From patchwork Wed Dec 15 09:56:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yifeng Zhao X-Patchwork-Id: 12696229 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 08AF1C433EF for ; Wed, 15 Dec 2021 10:02:17 +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:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id: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=o+a6BtDnzZoFCouoP7BuCYXYIT5wfNdc8W9c7xF2hFU=; b=BinBnC0NETukGM FEDitC8Sl22A8P7ZchmR1NpUhb7TRDI9g+3egrerJFLgm81av2azADWFYh3FJoJdi4lVUSdbe/p5G zwFPUYMKVdCFPb710FGq6Ox79NFWgB6ytwiiqBIXk8WM809+mlUXiFIQk2QSC2m+e4Qvp/hSNqYk9 qVt+Q4poCKtOeWKPRG5mOqArBrrDWy1ZOW1H/aR0ZvD2nM5Ve/9oDsdHsS9An+VdD9Y2i3OcguuxM i5ktCvi0FvUmCmYZN0zwvfDBOJdNNQwzJKSnnraUjU1An3UQCforDOEaaWly23oai9eD0sdAwK180 It9wrg855+Sqp5t9JAkg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mxR5N-0003b9-8b; Wed, 15 Dec 2021 10:00:33 +0000 Received: from lucky1.263xmail.com ([211.157.147.132]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mxR2G-0002Bt-BU; Wed, 15 Dec 2021 09:57:23 +0000 Received: from localhost (unknown [192.168.167.223]) by lucky1.263xmail.com (Postfix) with ESMTP id 1D478FDFD6; Wed, 15 Dec 2021 17:57:12 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-ANTISPAM-LEVEL: 2 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P18835T140477477144320S1639562220094025_; Wed, 15 Dec 2021 17:57:11 +0800 (CST) X-IP-DOMAINF: 1 X-RL-SENDER: yifeng.zhao@rock-chips.com X-SENDER: zyf@rock-chips.com X-LOGIN-NAME: yifeng.zhao@rock-chips.com X-FST-TO: heiko@sntech.de X-RCPT-COUNT: 15 X-LOCAL-RCPT-COUNT: 3 X-MUTI-DOMAIN-COUNT: 0 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-UNIQUE-TAG: <7e09a493426c9099737eb22075673646> X-System-Flag: 0 From: Yifeng Zhao To: heiko@sntech.de Cc: robh+dt@kernel.org, jbx6244@gmail.com, devicetree@vger.kernel.org, vkoul@kernel.org, michael.riesch@wolfvision.net, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, kishon@ti.com, p.zabel@pengutronix.de, cl@rock-chips.com, kever.yang@rock-chips.com, Yifeng Zhao Subject: [PATCH v5 2/4] dt-bindings: phy: rockchip: Add Naneng combo PHY bindings Date: Wed, 15 Dec 2021 17:56:55 +0800 Message-Id: <20211215095657.13183-3-yifeng.zhao@rock-chips.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211215095657.13183-1-yifeng.zhao@rock-chips.com> References: <20211215095657.13183-1-yifeng.zhao@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211215_015720_871508_B6E26B8A X-CRM114-Status: GOOD ( 15.76 ) 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: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add the compatible strings for the Naneng combo PHY found on rockchip SoC. Reviewed-by: Rob Herring Signed-off-by: Yifeng Zhao Signed-off-by: Johan Jonker --- Changes in v5: - modify description for ssc and ext-refclk - remove apb reset Changes in v4: - restyle - remove some minItems - add more properties - remove reset-names - move #phy-cells - add rockchip,rk3568-pipe-grf - add rockchip,rk3568-pipe-phy-grf Changes in v3: None Changes in v2: - Fix dtschema/dtc warnings/errors .../phy/phy-rockchip-naneng-combphy.yaml | 126 ++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml b/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml new file mode 100644 index 000000000000..6b2db5e39f76 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml @@ -0,0 +1,126 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/phy-rockchip-naneng-combphy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip SoC Naneng Combo Phy Device Tree Bindings + +maintainers: + - Heiko Stuebner + +properties: + compatible: + enum: + - rockchip,rk3568-naneng-combphy + + reg: + maxItems: 1 + + clocks: + items: + - description: reference clock + - description: apb clock + - description: pipe clock + + clock-names: + items: + - const: ref + - const: apb + - const: pipe + + resets: + items: + - description: exclusive PHY reset line + + rockchip,dis-u3otg0-port: + type: boolean + description: + Disable the u3otg0 port. + + rockchip,dis-u3otg1-port: + type: boolean + description: + Disable the u3otg1 port. + + rockchip,enable-ssc: + type: boolean + description: + The option SSC can be enabled for U3, SATA and PCIE. + Most commercially available platforms use SSC to reduce EMI. + + rockchip,ext-refclk: + type: boolean + description: + Many PCIe connections, especially backplane connections, + require a synchronous reference clock between the two link partners. + To achieve this a common clock source, referred to as REFCLK in + the PCI Express Card Electromechanical Specification, + should be used by both ends of the PCIe link. + In PCIe mode, the reference clock can choose to use internal clock + or external clock. + By default, the internal clock is selected, The PCIe PHY provides + 100MHz differential clock output(optional with SSC) for system applications. + When selecting This option to used external reference clock, a externally + 100MHz differential clock is needs to be provided for PCIe PHY. + + rockchip,pipe-grf: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Some additional phy settings are accessed through GRF regs. + + rockchip,pipe-phy-grf: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Some additional pipe settings are accessed through GRF regs. + + rockchip,sgmii-mac-sel: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1] + default: 0 + description: + Select gmac0 or gmac1 to be used as SGMII controller. + + "#phy-cells": + const: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - rockchip,pipe-grf + - rockchip,pipe-phy-grf + - "#phy-cells" + +additionalProperties: false + +examples: + - | + #include + + pipegrf: syscon@fdc50000 { + compatible = "rockchip,rk3568-pipe-grf", "syscon"; + reg = <0xfdc50000 0x1000>; + }; + + pipe_phy_grf0: syscon@fdc70000 { + compatible = "rockchip,rk3568-pipe-phy-grf", "syscon"; + reg = <0xfdc70000 0x1000>; + }; + + combphy0: phy@fe820000 { + compatible = "rockchip,rk3568-naneng-combphy"; + reg = <0xfe820000 0x100>; + clocks = <&pmucru CLK_PCIEPHY0_REF>, + <&cru PCLK_PIPEPHY0>, + <&cru PCLK_PIPE>; + clock-names = "ref", "apb", "pipe"; + assigned-clocks = <&pmucru CLK_PCIEPHY0_REF>; + assigned-clock-rates = <100000000>; + resets = <&cru SRST_PIPEPHY0>; + rockchip,pipe-grf = <&pipegrf>; + rockchip,pipe-phy-grf = <&pipe_phy_grf0>; + #phy-cells = <1>; + };