From patchwork Thu Feb 27 18:40:53 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonas Karlman X-Patchwork-Id: 13995139 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 F2D70C197BF for ; Thu, 27 Feb 2025 19:43:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=s93DVQw7mxnKm1FF8Qp0m/jdL1ibX/tkeVAq5jEabpM=; b=y2sAQewzmdNhJ6 FXwMIpcugUSwmHtDFPUGiTdATc90EhJNCp84uH28lwaI47PCFL5eiXWHa4UZWaMNncmiQf8zLLLUM XcO3I6q2EWJKHH/h/Q/xiqNsOZGzmnwjG4FuHaaufqRwpgBdqdRchaLtDIFbdMlnE33m+RMez0aKy bOX87+KiUpiU4658ANJpaUjGmvQxSj2oxJAYXt/6v8sHHziuI8iTOKbhbHAtTZ9DhOAnf3jhsRzD4 4UxoMUabrS3TmVxuwZoh4R9tgDJKi7wANRODpZPMUX01o3rnw/IV0az91392vkDMGmyO2CvESUvVf e2k10MUol/jYUpvAbihw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tnjmg-00000008dtL-1IUO; Thu, 27 Feb 2025 19:43:02 +0000 Received: from smtp.forwardemail.net ([121.127.44.59]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tnipB-00000008LTN-2wAm for linux-rockchip@lists.infradead.org; Thu, 27 Feb 2025 18:41:35 +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=1740681693; bh=bnDwHn3VE/1QDoX5PmDpHlQdrc4Kek1m+Wmq70y11Yg=; b=NBqM4qidq/tKl1rLyHAw6yL8e40xXGp8JWxgtAaFpf3gbe9rTrCYfBVhcJa0+tf3u6evneI0j 13OrUozS/vBmwjEJnUUiZOmdXUOOhAVMAX3UOzFTuARsyNkRz3cKTMOlwE0wm3Pe90eblUvf3Xu jA3tpNPUcNOjvBHSFCUUVLUROp3LHszgUa+6UEBQs8wE6LhGO+bHAVnTp79xnvgoY9+fTkZeEHV /HJDs8Q+ZEhrisx4h7nZrE0Eigfe7QZ1Opkzto8b5zXGkBlJatgaK2VKVx595BHTO8Uheuk7jpm 63ju8ROa7hRGbJOInrWx9I5sMLNIxdpc6g4ecd6Jh4xA== X-Forward-Email-ID: 67c0b1dabf572996e86214e5 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: Jonathan Cameron , Lars-Peter Clausen , Yao Zi , linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-iio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jonas Karlman Subject: [PATCH 4/4] arm64: dts: rockchip: Add adc-keys node to Radxa E20C Date: Thu, 27 Feb 2025 18:40:53 +0000 Message-ID: <20250227184058.2964204-5-jonas@kwiboo.se> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250227184058.2964204-1-jonas@kwiboo.se> References: <20250227184058.2964204-1-jonas@kwiboo.se> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250227_104133_828413_7A185386 X-CRM114-Status: UNSURE ( 9.68 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=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 --- .../boot/dts/rockchip/rk3528-radxa-e20c.dts | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts index d2cdb63d4a9d..dcc0b2584bbc 100644 --- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts +++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts @@ -6,6 +6,8 @@ */ /dts-v1/; + +#include #include "rk3528.dtsi" / { @@ -15,6 +17,54 @@ / { 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>; + }; + }; + + 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>; + }; +}; + +&saradc { + vref-supply = <&vcc_1v8>; + status = "okay"; }; &uart0 {