Hello Simon,
On 06/23/2015 11:38 PM, Simon Glass wrote:
The device tree provides information about which regulators should be on at boot, or always on. Use this to set them up automatically.
Signed-off-by: Simon Glass sjg@chromium.org
Changes in v3: None Changes in v2: None
drivers/power/regulator/regulator-uclass.c | 22 ++++++++++++++++++++++ include/power/regulator.h | 11 +++++++++++ 2 files changed, 33 insertions(+)
diff --git a/drivers/power/regulator/regulator-uclass.c b/drivers/power/regulator/regulator-uclass.c index 687d3b1..a2d0b9f 100644 --- a/drivers/power/regulator/regulator-uclass.c +++ b/drivers/power/regulator/regulator-uclass.c @@ -306,6 +306,28 @@ static int regulator_pre_probe(struct udevice *dev) return 0; }
+int regulators_enable_boot_on(bool verbose) +{
- struct udevice *dev;
- struct uclass *uc;
- int ret;
- ret = uclass_get(UCLASS_REGULATOR, &uc);
- if (ret)
return ret;- for (uclass_first_device(UCLASS_REGULATOR, &dev);
dev && !ret;uclass_next_device(&dev)) {ret = regulator_autoset(dev);if (ret == -EMEDIUMTYPE)continue;if (verbose)regulator_show(dev, ret);- }
- return ret;
+}
- UCLASS_DRIVER(regulator) = { .id = UCLASS_REGULATOR, .name = "regulator",
diff --git a/include/power/regulator.h b/include/power/regulator.h index 86e9c3b..0bdb496 100644 --- a/include/power/regulator.h +++ b/include/power/regulator.h @@ -316,6 +316,17 @@ int regulator_get_mode(struct udevice *dev); int regulator_set_mode(struct udevice *dev, int mode_id);
/**
- regulators_enable_boot_on() - enable regulators needed for boot
- This enables all regulators which are marked to be on at boot time. This
- only works for regulators which don't have a range for voltage/current,
- since in that case it is not possible to know which value to use.
- This effectively caslls regulator_autoset() for every regulator.
"calls"
- */
+int regulators_enable_boot_on(bool verbose);
+/**
- regulator_autoset: setup the the voltage/current on a regulator
- The setup depends on constraints found in device's uclass's platform data
Tested on: - Odroid U3 (odroid_defconfig) - Sandbox - ut pmic/regulator
Tested-by: Przemyslaw Marczak p.marczak@samsung.com Acked-by: Przemyslaw Marczak p.marczak@samsung.com
Best regards,