From 15e54b8c0be6bf457811f4a800834ac41bb4de1f Mon Sep 17 00:00:00 2001
From: Anand Moon <linux.amoon@gmail.com>
Date: Mon, 5 Jul 2021 11:23:53 +0000
Subject: [PATCH] ARM: dts: meson8b: odroidc1: Fix the pwm regulator supply properties
Git-commit: 876228e9f935f19c7afc7ba394d17e2ec9143b65
Patch-mainline: v5.15-rc1
References: stable-5.14.4
[ Upstream commit 876228e9f935f19c7afc7ba394d17e2ec9143b65 ]
After enabling CONFIG_REGULATOR_DEBUG=y we observe below debug logs.
Changes help link VCCK and VDDEE pwm regulator to 5V regulator supply
instead of dummy regulator.
[ 7.117140] pwm-regulator regulator-vcck: Looking up pwm-supply from device tree
[ 7.117153] pwm-regulator regulator-vcck: Looking up pwm-supply property in node /regulator-vcck failed
[ 7.117184] VCCK: supplied by regulator-dummy
[ 7.117194] regulator-dummy: could not add device link regulator.8: -ENOENT
[ 7.117266] VCCK: 860 <--> 1140 mV at 986 mV, enabled
[ 7.118498] VDDEE: will resolve supply early: pwm
[ 7.118515] pwm-regulator regulator-vddee: Looking up pwm-supply from device tree
[ 7.118526] pwm-regulator regulator-vddee: Looking up pwm-supply property in node /regulator-vddee failed
[ 7.118553] VDDEE: supplied by regulator-dummy
[ 7.118563] regulator-dummy: could not add device link regulator.9: -ENOENT
Fixes: 524d96083b66 ("ARM: dts: meson8b: odroidc1: add the CPU voltage regulator")
Fixes: 8bdf38be712d ("ARM: dts: meson8b: odroidc1: add the VDDEE regulator")
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
[narmstrong: fixed typo in commit s/observer/observe/]
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20210705112358.3554-2-linux.amoon@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
arch/arm/boot/dts/meson8b-odroidc1.dts | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts
index c440ef94e082..04356bc639fa 100644
--- a/arch/arm/boot/dts/meson8b-odroidc1.dts
+++ b/arch/arm/boot/dts/meson8b-odroidc1.dts
@@ -131,7 +131,7 @@ vcck: regulator-vcck {
regulator-min-microvolt = <860000>;
regulator-max-microvolt = <1140000>;
- vin-supply = <&p5v0>;
+ pwm-supply = <&p5v0>;
pwms = <&pwm_cd 0 12218 0>;
pwm-dutycycle-range = <91 0>;
@@ -163,7 +163,7 @@ vddee: regulator-vddee {
regulator-min-microvolt = <860000>;
regulator-max-microvolt = <1140000>;
- vin-supply = <&p5v0>;
+ pwm-supply = <&p5v0>;
pwms = <&pwm_cd 1 12218 0>;
pwm-dutycycle-range = <91 0>;
--
2.26.2