Re: [PATCH] arm64: rockchip: Remove unknown regulator-init-microvolt property

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On 2022-11-04 13:20, Thierry Reding wrote:
From: Thierry Reding <treding@xxxxxxxxxx>

The regulator-init-microvolt is not defined anywhere and not used by any
driver, so remove it from existing device trees.

<vague memory triggers...>

There *are* drivers that use it, just not in Linux[1][2][3]. Having a single canonical bindings repo can't come soon enough :(

Robin.

[1] https://source.denx.de/u-boot/u-boot/-/blob/master/doc/device-tree-bindings/regulator/regulator.txt#L40 [2] https://source.denx.de/u-boot/u-boot/-/blob/master/drivers/power/regulator/pwm_regulator.c#L108 [3] https://source.denx.de/u-boot/u-boot/-/blob/master/drivers/power/regulator/regulator-uclass.c#L455

Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
  arch/arm64/boot/dts/rockchip/rk3308-roc-cc.dts          | 1 -
  arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts       | 1 -
  arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi        | 1 -
  arch/arm64/boot/dts/rockchip/rk3566-anbernic-rgxx3.dtsi | 3 ---
  arch/arm64/boot/dts/rockchip/rk3566-pinenote.dtsi       | 2 --
  arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts      | 2 --
  arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts      | 2 --
  arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts          | 2 --
  arch/arm64/boot/dts/rockchip/rk3566-soquartz.dtsi       | 3 ---
  arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts      | 3 ---
  arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts        | 3 ---
  arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts       | 3 ---
  arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts         | 3 ---
  13 files changed, 29 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3308-roc-cc.dts b/arch/arm64/boot/dts/rockchip/rk3308-roc-cc.dts
index 7ea48167747c..9232357f4fec 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308-roc-cc.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3308-roc-cc.dts
@@ -106,7 +106,6 @@ vdd_core: vdd-core {
  		regulator-name = "vdd_core";
  		regulator-min-microvolt = <827000>;
  		regulator-max-microvolt = <1340000>;
-		regulator-init-microvolt = <1015000>;
  		regulator-settling-time-up-us = <250>;
  		regulator-always-on;
  		regulator-boot-on;
diff --git a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
index a71f249ed384..e9810d2f0407 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3308-rock-pi-s.dts
@@ -105,7 +105,6 @@ vdd_core: vdd-core {
  		regulator-name = "vdd_core";
  		regulator-min-microvolt = <827000>;
  		regulator-max-microvolt = <1340000>;
-		regulator-init-microvolt = <1015000>;
  		regulator-settling-time-up-us = <250>;
  		regulator-always-on;
  		regulator-boot-on;
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
index b6e082f1f6d9..7c5f441a2219 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
@@ -375,7 +375,6 @@ regulator-state-mem {
  			vcc_sdio: LDO_REG4 {
  				regulator-always-on;
  				regulator-boot-on;
-				regulator-init-microvolt = <3000000>;
  				regulator-min-microvolt = <1800000>;
  				regulator-max-microvolt = <3300000>;
  				regulator-name = "vcc_sdio";
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rgxx3.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rgxx3.dtsi
index 41262a69d33e..a71973b16075 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rgxx3.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rgxx3.dtsi
@@ -356,7 +356,6 @@ vdd_logic: DCDC_REG1 {
  				regulator-boot-on;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
-				regulator-init-microvolt = <900000>;
  				regulator-ramp-delay = <6001>;
  				regulator-initial-mode = <0x2>;
  				regulator-name = "vdd_logic";
@@ -371,7 +370,6 @@ vdd_gpu: DCDC_REG2 {
  				regulator-boot-on;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
-				regulator-init-microvolt = <900000>;
  				regulator-ramp-delay = <6001>;
  				regulator-initial-mode = <0x2>;
  				regulator-name = "vdd_gpu";
@@ -533,7 +531,6 @@ vdd_cpu: regulator@40 {
  		regulator-boot-on;
  		regulator-min-microvolt = <712500>;
  		regulator-max-microvolt = <1390000>;
-		regulator-init-microvolt = <900000>;
  		regulator-name = "vdd_cpu";
  		regulator-ramp-delay = <2300>;
  		vin-supply = <&vcc_sys>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-pinenote.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-pinenote.dtsi
index 8d61f824c12d..d899087bf0b5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-pinenote.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-pinenote.dtsi
@@ -264,7 +264,6 @@ vdd_logic: DCDC_REG1 {
  				regulator-always-on;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
-				regulator-init-microvolt = <900000>;
  				regulator-ramp-delay = <6001>;
  				regulator-initial-mode = <0x2>;
@@ -278,7 +277,6 @@ vdd_gpu_npu: DCDC_REG2 {
  				regulator-name = "vdd_gpu_npu";
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
-				regulator-init-microvolt = <900000>;
  				regulator-ramp-delay = <6001>;
  				regulator-initial-mode = <0x2>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
index 25a8c781f4e7..854d02b46e6f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-a.dts
@@ -366,7 +366,6 @@ vdd_logic: DCDC_REG1 {
  				regulator-boot-on;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
-				regulator-init-microvolt = <900000>;
  				regulator-ramp-delay = <6001>;
  				regulator-initial-mode = <0x2>;
  				regulator-name = "vdd_logic";
@@ -381,7 +380,6 @@ vdd_gpu: DCDC_REG2 {
  				regulator-boot-on;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
-				regulator-init-microvolt = <900000>;
  				regulator-ramp-delay = <6001>;
  				regulator-initial-mode = <0x2>;
  				regulator-name = "vdd_gpu";
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts
index 77b179cd20e7..fc38b30d3722 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-quartz64-b.dts
@@ -277,7 +277,6 @@ vdd_log: DCDC_REG1 {
  				regulator-boot-on;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
-				regulator-init-microvolt = <900000>;
  				regulator-ramp-delay = <6001>;
regulator-state-mem {
@@ -292,7 +291,6 @@ vdd_gpu: DCDC_REG2 {
  				regulator-boot-on;
  				regulator-min-microvolt = <900000>;
  				regulator-max-microvolt = <1350000>;
-				regulator-init-microvolt = <900000>;
  				regulator-ramp-delay = <6001>;
regulator-state-mem {
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts b/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts
index 61c7a3ad7387..45807d7e22eb 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-roc-pc.dts
@@ -250,7 +250,6 @@ vdd_log: DCDC_REG1 {
  				regulator-boot-on;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
-				regulator-init-microvolt = <900000>;
  				regulator-ramp-delay = <6001>;
regulator-state-mem {
@@ -263,7 +262,6 @@ vdd_gpu: DCDC_REG2 {
  				regulator-name = "vdd_gpu";
  				regulator-min-microvolt = <900000>;
  				regulator-max-microvolt = <1350000>;
-				regulator-init-microvolt = <900000>;
  				regulator-ramp-delay = <6001>;
regulator-state-mem {
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-soquartz.dtsi b/arch/arm64/boot/dts/rockchip/rk3566-soquartz.dtsi
index 5bcd4be32964..e23e2293d10a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-soquartz.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3566-soquartz.dtsi
@@ -192,7 +192,6 @@ vdd_logic: DCDC_REG1 {
  				regulator-boot-on;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
-				regulator-init-microvolt = <900000>;
  				regulator-ramp-delay = <6001>;
  				regulator-initial-mode = <0x2>;
  				regulator-state-mem {
@@ -207,7 +206,6 @@ vdd_gpu: DCDC_REG2 {
  				regulator-boot-on;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
-				regulator-init-microvolt = <900000>;
  				regulator-ramp-delay = <6001>;
  				regulator-initial-mode = <0x2>;
  					regulator-state-mem {
@@ -230,7 +228,6 @@ vdd_npu: DCDC_REG4 {
  				regulator-boot-on;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
-				regulator-init-microvolt = <900000>;
  				regulator-initial-mode = <0x2>;
  				regulator-name = "vdd_npu";
  				regulator-state-mem {
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
index 26d7fda275ed..a70b89e39dd6 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-bpi-r2-pro.dts
@@ -301,7 +301,6 @@ vdd_logic: DCDC_REG1 {
  				regulator-name = "vdd_logic";
  				regulator-always-on;
  				regulator-boot-on;
-				regulator-init-microvolt = <900000>;
  				regulator-initial-mode = <0x2>;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
@@ -315,7 +314,6 @@ regulator-state-mem {
  			vdd_gpu: DCDC_REG2 {
  				regulator-name = "vdd_gpu";
  				regulator-always-on;
-				regulator-init-microvolt = <900000>;
  				regulator-initial-mode = <0x2>;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
@@ -339,7 +337,6 @@ regulator-state-mem {
vdd_npu: DCDC_REG4 {
  				regulator-name = "vdd_npu";
-				regulator-init-microvolt = <900000>;
  				regulator-initial-mode = <0x2>;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
index 674792567fa6..19f8fc369b13 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-v10.dts
@@ -293,7 +293,6 @@ vdd_logic: DCDC_REG1 {
  				regulator-name = "vdd_logic";
  				regulator-always-on;
  				regulator-boot-on;
-				regulator-init-microvolt = <900000>;
  				regulator-initial-mode = <0x2>;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
@@ -307,7 +306,6 @@ regulator-state-mem {
  			vdd_gpu: DCDC_REG2 {
  				regulator-name = "vdd_gpu";
  				regulator-always-on;
-				regulator-init-microvolt = <900000>;
  				regulator-initial-mode = <0x2>;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
@@ -331,7 +329,6 @@ regulator-state-mem {
vdd_npu: DCDC_REG4 {
  				regulator-name = "vdd_npu";
-				regulator-init-microvolt = <900000>;
  				regulator-initial-mode = <0x2>;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts b/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts
index 59ecf868dbd0..a337f547caf5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dts
@@ -291,7 +291,6 @@ vdd_logic: DCDC_REG1 {
  				regulator-name = "vdd_logic";
  				regulator-always-on;
  				regulator-boot-on;
-				regulator-init-microvolt = <900000>;
  				regulator-initial-mode = <0x2>;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
@@ -305,7 +304,6 @@ regulator-state-mem {
  			vdd_gpu: DCDC_REG2 {
  				regulator-name = "vdd_gpu";
  				regulator-always-on;
-				regulator-init-microvolt = <900000>;
  				regulator-initial-mode = <0x2>;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
@@ -329,7 +327,6 @@ regulator-state-mem {
vdd_npu: DCDC_REG4 {
  				regulator-name = "vdd_npu";
-				regulator-init-microvolt = <900000>;
  				regulator-initial-mode = <0x2>;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
index ea74ba32fbbd..482c892567de 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts
@@ -340,7 +340,6 @@ vdd_logic: DCDC_REG1 {
  				regulator-name = "vdd_logic";
  				regulator-always-on;
  				regulator-boot-on;
-				regulator-init-microvolt = <900000>;
  				regulator-initial-mode = <0x2>;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
@@ -354,7 +353,6 @@ regulator-state-mem {
  			vdd_gpu: DCDC_REG2 {
  				regulator-name = "vdd_gpu";
  				regulator-always-on;
-				regulator-init-microvolt = <900000>;
  				regulator-initial-mode = <0x2>;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;
@@ -378,7 +376,6 @@ regulator-state-mem {
vdd_npu: DCDC_REG4 {
  				regulator-name = "vdd_npu";
-				regulator-init-microvolt = <900000>;
  				regulator-initial-mode = <0x2>;
  				regulator-min-microvolt = <500000>;
  				regulator-max-microvolt = <1350000>;



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