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From: Anand Moon <linux.amoon@gmail.com>
To: linux-arm-kernel@lists.infradead.org,
	linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Anand Moon <linux.amoon@gmail.com>,
	Neil Armstrong <narmstrong@baylibre.com>,
	Rob Herring <robh+dt@kernel.org>,
	Kevin Hilman <khilman@baylibre.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	Christian Hewitt <christianshewitt@gmail.com>,
	devicetree@vger.kernel.org
Subject: [PATCHv2 3/3] arm64: dts: meson-sm1: Fix the pwm regulator supply properties
Date: Sun, 19 Sep 2021 20:29:11 +0000	[thread overview]
Message-ID: <20210919202918.3556-4-linux.amoon@gmail.com> (raw)
In-Reply-To: <20210919202918.3556-1-linux.amoon@gmail.com>

After enabling CONFIG_REGULATOR_DEBUG=y we observe below debug logs.
Changes help link VDDCPU pwm regulator to 12V regulator supply
instead of dummy regulator.

[   11.602281] pwm-regulator regulator-vddcpu: Looking up pwm-supply property
               in node /regulator-vddcpu failed
[   11.602344] VDDCPU: supplied by regulator-dummy
[   11.602365] regulator-dummy: could not add device link regulator.11: -ENOENT
[   11.602548] VDDCPU: 721 <--> 1022 mV at 1022 mV, enabled

Fixes: 88d537bc92ca ("arm64: dts: meson: convert meson-sm1-odroid-c4 to dtsi")
Fixes: 700ab8d83927 ("arm64: dts: khadas-vim3: add support for the SM1 based VIM3L")
Fixes: 3d9e76483049 ("arm64: dts: meson-sm1-sei610: enable DVFS")
Fixes: 976e920183e4 ("arm64: dts: meson-sm1: add Banana PI BPI-M5 board dts")

Cc: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
 arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts  | 2 +-
 arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts | 2 +-
 arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi      | 2 +-
 arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts       | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts
index effaa138b5f9..212c6aa5a3b8 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-bananapi-m5.dts
@@ -173,7 +173,7 @@ vddcpu: regulator-vddcpu {
 		regulator-min-microvolt = <690000>;
 		regulator-max-microvolt = <1050000>;

-		vin-supply = <&dc_in>;
+		pwm-supply = <&dc_in>;

 		pwms = <&pwm_AO_cd 1 1250 0>;
 		pwm-dutycycle-range = <100 0>;
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts
index f2c098143594..9c0b544e2209 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-khadas-vim3l.dts
@@ -24,7 +24,7 @@ vddcpu: regulator-vddcpu {
 		regulator-min-microvolt = <690000>;
 		regulator-max-microvolt = <1050000>;

-		vin-supply = <&vsys_3v3>;
+		pwm-supply = <&vsys_3v3>;

 		pwms = <&pwm_AO_cd 1 1250 0>;
 		pwm-dutycycle-range = <100 0>;
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi
index fd0ad85c165b..f05bc9756393 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi
@@ -116,7 +116,7 @@ vddcpu: regulator-vddcpu {
 		regulator-min-microvolt = <721000>;
 		regulator-max-microvolt = <1022000>;

-		vin-supply = <&main_12v>;
+		pwm-supply = <&main_12v>;

 		pwms = <&pwm_AO_cd 1 1250 0>;
 		pwm-dutycycle-range = <100 0>;
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts
index 2194a778973f..427475846fc7 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts
@@ -185,7 +185,7 @@ vddcpu: regulator-vddcpu {
 		regulator-min-microvolt = <690000>;
 		regulator-max-microvolt = <1050000>;

-		vin-supply = <&dc_in>;
+		pwm-supply = <&dc_in>;

 		pwms = <&pwm_AO_cd 1 1500 0>;
 		pwm-dutycycle-range = <100 0>;
--
2.33.0


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  parent reply	other threads:[~2021-09-19 20:33 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-19 20:29 [PATCHv2 0/3] Fix the pwm regulator supply properties Anand Moon
2021-09-19 20:29 ` [PATCHv2 1/3] arm64: dts: meson-g12a: " Anand Moon
2021-09-19 20:29 ` [PATCHv2 2/3] arm64: dts: meson-g12b: " Anand Moon
2021-09-19 20:29 ` Anand Moon [this message]
2021-09-20  8:28 ` [PATCHv2 0/3] " Neil Armstrong
2021-09-20 20:13 ` Martin Blumenstingl
2021-09-21  7:21   ` Neil Armstrong
2021-09-21  7:23 ` Neil Armstrong

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