Hi Anand, Thanks for the patch. See comments below. On Wed, 13 Feb 2019 at 22:41, Anand Moon <linux.amoon@xxxxxxxxx> wrote: > > Add suspend-to-mem node to regulator core to be enabled or disabled > during system suspend and also support changing the regulator operating > mode during runtime and when the system enter sleep mode. > > Cc: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> > Cc: Krzysztof Kozlowski <krzk@xxxxxxxxxx> > Cc: Chanwoo Choi <cw00.choi@xxxxxxxxxxx> > Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx> > --- > > Changes from previos patch > [0] https://patchwork.kernel.org/patch/10712549/ > > Set all the WAKEUP source regulator in suspend-on state. > LD04, LD012, LD015, LD020, LD022 > Set all the non used regulator in suspend-odd state > LD02, LD03, LD05, LD06, LD07, LD011, LD013, LDO14, LD016 > > BUCK5, BUCK6, BUCK7 and not confirable as per driver max77686-regulator > > Tested on microSD card and it resumes correcly after suspend. > eMMC is not able to resume after entering into suspend state, > which need to be investigated and how to debug more. > --- > .../boot/dts/exynos4412-odroid-common.dtsi | 63 +++++++++++++++++++ > arch/arm/boot/dts/exynos4412-odroidu3.dts | 3 + > 2 files changed, 66 insertions(+) > > diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi > index 08d3a0a7b4eb..e984461c37d9 100644 > --- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi > +++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi > @@ -288,6 +288,9 @@ > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <1800000>; > regulator-always-on; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; I see my comment from previous patch was not addressed. > }; > > ldo3_reg: LDO3 { > @@ -295,6 +298,9 @@ > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <1800000>; > regulator-always-on; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; The same... > }; > > ldo4_reg: LDO4 { > @@ -302,6 +308,9 @@ > regulator-min-microvolt = <2800000>; > regulator-max-microvolt = <2800000>; > regulator-boot-on; > + regulator-state-mem { > + regulator-on-in-suspend; > + }; > }; > > ldo5_reg: LDO5 { > @@ -310,6 +319,9 @@ > regulator-max-microvolt = <1800000>; > regulator-always-on; > regulator-boot-on; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > }; > > ldo6_reg: LDO6 { > @@ -317,6 +329,9 @@ > regulator-min-microvolt = <1000000>; > regulator-max-microvolt = <1000000>; > regulator-always-on; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > }; > > ldo7_reg: LDO7 { > @@ -324,18 +339,27 @@ > regulator-min-microvolt = <1000000>; > regulator-max-microvolt = <1000000>; > regulator-always-on; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > }; > > ldo8_reg: LDO8 { > regulator-name = "VDD10_HDMI_1.0V"; > regulator-min-microvolt = <1000000>; > regulator-max-microvolt = <1000000>; > + regulator-state-mem { > + regulator-on-in-suspend; > + }; > }; > > ldo10_reg: LDO10 { > regulator-name = "VDDQ_MIPIHSI_1.8V"; > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <1800000>; > + regulator-state-mem { > + regulator-on-in-suspend; > + }; > }; > > ldo11_reg: LDO11 { > @@ -343,6 +367,9 @@ > regulator-min-microvolt = <1800000>; > regulator-max-microvolt = <1800000>; > regulator-always-on; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > }; > > ldo12_reg: LDO12 { > @@ -351,6 +378,9 @@ > regulator-max-microvolt = <3300000>; > regulator-always-on; > regulator-boot-on; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > }; > > ldo13_reg: LDO13 { > @@ -359,6 +389,9 @@ > regulator-max-microvolt = <1800000>; > regulator-always-on; > regulator-boot-on; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > }; > > ldo14_reg: LDO14 { > @@ -367,6 +400,9 @@ > regulator-max-microvolt = <1800000>; > regulator-always-on; > regulator-boot-on; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > }; > > ldo15_reg: LDO15 { > @@ -375,6 +411,9 @@ > regulator-max-microvolt = <1000000>; > regulator-always-on; > regulator-boot-on; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > }; > > ldo16_reg: LDO16 { > @@ -383,6 +422,9 @@ > regulator-max-microvolt = <1800000>; > regulator-always-on; > regulator-boot-on; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > }; > > ldo20_reg: LDO20 { > @@ -396,6 +438,9 @@ > regulator-min-microvolt = <2800000>; > regulator-max-microvolt = <2800000>; > regulator-boot-on; > + regulator-state-mem { > + regulator-on-in-suspend; > + }; The same... any comments? > }; > > ldo22_reg: LDO22 { > @@ -405,6 +450,9 @@ > */ > regulator-name = "LDO22"; > regulator-boot-on; > + regulator-state-mem { > + regulator-on-in-suspend; > + }; > }; > > ldo25_reg: LDO25 { > @@ -413,6 +461,9 @@ > regulator-max-microvolt = <1800000>; > regulator-always-on; > regulator-boot-on; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > }; > > buck1_reg: BUCK1 { > @@ -421,6 +472,9 @@ > regulator-max-microvolt = <1100000>; > regulator-always-on; > regulator-boot-on; > + regulator-state-mem { > + regulator-off-in-suspend; Again, you did not address my comments. > + }; > }; > > buck2_reg: BUCK2 { > @@ -429,6 +483,9 @@ > regulator-max-microvolt = <1350000>; > regulator-always-on; > regulator-boot-on; > + regulator-state-mem { > + regulator-on-in-suspend; > + }; > }; > > buck3_reg: BUCK3 { > @@ -437,6 +494,9 @@ > regulator-max-microvolt = <1050000>; > regulator-always-on; > regulator-boot-on; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; The same... > }; > > buck4_reg: BUCK4 { > @@ -444,6 +504,9 @@ > regulator-min-microvolt = <900000>; > regulator-max-microvolt = <1100000>; > regulator-microvolt-offset = <50000>; > + regulator-state-mem { > + regulator-off-in-suspend; > + }; > }; > > buck5_reg: BUCK5 { > diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts > index 2bdf899df436..4ebde09fc51d 100644 > --- a/arch/arm/boot/dts/exynos4412-odroidu3.dts > +++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts > @@ -82,6 +82,9 @@ > regulator-name = "LDO22_VDDQ_MMC4_2.8V"; > regulator-min-microvolt = <2800000>; > regulator-max-microvolt = <2800000>; > + regulator-state-mem { > + regulator-on-in-suspend; Why? Best regards, Krzysztof
