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[2001:8b0:fb11:2681::4f9]) by smtp.googlemail.com with ESMTPSA id j8-20020adfe508000000b002cfe71153b4sm14829623wrm.60.2023.04.05.05.38.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Apr 2023 05:38:15 -0700 (PDT) From: Peter Robinson To: Rob Herring , Krzysztof Kozlowski , Heiko Stuebner , Ondrej Jirman , Tom Fitzhenry , Martijn Braam , Caleb Connolly , Jarrah Gosbell , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Cc: =?UTF-8?q?Kamil=20Trzci=C5=84ski?= , Peter Robinson Subject: [PATCH] arm64: dts: rk3399-pinephone-pro: Add support for volume keys Date: Wed, 5 Apr 2023 13:38:13 +0100 Message-Id: <20230405123813.2272919-1-pbrobinson@gmail.com> X-Mailer: git-send-email 2.40.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Ondrej Jirman These are implemented via regular ADC, so regular polling is needed, for these keys to work. Signed-off-by: Martijn Braam Co-developed-by: Kamil Trzciński Signed-off-by: Ondrej Jirman Signed-off-by: Peter Robinson --- .../dts/rockchip/rk3399-pinephone-pro.dts | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts index a0795a2b1cb1..ecd48040eb0c 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts @@ -10,6 +10,7 @@ */ /dts-v1/; +#include #include #include "rk3399.dtsi" #include "rk3399-opp.dtsi" @@ -29,6 +30,26 @@ chosen { stdout-path = "serial2:115200n8"; }; + adc-keys { + compatible = "adc-keys"; + io-channels = <&saradc 1>; + io-channel-names = "buttons"; + keyup-threshold-microvolt = <1600000>; + poll-interval = <100>; + + button-up { + label = "Volume Up"; + linux,code = ; + press-threshold-microvolt = <100000>; + }; + + button-down { + label = "Volume Down"; + linux,code = ; + press-threshold-microvolt = <300000>; + }; + }; + gpio-keys { compatible = "gpio-keys"; pinctrl-names = "default"; @@ -429,6 +450,11 @@ &sdio0 { status = "okay"; }; +&saradc { + vref-supply = <&vcca1v8_s3>; + status = "okay"; +}; + &sdmmc { bus-width = <4>; cap-sd-highspeed; -- 2.40.0