From: Krzysztof Kozlowski Date: Thu, 20 Jun 2019 18:34:57 +0000 (+0200) Subject: ARM: dts: exynos: Add regulator suspend configuration to Odroid XU3/XU4/HC1 family X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3e7f057681a67941f32f6e9822793e6e71e28155;p=linux.git ARM: dts: exynos: Add regulator suspend configuration to Odroid XU3/XU4/HC1 family Add the PMIC regulator suspend configuration to entire Odroid XU3/XU4/HC1 family of boards to reduce power usage during suspend. The configuration is based on vendor (Hardkernel) reference kernel with additional buck9 suspend configuration (for USB hub suspend and proper reset). Energy consumption measurements from Marek Szyprowski during suspend to RAM: - all at 5 V power supply, - before: next-20190620, - after: next-20190620 + this patch + suspend configuration for s2mps11 regulator driver, Board | before [mA] | after [mA] | Odroid HC1 | 120 | 7-10 | Odroid XU4, sdcard | 88 | 6-9 | Odroid XU4, eMMC | 100 | 6-9 | Signed-off-by: Krzysztof Kozlowski Tested-by: Marek Szyprowski Tested-by: Anand Moon --- diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi index 0f967259ad29a..9843d21d69249 100644 --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi @@ -177,6 +177,10 @@ regulator-name = "vdd_adc"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo5_reg: LDO5 { @@ -184,6 +188,10 @@ regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-always-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo6_reg: LDO6 { @@ -191,6 +199,10 @@ regulator-min-microvolt = <1000000>; regulator-max-microvolt = <1000000>; regulator-always-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo7_reg: LDO7 { @@ -198,6 +210,10 @@ regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-always-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo8_reg: LDO8 { @@ -205,6 +221,10 @@ regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-always-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo9_reg: LDO9 { @@ -212,6 +232,10 @@ regulator-min-microvolt = <3000000>; regulator-max-microvolt = <3000000>; regulator-always-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo10_reg: LDO10 { @@ -219,6 +243,10 @@ regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-always-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo11_reg: LDO11 { @@ -226,6 +254,10 @@ regulator-min-microvolt = <1000000>; regulator-max-microvolt = <1000000>; regulator-always-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo12_reg: LDO12 { @@ -239,6 +271,10 @@ regulator-name = "vddq_mmc2"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <2800000>; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo14_reg: LDO14 { @@ -253,6 +289,10 @@ regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-always-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo16_reg: LDO16 { @@ -267,18 +307,30 @@ regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-always-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo18_reg: LDO18 { regulator-name = "vdd_emmc_1V8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo19_reg: LDO19 { regulator-name = "vdd_sd"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo20_reg: LDO20 { @@ -307,6 +359,10 @@ regulator-min-microvolt = <1100000>; regulator-max-microvolt = <1100000>; regulator-always-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo24_reg: LDO24 { @@ -328,6 +384,10 @@ regulator-name = "vdd_ldo26"; regulator-min-microvolt = <800000>; regulator-max-microvolt = <3950000>; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo27_reg: LDO27 { @@ -335,6 +395,10 @@ regulator-min-microvolt = <1000000>; regulator-max-microvolt = <1000000>; regulator-always-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo28_reg: LDO28 { @@ -342,6 +406,10 @@ regulator-name = "vdd_ldo28"; regulator-min-microvolt = <800000>; regulator-max-microvolt = <3950000>; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; ldo29_reg: LDO29 { @@ -420,6 +488,10 @@ regulator-max-microvolt = <1300000>; regulator-always-on; regulator-boot-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; buck2_reg: BUCK2 { @@ -428,6 +500,10 @@ regulator-max-microvolt = <1500000>; regulator-always-on; regulator-boot-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; buck3_reg: BUCK3 { @@ -436,6 +512,10 @@ regulator-max-microvolt = <1400000>; regulator-always-on; regulator-boot-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; buck4_reg: BUCK4 { @@ -444,6 +524,10 @@ regulator-max-microvolt = <1400000>; regulator-always-on; regulator-boot-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; buck5_reg: BUCK5 { @@ -460,6 +544,10 @@ regulator-max-microvolt = <1500000>; regulator-always-on; regulator-boot-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; buck7_reg: BUCK7 { @@ -484,12 +572,20 @@ regulator-max-microvolt = <3750000>; regulator-always-on; regulator-boot-on; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; buck10_reg: BUCK10 { regulator-name = "vdd_vmem"; regulator-min-microvolt = <2850000>; regulator-max-microvolt = <2850000>; + + regulator-state-mem { + regulator-off-in-suspend; + }; }; }; };