From patchwork Fri Mar 8 15:46:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Quentin Schulz X-Patchwork-Id: 13586978 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 63080C5475B for ; Fri, 8 Mar 2024 15:46:47 +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=vdHtnkC5TZbKdSrol/AlpCtW1fXfsV+6HMvb6blqmQk=; b=aqYBWnPzakPXQ4 2EJhVZM2AW9gAlSXqutRKOAf+IStfXp5aGEPBH6W/lUjpSobrgN9Ek/RWUIVGEuSP/f1KyYYLjyRb AdgA85oHaXCNgpz9suM8n7O0nX312m5Wv3udK8LT8EOmVeonUGmTgbST7D5Yz41W9dLR1nh+4NvA6 MjOk6FfEBRpa374kW64mbhsDrFqAJp1nP61G4MRVfQN1LpOggLgzNM21IQeB523I5CcY60EUe+1pk Lfx17u3jpv9z6xYzSSRs/pjVYitsPmb399j9GP6uEu9mIlksYwvnagxgnJuFZLV062Vxnz09DhhIh WUe9a2eEQElykTOvuqmg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1ricQe-00000009xpD-0EhR; Fri, 08 Mar 2024 15:46:36 +0000 Received: from smtp-bc0d.mail.infomaniak.ch ([2001:1600:7:10::bc0d]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1ricQX-00000009xk5-1EK5 for linux-arm-kernel@lists.infradead.org; Fri, 08 Mar 2024 15:46:31 +0000 Received: from smtp-3-0000.mail.infomaniak.ch (smtp-3-0000.mail.infomaniak.ch [10.4.36.107]) by smtp-4-3000.mail.infomaniak.ch (Postfix) with ESMTPS id 4TrrBB2DqHz14Qt; Fri, 8 Mar 2024 16:46:26 +0100 (CET) Received: from unknown by smtp-3-0000.mail.infomaniak.ch (Postfix) with ESMTPA id 4TrrB9553Rzr7; Fri, 8 Mar 2024 16:46:25 +0100 (CET) From: Quentin Schulz Date: Fri, 08 Mar 2024 16:46:09 +0100 Subject: [PATCH v2 3/3] arm64: dts: rockchip: add regulators for PCIe on RK3399 Puma Haikou MIME-Version: 1.0 Message-Id: <20240308-puma-diode-pu-v2-3-309f83da110a@theobroma-systems.com> References: <20240308-puma-diode-pu-v2-0-309f83da110a@theobroma-systems.com> In-Reply-To: <20240308-puma-diode-pu-v2-0-309f83da110a@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 , Dragan Simic 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_074629_523100_25A79410 X-CRM114-Status: GOOD ( 10.29 ) 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. Reviewed-by: Dragan Simic Signed-off-by: Quentin Schulz --- .../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..ccbe3a7a1d2c2 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>; }; + vcca_0v9: vcca-0v9-regulator { + compatible = "regulator-fixed"; + regulator-name = "vcca_0v9"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <900000>; + vin-supply = <&vcc_1v8>; + }; + + vcca_1v8: vcca-1v8-regulator { + compatible = "regulator-fixed"; + regulator-name = "vcca_1v8"; + 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 = <&vcca_0v9>; + vpcie1v8-supply = <&vcca_1v8>; +}; + &pcie_clkreqn_cpm { rockchip,pins = <2 RK_PD2 RK_FUNC_GPIO &pcfg_pull_up>;