ARM: dts: meson8b: mxq: Fix the pwm regulator supply properties
authorAnand Moon <linux.amoon@gmail.com>
Mon, 5 Jul 2021 11:23:54 +0000 (11:23 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 15 Sep 2021 07:50:34 +0000 (09:50 +0200)
[ Upstream commit 632062e540becbbcb067523ec8bcadb1239d9578 ]

After enabling CONFIG_REGULATOR_DEBUG=y we observer below debug logs.
Changes help link VCCK and VDDEE pwm regulator to 5V regulator supply
instead of dummy regulator.
Add missing pwm-supply for regulator-vcck regulator node.

[    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: dee51cd0d2e8 ("ARM: dts: meson8b: mxq: add the VDDEE regulator")
Fixes: d94f60e3dfa0 ("ARM: dts: meson8b: mxq: improve support for the TRONFY MXQ S805")

Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20210705112358.3554-3-linux.amoon@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/arm/boot/dts/meson8b-mxq.dts

index 33037ef..b2edac1 100644 (file)
@@ -39,6 +39,8 @@
                regulator-min-microvolt = <860000>;
                regulator-max-microvolt = <1140000>;
 
+               pwm-supply = <&vcc_5v>;
+
                pwms = <&pwm_cd 0 1148 0>;
                pwm-dutycycle-range = <100 0>;
 
@@ -84,7 +86,7 @@
                regulator-min-microvolt = <860000>;
                regulator-max-microvolt = <1140000>;
 
-               vin-supply = <&vcc_5v>;
+               pwm-supply = <&vcc_5v>;
 
                pwms = <&pwm_cd 1 1148 0>;
                pwm-dutycycle-range = <100 0>;