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: 13851241 X-Patchwork-Delegate: kuba@kernel.org Received: from mail-pj1-f49.google.com (mail-pj1-f49.google.com [209.85.216.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CB902800 for ; Fri, 25 Oct 2024 17:39:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.49 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729877984; cv=none; b=F0aGRjOIP7EH1V1h8Ib3QvU/rKCv0l9jH57ddlUpxTqFcW+RJ4H2hXXm/RifUtBUbs9k8k8qAhjahyxKAxkX2WS6DV3VfzUJTSzdXalgxr+xQdNnAvXYjPR4VUaqLHLT/VGh37NIpSm0awXF8A8lHYeqdMdIdW7k+cvwspW35RI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729877984; c=relaxed/simple; bh=9pP9vG1L+mjIEPXQobrdDm63/EukPkmkytiXylfiwJM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=OamRrIIDvU/+wpqHkU3mpgdgn/yOH5iICKxCknNhAt31ae3f6/nAmHzDb68NI/eOc2cXy82F6gBsiLTxVbh86XBWstPDJRY10fhamCcoH1zAlN15KWauU4s+BuWxJv3Gftm+JStI48tauBVJCCw8WVLDZv3dbeSMT2hpSuwpRGM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=tenstorrent.com; spf=pass smtp.mailfrom=tenstorrent.com; dkim=pass (2048-bit key) header.d=tenstorrent.com header.i=@tenstorrent.com header.b=EBnNh4pa; arc=none smtp.client-ip=209.85.216.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=tenstorrent.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=tenstorrent.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tenstorrent.com header.i=@tenstorrent.com header.b="EBnNh4pa" Received: by mail-pj1-f49.google.com with SMTP id 98e67ed59e1d1-2e2e6a1042dso1719515a91.2 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=vger.kernel.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=EBnNh4paSe7YXlT+ohkUuZxJHtGS0h1TWp8pyOT7mn2hBMR2jwKw0L9koyNVsnHQ98 Su9Zp5FUQckFqagrN3kLhCkW/cr/nlbtuMsyfLhkD9zkB0zzOK8YkZdsLteTlGu4MA1y 6XOzi3aBMhcg3oJGYhuEv6XGjgd1xePagzxNx1+v5/x32wm7wWTrCEVA6Oh9uMvg0TBT MQZG1yczEd4NduxC0urVXI0FoCr5wLqPIJvPA19YJGA81DechZBeudCyk0/DZ+osE0Sz QkrdsbIkwKj0KuBmYskPoGn88A1rKfYJJ7xK1TMtDdwxZI1gXHuENsXbLa1vSZNAqr76 OudQ== 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=cLdA8j3QrpHd2eSGdrZOOBhUQ3UnrOH3i7NR3qEo1/YYFNfMfKZukIhnKLgu163OuF 02FCVmY7YPMCPusrSwDhCqfdbQbsniHsNXbcasP4GCJfFB9bUW1wX+q8Yc0MrMpH5hvp HDvJOx7RT+eFsC8K0aBRTB4x36Yx5wbKhnQ6p0JcuqxHzl5IlgpM5hy2dI/yfn87iL/l DhPLlzOad8fDt3lEJ87eQ8kLhkopunSGP3IP6qex+4foR5v7Zqtim1hUIJIFSSkPFzvJ XMNK27HBdY5XQ01N8h07HujBYH2J17hJKPPsB7yx6opU79B0UJAfySuO7bVmrlHO7kLu Q14g== X-Gm-Message-State: AOJu0Yx8/771vdPwzsqX3lcowsdjirD0K8CI05fLJLqfyWwi0rSfkehM ZORJnO6YsOyeF8alTPhnYlak6R1iEHr715bzlfGeqttE+HWxyKmG+b5/HC3/rYA= 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 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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-Patchwork-Delegate: kuba@kernel.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