From patchwork Tue Oct 1 06:23:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Drew Fustini X-Patchwork-Id: 13817502 X-Patchwork-Delegate: kuba@kernel.org Received: from mail-pg1-f179.google.com (mail-pg1-f179.google.com [209.85.215.179]) (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 827181BBBE4 for ; Tue, 1 Oct 2024 06:23:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.215.179 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727763828; cv=none; b=jlOv5HrFIiBNNMplVAZw8WDOxIrK/gT6GwHTXWlpGstCbowwvQt7r6m5c/Q0gWFkzaz6OsSPdL4BZ4t1kowNt8blPhC0Qjk0jPkdeu1/pevhqFRc3hS2zFpsyNpOTwA909INm9wDOIOJsYTomCGEELOQmNkG7jnY+K6ecFbu/eA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727763828; c=relaxed/simple; bh=WX5aQjNCCCrTYM9KPkGq6aAIGKGnxmCFkFxPqT04C6o=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ahrXqHQpWpjiyINgMwpMwZ7PDfQGUu+ybcAk/px6OyYP9IS4ZoXPO7AxSaQil5O7/I8SIRHN48eJ04JVf84cs3f4Ia3T/W2x1OcWuvd6fe6kAhvnnw/Nsimzx0e6yrAXRVmQLCTV6cmHreoWdjlz6C/NQGk9hjoKGabJB7DPfs8= 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=BMItdS7o; arc=none smtp.client-ip=209.85.215.179 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="BMItdS7o" Received: by mail-pg1-f179.google.com with SMTP id 41be03b00d2f7-7db637d1e4eso3963411a12.2 for ; Mon, 30 Sep 2024 23:23:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tenstorrent.com; s=google; t=1727763826; x=1728368626; 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=41dV4WalGlMrH9OJptzATrYawUoziHMOxXvyKGnl9z4=; b=BMItdS7oZAszJURD4Yy8sZcSES1P1s60abeuAxbHtFwgoV97hb0y93kJ0TEI50Tg50 xVaiOM+ahRmOfFtmmSNOCIoYUP2mkORonN+Ve9xFMh5VlTBK9BloDNv36UgfVnLX0iAa YczxgJePqCuHJlqC1XLeDM/WkOoqJTdTo+ajtVFA+PAcMrCZqtd6rP5XFj6brLAFuMdO UJYvwSR2K4d1EXvFqBW2re1QW7FhDhwqcfsdgoQoDkeMcGwh07PX1726QxH0i3Cr1TBH c9tP/NRmsxEVvz6fwm9upuVPJdOxXvRaeKVdlpYSqBQVRnXjSb15zVSuwLnPRjR/8Mnt si0w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727763826; x=1728368626; 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=41dV4WalGlMrH9OJptzATrYawUoziHMOxXvyKGnl9z4=; b=GJRB09XFqbozJHSTGC/oT1WMlF8VBMuY36HOUSRRFTZ8xPFZTaWJYbdsKKDdtBKkgc 2HQh9lUaro4yMiqZYGfd2R7c74qi4jrYoAWtgPL9liEa4kBbpjiQjy5aQuD346iOBnN5 +qDeD8w07gYqPABQWEt9IcxPs8+0rd+BlmmrgGj4UKUzwhMBY7me9duhRd3D8yTrNvB/ JzHntEiR4HNH6GtpWzuXOSkkE9GDeIWa4a0h9xwTM13MyOAZ7QeO0kzgS8/VHq4NcWb4 LZebznameYQFCT5cYFjHiGrF6/RPvs2mKE3i/RS9pVfsXnOJ9Eq7HJgn7L4XCPucMQzZ KX6w== X-Gm-Message-State: AOJu0YxK4ZTTgLaM13uuvof8FbsnWW0N3LBi6xx4vIl/DjYps/hkZu5M fwui0E/xPDQboJeJVdCOKgflhXJ8vZfvjhqGQeNPyLZECpG6/FkJJDkszRqPZIg= X-Google-Smtp-Source: AGHT+IEAXYeopiAHVxnMZKpthZn5FMOwy5YZbD50HnTwzsWunyEhtWyVMfmLnOJUjoSOItfJDzc8Fw== X-Received: by 2002:a05:6a21:e96:b0:1d2:bc8f:5e73 with SMTP id adf61e73a8af0-1d4fa7a6fc0mr20967670637.38.1727763825695; Mon, 30 Sep 2024 23:23:45 -0700 (PDT) Received: from [127.0.1.1] (71-34-69-82.ptld.qwest.net. [71.34.69.82]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71b264ba68dsm7267804b3a.57.2024.09.30.23.23.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Sep 2024 23:23:45 -0700 (PDT) From: Drew Fustini Date: Mon, 30 Sep 2024 23:23:24 -0700 Subject: [PATCH v3 1/3] 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: <20240930-th1520-dwmac-v3-1-ae3e03c225ab@tenstorrent.com> References: <20240930-th1520-dwmac-v3-0-ae3e03c225ab@tenstorrent.com> In-Reply-To: <20240930-th1520-dwmac-v3-0-ae3e03c225ab@tenstorrent.com> To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexandre Torgue , Giuseppe Cavallaro , Jose Abreu , Jisheng Zhang , Maxime Coquelin , Emil Renner Berthing , Drew Fustini , Guo Ren , Fu Wei , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , 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 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. Signed-off-by: Jisheng Zhang Signed-off-by: Emil Renner Berthing [drew: rename compatible, add apb registers as second reg of gmac node] Signed-off-by: Drew Fustini --- .../devicetree/bindings/net/snps,dwmac.yaml | 1 + .../devicetree/bindings/net/thead,th1520-gmac.yaml | 97 ++++++++++++++++++++++ MAINTAINERS | 1 + 3 files changed, 99 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..fef1810b10c4 --- /dev/null +++ b/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml @@ -0,0 +1,97 @@ +# 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 + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - interrupt-names + - phy-mode + +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 67634f0ea30e..9e50107efb37 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19942,6 +19942,7 @@ 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: Documentation/devicetree/bindings/pinctrl/thead,th1520-pinctrl.yaml F: arch/riscv/boot/dts/thead/ F: drivers/clk/thead/clk-th1520-ap.c