -135,6 +159,14 @@ static struct regulator_ops axp20x_ops = {
> .is_enabled = regulator_is_enabled_regmap,
> };
>
> +static struct regulator_ops axp20x_ops_sw = {
> + .get_voltage_sel = regulator_get_voltage_sel_regmap,
> + .list_voltage = regulator_list_voltage_linear,
> + .enable = regulator_enable_regmap,
> + .disable = regulator_disable_regmap,
> + .is_enabled = regulator_is_enabled_regmap,
> +};
> +
> static const struct regulator_desc axp20x_regulators[] = {
> AXP_DESC(AXP20X, DCDC2, "dcdc2", "vin2", 700, 2275, 25,
> AXP20X_DCDC2_V_OUT, 0x3f, AXP20X_PWR_OUT_CTRL, 0x10),
> @@ -152,6 +184,52 @@ static const struct regulator_desc axp20x_regulators[] = {
> AXP20X_IO_ENABLED, AXP20X_IO_DISABLED),
> };
>
> +static const struct regulator_desc axp22x_regulators[] = {
> + AXP_DESC(AXP22X, DCDC1, "dcdc1", "vin1", 1600, 3400, 100,
> + AXP22X_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(1)),
> + AXP_DESC(AXP22X, DCDC2, "dcdc2", "vin2", 600, 1540, 20,
> + AXP22X_DCDC2_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(2)),
> + AXP_DESC(AXP22X, DCDC3, "dcdc3", "vin3", 600, 1860, 20,
> + AXP22X_DCDC3_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(3)),
> + AXP_DESC(AXP22X, DCDC4, "dcdc4", "vin4", 600, 1540, 20,
> + AXP22X_DCDC4_V_OUT, 0x3f, AXP22X_PWR_OUT_CTRL1, BIT(3)),
> + AXP_DESC(AXP22X, DCDC5, "dcdc5", "vin5", 1000, 2550, 50,
> + AXP22X_DCDC5_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(4)),
> + /* secondary switchable output of DCDC1 */
> + AXP_DESC_SW(AXP22X, DC1SW, "dc1sw", "dcdc1", 1600, 3400, 100,
> + AXP22X_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(7)),
> + /* LDO regulator internally chained to DCDC5 */
> + AXP_DESC(AXP22X, DC5LDO, "dc5ldo", "dcdc5", 700, 1400, 100,
> + AXP22X_DC5LDO_V_OUT, 0x7, AXP22X_PWR_OUT_CTRL1, BIT(0)),
> + AXP_DESC(AXP22X, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
> + AXP22X_ALDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(6)),
> + AXP_DESC(AXP22X, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
> + AXP22X_ALDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(7)),
> + AXP_DESC(AXP22X, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
> + AXP22X_ALDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(7)),
> + AXP_DESC(AXP22X, DLDO1, "dldo1", "dldoin", 700, 3300, 100,
> + AXP22X_DLDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(3)),
> + AXP_DESC(AXP22X, DLDO2, "dldo2", "dldoin", 700, 3300, 100,
> + AXP22X_DLDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(4)),
> + AXP_DESC(AXP22X, DLDO3, "dldo3", "dldoin", 700, 3300, 100,
> + AXP22X_DLDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(5)),
> + AXP_DESC(AXP22X, DLDO4, "dldo4", "dldoin", 700, 3300, 100,
> + AXP22X_DLDO4_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(6)),
> + AXP_DESC(AXP22X, ELDO1, "eldo1", "eldoin", 700, 3300, 100,
> + AXP22X_ELDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(0)),
> + AXP_DESC(AXP22X, ELDO2, "eldo2", "eldoin", 700, 3300, 100,
> + AXP22X_ELDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(1)),
> + AXP_DESC(AXP22X, ELDO3, "eldo3", "eldoin", 700, 3300, 100,
> + AXP22X_ELDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(2)),
> + AXP_DESC_IO(AXP22X, LDO_IO0, "ldo_io0", "ips", 1800, 3300, 100,
> + AXP22X_LDO_IO0_V_OUT, 0x1f, AXP20X_GPIO0_CTRL, 0x07,
> + AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
> + AXP_DESC_IO(AXP22X, LDO_IO1, "ldo_io1", "ips", 1800, 3300, 100,
> + AXP22X_LDO_IO1_V_OUT, 0x1f, AXP20X_GPIO1_CTRL, 0x07,
> + AXP22X_IO_ENABLED, AXP22X_IO_DISABLED),
> + AXP_DESC_FIXED(AXP22X, RTC_LDO, "rtc_ldo", "ips", 3000),
> +};
> +
> static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq)
> {
> struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
> @@ -165,6 +243,12 @@ static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq)
> def = 1500;
> step = 75;
> break;
> + case AXP221_ID:
> + min = 1800;
> + max = 4050;
> + def = 3000;
> + step = 150;
> + break;
> default:
> dev_err(&pdev->dev,
> "Setting DCDC frequency for unsupported AXP variant\n");
> @@ -237,6 +321,14 @@ static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 work
> workmode <<= ffs(mask) - 1;
> break;
>
> + case AXP221_ID:
> + if (id < AXP22X_DCDC1 || id > AXP22X_DCDC5)
> + return -EINVAL;
> +
> + mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP22X_DCDC1);
> + workmode <<= id - AXP22X_DCDC1;
> + break;
> +
> default:
> /* should not happen */
> WARN_ON(1);
> @@ -265,6 +357,10 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
> regulators = axp20x_regulators;
> nregulators = AXP20X_REG_ID_MAX;
> break;
> + case AXP221_ID:
> + regulators = axp22x_regulators;
> + nregulators = AXP22X_REG_ID_MAX;
> + break;
> default:
> dev_err(&pdev->dev, "Unsupported AXP variant: %ld\n",
> axp20x->variant);

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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