Am 3. Dezember 2024 10:40:35 MEZ schrieb AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>:
>Il 02/12/24 13:25, Frank Wunderlich ha scritto:
>> From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
>>
>
>arm64: dts: mediatek: mt7988a-bpi-r4: Add MediaTek MT6682A/RT5190A PMIC
>
>The BananaPi R4 board has a MediaTek MT8862A PMIC, a rebrand of the
>Richtek RT5190A chip, connected to the I2C0 bus.
>
>Add the relevant node and, while at it, also configure the regulators
>from this PMIC that are used on this board.
>
>> Bananapi R4 Board contains a MT6682A pmic which is compatible to rt5190a.
>> Add its node to the i2 controller.
>>
>> Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
>> ---
>> .../dts/mediatek/mt7988a-bananapi-bpi-r4.dts | 51 +++++++++++++++++++
>> 1 file changed, 51 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
>> index 13ca016d6a67..bc1ec73b8ddd 100644
>> --- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
>> +++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts
>> @@ -2,6 +2,8 @@
>> /dts-v1/;
>> +#include <dt-bindings/regulator/richtek,rt5190a-regulator.h>
>> +
>> #include "mt7988a.dtsi"
>> / {
>> @@ -65,6 +67,55 @@ &i2c0 {
>> pinctrl-names = "default";
>> pinctrl-0 = <&i2c0_pins>;
>> status = "okay";
>> +
>> + rt5190a_64: rt5190a@64 {
>> + compatible = "richtek,rt5190a";
>> + reg = <0x64>;
>> + vin2-supply = <&rt5190_buck1>;
>> + vin3-supply = <&rt5190_buck1>;
>> + vin4-supply = <&rt5190_buck1>;
>> +
>> + regulators {
>> + rt5190_buck1: buck1 {
>> + regulator-name = "rt5190a-buck1";
>> + regulator-min-microvolt = <5090000>;
>> + regulator-max-microvolt = <5090000>;
>> + regulator-allowed-modes =
>> + <RT5190A_OPMODE_AUTO RT5190A_OPMODE_FPWM>;
>
>Does it work like that?
>
>regulator-allowed-modes = <RT5190A_OPMODE_AUTO>,
> <RT5190A_OPMODE_FPWM>;
It seems working, dtbs_check accepts it and i can boot up with this change and see no errors caused by it.
>If yes, please write it like that - if not, I'm sad - but regardless
>
>Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
>
regards Frank
