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Date: Mon, 05 Oct 2015 16:11:21 +0100
From: Mark Brown <broonie@...nel.org>
To: Chen-Yu Tsai <wens@...e.org>, Mark Brown <broonie@...nel.org>
Cc: linux-kernel@...r.kernel.org
Subject: Applied "regulator: axp20x: set supply names for AXP22X DC1SW/DC5LDO internally" to the regulator tree
The patch
regulator: axp20x: set supply names for AXP22X DC1SW/DC5LDO internally
has been applied to the regulator tree at
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git
All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.
You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.
If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.
Please add any relevant lists and maintainers to the CCs when replying
to this mail.
Thanks,
Mark
>From 7118f19c4c7cc95ad1513729b83f9db789970152 Mon Sep 17 00:00:00 2001
From: Chen-Yu Tsai <wens@...e.org>
Date: Wed, 30 Sep 2015 14:39:46 +0800
Subject: [PATCH] regulator: axp20x: set supply names for AXP22X DC1SW/DC5LDO
internally
The DC1SW and DC5LDO regulators in the AXP22X are internally chained
to DCDC1 and DCDC5, hence the names. The original bindings used the
parent regulator names for the supply regulator property.
Since they are internally connected, the relationship should not be
represented in the device tree, but handled internally by the driver.
This patch has the driver remember the regulator names for the parent
DCDC1/DCDC5, and use them as supply names for DC1SW/DC5LDO.
Signed-off-by: Chen-Yu Tsai <wens@...e.org>
Signed-off-by: Mark Brown <broonie@...nel.org>
---
drivers/regulator/axp20x-regulator.c | 54 +++++++++++++++++++++++++++++++++---
1 file changed, 50 insertions(+), 4 deletions(-)
diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
index 01bf347..56a0805 100644
--- a/drivers/regulator/axp20x-regulator.c
+++ b/drivers/regulator/axp20x-regulator.c
@@ -196,10 +196,10 @@ static const struct regulator_desc axp22x_regulators[] = {
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,
+ AXP_DESC_SW(AXP22X, DC1SW, "dc1sw", NULL, 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,
+ AXP_DESC(AXP22X, DC5LDO, "dc5ldo", NULL, 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)),
@@ -350,6 +350,8 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
};
int ret, i, nregulators;
u32 workmode;
+ const char *axp22x_dc1_name = axp22x_regulators[AXP22X_DCDC1].name;
+ const char *axp22x_dc5_name = axp22x_regulators[AXP22X_DCDC5].name;
switch (axp20x->variant) {
case AXP202_ID:
@@ -371,8 +373,37 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
axp20x_regulator_parse_dt(pdev);
for (i = 0; i < nregulators; i++) {
- rdev = devm_regulator_register(&pdev->dev, ®ulators[i],
- &config);
+ const struct regulator_desc *desc = ®ulators[i];
+ struct regulator_desc *new_desc;
+
+ /*
+ * Regulators DC1SW and DC5LDO are connected internally,
+ * so we have to handle their supply names separately.
+ *
+ * We always register the regulators in proper sequence,
+ * so the supply names are correctly read. See the last
+ * part of this loop to see where we save the DT defined
+ * name.
+ */
+ if (regulators == axp22x_regulators) {
+ if (i == AXP22X_DC1SW) {
+ new_desc = devm_kzalloc(&pdev->dev,
+ sizeof(*desc),
+ GFP_KERNEL);
+ *new_desc = regulators[i];
+ new_desc->supply_name = axp22x_dc1_name;
+ desc = new_desc;
+ } else if (i == AXP22X_DC5LDO) {
+ new_desc = devm_kzalloc(&pdev->dev,
+ sizeof(*desc),
+ GFP_KERNEL);
+ *new_desc = regulators[i];
+ new_desc->supply_name = axp22x_dc5_name;
+ desc = new_desc;
+ }
+ }
+
+ rdev = devm_regulator_register(&pdev->dev, desc, &config);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "Failed to register %s\n",
regulators[i].name);
@@ -388,6 +419,21 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "Failed to set workmode on %s\n",
rdev->desc->name);
}
+
+ /*
+ * Save AXP22X DCDC1 / DCDC5 regulator names for later.
+ */
+ if (regulators == axp22x_regulators) {
+ /* Can we use rdev->constraints->name instead? */
+ if (i == AXP22X_DCDC1)
+ of_property_read_string(rdev->dev.of_node,
+ "regulator-name",
+ &axp22x_dc1_name);
+ else if (i == AXP22X_DCDC5)
+ of_property_read_string(rdev->dev.of_node,
+ "regulator-name",
+ &axp22x_dc5_name);
+ }
}
return 0;
--
2.5.0
--
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