From patchwork Tue Mar 4 20:16:37 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonas Karlman X-Patchwork-Id: 14001386 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EF844C282D0 for ; Tue, 4 Mar 2025 21:04:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=VymoCBuQbJVOZiQ8kCmp23B7JKJ6M1aDwHI+dP/rK28=; b=PHIGorHJkxWe+vtVPfproOrF/Q iIyJ29rZkwjY+qiXwFNu/dpz5b6Ay50Bl4Pp2KmMYlRDFhX7SKasL2ZQBiz4Ir8DyeS11eD3JsZwc FydsHlnlMQFYudd4/8EdmeItFVNrJuScnaUEA4DJzMKHYLOFPPD8V0AySGOCTJA+CT4e5CNUPzjDG 3cJEeUrIb3vgB4fyJd3OlDckC8pciqsyYKoKIIEsL3bq3sZo6ilQE8z762JnFyPkzkQRT45gUqbU6 SdG7sSlkd9RVdiA4HOE7KEC3oNiNWktMQC9MVdRx2YpErspQUeGsYd+B7zMaz/0gIeTZVv9XV1ZtW 23TPm/EA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tpZQx-00000006G5L-48Qk; Tue, 04 Mar 2025 21:04:11 +0000 Received: from smtp.forwardemail.net ([121.127.44.59]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tpZNo-00000006Ffi-1axf for linux-arm-kernel@lists.infradead.org; Tue, 04 Mar 2025 21:00:58 +0000 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=1741122055; bh=VymoCBuQbJVOZiQ8kCmp23B7JKJ6M1aDwHI+dP/rK28=; b=bzts/3BIpH+PbAoCuF59cxARnZpfv74jlYoEE/WeltA561mfKFMJUGiAAmTaI+6besWQBXG0i 0w571jaY4AuzuLnDP666WmffN8sHhWpUtsbtYnlYc7yc8X7LDhBd/LAGpGS36c0dzORRRg6pXnB 2l2Oa3mCCLhpbrsPdYxku8deVIJSHRFStbw26HfeOzxYbmTjB8a7s+ai8XeTmxXrb08lpN2OnPe LwbPXTK9TRO5gXB7h7dZZBdm2a5gazA5SnB3JIh0E48KeJLPTDpo7Ssw2unZShcmTFNWGIiNXGk tximCOEDSa9yQ/eyw2LvjqW5xFvvf4fZIBQVhAutckCw== 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> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250304_130056_503762_106005FC X-CRM114-Status: GOOD ( 10.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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/arm64/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 = "serial0:1500000n8"; }; + adc-keys { + compatible = "adc-keys"; + io-channels = <&saradc 0>; + io-channel-names = "buttons"; + keyup-threshold-microvolt = <1800000>; + poll-interval = <100>; + + button-maskrom { + label = "MASKROM"; + linux,code = ; + press-threshold-microvolt = <0>; + }; + }; + gpio-keys { compatible = "gpio-keys"; pinctrl-names = "default"; @@ -61,6 +75,35 @@ led-wan { linux,default-trigger = "netdev"; }; }; + + vcc_1v8: regulator-1v8-vcc { + compatible = "regulator-fixed"; + regulator-name = "vcc_1v8"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + vin-supply = <&vcc_3v3>; + }; + + vcc_3v3: regulator-3v3-vcc { + compatible = "regulator-fixed"; + regulator-name = "vcc_3v3"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&vcc5v0_sys>; + }; + + vcc5v0_sys: regulator-5v0-vcc-sys { + compatible = "regulator-fixed"; + regulator-name = "vcc5v0_sys"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; }; &pinctrl { @@ -85,6 +128,11 @@ wan_led_g: wan-led-g { }; }; +&saradc { + vref-supply = <&vcc_1v8>; + status = "okay"; +}; + &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0m0_xfer>;