From patchwork Sat May 14 11:59:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Wunderlich X-Patchwork-Id: 12849756 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BB9BCC433FE for ; Sat, 14 May 2022 12:00:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232064AbiENMAF (ORCPT ); Sat, 14 May 2022 08:00:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49700 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232036AbiENMAC (ORCPT ); Sat, 14 May 2022 08:00:02 -0400 Received: from mxout1.routing.net (mxout1.routing.net [IPv6:2a03:2900:1:a::a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B51B238; Sat, 14 May 2022 04:59:58 -0700 (PDT) Received: from mxbox3.masterlogin.de (unknown [192.168.10.78]) by mxout1.routing.net (Postfix) with ESMTP id D379D3FFD5; Sat, 14 May 2022 11:59:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailerdienst.de; s=20200217; t=1652529597; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=IAsHMgWaTeifT9oHZKT7MIkb2mXov9xmYNWYjnzFv4I=; b=KrRd5jdRTSSGat2gh6COzuHg1Dfm12wrxNRt7upHExngBZH0TPuDNNAlSE7egD7BgPRG+j I/LEJj+pC0cSyJTIJ7pOQ9yu2nO0CaMeM+SEX7Ust0Jz/NmAwMAFWIUySqXb1Im3DpBw9y Bu0ah4Dpl04NZNX+ZnGBTL9dnHkyPVc= Received: from localhost.localdomain (fttx-pool-217.61.148.252.bambit.de [217.61.148.252]) by mxbox3.masterlogin.de (Postfix) with ESMTPSA id DBC5B360696; Sat, 14 May 2022 11:59:55 +0000 (UTC) From: Frank Wunderlich To: linux-rockchip@lists.infradead.org Cc: Frank Wunderlich , Bjorn Helgaas , Rob Herring , Krzysztof Kozlowski , Heiko Stuebner , Kishon Vijay Abraham I , Vinod Koul , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Philipp Zabel , Johan Jonker , Peter Geis , Michael Riesch , linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org Subject: [RFC v3 1/5] dt-bindings: phy: rockchip: add PCIe v3 phy Date: Sat, 14 May 2022 13:59:42 +0200 Message-Id: <20220514115946.8858-2-linux@fw-web.de> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220514115946.8858-1-linux@fw-web.de> References: <20220514115946.8858-1-linux@fw-web.de> MIME-Version: 1.0 X-Mail-ID: 707fb3cc-767b-4f44-8e0e-2da81b096e9e Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: Frank Wunderlich Add a new binding file for Rockchip PCIe v3 phy driver. Signed-off-by: Frank Wunderlich Reviewed-by: Krzysztof Kozlowski --- v3: - drop quotes - drop rk3588 - make clockcount fixed to 3 - full path for binding header file - drop phy-mode and its header and add lane-map v2: dt-bindings: rename yaml for PCIe v3 rockchip-pcie3-phy.yaml => rockchip,pcie3-phy.yaml changes in pcie3 phy yaml - change clock names to ordered const list - extend pcie30-phymode description - add phy-cells to required properties - drop unevaluatedProperties - example with 1 clock each line - use default property instead of text describing it - update license --- .../bindings/phy/rockchip,pcie3-phy.yaml | 82 +++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/rockchip,pcie3-phy.yaml diff --git a/Documentation/devicetree/bindings/phy/rockchip,pcie3-phy.yaml b/Documentation/devicetree/bindings/phy/rockchip,pcie3-phy.yaml new file mode 100644 index 000000000000..ac82f551bbfb --- /dev/null +++ b/Documentation/devicetree/bindings/phy/rockchip,pcie3-phy.yaml @@ -0,0 +1,82 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/rockchip,pcie3-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip PCIe v3 phy + +maintainers: + - Heiko Stuebner + +properties: + compatible: + enum: + - rockchip,rk3568-pcie3-phy + + reg: + maxItems: 1 + + clocks: + minItems: 3 + maxItems: 3 + + clock-names: + items: + - const: refclk_m + - const: refclk_n + - const: pclk + + minItems: 3 + + lane-map: + description: which lanes (by position) should be mapped to which + controller (value). 0 means lane unused, higher value means used. + (controller-number +1 ) + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 2 + maxItems: 16 + items: + minimum: 0 + maximum: 16 + + "#phy-cells": + const: 0 + + resets: + maxItems: 1 + + reset-names: + const: phy + + rockchip,phy-grf: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle to the syscon managing the phy "general register files" + + rockchip,pipe-grf: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle to the syscon managing the pipe "general register files" + +required: + - compatible + - reg + - rockchip,phy-grf + - "#phy-cells" + +additionalProperties: false + +examples: + - | + #include + pcie30phy: phy@fe8c0000 { + compatible = "rockchip,rk3568-pcie3-phy"; + reg = <0x0 0xfe8c0000 0x0 0x20000>; + #phy-cells = <0>; + clocks = <&pmucru CLK_PCIE30PHY_REF_M>, + <&pmucru CLK_PCIE30PHY_REF_N>, + <&cru PCLK_PCIE30PHY>; + clock-names = "refclk_m", "refclk_n", "pclk"; + resets = <&cru SRST_PCIE30PHY>; + reset-names = "phy"; + rockchip,phy-grf = <&pcie30_phy_grf>; + };