From: Frank Wunderlich Date: Tue, 17 Dec 2024 09:12:26 +0000 (+0100) Subject: arm64: dts: mediatek: mt7988a-bpi-r4: Add fixed regulators for 1v8 and 3v3 X-Git-Tag: v6.14-rc1~103^2~15^2~22 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=6e647beeb22124c5407b06037caa2cc7556dc0c3;p=linux-block.git arm64: dts: mediatek: mt7988a-bpi-r4: Add fixed regulators for 1v8 and 3v3 Add regulator nodes used for mmc to Bananapi R4 board. This board has 1 MMC controller used for SDMMC and eMMC where only one can be used at one time, selected by hardware switches. SD uses 3v3 for both supplies and emmc uses both regulators. So defining both regulators in board dts and referencing them in the dt overlay. Signed-off-by: Frank Wunderlich Reviewed-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20241217091238.16032-13-linux@fw-web.de Signed-off-by: AngeloGioacchino Del Regno --- 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 d914eae2b524..df53512c6890 100644 --- a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts +++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4.dts @@ -8,6 +8,24 @@ compatible = "bananapi,bpi-r4", "mediatek,mt7988a"; model = "Banana Pi BPI-R4"; chassis-type = "embedded"; + + reg_1p8v: regulator-1p8v { + compatible = "regulator-fixed"; + regulator-name = "fixed-1.8V"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + reg_3p3v: regulator-3p3v { + compatible = "regulator-fixed"; + regulator-name = "fixed-3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; }; &pio {