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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>
hifive-unleashed-5.1
Krzysztof Kozlowski 2018-08-06 18:09:32 +02:00
parent 8e82954979
commit b5124e4507
2 changed files with 19 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
arch/arm/boot/dts/exynos5422-odroid-core.dtsi
View File

@ -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 {

6
arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
View File

@ -367,6 +367,12 @@
status = "okay";
};
&ldo26_reg {
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-always-on;
};
&mixer {
status = "okay";
};