From patchwork Tue Jul 20 08:09:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 12387705 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=-18.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 2D4B7C07E95 for ; Tue, 20 Jul 2021 08:09:24 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id DB7A26120F for ; Tue, 20 Jul 2021 08:09:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DB7A26120F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org 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:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ITryMCBfILdl4Cm87ibuIQuRqGioPpUIdx7S7sC84t0=; b=eRLUD47s5XOoVz +7vqZTtMbQESoI6M/0YQqO9qA6WeeYLm0GPGjEDKMQ01YB+led2EtGmZc9X8aNKKOJUmkVz0s9YFA 0fkHGE78fhRELbZqBSAiUflI67eoN6ptJnNnYtdSW98ggJz362yMnKQhEUtPXbh99coGQKDDM/r/i OPEClyDMxBbvKzc5J5wWcWS9OEBa7ClE/8xwz8spKMhjB2sYYtafbOYj9BO4s8a6IEtcS3YfivrN/ W9htCiH5h4ECoJcw8c9+0FY79gC+v5vi53LoP5J5zCcfQlhU7TTyYh/UnGR0aBwa4d4r7z/PId+bi eYxyieEe5DUGgwgFQVQA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m5kod-00CAHI-Bq; Tue, 20 Jul 2021 08:09:23 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1m5koa-00CAEY-Ah for linux-phy@lists.infradead.org; Tue, 20 Jul 2021 08:09:22 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 73681611ED; Tue, 20 Jul 2021 08:09:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626768559; bh=69owpJSeKLLbkKV1UESYM8I5uYDlltnRXTuUGkqjmK8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZmeraAygguXGQpxcwp72aIVVCk5NtCeP+IXsDnyPV28hyH+fVBVASHqM0knnH/8Hh EEzTZ5QgTt2Co85dm78hXqQZWiJnS+9X5pigfywnqtl9Ejex4yAp/EEL0TrQLTb8VS pwpVDWwwCX/2dFKiCny0bdbV2lkIDhdWvrs4hfocj9I07sCSo4PQTnkHdCLRcXJfTx my/78SylQrGlb2XNneOWTTqo0h6qDv9OTjP3xRYnZ7GEfboaq0ISzjoKZjctt2qHWK qVDFn0sMPqwa2LKmsvH0KRB5tQDyU5M7SHvpO9Vwj3TWe0gfRmer7FJU3ONGP8TV5a iu0OIjUqL/Chw== Received: by mail.kernel.org with local (Exim 4.94.2) (envelope-from ) id 1m5koX-000eTR-L3; Tue, 20 Jul 2021 10:09:17 +0200 From: Mauro Carvalho Chehab To: Bjorn Helgaas , Rob Herring Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Kishon Vijay Abraham I , Rob Herring , Vinod Koul , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org Subject: [PATCH v6 5/9] dt-bindings: phy: Add bindings for HiKey 970 PCIe PHY Date: Tue, 20 Jul 2021 10:09:07 +0200 Message-Id: <04943d3dff73e2fd5c9336540cb31d70ccf7b9cf.1626768323.git.mchehab+huawei@kernel.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210720_010920_472849_B0425532 X-CRM114-Status: GOOD ( 11.03 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Document the bindings for HiKey 970 (hi3670) PCIe PHY interface, supported via the pcie-kirin driver. Signed-off-by: Mauro Carvalho Chehab --- .../phy/hisilicon,phy-hi3670-pcie.yaml | 98 +++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/hisilicon,phy-hi3670-pcie.yaml diff --git a/Documentation/devicetree/bindings/phy/hisilicon,phy-hi3670-pcie.yaml b/Documentation/devicetree/bindings/phy/hisilicon,phy-hi3670-pcie.yaml new file mode 100644 index 000000000000..f88b6b7496bb --- /dev/null +++ b/Documentation/devicetree/bindings/phy/hisilicon,phy-hi3670-pcie.yaml @@ -0,0 +1,98 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/hisilicon,phy-hi3670-pcie.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: HiSilicon Kirin970 PCIe PHY + +maintainers: + - Mauro Carvalho Chehab + +description: |+ + Bindings for PCIe PHY on HiSilicon Kirin 970. + +properties: + compatible: + const: hisilicon,hi970-pcie-phy + + "#phy-cells": + const: 0 + + reg: + maxItems: 1 + description: PHY Control registers + + phy-supply: + description: The PCIe PHY power supply + + clocks: + items: + - description: PCIe PHY clock + - description: PCIe AUX clock + - description: PCIe APB PHY clock + - description: PCIe APB SYS clock + - description: PCIe ACLK clock + + clock-names: + items: + - const: phy_ref + - const: aux + - const: apb_phy + - const: apb_sys + - const: aclk + + reset-gpios: + description: PCI PERST reset GPIOs + maxItems: 4 + + clkreq-gpios: + description: Clock request GPIOs + maxItems: 3 + + hisilicon,eye-diagram-param: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: Eye diagram for phy. + +required: + - "#phy-cells" + - compatible + - reg + - reg-names + - clocks + - clock-names + - reset-gpios + - clkreq-gpios + - hisilicon,eye-diagram-param + - phy-supply + +additionalProperties: false + +examples: + - | + #include + + bus { + #address-cells = <2>; + #size-cells = <2>; + pcie_phy: pcie-phy@fc000000 { + compatible = "hisilicon,hi970-pcie-phy"; + reg = <0x0 0xfc000000 0x0 0x80000>; + reg-names = "phy"; + #phy-cells = <0>; + phy-supply = <&ldo33>; + clocks = <&crg_ctrl HI3670_CLK_GATE_PCIEPHY_REF>, + <&crg_ctrl HI3670_CLK_GATE_PCIEAUX>, + <&crg_ctrl HI3670_PCLK_GATE_PCIE_PHY>, + <&crg_ctrl HI3670_PCLK_GATE_PCIE_SYS>, + <&crg_ctrl HI3670_ACLK_GATE_PCIE>; + clock-names = "phy_ref", "aux", + "apb_phy", "apb_sys", "aclk"; + reset-gpios = <&gpio7 0 0 >, <&gpio25 2 0 >, + <&gpio3 1 0 >, <&gpio27 4 0 >; + clkreq-gpios = <&gpio20 6 0 >, <&gpio27 3 0 >, <&gpio17 0 0 >; + hisilicon,eye-diagram-param = <0xFFFFFFFF 0xFFFFFFFF + 0xFFFFFFFF 0xFFFFFFFF 0xFFFFFFFF>; + }; + }; +...