From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 714A9C3A59E for ; Mon, 2 Sep 2019 10:48:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5423E217F4 for ; Mon, 2 Sep 2019 10:48:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731073AbfIBKsA (ORCPT ); Mon, 2 Sep 2019 06:48:00 -0400 Received: from foss.arm.com ([217.140.110.172]:52000 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729806AbfIBKr7 (ORCPT ); Mon, 2 Sep 2019 06:47:59 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 9561928; Mon, 2 Sep 2019 03:47:58 -0700 (PDT) Received: from localhost (unknown [10.37.6.20]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D76F03F246; Mon, 2 Sep 2019 03:47:57 -0700 (PDT) Date: Mon, 2 Sep 2019 11:47:56 +0100 From: Andrew Murray To: Vidya Sagar Cc: lorenzo.pieralisi@arm.com, bhelgaas@google.com, robh+dt@kernel.org, thierry.reding@gmail.com, jonathanh@nvidia.com, kishon@ti.com, gustavo.pimentel@synopsys.com, digetx@gmail.com, mperttunen@nvidia.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kthota@nvidia.com, mmaddireddy@nvidia.com, sagar.tv@gmail.com Subject: Re: [PATCH V3 6/6] arm64: tegra: Add PCIe slot supply information in p2972-0000 platform Message-ID: <20190902104756.GE9720@e119886-lin.cambridge.arm.com> References: <20190828172850.19871-1-vidyas@nvidia.com> <20190828172850.19871-7-vidyas@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190828172850.19871-7-vidyas@nvidia.com> User-Agent: Mutt/1.10.1+81 (426a6c1) (2018-08-26) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 28, 2019 at 10:58:50PM +0530, Vidya Sagar wrote: > Add 3.3V and 12V supplies regulators information of x16 PCIe slot in > p2972-0000 platform which is owned by C5 controller and also enable C5 > controller. > > Signed-off-by: Vidya Sagar Reviewed-by: Andrew Murray > --- > V3: > * None > > V2: > * None > > .../arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 24 +++++++++++++++++++ > .../boot/dts/nvidia/tegra194-p2972-0000.dts | 4 +++- > 2 files changed, 27 insertions(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi > index 62e07e1197cc..4c38426a6969 100644 > --- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi > +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi > @@ -289,5 +289,29 @@ > gpio = <&gpio TEGRA194_MAIN_GPIO(A, 3) GPIO_ACTIVE_HIGH>; > enable-active-high; > }; > + > + vdd_3v3_pcie: regulator@2 { > + compatible = "regulator-fixed"; > + reg = <2>; > + > + regulator-name = "PEX_3V3"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + gpio = <&gpio TEGRA194_MAIN_GPIO(Z, 2) GPIO_ACTIVE_HIGH>; > + regulator-boot-on; > + enable-active-high; > + }; > + > + vdd_12v_pcie: regulator@3 { > + compatible = "regulator-fixed"; > + reg = <3>; > + > + regulator-name = "VDD_12V"; > + regulator-min-microvolt = <1200000>; > + regulator-max-microvolt = <1200000>; > + gpio = <&gpio TEGRA194_MAIN_GPIO(A, 1) GPIO_ACTIVE_LOW>; > + regulator-boot-on; > + enable-active-low; > + }; > }; > }; > diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts > index 23597d53c9c9..d47cd8c4dd24 100644 > --- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts > +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts > @@ -93,9 +93,11 @@ > }; > > pcie@141a0000 { > - status = "disabled"; > + status = "okay"; > > vddio-pex-ctl-supply = <&vdd_1v8ao>; > + vpcie3v3-supply = <&vdd_3v3_pcie>; > + vpcie12v-supply = <&vdd_12v_pcie>; > > phys = <&p2u_nvhs_0>, <&p2u_nvhs_1>, <&p2u_nvhs_2>, > <&p2u_nvhs_3>, <&p2u_nvhs_4>, <&p2u_nvhs_5>, > -- > 2.17.1 >