From patchwork Fri Mar 26 19:18:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jim Quinlan X-Patchwork-Id: 1458942 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=M65o9wpZ; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4F6Wy22Fsgz9sVb for ; Sat, 27 Mar 2021 06:19:54 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230139AbhCZTTV (ORCPT ); Fri, 26 Mar 2021 15:19:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57984 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230003AbhCZTTP (ORCPT ); Fri, 26 Mar 2021 15:19:15 -0400 Received: from mail-ed1-x534.google.com (mail-ed1-x534.google.com [IPv6:2a00:1450:4864:20::534]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5AA2DC0613AA; Fri, 26 Mar 2021 12:19:15 -0700 (PDT) Received: by mail-ed1-x534.google.com with SMTP id bx7so7494312edb.12; Fri, 26 Mar 2021 12:19:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=+IPVj252zmGnilvXPoux9mM7JML4v4YjgYWvZk+Qg4U=; b=M65o9wpZ7SLprYx/zb2EPO7FAOIQ/Ty797VhdcmceWkngcB+7pSHLzISYrf3KdX2EJ b1WgI02uIFpufwzhj9kNHii/rU+v5v5Uk5tZjx6JPr9Fiq3pN9PpLn+m4vNnpm5OxxuU xHBzZFYOKyFBldoS+9PRcjknxEhEZNu9Zdzf76CbZJKIqoefGiE7HZTc6QDwG9jDqcyj 24o/euWDynZckw56Wg+ay04JD0waBBOpkjVpV/GLf8KgY+e8gS79+D/wt+SJwNNubbTr 32lfhaXGL6OEmvQ3d16pis2y3VPDfXhqS7bz5e7Ko1JzcVE9sfVV/0Ru3tHDJggRU2h3 aPDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=+IPVj252zmGnilvXPoux9mM7JML4v4YjgYWvZk+Qg4U=; b=abhE9fK1blhrdRpYBcYaSfNpeuqcvouXzPI0gRDQiraYvtgO5sE2ajqqRZQBJhiDhi m854HPUS+d1eQ+6kwAnT0bKVWb48HVuoXvMyVbImjxafPBaYLM6iZ5nzgf5DOrulxJYr IQaBwhdEyamPsZDGtKeGSkOwJ/HDUqwatzKg+UYE4+q++6xI+l3GeT6js8NPpT8067vs i22DCYrsghca2o1T9wTeq5A6j4j5RXcD3qJRIOVuIygEkn5XiInCJIZXjqSQc6xQeFsW A2xVceX/XGisfmax91MRSVmSBo35BAkPYqR6lmY92si0PMV7zQBCLmH/0BmI+5J0yc/i nsWg== X-Gm-Message-State: AOAM533Hkwmv1spM9O6xGuV3kfDc0iOv0rmjDMPD29R2ofV3OIa5YYHv UwCAIvL0f/QzIS9RszreHmEjJYLttWs= X-Google-Smtp-Source: ABdhPJyvLnIpJVd3BHSpVbYfUnsyrfxd4BC0VTfFm56gk4m+fLdCqZ59Z2z/T/FPInS7MN7t71wVkg== X-Received: by 2002:aa7:cd54:: with SMTP id v20mr16928005edw.80.1616786353794; Fri, 26 Mar 2021 12:19:13 -0700 (PDT) Received: from stbsrv-and-01.and.broadcom.net ([192.19.231.250]) by smtp.gmail.com with ESMTPSA id c19sm4739373edu.20.2021.03.26.12.19.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Mar 2021 12:19:13 -0700 (PDT) From: Jim Quinlan To: linux-pci@vger.kernel.org, Nicolas Saenz Julienne , Rob Herring , Mark Brown , bcm-kernel-feedback-list@broadcom.com, jim2101024@gmail.com, james.quinlan@broadcom.com Cc: Florian Fainelli , Bjorn Helgaas , Rob Herring , linux-rpi-kernel@lists.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE), linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH v3 1/6] dt-bindings: PCI: Add bindings for Brcmstb EP voltage regulators Date: Fri, 26 Mar 2021 15:18:59 -0400 Message-Id: <20210326191906.43567-2-jim2101024@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210326191906.43567-1-jim2101024@gmail.com> References: <20210326191906.43567-1-jim2101024@gmail.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Similar to the regulator bindings found in "rockchip-pcie-host.txt", this allows optional regulators to be attached and controlled by the PCIe RC driver. That being said, this driver searches in the DT subnode (the EP node, eg pci@0,0) for the regulator property. The use of a regulator property in the pcie EP subnode such as "vpcie12v-supply" depends on a pending pullreq to the pci-bus.yaml file at https://github.com/devicetree-org/dt-schema/pull/54 Signed-off-by: Jim Quinlan --- Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml index f90557f6deb8..ea3e6f55e365 100644 --- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml @@ -156,5 +156,11 @@ examples: <0x42000000 0x1 0x80000000 0x3 0x00000000 0x0 0x80000000>; brcm,enable-ssc; brcm,scb-sizes = <0x0000000080000000 0x0000000080000000>; + + pcie-ep@0,0 { + reg = <0x0 0x0 0x0 0x0 0x0>; + compatible = "pci14e4,1688"; + vpcie12v-supply: <&vreg12>; + }; }; };