diff options
| author | Krzysztof Kozlowski <krzk@kernel.org> | 2018-08-06 18:09:32 +0200 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzk@kernel.org> | 2018-08-29 21:57:23 +0200 |
| commit | b5124e4507939e6a254968091148759de37947bb (patch) | |
| tree | ef4bd6f6ac6dc705db1da5cb0229e5402f13e7a6 | |
| parent | 8e82954979fc41426c924a9bee93d435b5639cda (diff) | |
ARM: dts: exynos: Disable unused PMIC regulators on Exynos5422 Odroid boards
Disable unused PMIC regulators on Exynos5422 Odroid boards to reduce
energy used. According to schematics:
1. LDO12, LDO16 and LDO24 are not connected,
2. LDO26 is not used on Odroid HC1.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
| -rw-r--r-- | arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 26 | ||||
| -rw-r--r-- | arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 6 |
2 files changed, 19 insertions, 13 deletions
diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi index 744fd86a38ad..b0dc9cc81b94 100644 --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi @@ -223,10 +223,10 @@ }; ldo12_reg: LDO12 { + /* Unused */ regulator-name = "vdd_ldo12"; - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <1800000>; - regulator-always-on; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <2375000>; }; ldo13_reg: LDO13 { @@ -250,10 +250,10 @@ }; ldo16_reg: LDO16 { + /* Unused */ regulator-name = "vdd_ldo16"; - regulator-min-microvolt = <2200000>; - regulator-max-microvolt = <2200000>; - regulator-always-on; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3950000>; }; ldo17_reg: LDO17 { @@ -304,10 +304,10 @@ }; ldo24_reg: LDO24 { - regulator-name = "tsp_io"; - regulator-min-microvolt = <2800000>; - regulator-max-microvolt = <2800000>; - regulator-always-on; + /* Unused */ + regulator-name = "vdd_ldo24"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3950000>; }; ldo25_reg: LDO25 { @@ -318,10 +318,10 @@ }; ldo26_reg: LDO26 { + /* Used on XU3, XU3-Lite and XU4 */ regulator-name = "vdd_ldo26"; - regulator-min-microvolt = <3000000>; - regulator-max-microvolt = <3000000>; - regulator-always-on; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3950000>; }; ldo27_reg: LDO27 { diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi index 96e281c0a118..e522edb2bb82 100644 --- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi @@ -367,6 +367,12 @@ status = "okay"; }; +&ldo26_reg { + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3000000>; + regulator-always-on; +}; + &mixer { status = "okay"; }; |