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    Subject[PATCH 5.4 067/144] ARM: dts: meson8b: mxq: Fix the pwm regulator supply properties
    Date
    From: Anand Moon <linux.amoon@gmail.com>

    [ 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 | 4 +++-
    1 file changed, 3 insertions(+), 1 deletion(-)

    diff --git a/arch/arm/boot/dts/meson8b-mxq.dts b/arch/arm/boot/dts/meson8b-mxq.dts
    index 6e39ad52e42d..ab8fe55963f7 100644
    --- a/arch/arm/boot/dts/meson8b-mxq.dts
    +++ b/arch/arm/boot/dts/meson8b-mxq.dts
    @@ -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>;
    --
    2.30.2


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