From patchwork Fri Oct 25 17:39:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Drew Fustini X-Patchwork-Id: 13851310 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 2F3C4D149DB for ; Fri, 25 Oct 2024 18:25:01 +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:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=aNbL9+t63SAUiUfG/vYrnUm6yb5h6spwDOHCFdq+6Js=; b=dNu9hDSf2HcM3i i61JLUZZ0JuoZd6l46ATHxzaoAM95xiYZG7Yg6+YWVPjhC8kOghf0gCDY4nHJead1FcXryDHVuUoY IMVTq8W7D6+lABBOw4/3ThYzjH2HYIoARfwR91WISgdSObYUzkRRSdHJGGTHd/e1XlibcYqTCuhqY pS4tS9bM9bpr/oEmGLGm9H9MtnQf1qU3cQGhyspKxr6kDzoy1vtYY2doq7m7ZkgFAl/pGhPt3OSG4 wpjCgf/r86WoykiwGyBAzUHEn0EtlyjFYvSjeiFiwxm4s0iDbkT9dOTExwGCbKqKcGVBGv1dpAiUc u8KLKwS3PHHy/nHzn9AA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t4OzY-00000004n6m-2MWU; Fri, 25 Oct 2024 18:24:56 +0000 Received: from mail-pj1-x102f.google.com ([2607:f8b0:4864:20::102f]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t4OHn-00000004dxa-2Wyo for linux-riscv@lists.infradead.org; Fri, 25 Oct 2024 17:39:45 +0000 Received: by mail-pj1-x102f.google.com with SMTP id 98e67ed59e1d1-2e3010478e6so1725896a91.1 for ; Fri, 25 Oct 2024 10:39:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tenstorrent.com; s=google; t=1729877982; x=1730482782; darn=lists.infradead.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=RE/6bdE82IU4QyzbV1hsrlTmhXugWRMXOJiUEpwCLi8=; b=dq/Agh33Dwxt2VyM4Gv4njKpFAq7L8Jp+s9al2yGgTMOTE7A01hyJ84trnD+mONwgi vxIzc+cuQLHQDkzhFh4kg3SZUZ5mz4LLrY8c8DddTE+ahUMmvIuSA0jRJd7+KsstT9cs dhRpIlDKSQRnTPUvySqy0+Pfb9FD4a7OpDLRI/hD4pIOw0y+tFk/npKGdNqDhn3hCYyb oAL6MLalVsZ2/ukQZE237z3qAHotQ6TRyqvFCrYA+58Suzq3WbKvmelRpZ6hoOdZnAeb 2+VqWUIiBfwap5y3ivDKnPHoQVK48F7rn0Go+UTyosxrjzzggZfsqieHyea4SiHQu8KK Rmlg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729877982; x=1730482782; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=RE/6bdE82IU4QyzbV1hsrlTmhXugWRMXOJiUEpwCLi8=; b=A9mmCX7ErSfGBkKBz6BDdTzJpmTh5zJn3oW24xPVEU1cCJ2Tx/hbbOFNTjyqKOp/A7 VIvSvlteUc6lB+9B2HX5HDOt62jexvEUWAItdskNEs5RXMALxLwgFsmuI1t5z6XH1eyQ Bvk2ION6Ax53JZGadIkCBz/X/DrTM7tylLoZRZE7+TNbiibvdOd0eM9yw8cak9gRqMMj 5VZEuDZpXOdnS00BXKyE11v7dQmZTGL/vUSOovpwSZH3EKorvET9CZKUbUEJCKBJNhXg QpQC/XuXBgtzHssXY+h2gAkUdfxsmIAHh8aozEjVWrpJx+BYLegSCFn56DQdMpX2LV1x ka/Q== X-Forwarded-Encrypted: i=1; AJvYcCUNbM+u6YrCntZXGKGHARxF6aJDOLvBUWR36fIn6l70nCaSvkRWOuMmY/yhCUVAYykiIlUXjaRzuJdeEw==@lists.infradead.org X-Gm-Message-State: AOJu0YypO2WlHiPQmnYngyxzoVMofdoX7XM9hEUZ/6TIUFQJr6aw/fI9 5iGSBacX78gIUTruGaaijTQsxv2mqGXe10+BkT5elWRsbQ6GgcwHSKfa8bqpzo8= X-Google-Smtp-Source: AGHT+IEVi/JnSEoEmb/oANDw83QHAV0rm+Tjpr64rcE0SEGxppo+dS3Gh8supNN8sTs49Y30HpEovQ== X-Received: by 2002:a17:90a:fb8a:b0:2d3:cd27:c480 with SMTP id 98e67ed59e1d1-2e8f11bee8bmr150527a91.33.1729877982182; Fri, 25 Oct 2024 10:39:42 -0700 (PDT) Received: from [127.0.1.1] ([4.28.11.157]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e77e4ca3fcsm3813961a91.13.2024.10.25.10.39.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Oct 2024 10:39:41 -0700 (PDT) From: Drew Fustini Date: Fri, 25 Oct 2024 10:39:08 -0700 Subject: [PATCH net-next v5 1/2] dt-bindings: net: Add T-HEAD dwmac support MIME-Version: 1.0 Message-Id: <20241025-th1520-gmac-v5-1-38d0a48406ff@tenstorrent.com> References: <20241025-th1520-gmac-v5-0-38d0a48406ff@tenstorrent.com> In-Reply-To: <20241025-th1520-gmac-v5-0-38d0a48406ff@tenstorrent.com> To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexandre Torgue , Giuseppe Cavallaro , Jose Abreu , Maxime Coquelin , Emil Renner Berthing , Jisheng Zhang , Guo Ren , Fu Wei , Paul Walmsley , Palmer Dabbelt , Albert Ou , Andrew Lunn , Drew Fustini Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, Drew Fustini , linux-stm32@st-md-mailman.stormreply.com, Krzysztof Kozlowski X-Mailer: b4 0.14.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241025_103943_707453_8AC52B1C X-CRM114-Status: GOOD ( 15.61 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Jisheng Zhang Add documentation to describe the DesginWare-based GMAC controllers in the T-HEAD TH1520 SoC. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Jisheng Zhang Signed-off-by: Emil Renner Berthing [drew: rename compatible, add apb registers as second reg of gmac node, add clocks and interrupts poroperties] Signed-off-by: Drew Fustini Reviewed-by: Andrew Lunn --- .../devicetree/bindings/net/snps,dwmac.yaml | 1 + .../devicetree/bindings/net/thead,th1520-gmac.yaml | 110 +++++++++++++++++++++ MAINTAINERS | 1 + 3 files changed, 112 insertions(+) diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index 4e2ba1bf788c..474ade185033 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -99,6 +99,7 @@ properties: - snps,dwxgmac-2.10 - starfive,jh7100-dwmac - starfive,jh7110-dwmac + - thead,th1520-gmac reg: minItems: 1 diff --git a/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml b/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml new file mode 100644 index 000000000000..6d9de3303762 --- /dev/null +++ b/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml @@ -0,0 +1,110 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/thead,th1520-gmac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: T-HEAD TH1520 GMAC Ethernet controller + +maintainers: + - Drew Fustini + +description: | + The TH1520 GMAC is described in the TH1520 Peripheral Interface User Manual + https://git.beagleboard.org/beaglev-ahead/beaglev-ahead/-/tree/main/docs + + Features include + - Compliant with IEEE802.3 Specification + - IEEE 1588-2008 standard for precision networked clock synchronization + - Supports 10/100/1000Mbps data transfer rate + - Supports RGMII/MII interface + - Preamble and start of frame data (SFD) insertion in Transmit path + - Preamble and SFD deletion in the Receive path + - Automatic CRC and pad generation options for receive frames + - MDIO master interface for PHY device configuration and management + + The GMAC Registers consists of two parts + - APB registers are used to configure clock frequency/clock enable/clock + direction/PHY interface type. + - AHB registers are use to configure GMAC core (DesignWare Core part). + GMAC core register consists of DMA registers and GMAC registers. + +select: + properties: + compatible: + contains: + enum: + - thead,th1520-gmac + required: + - compatible + +allOf: + - $ref: snps,dwmac.yaml# + +properties: + compatible: + items: + - enum: + - thead,th1520-gmac + - const: snps,dwmac-3.70a + + reg: + items: + - description: DesignWare GMAC IP core registers + - description: GMAC APB registers + + reg-names: + items: + - const: dwmac + - const: apb + + clocks: + items: + - description: GMAC main clock + - description: Peripheral registers interface clock + + clock-names: + items: + - const: stmmaceth + - const: pclk + + interrupts: + items: + - description: Combined signal for various interrupt events + + interrupt-names: + items: + - const: macirq + +required: + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + gmac0: ethernet@e7070000 { + compatible = "thead,th1520-gmac", "snps,dwmac-3.70a"; + reg = <0xe7070000 0x2000>, <0xec003000 0x1000>; + reg-names = "dwmac", "apb"; + clocks = <&clk 1>, <&clk 2>; + clock-names = "stmmaceth", "pclk"; + interrupts = <66>; + interrupt-names = "macirq"; + phy-mode = "rgmii-id"; + snps,fixed-burst; + snps,axi-config = <&stmmac_axi_setup>; + snps,pbl = <32>; + phy-handle = <&phy0>; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,dwmac-mdio"; + + phy0: ethernet-phy@0 { + reg = <0>; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index f39ab140710f..72dee6d07ced 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19827,6 +19827,7 @@ L: linux-riscv@lists.infradead.org S: Maintained T: git https://github.com/pdp7/linux.git F: Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml +F: Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml F: arch/riscv/boot/dts/thead/ F: drivers/clk/thead/clk-th1520-ap.c F: include/dt-bindings/clock/thead,th1520-clk-ap.h