The regulator core now has support to choose a default initial
operating mode for regulators from DT. Set the initial opmode
for the max77802 PMIC regulators with the same modes that are
used in the downstream ChromeOS kernel, in order to allow the
system to lower power at suspend time.
Signed-off-by: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/exynos5420-peach-pit.dts | 26 ++++++++++++++++++++++++++
arch/arm/boot/dts/exynos5800-peach-pi.dts | 26 ++++++++++++++++++++++++++
2 files changed, 52 insertions(+)
diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
index 9a050e1..f7eb70d 100644
--- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
@@ -13,6 +13,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clock/maxim,max77802.h>
+#include <dt-bindings/regulator/regulator.h>
#include "exynos5420.dtsi"
/ {
@@ -192,6 +193,7 @@
regulator-always-on;
regulator-boot-on;
regulator-ramp-delay = <12500>;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
buck2_reg: BUCK2 {
@@ -201,6 +203,7 @@
regulator-always-on;
regulator-boot-on;
regulator-ramp-delay = <12500>;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
buck3_reg: BUCK3 {
@@ -210,6 +213,7 @@
regulator-always-on;
regulator-boot-on;
regulator-ramp-delay = <12500>;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
buck4_reg: BUCK4 {
@@ -219,6 +223,7 @@
regulator-always-on;
regulator-boot-on;
regulator-ramp-delay = <12500>;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
buck5_reg: BUCK5 {
@@ -227,6 +232,7 @@
regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
buck6_reg: BUCK6 {
@@ -236,6 +242,7 @@
regulator-always-on;
regulator-boot-on;
regulator-ramp-delay = <12500>;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
buck7_reg: BUCK7 {
@@ -244,6 +251,7 @@
regulator-max-microvolt = <1350000>;
regulator-always-on;
regulator-boot-on;
+ regulator-initial-mode = <REGULATOR_MODE_NORMAL>;
};
buck8_reg: BUCK8 {
@@ -252,6 +260,7 @@
regulator-max-microvolt = <2850000>;
regulator-always-on;
regulator-boot-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
buck9_reg: BUCK9 {
@@ -260,6 +269,7 @@
regulator-max-microvolt = <2000000>;
regulator-always-on;
regulator-boot-on;
+ regulator-initial-mode = <REGULATOR_MODE_NORMAL>;
};
buck10_reg: BUCK10 {
@@ -268,6 +278,7 @@
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
+ regulator-initial-mode = <REGULATOR_MODE_NORMAL>;
};
ldo1_reg: LDO1 {
@@ -275,6 +286,7 @@
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_IDLE>;
};
ldo2_reg: LDO2 {
@@ -288,6 +300,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_IDLE>;
};
vqmmc_sdcard: ldo4_reg: LDO4 {
@@ -295,6 +308,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <2800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo5_reg: LDO5 {
@@ -302,6 +316,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo6_reg: LDO6 {
@@ -309,6 +324,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo7_reg: LDO7 {
@@ -322,6 +338,7 @@
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo9_reg: LDO9 {
@@ -329,6 +346,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_IDLE>;
};
ldo10_reg: LDO10 {
@@ -336,6 +354,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo11_reg: LDO11 {
@@ -343,6 +362,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_IDLE>;
};
ldo12_reg: LDO12 {
@@ -350,6 +370,7 @@
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo13_reg: LDO13 {
@@ -357,6 +378,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_IDLE>;
};
ldo14_reg: LDO14 {
@@ -364,6 +386,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo15_reg: LDO15 {
@@ -371,6 +394,7 @@
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo17_reg: LDO17 {
@@ -378,6 +402,7 @@
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <1400000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo18_reg: LDO18 {
@@ -451,6 +476,7 @@
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo32_reg: LDO32 {
diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
index e8fdda8..3da8084 100644
--- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
@@ -13,6 +13,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clock/maxim,max77802.h>
+#include <dt-bindings/regulator/regulator.h>
#include "exynos5800.dtsi"
/ {
@@ -191,6 +192,7 @@
regulator-always-on;
regulator-boot-on;
regulator-ramp-delay = <12500>;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
buck2_reg: BUCK2 {
@@ -200,6 +202,7 @@
regulator-always-on;
regulator-boot-on;
regulator-ramp-delay = <12500>;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
buck3_reg: BUCK3 {
@@ -209,6 +212,7 @@
regulator-always-on;
regulator-boot-on;
regulator-ramp-delay = <12500>;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
buck4_reg: BUCK4 {
@@ -218,6 +222,7 @@
regulator-always-on;
regulator-boot-on;
regulator-ramp-delay = <12500>;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
buck5_reg: BUCK5 {
@@ -226,6 +231,7 @@
regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
buck6_reg: BUCK6 {
@@ -235,6 +241,7 @@
regulator-always-on;
regulator-boot-on;
regulator-ramp-delay = <12500>;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
buck7_reg: BUCK7 {
@@ -243,6 +250,7 @@
regulator-max-microvolt = <1350000>;
regulator-always-on;
regulator-boot-on;
+ regulator-initial-mode = <REGULATOR_MODE_NORMAL>;
};
buck8_reg: BUCK8 {
@@ -251,6 +259,7 @@
regulator-max-microvolt = <2850000>;
regulator-always-on;
regulator-boot-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
buck9_reg: BUCK9 {
@@ -259,6 +268,7 @@
regulator-max-microvolt = <2000000>;
regulator-always-on;
regulator-boot-on;
+ regulator-initial-mode = <REGULATOR_MODE_NORMAL>;
};
buck10_reg: BUCK10 {
@@ -267,6 +277,7 @@
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
+ regulator-initial-mode = <REGULATOR_MODE_NORMAL>;
};
ldo1_reg: LDO1 {
@@ -274,6 +285,7 @@
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_IDLE>;
};
ldo2_reg: LDO2 {
@@ -287,6 +299,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_IDLE>;
};
vqmmc_sdcard: ldo4_reg: LDO4 {
@@ -294,6 +307,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <2800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo5_reg: LDO5 {
@@ -301,6 +315,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo6_reg: LDO6 {
@@ -308,6 +323,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo7_reg: LDO7 {
@@ -321,6 +337,7 @@
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo9_reg: LDO9 {
@@ -328,6 +345,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_IDLE>;
};
ldo10_reg: LDO10 {
@@ -335,6 +353,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo11_reg: LDO11 {
@@ -342,6 +361,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_IDLE>;
};
ldo12_reg: LDO12 {
@@ -349,6 +369,7 @@
regulator-min-microvolt = <3000000>;
regulator-max-microvolt = <3000000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo13_reg: LDO13 {
@@ -356,6 +377,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_IDLE>;
};
ldo14_reg: LDO14 {
@@ -363,6 +385,7 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo15_reg: LDO15 {
@@ -370,6 +393,7 @@
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo17_reg: LDO17 {
@@ -377,6 +401,7 @@
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <1400000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo18_reg: LDO18 {
@@ -450,6 +475,7 @@
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <1000000>;
regulator-always-on;
+ regulator-initial-mode = <REGULATOR_MODE_STANDBY>;
};
ldo32_reg: LDO32 {
--
2.1.0
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