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([2a01:e0a:106d:1080:8431:f88b:714d:f78d]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48722c65989sm29792335e9.2.2026.03.26.01.53.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 26 Mar 2026 01:53:27 -0700 (PDT) Message-ID: <3780aa8e-5082-4494-aa9e-ca84544bbdb2@linaro.org> Date: Thu, 26 Mar 2026 09:53:26 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Neil Armstrong Subject: Re: [PATCH v4 6/9] arm64: dts: amlogic: t7: khadas-vim4: Add power regulators To: Ronald Claveau , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ulf Hansson , Johannes Berg , van Spriel Cc: linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-wireless@vger.kernel.org References: <20260325-add-emmc-t7-vim4-v4-0-44c7b4a5e459@aliel.fr> <20260325-add-emmc-t7-vim4-v4-6-44c7b4a5e459@aliel.fr> Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; 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charset="us-ascii"; Format="flowed" Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org On 3/25/26 10:15, Ronald Claveau wrote: > Add voltage regulator nodes describing the VIM4 power tree, > required by peripheral nodes such as the SD card controller. > > Signed-off-by: Ronald Claveau > --- > .../dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 90 ++++++++++++++++++++++ > 1 file changed, 90 insertions(+) > > diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts > index fffdab96b12eb..2450084d37642 100644 > --- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts > +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts > @@ -6,6 +6,8 @@ > /dts-v1/; > > #include "amlogic-t7.dtsi" > +#include > +#include > > / { > model = "Khadas vim4"; > @@ -45,6 +47,94 @@ xtal: xtal-clk { > #clock-cells = <0>; > }; > > + dc_in: regulator-dc-in { > + compatible = "regulator-fixed"; > + regulator-name = "DC_IN"; > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + regulator-always-on; > + }; > + > + sd_3v3: regulator-sdcard-3v3 { > + compatible = "regulator-fixed"; > + regulator-name = "SD_3V3"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + vin-supply = <&vddao_3v3>; > + gpio = <&gpio GPIOD_11 GPIO_ACTIVE_LOW>; > + regulator-boot-on; > + enable-active-low; > + regulator-always-on; > + }; > + > + vcc5v: regulator-vcc-5v { > + compatible = "regulator-fixed"; > + regulator-name = "VCC5V"; > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + vin-supply = <&dc_in>; > + > + gpio = <&gpio GPIOH_4 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + }; > + > + vcc5v0_usb: regulator-vcc-usb { > + compatible = "regulator-fixed"; > + regulator-name = "VCC5V0_USB"; > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + vin-supply = <&vcc5v>; > + > + gpio = <&gpio GPIOY_5 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + }; > + > + vddao_1v8: regulator-vddao-1v8 { > + compatible = "regulator-fixed"; > + regulator-name = "VDDAO_1V8"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + vin-supply = <&vddao_3v3>; > + regulator-always-on; > + }; > + > + vddao_3v3: regulator-vddao-3v3 { > + compatible = "regulator-fixed"; > + regulator-name = "VDDAO_3V3"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + vin-supply = <&dc_in>; > + regulator-always-on; > + }; > + > + vddio_1v8: regulator-vddio-1v8 { > + compatible = "regulator-fixed"; > + regulator-name = "VDDIO_1V8"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + vin-supply = <&vddio_3v3>; > + regulator-always-on; > + }; > + > + vddio_3v3: regulator-vddio-3v3 { > + compatible = "regulator-fixed"; > + regulator-name = "VDDIO_3V3"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + vin-supply = <&vddao_3v3>; > + regulator-always-on; > + }; > + > + vddio_c: regulator-gpio-c { > + compatible = "regulator-gpio"; > + regulator-name = "VDDIO_C"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + vin-supply = <&vddio_3v3>; > + gpios = <&gpio GPIOD_9 GPIO_ACTIVE_HIGH>; > + states = <1800000 1 > + 3300000 0>; > + }; > }; > > &uart_a { > Reviewed-by: Neil Armstrong Thanks, Neil _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic