From patchwork Tue Apr 1 12:00:20 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chukun Pan X-Patchwork-Id: 14034738 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 59100C36010 for ; Tue, 1 Apr 2025 12:07:43 +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=FUTsFWYbEYUYZqbcmytUbinnynZ+JcftgHCPwZvtSm4=; b=PNvpWTTQAT9F9kcwzLjmGG79tr brrXN/RUb3NQ1SQg3BqEUym/3v7UZ5OlGR2h08c0svQK7beQ1o5qxdD4gWH29/ByxDmq5PryYSCiF SDubhJtcS7pIcx75AhnRvHCJhSzx8ZrB73Hcsz8CrNwpONnXw5vx+EAkVgIvcGsn2aa728Ylaf+K1 uXxJ1MtEo62iRghxkhA7gg1Akg+QiTKVmqI5X+aSgjdzXd99QV44LbomBb+/bW2vk8X0/SXKL2FrE bUHbBxl3AJ7a+GD8gx7sGdjCb8PXFdPsfqrUtsrbve1rmlamz/7URnpgo+LuAz1XBIFb7VAkIssGT 3m0t9yGw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.1 #2 (Red Hat Linux)) id 1tzaOx-00000002vrE-3qtf; Tue, 01 Apr 2025 12:07:31 +0000 Received: from mail-m49198.qiye.163.com ([45.254.49.198]) by bombadil.infradead.org with esmtps (Exim 4.98.1 #2 (Red Hat Linux)) id 1tzaIA-00000002sS2-4AAm; Tue, 01 Apr 2025 12:00:32 +0000 Received: from amadeus-Vostro-3710.lan (unknown [IPV6:240e:3b3:2c00:430:ae31:3177:4f09:da96]) by smtp.qiye.163.com (Hmail) with ESMTP id 1053fa3f3; Tue, 1 Apr 2025 20:00:28 +0800 (GMT+08:00) From: Chukun Pan To: Heiko Stuebner Cc: Yao Zi , Rob Herring , Chukun Pan , Jonas Karlman , Conor Dooley , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v3 2/2] arm64: dts: rockchip: Enable regulators for Radxa E20C Date: Tue, 1 Apr 2025 20:00:20 +0800 Message-Id: <20250401120020.976343-3-amadeus@jmu.edu.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20250401120020.976343-1-amadeus@jmu.edu.cn> References: <20250401120020.976343-1-amadeus@jmu.edu.cn> MIME-Version: 1.0 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFITzdXWS1ZQUlXWQ8JGhUIEh9ZQVlDS01KVkpMShpNS0xKHUNOSFYeHw5VEwETFhoSFy QUDg9ZV1kYEgtZQVlJT0seQUgZSEFJGEtLQU9IS0EaHkhKQUhKTExBTx1LQkEfGkJNWVdZFhoPEh UdFFlBWU9LSFVKS0lPT09LVUpLS1VLWQY+ X-HM-Tid: 0a95f1396fa003a2kunm1053fa3f3 X-HM-MType: 10 X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6MlE6Ohw4QzJNCwoITD0*MBQy A08wCiNVSlVKTE9ITktDQ0lDQ0lDVTMWGhIXVRoWGh8eDgg7ERYOVR4fDlUYFUVZV1kSC1lBWUlP Sx5BSBlIQUkYS0tBT0hLQRoeSEpBSEpMTEFPHUtCQR8aQk1ZV1kIAVlBSExKTDcG X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250401_050031_332979_12B6409F X-CRM114-Status: UNSURE ( 9.25 ) X-CRM114-Notice: Please train this message. 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 Enable pwm and fixed regulators for Radxa E20C. The pwm regulator is used to power the CPU and GPU. Note that the LPDDR4 voltage is 1.1V. Signed-off-by: Chukun Pan --- .../boot/dts/rockchip/rk3528-radxa-e20c.dts | 73 +++++++++++++++++++ 1 file changed, 73 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts index 57a446b5cbd6..14770bd63ae7 100644 --- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts +++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts @@ -9,6 +9,7 @@ #include #include +#include #include "rk3528.dtsi" / { @@ -80,6 +81,26 @@ led-wan { }; }; + vdd_0v9: regulator-0v9-vdd { + compatible = "regulator-fixed"; + regulator-name = "vdd_0v9"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <900000>; + vin-supply = <&vcc5v0_sys>; + }; + + vcc_ddr: regulator-1v1-vcc-ddr { + compatible = "regulator-fixed"; + regulator-name = "vcc_ddr"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + vin-supply = <&vcc5v0_sys>; + }; + vcc_1v8: regulator-1v8-vcc { compatible = "regulator-fixed"; regulator-name = "vcc_1v8"; @@ -108,6 +129,46 @@ vcc5v0_sys: regulator-5v0-vcc-sys { regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; }; + + vdd_arm: regulator-vdd-arm { + compatible = "pwm-regulator"; + pwms = <&pwm1 0 5000 PWM_POLARITY_INVERTED>; + pwm-supply = <&vcc5v0_sys>; + regulator-name = "vdd_arm"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <746000>; + regulator-max-microvolt = <1201000>; + regulator-settling-time-up-us = <250>; + }; + + vdd_logic: regulator-vdd-logic { + compatible = "pwm-regulator"; + pwms = <&pwm2 0 5000 PWM_POLARITY_INVERTED>; + pwm-supply = <&vcc5v0_sys>; + regulator-name = "vdd_logic"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <705000>; + regulator-max-microvolt = <1006000>; + regulator-settling-time-up-us = <250>; + }; +}; + +&cpu0 { + cpu-supply = <&vdd_arm>; +}; + +&cpu1 { + cpu-supply = <&vdd_arm>; +}; + +&cpu2 { + cpu-supply = <&vdd_arm>; +}; + +&cpu3 { + cpu-supply = <&vdd_arm>; }; &pinctrl { @@ -132,6 +193,18 @@ wan_led_g: wan-led-g { }; }; +&pwm1 { + pinctrl-names = "default"; + pinctrl-0 = <&pwm1m0_pins>; + status = "okay"; +}; + +&pwm2 { + pinctrl-names = "default"; + pinctrl-0 = <&pwm2m0_pins>; + status = "okay"; +}; + &saradc { vref-supply = <&vcc_1v8>; status = "okay";