From patchwork Sat Feb 11 03:18:16 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 13136828 X-Patchwork-Delegate: kuba@kernel.org 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 3BBEEC636D3 for ; Sat, 11 Feb 2023 03:19:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229909AbjBKDTb (ORCPT ); Fri, 10 Feb 2023 22:19:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36030 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229801AbjBKDTI (ORCPT ); Fri, 10 Feb 2023 22:19:08 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D219D880F6; Fri, 10 Feb 2023 19:18:53 -0800 (PST) Received: from localhost (unknown [86.120.32.152]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: cristicc) by madras.collabora.co.uk (Postfix) with ESMTPSA id 651E6660211A; Sat, 11 Feb 2023 03:18:52 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1676085532; bh=0BO882sWApwI6Wscjhip8MF0KqwHYe/THm/J3y/0b0o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=S3s2oQkcRGhZ6jdQzVpXMV0mBoYa0lo/RGpLmrG3pXtSu/54qSeNOsfy66KoMutEI 3E53lyoSKP2pabRbWqY04m5Yo1cJKbP0+w5PiKuqeKJmJTIBB+vbK9uj9SvKX3KrvD dMkEpLflWHL+vEq5ylHS9BFhKkteQS8DSXmUOEFxG4Xtfo2N7aalN8+z2fS0SspDSf jf6K67v35sKNfkWTll7SJcpO1BtBFPtF8srXAmpGJOHge0+WdJWyLVXzjpeQ5vBlgI acJKoyW9JCSip1guYzv6xw7VW3zlF0q/deKqa0Kn1CXq4OVnWgzETD3dBCM5Jx4S4Z VFcUOdqcyElng== From: Cristian Ciocaltea To: Lee Jones , Rob Herring , Krzysztof Kozlowski , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Emil Renner Berthing , Conor Dooley , Palmer Dabbelt , Paul Walmsley , Albert Ou , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Richard Cochran , Sagar Kadam , Yanhong Wang Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-riscv@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, kernel@collabora.com Subject: [PATCH 07/12] dt-bindings: net: Add StarFive JH7100 SoC Date: Sat, 11 Feb 2023 05:18:16 +0200 Message-Id: <20230211031821.976408-8-cristian.ciocaltea@collabora.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230211031821.976408-1-cristian.ciocaltea@collabora.com> References: <20230211031821.976408-1-cristian.ciocaltea@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Add DT bindings documentation for the Synopsys DesignWare MAC found on the StarFive JH7100 SoC. Adjust 'reset' and 'reset-names' properties to allow using 'ahb' instead of the 'stmmaceth' reset signal, as required by JH7100. Signed-off-by: Cristian Ciocaltea --- .../devicetree/bindings/net/snps,dwmac.yaml | 15 ++- .../bindings/net/starfive,jh7100-dwmac.yaml | 106 ++++++++++++++++++ MAINTAINERS | 5 + 3 files changed, 122 insertions(+), 4 deletions(-) create mode 100644 Documentation/devicetree/bindings/net/starfive,jh7100-dwmac.yaml diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index e88a86623fce..71522a2cd7a4 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -89,6 +89,7 @@ properties: - snps,dwmac-5.10a - snps,dwxgmac - snps,dwxgmac-2.10 + - starfive,jh7100-dwmac reg: minItems: 1 @@ -131,12 +132,17 @@ properties: - ptp_ref resets: - maxItems: 1 - description: - MAC Reset signal. + minItems: 1 + items: + - description: MAC Reset signal + - description: AHB Reset signal reset-names: - const: stmmaceth + minItems: 1 + contains: + enum: + - stmmaceth + - ahb power-domains: maxItems: 1 @@ -578,6 +584,7 @@ allOf: - snps,dwxgmac - snps,dwxgmac-2.10 - st,spear600-gmac + - starfive,jh7100-dwmac then: properties: diff --git a/Documentation/devicetree/bindings/net/starfive,jh7100-dwmac.yaml b/Documentation/devicetree/bindings/net/starfive,jh7100-dwmac.yaml new file mode 100644 index 000000000000..6afe30690172 --- /dev/null +++ b/Documentation/devicetree/bindings/net/starfive,jh7100-dwmac.yaml @@ -0,0 +1,106 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2022 StarFive Technology Co., Ltd. +# Copyright (C) 2022 Emil Renner Berthing +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/starfive,jh7100-dwmac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7100 DWMAC Ethernet Controller + +maintainers: + - Emil Renner Berthing + +# We need a select here so we don't match all nodes with 'snps,dwmac' +select: + properties: + compatible: + contains: + const: starfive,jh7100-dwmac + required: + - compatible + +allOf: + - $ref: snps,dwmac.yaml# + +properties: + compatible: + items: + - const: starfive,jh7100-dwmac + - const: snps,dwmac + + clocks: + items: + - description: GMAC main clock + - description: GMAC AHB clock + - description: PTP clock + - description: GTX clock + - description: TX clock + + clock-names: + items: + - const: stmmaceth + - const: pclk + - const: ptp_ref + - const: gtxc + - const: tx + + resets: + description: AHB Reset signal + + reset-names: + const: ahb + + starfive,syscon: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle to the syscon node + + starfive,gtxclk-dlychain: + $ref: /schemas/types.yaml#/definitions/uint32 + description: GTX clock delay chain setting + +required: + - compatible + - clocks + - clock-names + - resets + - reset-names + +unevaluatedProperties: false + +examples: + - | + #include + #include + + gmac: ethernet@10020000 { + compatible = "starfive,jh7100-dwmac", "snps,dwmac"; + reg = <0x0 0x10020000 0x0 0x10000>; + clocks = <&clkgen JH7100_CLK_GMAC_ROOT_DIV>, + <&clkgen JH7100_CLK_GMAC_AHB>, + <&clkgen JH7100_CLK_GMAC_PTP_REF>, + <&clkgen JH7100_CLK_GMAC_GTX>, + <&clkgen JH7100_CLK_GMAC_TX_INV>; + clock-names = "stmmaceth", "pclk", "ptp_ref", "gtxc", "tx"; + resets = <&rstgen JH7100_RSTN_GMAC_AHB>; + reset-names = "ahb"; + interrupts = <6>, <7>; + interrupt-names = "macirq", "eth_wake_irq"; + max-frame-size = <9000>; + phy-mode = "rgmii-txid"; + snps,multicast-filter-bins = <32>; + snps,perfect-filter-entries = <128>; + starfive,syscon = <&sysmain>; + rx-fifo-depth = <32768>; + tx-fifo-depth = <16384>; + snps,axi-config = <&stmmac_axi_setup>; + snps,fixed-burst; + snps,force_thresh_dma_mode; + snps,no-pbl-x8; + + stmmac_axi_setup: stmmac-axi-config { + snps,wr_osr_lmt = <0xf>; + snps,rd_osr_lmt = <0xf>; + snps,blen = <256 128 64 32 0 0 0>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index abed40db41f0..d48468b81b94 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19816,6 +19816,11 @@ M: Emil Renner Berthing S: Maintained F: arch/riscv/boot/dts/starfive/ +STARFIVE DWMAC GLUE LAYER +M: Emil Renner Berthing +S: Maintained +F: Documentation/devicetree/bindings/net/starfive,jh7100-dwmac.yaml + STARFIVE JH7100 CLOCK DRIVERS M: Emil Renner Berthing S: Maintained