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Groups > linux.kernel > #1236318
| From | Sascha Hauer <s.hauer@pengutronix.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 5/6] regulator: i.MX anatop: Allow supply regulator |
| Date | 2015-09-30 16:00 +0200 |
| Message-ID | <qeq5l-6MN-37@gated-at.bofh.it> (permalink) |
| References | <qeq5k-6MN-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The anatop regulators are SoC internal LDO regulators usually supplied by an external PMIC. This patch adds support for specifying the supply from the device tree using the vin-supply property. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> --- Documentation/devicetree/bindings/regulator/anatop-regulator.txt | 1 + drivers/regulator/anatop-regulator.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/anatop-regulator.txt b/Documentation/devicetree/bindings/regulator/anatop-regulator.txt index 758eae2..37c4ea0 100644 --- a/Documentation/devicetree/bindings/regulator/anatop-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/anatop-regulator.txt @@ -13,6 +13,7 @@ Optional properties: - anatop-delay-reg-offset: Anatop MFD step time register offset - anatop-delay-bit-shift: Bit shift for the step time register - anatop-delay-bit-width: Number of bits used in the step time register +- vin-supply: The supply for this regulator Any property defined as part of the core regulator binding, defined in regulator.txt, can also be used. diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index 52ea605..ba78870 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c @@ -30,6 +30,7 @@ #include <linux/regmap.h> #include <linux/regulator/driver.h> #include <linux/regulator/of_regulator.h> +#include <linux/regulator/machine.h> #define LDO_RAMP_UP_UNIT_IN_CYCLES 64 /* 64 cycles per step */ #define LDO_RAMP_UP_FREQ_IN_MHZ 24 /* cycle based on 24M OSC */ @@ -199,6 +200,7 @@ static int anatop_regulator_probe(struct platform_device *pdev) rdesc->owner = THIS_MODULE; initdata = of_get_regulator_init_data(dev, np, rdesc); + initdata->supply_regulator = "vin"; sreg->initdata = initdata; anatop_np = of_get_parent(np); @@ -262,6 +264,7 @@ static int anatop_regulator_probe(struct platform_device *pdev) rdesc->vsel_reg = sreg->control_reg; rdesc->vsel_mask = ((1 << sreg->vol_bit_width) - 1) << sreg->vol_bit_shift; + rdesc->min_dropout_uv = 125000; config.dev = &pdev->dev; config.init_data = initdata; -- 2.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH 5/6] regulator: i.MX anatop: Allow supply regulator Sascha Hauer <s.hauer@pengutronix.de> - 2015-09-30 16:00 +0200
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