From nobody Thu May 9 23:32:38 2024 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 8C3F9C77B77 for ; Mon, 17 Apr 2023 12:20:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230481AbjDQMUv (ORCPT ); Mon, 17 Apr 2023 08:20:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40164 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229504AbjDQMUp (ORCPT ); Mon, 17 Apr 2023 08:20:45 -0400 Received: from ex01.ufhost.com (ex01.ufhost.com [61.152.239.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E1F758A7C; Mon, 17 Apr 2023 05:20:09 -0700 (PDT) Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id D75C624E197; Mon, 17 Apr 2023 18:02:54 +0800 (CST) Received: from EXMBX162.cuchost.com (172.16.6.72) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Mon, 17 Apr 2023 18:02:54 +0800 Received: from starfive-sdk.starfivetech.com (171.223.208.138) by EXMBX162.cuchost.com (172.16.6.72) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Mon, 17 Apr 2023 18:02:53 +0800 From: Samin Guo To: , , , CC: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Emil Renner Berthing , Pedro Moreira , Richard Cochran , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Andrew Lunn , Heiner Kallweit , Peter Geis , Yanhong Wang , Samin Guo , Tommaso Merciai Subject: [-net-next v12 1/6] dt-bindings: net: snps,dwmac: Add dwmac-5.20 version Date: Mon, 17 Apr 2023 18:02:46 +0800 Message-ID: <20230417100251.11871-2-samin.guo@starfivetech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230417100251.11871-1-samin.guo@starfivetech.com> References: <20230417100251.11871-1-samin.guo@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [171.223.208.138] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX162.cuchost.com (172.16.6.72) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Emil Renner Berthing Add dwmac-5.20 IP version to snps.dwmac.yaml Acked-by: Krzysztof Kozlowski Signed-off-by: Emil Renner Berthing Signed-off-by: Samin Guo --- Documentation/devicetree/bindings/net/snps,dwmac.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Docume= ntation/devicetree/bindings/net/snps,dwmac.yaml index 16b7d2904696..01b056ab71f7 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -30,6 +30,7 @@ select: - snps,dwmac-4.10a - snps,dwmac-4.20a - snps,dwmac-5.10a + - snps,dwmac-5.20 - snps,dwxgmac - snps,dwxgmac-2.10 =20 @@ -87,6 +88,7 @@ properties: - snps,dwmac-4.10a - snps,dwmac-4.20a - snps,dwmac-5.10a + - snps,dwmac-5.20 - snps,dwxgmac - snps,dwxgmac-2.10 =20 @@ -575,6 +577,7 @@ allOf: - snps,dwmac-3.50a - snps,dwmac-4.10a - snps,dwmac-4.20a + - snps,dwmac-5.20 - snps,dwxgmac - snps,dwxgmac-2.10 - st,spear600-gmac @@ -629,6 +632,7 @@ allOf: - snps,dwmac-4.10a - snps,dwmac-4.20a - snps,dwmac-5.10a + - snps,dwmac-5.20 - snps,dwxgmac - snps,dwxgmac-2.10 - st,spear600-gmac --=20 2.17.1 From nobody Thu May 9 23:32:38 2024 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 8A691C77B78 for ; Mon, 17 Apr 2023 10:22:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230497AbjDQKW1 (ORCPT ); Mon, 17 Apr 2023 06:22:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55300 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229575AbjDQKWY (ORCPT ); Mon, 17 Apr 2023 06:22:24 -0400 Received: from ex01.ufhost.com (ex01.ufhost.com [61.152.239.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 51F3440C7; Mon, 17 Apr 2023 03:21:26 -0700 (PDT) Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id EF9FA24E1BE; Mon, 17 Apr 2023 18:02:55 +0800 (CST) Received: from EXMBX162.cuchost.com (172.16.6.72) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Mon, 17 Apr 2023 18:02:56 +0800 Received: from starfive-sdk.starfivetech.com (171.223.208.138) by EXMBX162.cuchost.com (172.16.6.72) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Mon, 17 Apr 2023 18:02:54 +0800 From: Samin Guo To: , , , CC: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Emil Renner Berthing , Pedro Moreira , Richard Cochran , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Andrew Lunn , Heiner Kallweit , Peter Geis , Yanhong Wang , Samin Guo , Tommaso Merciai Subject: [-net-next v12 2/6] net: stmmac: platform: Add snps,dwmac-5.20 IP compatible string Date: Mon, 17 Apr 2023 18:02:47 +0800 Message-ID: <20230417100251.11871-3-samin.guo@starfivetech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230417100251.11871-1-samin.guo@starfivetech.com> References: <20230417100251.11871-1-samin.guo@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [171.223.208.138] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX162.cuchost.com (172.16.6.72) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Emil Renner Berthing Add "snps,dwmac-5.20" compatible string for 5.20 version that can avoid to define some platform data in the glue layer. Tested-by: Tommaso Merciai Signed-off-by: Emil Renner Berthing Signed-off-by: Samin Guo --- drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/driver= s/net/ethernet/stmicro/stmmac/stmmac_platform.c index 067a40fe0a23..eb0b2898daa3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -519,7 +519,8 @@ stmmac_probe_config_dt(struct platform_device *pdev, u8= *mac) if (of_device_is_compatible(np, "snps,dwmac-4.00") || of_device_is_compatible(np, "snps,dwmac-4.10a") || of_device_is_compatible(np, "snps,dwmac-4.20a") || - of_device_is_compatible(np, "snps,dwmac-5.10a")) { + of_device_is_compatible(np, "snps,dwmac-5.10a") || + of_device_is_compatible(np, "snps,dwmac-5.20")) { plat->has_gmac4 =3D 1; plat->has_gmac =3D 0; plat->pmt =3D 1; --=20 2.17.1 From nobody Thu May 9 23:32:38 2024 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 259CBC77B70 for ; Mon, 17 Apr 2023 10:22:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231175AbjDQKWp (ORCPT ); Mon, 17 Apr 2023 06:22:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55442 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231139AbjDQKWe (ORCPT ); Mon, 17 Apr 2023 06:22:34 -0400 Received: from fd01.gateway.ufhost.com (fd01.gateway.ufhost.com [61.152.239.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB1F16187; Mon, 17 Apr 2023 03:21:38 -0700 (PDT) Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id 1A0D324E287; Mon, 17 Apr 2023 18:02:57 +0800 (CST) Received: from EXMBX162.cuchost.com (172.16.6.72) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Mon, 17 Apr 2023 18:02:56 +0800 Received: from starfive-sdk.starfivetech.com (171.223.208.138) by EXMBX162.cuchost.com (172.16.6.72) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Mon, 17 Apr 2023 18:02:55 +0800 From: Samin Guo To: , , , CC: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Emil Renner Berthing , Pedro Moreira , Richard Cochran , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Andrew Lunn , Heiner Kallweit , Peter Geis , Yanhong Wang , Samin Guo , Tommaso Merciai Subject: [-net-next v12 3/6] dt-bindings: net: snps,dwmac: Add 'ahb' reset/reset-name Date: Mon, 17 Apr 2023 18:02:48 +0800 Message-ID: <20230417100251.11871-4-samin.guo@starfivetech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230417100251.11871-1-samin.guo@starfivetech.com> References: <20230417100251.11871-1-samin.guo@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [171.223.208.138] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX162.cuchost.com (172.16.6.72) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" According to: stmmac_platform.c: stmmac_probe_config_dt stmmac_main.c: stmmac_dvr_probe dwmac controller may require one (stmmaceth) or two (stmmaceth+ahb) reset signals, and the maxItems of resets/reset-names is going to be 2. The gmac of Starfive Jh7110 SOC must have two resets. it uses snps,dwmac-5.20 IP. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Samin Guo --- .../devicetree/bindings/net/snps,dwmac.yaml | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Docume= ntation/devicetree/bindings/net/snps,dwmac.yaml index 01b056ab71f7..e4519cf722ab 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -133,12 +133,16 @@ properties: - ptp_ref =20 resets: - maxItems: 1 - description: - MAC Reset signal. + minItems: 1 + items: + - description: GMAC stmmaceth reset + - description: AHB reset =20 reset-names: - const: stmmaceth + minItems: 1 + items: + - const: stmmaceth + - const: ahb =20 power-domains: maxItems: 1 --=20 2.17.1 From nobody Thu May 9 23:32:38 2024 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 785ACC77B76 for ; Mon, 17 Apr 2023 10:17:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230465AbjDQKRp (ORCPT ); Mon, 17 Apr 2023 06:17:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229969AbjDQKRl (ORCPT ); Mon, 17 Apr 2023 06:17:41 -0400 Received: from fd01.gateway.ufhost.com (fd01.gateway.ufhost.com [61.152.239.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B38B76A5; Mon, 17 Apr 2023 03:16:46 -0700 (PDT) Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id 2B3E224E2EE; Mon, 17 Apr 2023 18:02:58 +0800 (CST) Received: from EXMBX162.cuchost.com (172.16.6.72) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Mon, 17 Apr 2023 18:02:58 +0800 Received: from starfive-sdk.starfivetech.com (171.223.208.138) by EXMBX162.cuchost.com (172.16.6.72) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Mon, 17 Apr 2023 18:02:56 +0800 From: Samin Guo To: , , , CC: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Emil Renner Berthing , Pedro Moreira , Richard Cochran , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Andrew Lunn , Heiner Kallweit , Peter Geis , Yanhong Wang , Samin Guo , Tommaso Merciai Subject: [-net-next v12 4/6] dt-bindings: net: Add support StarFive dwmac Date: Mon, 17 Apr 2023 18:02:49 +0800 Message-ID: <20230417100251.11871-5-samin.guo@starfivetech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230417100251.11871-1-samin.guo@starfivetech.com> References: <20230417100251.11871-1-samin.guo@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [171.223.208.138] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX162.cuchost.com (172.16.6.72) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Yanhong Wang Add documentation to describe StarFive dwmac driver(GMAC). Signed-off-by: Yanhong Wang Reviewed-by: Krzysztof Kozlowski Signed-off-by: Samin Guo --- .../devicetree/bindings/net/snps,dwmac.yaml | 1 + .../bindings/net/starfive,jh7110-dwmac.yaml | 144 ++++++++++++++++++ MAINTAINERS | 6 + 3 files changed, 151 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/starfive,jh7110-d= wmac.yaml diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Docume= ntation/devicetree/bindings/net/snps,dwmac.yaml index e4519cf722ab..245f7d713261 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -91,6 +91,7 @@ properties: - snps,dwmac-5.20 - snps,dwxgmac - snps,dwxgmac-2.10 + - starfive,jh7110-dwmac =20 reg: minItems: 1 diff --git a/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.ya= ml b/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml new file mode 100644 index 000000000000..5e7cfbbebce6 --- /dev/null +++ b/Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml @@ -0,0 +1,144 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2022 StarFive Technology Co., Ltd. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/starfive,jh7110-dwmac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 DWMAC glue layer + +maintainers: + - Emil Renner Berthing + - Samin Guo + +select: + properties: + compatible: + contains: + enum: + - starfive,jh7110-dwmac + required: + - compatible + +properties: + compatible: + items: + - enum: + - starfive,jh7110-dwmac + - const: snps,dwmac-5.20 + + reg: + maxItems: 1 + + clocks: + items: + - description: GMAC main clock + - description: GMAC AHB clock + - description: PTP clock + - description: TX clock + - description: GTX clock + + clock-names: + items: + - const: stmmaceth + - const: pclk + - const: ptp_ref + - const: tx + - const: gtx + + interrupts: + minItems: 3 + maxItems: 3 + + interrupt-names: + minItems: 3 + maxItems: 3 + + resets: + items: + - description: MAC Reset signal. + - description: AHB Reset signal. + + reset-names: + items: + - const: stmmaceth + - const: ahb + + starfive,tx-use-rgmii-clk: + description: + Tx clock is provided by external rgmii clock. + type: boolean + + starfive,syscon: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to syscon that configures phy mode + - description: Offset of phy mode selection + - description: Shift of phy mode selection + description: + A phandle to syscon with two arguments that configure phy mode. + The argument one is the offset of phy mode selection, the + argument two is the shift of phy mode selection. + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - interrupt-names + - resets + - reset-names + +allOf: + - $ref: snps,dwmac.yaml# + +unevaluatedProperties: false + +examples: + - | + ethernet@16030000 { + compatible =3D "starfive,jh7110-dwmac", "snps,dwmac-5.20"; + reg =3D <0x16030000 0x10000>; + clocks =3D <&clk 3>, <&clk 2>, <&clk 109>, + <&clk 6>, <&clk 111>; + clock-names =3D "stmmaceth", "pclk", "ptp_ref", + "tx", "gtx"; + resets =3D <&rst 1>, <&rst 2>; + reset-names =3D "stmmaceth", "ahb"; + interrupts =3D <7>, <6>, <5>; + interrupt-names =3D "macirq", "eth_wake_irq", "eth_lpi"; + phy-mode =3D "rgmii-id"; + snps,multicast-filter-bins =3D <64>; + snps,perfect-filter-entries =3D <8>; + rx-fifo-depth =3D <2048>; + tx-fifo-depth =3D <2048>; + snps,fixed-burst; + snps,no-pbl-x8; + snps,tso; + snps,force_thresh_dma_mode; + snps,axi-config =3D <&stmmac_axi_setup>; + snps,en-tx-lpi-clockgating; + snps,txpbl =3D <16>; + snps,rxpbl =3D <16>; + starfive,syscon =3D <&aon_syscon 0xc 0x12>; + phy-handle =3D <&phy0>; + + mdio { + #address-cells =3D <1>; + #size-cells =3D <0>; + compatible =3D "snps,dwmac-mdio"; + + phy0: ethernet-phy@0 { + reg =3D <0>; + }; + }; + + stmmac_axi_setup: stmmac-axi-config { + snps,lpi_en; + snps,wr_osr_lmt =3D <4>; + snps,rd_osr_lmt =3D <4>; + snps,blen =3D <256 128 64 32 0 0 0>; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 1dc8bd26b6cf..6b6b67468b8f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19905,6 +19905,12 @@ M: Emil Renner Berthing S: Maintained F: arch/riscv/boot/dts/starfive/ =20 +STARFIVE DWMAC GLUE LAYER +M: Emil Renner Berthing +M: Samin Guo +S: Maintained +F: Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml + STARFIVE JH7100 CLOCK DRIVERS M: Emil Renner Berthing S: Maintained --=20 2.17.1 From nobody Thu May 9 23:32:38 2024 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 79E27C77B77 for ; Mon, 17 Apr 2023 10:17:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230518AbjDQKR4 (ORCPT ); Mon, 17 Apr 2023 06:17:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51818 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229969AbjDQKRq (ORCPT ); Mon, 17 Apr 2023 06:17:46 -0400 Received: from fd01.gateway.ufhost.com (fd01.gateway.ufhost.com [61.152.239.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3A58F7DA8; Mon, 17 Apr 2023 03:16:51 -0700 (PDT) Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id 471FB24E2EF; Mon, 17 Apr 2023 18:02:59 +0800 (CST) Received: from EXMBX162.cuchost.com (172.16.6.72) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Mon, 17 Apr 2023 18:02:59 +0800 Received: from starfive-sdk.starfivetech.com (171.223.208.138) by EXMBX162.cuchost.com (172.16.6.72) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Mon, 17 Apr 2023 18:02:58 +0800 From: Samin Guo To: , , , CC: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Emil Renner Berthing , Pedro Moreira , Richard Cochran , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Andrew Lunn , Heiner Kallweit , Peter Geis , Yanhong Wang , Samin Guo , Tommaso Merciai Subject: [-net-next v12 5/6] net: stmmac: Add glue layer for StarFive JH7110 SoC Date: Mon, 17 Apr 2023 18:02:50 +0800 Message-ID: <20230417100251.11871-6-samin.guo@starfivetech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230417100251.11871-1-samin.guo@starfivetech.com> References: <20230417100251.11871-1-samin.guo@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [171.223.208.138] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX162.cuchost.com (172.16.6.72) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This adds StarFive dwmac driver support on the StarFive JH7110 SoC. Tested-by: Tommaso Merciai Co-developed-by: Emil Renner Berthing Signed-off-by: Emil Renner Berthing Signed-off-by: Samin Guo --- MAINTAINERS | 1 + drivers/net/ethernet/stmicro/stmmac/Kconfig | 12 ++ drivers/net/ethernet/stmicro/stmmac/Makefile | 1 + .../ethernet/stmicro/stmmac/dwmac-starfive.c | 123 ++++++++++++++++++ 4 files changed, 137 insertions(+) create mode 100644 drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c diff --git a/MAINTAINERS b/MAINTAINERS index 6b6b67468b8f..46b366456cee 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19910,6 +19910,7 @@ M: Emil Renner Berthing M: Samin Guo S: Maintained F: Documentation/devicetree/bindings/net/starfive,jh7110-dwmac.yaml +F: drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c =20 STARFIVE JH7100 CLOCK DRIVERS M: Emil Renner Berthing diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethe= rnet/stmicro/stmmac/Kconfig index f77511fe4e87..5f5a997f21f3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Kconfig +++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig @@ -165,6 +165,18 @@ config DWMAC_SOCFPGA for the stmmac device driver. This driver is used for arria5 and cyclone5 FPGA SoCs. =20 +config DWMAC_STARFIVE + tristate "StarFive dwmac support" + depends on OF && (ARCH_STARFIVE || COMPILE_TEST) + select MFD_SYSCON + default m if ARCH_STARFIVE + help + Support for ethernet controllers on StarFive RISC-V SoCs + + This selects the StarFive platform specific glue layer support for + the stmmac device driver. This driver is used for StarFive JH7110 + ethernet controller. + config DWMAC_STI tristate "STi GMAC support" default ARCH_STI diff --git a/drivers/net/ethernet/stmicro/stmmac/Makefile b/drivers/net/eth= ernet/stmicro/stmmac/Makefile index 057e4bab5c08..8738fdbb4b2d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Makefile +++ b/drivers/net/ethernet/stmicro/stmmac/Makefile @@ -23,6 +23,7 @@ obj-$(CONFIG_DWMAC_OXNAS) +=3D dwmac-oxnas.o obj-$(CONFIG_DWMAC_QCOM_ETHQOS) +=3D dwmac-qcom-ethqos.o obj-$(CONFIG_DWMAC_ROCKCHIP) +=3D dwmac-rk.o obj-$(CONFIG_DWMAC_SOCFPGA) +=3D dwmac-altr-socfpga.o +obj-$(CONFIG_DWMAC_STARFIVE) +=3D dwmac-starfive.o obj-$(CONFIG_DWMAC_STI) +=3D dwmac-sti.o obj-$(CONFIG_DWMAC_STM32) +=3D dwmac-stm32.o obj-$(CONFIG_DWMAC_SUNXI) +=3D dwmac-sunxi.o diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c b/drivers= /net/ethernet/stmicro/stmmac/dwmac-starfive.c new file mode 100644 index 000000000000..4963d4008485 --- /dev/null +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c @@ -0,0 +1,123 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * StarFive DWMAC platform driver + * + * Copyright (C) 2021 Emil Renner Berthing + * Copyright (C) 2022 StarFive Technology Co., Ltd. + * + */ + +#include +#include +#include + +#include "stmmac_platform.h" + +struct starfive_dwmac { + struct device *dev; + struct clk *clk_tx; +}; + +static void starfive_dwmac_fix_mac_speed(void *priv, unsigned int speed) +{ + struct starfive_dwmac *dwmac =3D priv; + unsigned long rate; + int err; + + rate =3D clk_get_rate(dwmac->clk_tx); + + switch (speed) { + case SPEED_1000: + rate =3D 125000000; + break; + case SPEED_100: + rate =3D 25000000; + break; + case SPEED_10: + rate =3D 2500000; + break; + default: + dev_err(dwmac->dev, "invalid speed %u\n", speed); + break; + } + + err =3D clk_set_rate(dwmac->clk_tx, rate); + if (err) + dev_err(dwmac->dev, "failed to set tx rate %lu\n", rate); +} + +static int starfive_dwmac_probe(struct platform_device *pdev) +{ + struct plat_stmmacenet_data *plat_dat; + struct stmmac_resources stmmac_res; + struct starfive_dwmac *dwmac; + struct clk *clk_gtx; + int err; + + err =3D stmmac_get_platform_resources(pdev, &stmmac_res); + if (err) + return dev_err_probe(&pdev->dev, err, + "failed to get resources\n"); + + plat_dat =3D stmmac_probe_config_dt(pdev, stmmac_res.mac); + if (IS_ERR(plat_dat)) + return dev_err_probe(&pdev->dev, PTR_ERR(plat_dat), + "dt configuration failed\n"); + + dwmac =3D devm_kzalloc(&pdev->dev, sizeof(*dwmac), GFP_KERNEL); + if (!dwmac) + return -ENOMEM; + + dwmac->clk_tx =3D devm_clk_get_enabled(&pdev->dev, "tx"); + if (IS_ERR(dwmac->clk_tx)) + return dev_err_probe(&pdev->dev, PTR_ERR(dwmac->clk_tx), + "error getting tx clock\n"); + + clk_gtx =3D devm_clk_get_enabled(&pdev->dev, "gtx"); + if (IS_ERR(clk_gtx)) + return dev_err_probe(&pdev->dev, PTR_ERR(clk_gtx), + "error getting gtx clock\n"); + + /* Generally, the rgmii_tx clock is provided by the internal clock, + * which needs to match the corresponding clock frequency according + * to different speeds. If the rgmii_tx clock is provided by the + * external rgmii_rxin, there is no need to configure the clock + * internally, because rgmii_rxin will be adaptively adjusted. + */ + if (!device_property_read_bool(&pdev->dev, "starfive,tx-use-rgmii-clk")) + plat_dat->fix_mac_speed =3D starfive_dwmac_fix_mac_speed; + + dwmac->dev =3D &pdev->dev; + plat_dat->bsp_priv =3D dwmac; + plat_dat->dma_cfg->dche =3D true; + + err =3D stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); + if (err) { + stmmac_remove_config_dt(pdev, plat_dat); + return err; + } + + return 0; +} + +static const struct of_device_id starfive_dwmac_match[] =3D { + { .compatible =3D "starfive,jh7110-dwmac" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, starfive_dwmac_match); + +static struct platform_driver starfive_dwmac_driver =3D { + .probe =3D starfive_dwmac_probe, + .remove =3D stmmac_pltfr_remove, + .driver =3D { + .name =3D "starfive-dwmac", + .pm =3D &stmmac_pltfr_pm_ops, + .of_match_table =3D starfive_dwmac_match, + }, +}; +module_platform_driver(starfive_dwmac_driver); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("StarFive DWMAC platform driver"); +MODULE_AUTHOR("Emil Renner Berthing "); +MODULE_AUTHOR("Samin Guo "); --=20 2.17.1 From nobody Thu May 9 23:32:38 2024 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 3A347C77B72 for ; Mon, 17 Apr 2023 10:22:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231154AbjDQKWa (ORCPT ); Mon, 17 Apr 2023 06:22:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55306 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230019AbjDQKWY (ORCPT ); Mon, 17 Apr 2023 06:22:24 -0400 Received: from ex01.ufhost.com (ex01.ufhost.com [61.152.239.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 68E752D62; Mon, 17 Apr 2023 03:21:25 -0700 (PDT) Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id 6C02D24E1E1; Mon, 17 Apr 2023 18:03:00 +0800 (CST) Received: from EXMBX162.cuchost.com (172.16.6.72) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Mon, 17 Apr 2023 18:03:00 +0800 Received: from starfive-sdk.starfivetech.com (171.223.208.138) by EXMBX162.cuchost.com (172.16.6.72) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Mon, 17 Apr 2023 18:02:59 +0800 From: Samin Guo To: , , , CC: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Emil Renner Berthing , Pedro Moreira , Richard Cochran , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Andrew Lunn , Heiner Kallweit , Peter Geis , Yanhong Wang , Samin Guo , Tommaso Merciai Subject: [-net-next v12 6/6] net: stmmac: dwmac-starfive: Add phy interface settings Date: Mon, 17 Apr 2023 18:02:51 +0800 Message-ID: <20230417100251.11871-7-samin.guo@starfivetech.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230417100251.11871-1-samin.guo@starfivetech.com> References: <20230417100251.11871-1-samin.guo@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [171.223.208.138] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX162.cuchost.com (172.16.6.72) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" dwmac supports multiple modess. When working under rmii and rgmii, you need to set different phy interfaces. According to the dwmac document, when working in rmii, it needs to be set to 0x4, and rgmii needs to be set to 0x1. The phy interface needs to be set in syscon, the format is as follows: starfive,syscon: <&syscon, offset, shift> Tested-by: Tommaso Merciai Signed-off-by: Samin Guo --- .../ethernet/stmicro/stmmac/dwmac-starfive.c | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c b/drivers= /net/ethernet/stmicro/stmmac/dwmac-starfive.c index 4963d4008485..4f51a7889642 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c @@ -13,6 +13,10 @@ =20 #include "stmmac_platform.h" =20 +#define STARFIVE_DWMAC_PHY_INFT_RGMII 0x1 +#define STARFIVE_DWMAC_PHY_INFT_RMII 0x4 +#define STARFIVE_DWMAC_PHY_INFT_FIELD 0x7U + struct starfive_dwmac { struct device *dev; struct clk *clk_tx; @@ -46,6 +50,46 @@ static void starfive_dwmac_fix_mac_speed(void *priv, uns= igned int speed) dev_err(dwmac->dev, "failed to set tx rate %lu\n", rate); } =20 +static int starfive_dwmac_set_mode(struct plat_stmmacenet_data *plat_dat) +{ + struct starfive_dwmac *dwmac =3D plat_dat->bsp_priv; + struct regmap *regmap; + unsigned int args[2]; + unsigned int mode; + int err; + + switch (plat_dat->interface) { + case PHY_INTERFACE_MODE_RMII: + mode =3D STARFIVE_DWMAC_PHY_INFT_RMII; + break; + + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_ID: + mode =3D STARFIVE_DWMAC_PHY_INFT_RGMII; + break; + + default: + dev_err(dwmac->dev, "unsupported interface %d\n", + plat_dat->interface); + return -EINVAL; + } + + regmap =3D syscon_regmap_lookup_by_phandle_args(dwmac->dev->of_node, + "starfive,syscon", + 2, args); + if (IS_ERR(regmap)) + return dev_err_probe(dwmac->dev, PTR_ERR(regmap), "getting the regmap fa= iled\n"); + + /* args[0]:offset args[1]: shift */ + err =3D regmap_update_bits(regmap, args[0], + STARFIVE_DWMAC_PHY_INFT_FIELD << args[1], + mode << args[1]); + if (err) + return dev_err_probe(dwmac->dev, err, "error setting phy mode\n"); + + return 0; +} + static int starfive_dwmac_probe(struct platform_device *pdev) { struct plat_stmmacenet_data *plat_dat; @@ -91,6 +135,10 @@ static int starfive_dwmac_probe(struct platform_device = *pdev) plat_dat->bsp_priv =3D dwmac; plat_dat->dma_cfg->dche =3D true; =20 + err =3D starfive_dwmac_set_mode(plat_dat); + if (err) + return err; + err =3D stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); if (err) { stmmac_remove_config_dt(pdev, plat_dat); --=20 2.17.1