From mboxrd@z Thu Jan 1 00:00:00 1970 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 D7E9825CC6E for ; Thu, 27 Feb 2025 18:41:33 +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=1740681695; cv=none; b=mgdlBEtFdgrZlVUmjRHU/WQlH75iMHxzyXp8cmh9ZiZtpTvPCrRvtPTEfgumMVF0Yiba9gJLQw9BUiaaPmfo3aLC2dNvU6LBVl+VaxB/Vw70iVQbLBtyjSM7RbAdCl88RhiwEgD6j/09eNG3zJ077w7h3b+fQ8yaf1w+LiayMBg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740681695; c=relaxed/simple; bh=tapKa4ENwa3OBlIjhb4jmk2jsNXPicM6WS6wpGM88bI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Kc6Gq1BEMt9Cbf7MsgPi8gSRojGUZLCIibMfP2zUpHAYd1vEQlshPX2FEvUj4M9YwL+LsWHP3B4Lwuy+gAO/Dz8QNnBdtZQ7qgW+00ojWvUn4i+UvRbxadHF0OLjtOUNPXUp9OY4X2/O9JgEaec7sInSLDN2xIVuZZwGR4it0f8= 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=NBqM4qid; 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="NBqM4qid" 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> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 { -- 2.48.1