From patchwork Fri Mar 8 12:52:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 13586807 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 D57C3C54E41 for ; Fri, 8 Mar 2024 12:52:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ZsvkZCjF0pwvYPB2J7Js3qaX2Xj3zwVyaZL0nw1ypNc=; b=bLyWCUppkexL6I iKRxesH2owHR0z1rn/HJQ1pHM+lFjw4ziuixu4ryqdf4xDKc2ILQhwFTwVIaMCNkIY94jH1UUlEjW LvlbHmL4i052kHbszVL3DeVs8F4UZM31q+7JxDZ7I7/2krMNoCZjaOMrrwdwP1HxFwiX5QaUnLE9X Q8nNeiITaS8XP0Vxd9Wk77a1ZbpsMLl7hThFm1FiMXuxxZHps5wOOcIhUQV2KPS+gVFH0AVUSoFSX ncUhpBum4qIeQMlM8xY+Ng3tWZGbfaewllQoOREMK077csjMROiULd720uLrn1iDOwp0tp+U/WxuA /RgQQ/hLFtsKHjNe9HYw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1riZiD-00000009BdM-1wU7; Fri, 08 Mar 2024 12:52:33 +0000 Received: from smtp-1909.mail.infomaniak.ch ([185.125.25.9]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1riZi1-00000009BX8-2MyA for linux-arm-kernel@lists.infradead.org; Fri, 08 Mar 2024 12:52:25 +0000 Received: from smtp-3-0001.mail.infomaniak.ch (smtp-3-0001.mail.infomaniak.ch [10.4.36.108]) by smtp-4-3000.mail.infomaniak.ch (Postfix) with ESMTPS id 4TrmKF3HfCztpY; Fri, 8 Mar 2024 13:52:17 +0100 (CET) Received: from unknown by smtp-3-0001.mail.infomaniak.ch (Postfix) with ESMTPA id 4TrmKD63f6zMppDY; Fri, 8 Mar 2024 13:52:16 +0100 (CET) From: Quentin Schulz Date: Fri, 08 Mar 2024 13:52:10 +0100 Subject: [PATCH 3/3] arm64: dts: rockchip: add regulators for PCIe on RK3399 Puma Haikou MIME-Version: 1.0 Message-Id: <20240308-puma-diode-pu-v1-3-2b38457bcdc0@theobroma-systems.com> References: <20240308-puma-diode-pu-v1-0-2b38457bcdc0@theobroma-systems.com> In-Reply-To: <20240308-puma-diode-pu-v1-0-2b38457bcdc0@theobroma-systems.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner Cc: Klaus Goger , Quentin Schulz , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Quentin Schulz X-Mailer: b4 0.13.0 X-Infomaniak-Routing: alpha X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240308_045221_940388_213B5A2D X-CRM114-Status: GOOD ( 10.25 ) 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 From: Quentin Schulz The PCIe PHY requires two regulators and are present on the SoM directly, while the PCIe connector also exposes 3V3 and 12V power rails which are available on the baseboard. Considering that 3/4 regulators are always-on on HW level and that the last one depends on a regulator from the PMIC that is specified as always on, this commit should be purely cosmetic and no change in behavior is expected. Let's add all regulators for PCIe on RK3399 Puma Haikou. Signed-off-by: Quentin Schulz Reviewed-by: Dragan Simic --- .../arm64/boot/dts/rockchip/rk3399-puma-haikou.dts | 2 ++ arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi | 26 ++++++++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts index 18a98c4648eae..66ebb148bbc9a 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts @@ -194,6 +194,8 @@ &pcie0 { num-lanes = <4>; pinctrl-names = "default"; pinctrl-0 = <&pcie_clkreqn_cpm>; + vpcie3v3-supply = <&vcc3v3_baseboard>; + vpcie12v-supply = <&dc_12v>; status = "okay"; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi index 2484ad2bd86fc..1113f57b09313 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi @@ -79,6 +79,26 @@ vcc5v0_sys: vcc5v0-sys { regulator-max-microvolt = <5000000>; }; + vcca0v9: vcca0v9-regulator { + compatible = "regulator-fixed"; + regulator-name = "vcca0v9"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <900000>; + vin-supply = <&vcc_1v8>; + }; + + vcca1v8: vcca1v8-regulator { + compatible = "regulator-fixed"; + regulator-name = "vcca1v8"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + vin-supply = <&vcc3v3_sys>; + }; + vdd_log: vdd-log { compatible = "pwm-regulator"; pwms = <&pwm2 0 25000 1>; @@ -416,6 +436,12 @@ &io_domains { gpio1830-supply = <&vcc_1v8>; }; +&pcie0 { + /* PCIe PHY supplies */ + vpcie0v9-supply = <&vcca0v9>; + vpcie1v8-supply = <&vcca1v8>; +}; + &pcie_clkreqn_cpm { rockchip,pins = <2 RK_PD2 RK_FUNC_GPIO &pcfg_pull_up>;