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: 13136862 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 361D4C636CC for ; Sat, 11 Feb 2023 03:31:37 +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:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=GsmrnOuh74Mu1zOnV80IC9ihQX5s7QQNPhOFuTcf1Bk=; b=AY8rBg/1kjaEnt Xr/gC79YSHccAGVmpOa28ONDTUrlmJdcX/9NgSQ/9HDgajYYv/bMx2u9PTy5X1gx2zqyphTk98HZm sl1roYJ1VnnEI7Bsx3UNYmRgijSq05RbOfHEwut+ZWcKhfEP+NS18EqTUoDpy6J/S4SobQoWd7JK3 NsLdo0wxvj21q6261ZOT6ozK630MptfgXLsF6ouBfJ/1rG5ut+PUSb/NhgMsChYfCHG5dc8YsCH1T ZXROKwArLLaWc1SBmG7W7zvwCDF6T9SVrn/msVqzOqR6XlKEY/0/hXEPkWSDIY13m2QxT+WmYoYss VCEMyWLzXxCX48RtwG8A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pQgaw-008Wzb-5S; Sat, 11 Feb 2023 03:30:34 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pQgPd-008Rsr-UO; Sat, 11 Feb 2023 03:18:56 +0000 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230210_191854_278227_A30AE837 X-CRM114-Status: GOOD ( 14.86 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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