From nobody Mon Feb 9 13:57:58 2026 Received: from smtp.forwardemail.net (smtp.forwardemail.net [121.127.44.59]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1B9562780E6 for ; Tue, 4 Mar 2025 20:17:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=121.127.44.59 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741119426; cv=none; b=kZym3f7fUZY6gIMb5++E5suyWPtUrN1cpgxgPXnu0g7oWaVK4ZVtf7rXUxJA8u3oYULolZwBy7mHT8T7k41q1SGpM0c76ATixRgoqp3JHjH4x6KAqfGbmyWRbeYtaYR+2jqlrzIg4dqaRE9BMl/4WU2F7QKbggCgizy2KvXl+0k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741119426; c=relaxed/simple; bh=ti3aFRm2XLD+p490ujwQOzXNV8wHWv6NpXNQoM03SW8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rbpNabCCFAtktq9YZBtKqUOwP0+r5yiZsXafWprXjaN6uwa0uw5lySdRkxsLBpnhY+s0WQkXHnLHgIaBLrUgo+pSEf+z5tHEnv/3V0ugR9tms5RakWcu/9l3rVC3qt8oTVVv6UPREopFYAqxLIfVMPzB9f1h/qsoR4Dc3DVaSqk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kwiboo.se; spf=pass smtp.mailfrom=fe-bounces.kwiboo.se; dkim=pass (2048-bit key) header.d=kwiboo.se header.i=@kwiboo.se header.b=Kpf9Gqre; arc=none smtp.client-ip=121.127.44.59 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=kwiboo.se Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=fe-bounces.kwiboo.se Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kwiboo.se header.i=@kwiboo.se header.b="Kpf9Gqre" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kwiboo.se; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-ID: Date: Subject: Cc: To: From; q=dns/txt; s=fe-e1b5cab7be; t=1741119424; bh=VymoCBuQbJVOZiQ8kCmp23B7JKJ6M1aDwHI+dP/rK28=; b=Kpf9GqreTuqafx+ed87COjLL/9d/ZsZvmWvP8EMRqAQu1DGb+6bmJqDUFA/kcOM1GxLq2Hwj5 ub6nTTwXH5k+0HI1UFWlDiimdIP1fxpUl7CCHvi3eV58GKg22I+YEeMDzD2mo4kwzfHw7khbPUR xbjvS8vlvGjzrKqWz0URf+mWqqEDj6cyIsrZDQ0RE7ufHea9Dajcn7+DqYuhsFp6FkPSu7uXrr+ LoiYO0wqVozhSOO1V882ganRdyw7/47i9gaWcpr4CW54StWcCqZI+y61qT3xvGmYrkB7JCOFDmV PhGt5nAgo8o/g4hMn8Jl2WxsYVCPQkfnh1kKaQ67ztWg== X-Forward-Email-ID: 67c75fbd66a4509299dbdfaa X-Forward-Email-Sender: rfc822; jonas@kwiboo.se, smtp.forwardemail.net, 121.127.44.59 X-Forward-Email-Version: 0.4.40 X-Forward-Email-Website: https://forwardemail.net X-Complaints-To: abuse@forwardemail.net X-Report-Abuse: abuse@forwardemail.net X-Report-Abuse-To: abuse@forwardemail.net From: Jonas Karlman To: Heiko Stuebner , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Yao Zi , linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jonas Karlman Subject: [PATCH v2 4/4] arm64: dts: rockchip: Add maskrom button to Radxa E20C Date: Tue, 4 Mar 2025 20:16:37 +0000 Message-ID: <20250304201642.831218-5-jonas@kwiboo.se> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250304201642.831218-1-jonas@kwiboo.se> References: <20250304201642.831218-1-jonas@kwiboo.se> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Radxa E20C has two buttons, one SARADC maskrom button and one GPIO user button. Add support for the maskrom button using a adc-keys node, also add the regulators used by SARADC controller. Signed-off-by: Jonas Karlman --- v2: No change --- .../boot/dts/rockchip/rk3528-radxa-e20c.dts | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts b/arch/arm6= 4/boot/dts/rockchip/rk3528-radxa-e20c.dts index b378774d2a4e..5346ef457c2a 100644 --- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts +++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts @@ -19,6 +19,20 @@ chosen { stdout-path =3D "serial0:1500000n8"; }; =20 + adc-keys { + compatible =3D "adc-keys"; + io-channels =3D <&saradc 0>; + io-channel-names =3D "buttons"; + keyup-threshold-microvolt =3D <1800000>; + poll-interval =3D <100>; + + button-maskrom { + label =3D "MASKROM"; + linux,code =3D ; + press-threshold-microvolt =3D <0>; + }; + }; + gpio-keys { compatible =3D "gpio-keys"; pinctrl-names =3D "default"; @@ -61,6 +75,35 @@ led-wan { linux,default-trigger =3D "netdev"; }; }; + + vcc_1v8: regulator-1v8-vcc { + compatible =3D "regulator-fixed"; + regulator-name =3D "vcc_1v8"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt =3D <1800000>; + regulator-max-microvolt =3D <1800000>; + vin-supply =3D <&vcc_3v3>; + }; + + vcc_3v3: regulator-3v3-vcc { + compatible =3D "regulator-fixed"; + regulator-name =3D "vcc_3v3"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + vin-supply =3D <&vcc5v0_sys>; + }; + + vcc5v0_sys: regulator-5v0-vcc-sys { + compatible =3D "regulator-fixed"; + regulator-name =3D "vcc5v0_sys"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt =3D <5000000>; + regulator-max-microvolt =3D <5000000>; + }; }; =20 &pinctrl { @@ -85,6 +128,11 @@ wan_led_g: wan-led-g { }; }; =20 +&saradc { + vref-supply =3D <&vcc_1v8>; + status =3D "okay"; +}; + &uart0 { pinctrl-names =3D "default"; pinctrl-0 =3D <&uart0m0_xfer>; --=20 2.48.1