From patchwork Wed Jul 21 08:39:08 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: 12390317 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,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 7B463C07E9B for ; Wed, 21 Jul 2021 08:39:39 +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 1339261221 for ; Wed, 21 Jul 2021 08:39:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1339261221 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=o8yMHDD5s7irtc/UzNb1sBqoTc4p6Q/jq7WJGfzmpnE=; b=gp6Eiv6traE2ZK Rga9PcKSk9CgAzli0sKu0lrAqZmbMPZpBjZV7DD6ATYcZlzt88PuJ3f/6mScBUk/yRzZfjw2jSy/V QoJpAmhKMZTfJqouurY2en9IXKRKdaqHrJA/+USAWaB9+r6d1es225zRzZFucuh8Xw4U3EzUUNiMr 7mXnB3/1akIcGEH5Oz5wsCGggO1n9uZiBH/aFno4AhEXDKVsSNQ9rHBx7I7u6+izeZaSvUsohn3ld OPjt8oy6m4g3DsO27OOHUfde7z8Pd7WJQrURbwgfBlZukGNgnvRBbkWS8dWARys9NxFdrO/9mS1nI TEib1pTCLsJk9DdMr4/g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m67lS-00EwL4-J2; Wed, 21 Jul 2021 08:39:38 +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 1m67lA-00EwD3-Ku for linux-phy@lists.infradead.org; Wed, 21 Jul 2021 08:39:22 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7BC6D6120D; Wed, 21 Jul 2021 08:39:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626856759; bh=eT62F16m4fmnu9+ZtQ5I8OSRvrVJgO8LuBY471amLVk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Br++L+BMZpXlfIiTwaiiu5mB4JjjUqyv6G64sI0V1bbQyS9c+PeZ0m7ZhzDuddfcf w3au81XBOfLEPCPavw40MZC1PdGN922M25MJaMAvcw4w/3WoRxzPh0iVbbN4oAMebN bvwpBsPghVG1CtVYDrwfuNXJdeNwOyMCvQEmEdObHqx07TDW72HWe7vILxB9qrARCm d6P+AS3tsD3qBsyu1mfKn/vihaIU2hB/tQMVLU4htAVv3sVz4tbOP7uSrbnxciigJ6 FUaKlhcQIweW7Aay5dm6UnwsNqO0BMHjNTozFZIFvwCvilYRnKBRBy7BEu4acJrYZx dzQzuwCB6hyKQ== Received: by mail.kernel.org with local (Exim 4.94.2) (envelope-from ) id 1m67l5-0022de-GT; Wed, 21 Jul 2021 10:39:15 +0200 From: Mauro Carvalho Chehab To: Vinod Koul , Bjorn Helgaas , Rob Herring Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Kishon Vijay Abraham I , Rob Herring , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org Subject: [PATCH v7 06/10] dt-bindings: phy: Add bindings for HiKey 970 PCIe PHY Date: Wed, 21 Jul 2021 10:39:08 +0200 Message-Id: <946f2426bc542638240980931eae924c57f2ba27.1626855713.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-20210721_013920_758412_106AAC18 X-CRM114-Status: GOOD ( 11.46 ) 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 Signed-off-by: Mauro Carvalho Chehab --- .../phy/hisilicon,phy-hi3670-pcie.yaml | 95 +++++++++++++++++++ 1 file changed, 95 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..a5ea13332cac --- /dev/null +++ b/Documentation/devicetree/bindings/phy/hisilicon,phy-hi3670-pcie.yaml @@ -0,0 +1,95 @@ +# 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 + - clocks + - clock-names + - reset-gpios + - clkreq-gpios + - hisilicon,eye-diagram-param + - phy-supply + +additionalProperties: false + +examples: + - | + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + pcie_phy: pcie-phy@fc000000 { + compatible = "hisilicon,hi970-pcie-phy"; + reg = <0x0 0xfc000000 0x0 0x80000>; + #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>; + }; + };