From: Anand Moon linux.amoon@gmail.com
[ 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 --- 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 @@ 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 @@ 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>;