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Message-Id: <20181204194025.2719-1-linux.amoon@gmail.com>
Date: Tue, 4 Dec 2018 19:40:25 +0000
From: Anand Moon <linux.amoon@...il.com>
To: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Kukjin Kim <kgene@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: [PATCH] ARM: dts: exynos: Add proper regulator states for suspend-to-mem for odroid-u3
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.
Signed-off-by: Anand Moon <linux.amoon@...il.com>
---
Tested on Odroid U3+
---
.../boot/dts/exynos4412-odroid-common.dtsi | 72 +++++++++++++++++++
1 file changed, 72 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
index 2caa3132f34e..837713a2ec3b 100644
--- a/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
+++ b/arch/arm/boot/dts/exynos4412-odroid-common.dtsi
@@ -285,6 +285,9 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
};
ldo3_reg: LDO3 {
@@ -292,6 +295,9 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
ldo4_reg: LDO4 {
@@ -299,6 +305,9 @@
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-boot-on;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
};
ldo5_reg: LDO5 {
@@ -307,6 +316,9 @@
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
};
ldo6_reg: LDO6 {
@@ -314,6 +326,9 @@
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
};
ldo7_reg: LDO7 {
@@ -321,18 +336,27 @@
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
};
ldo8_reg: LDO8 {
regulator-name = "VDD10_HDMI_1.0V";
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
ldo10_reg: LDO10 {
regulator-name = "VDDQ_MIPIHSI_1.8V";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
ldo11_reg: LDO11 {
@@ -340,6 +364,9 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
ldo12_reg: LDO12 {
@@ -348,6 +375,9 @@
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
ldo13_reg: LDO13 {
@@ -356,6 +386,9 @@
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
ldo14_reg: LDO14 {
@@ -364,6 +397,9 @@
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
ldo15_reg: LDO15 {
@@ -372,6 +408,9 @@
regulator-max-microvolt = <1000000>;
regulator-always-on;
regulator-boot-on;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
ldo16_reg: LDO16 {
@@ -380,6 +419,9 @@
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
};
ldo20_reg: LDO20 {
@@ -387,6 +429,9 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
ldo21_reg: LDO21 {
@@ -394,6 +439,9 @@
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
regulator-boot-on;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
};
ldo22_reg: LDO22 {
@@ -411,6 +459,9 @@
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
buck1_reg: BUCK1 {
@@ -419,6 +470,9 @@
regulator-max-microvolt = <1100000>;
regulator-always-on;
regulator-boot-on;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
buck2_reg: BUCK2 {
@@ -427,6 +481,9 @@
regulator-max-microvolt = <1350000>;
regulator-always-on;
regulator-boot-on;
+ regulator-state-mem {
+ regulator-on-in-suspend;
+ };
};
buck3_reg: BUCK3 {
@@ -435,6 +492,9 @@
regulator-max-microvolt = <1050000>;
regulator-always-on;
regulator-boot-on;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
buck4_reg: BUCK4 {
@@ -442,6 +502,9 @@
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <1100000>;
regulator-microvolt-offset = <50000>;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
buck5_reg: BUCK5 {
@@ -450,6 +513,9 @@
regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
buck6_reg: BUCK6 {
@@ -458,6 +524,9 @@
regulator-max-microvolt = <1350000>;
regulator-always-on;
regulator-boot-on;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
buck7_reg: BUCK7 {
@@ -465,6 +534,9 @@
regulator-min-microvolt = <2000000>;
regulator-max-microvolt = <2000000>;
regulator-always-on;
+ regulator-state-mem {
+ regulator-off-in-suspend;
+ };
};
buck8_reg: BUCK8 {
--
2.19.2
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