From patchwork Mon Jan 3 17:56:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 12702721 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 A32E4C433EF for ; Mon, 3 Jan 2022 17:58:34 +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=A4IGLAPjAU6ufzhktNOT4sLlh+TlN9gqUBkqCc5NCaM=; b=g4nfL7BQmIqBVz hSaAi6uS7A3eXIHW91iqoQ0iOh4tW2IphVrZyNISWc/WhzKKA8tEDAwfo7NK0IB2h07E9vbponz7/ wzNNKnDdYTodClnuK5eCAPWs6JvezTArDqxe5jztpVItmtxvNlf/BN/rcDHpg6zwK9hwt78CmUUdI ViYnXhsUfr+rdgF4TRr72H8hgsMlaL8jvJKe7WrxC1+gggVcDzRBE31dJn9ScB4W9b+F1fW6mVHIz MCRy0EPp8dORNQqysttdB+s3Qr8EcPVau/xbtE29ueVUhXlc873Lq8OKbcuGDSkgDgEn6gABmMXUi Y5+PreqrFvd2+FDe+pSw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n4RZe-009lxL-LX; Mon, 03 Jan 2022 17:56:46 +0000 Received: from mail-wr1-x42f.google.com ([2a00:1450:4864:20::42f]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n4RZb-009lwJ-E9 for linux-arm-kernel@lists.infradead.org; Mon, 03 Jan 2022 17:56:44 +0000 Received: by mail-wr1-x42f.google.com with SMTP id k18so34597892wrg.11 for ; Mon, 03 Jan 2022 09:56:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=neH7i+26OYLpeC5cMlHViFNMwrfPO3xPJ5Z7DAt5pN8=; b=XvTHDJevsy0ZSrMi+se2sklxBwlITB/hybQLSG/lMV6WXD0xQn+yILwcirk/NVHH8N y5cSTYrKo/Z515VeTJsDn3ON6gufP4KRJNeoc3luWerqUVvGFkKB06JcyTcrTCIl9l/M ygPKlJgUlChyH36b8GV0ox/Isxi8z+lV1ckPQPQwDphX+q42mcFH3qe18mDTe+OGrF2+ QyVmUvkcCSigenymoDPRF6E8uDgEnoyqfXlM77ZRQn26WSGFn9RyGSrbmDd1zy/Dm7LT 0Y5Wfi/pkxGViP79Io2eyNB5PH2dc04N5zhpKGpYuXUmB0YGFnVUWaNDI0AXO5xtoZjW vcVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=neH7i+26OYLpeC5cMlHViFNMwrfPO3xPJ5Z7DAt5pN8=; b=ssLOaFAMqwcbxTxqNqWO4Rj+FpSyUI/LNxMDZvFe2vWs/HlAbCqlGkwaiYdVC11Q/M eh3RHKZ+qgVsTU97/X6ZffMWR3MRVyy1Fu1o0x4+TjSmRpJ+MOKOCkvosDdS1QMrFM07 nv9w6jTOV2YREHjZMGFBqHLzBizsBgTBjIyqenixfsI/aR1EUwgUDMooYOWRu3y1qxEH q5qVczlaRwFP67MnJVHnovVKSFcatNS3cQkrKv9nz3MJuzClMb7ToZTSiDu4deEfeM8I A4dNHgRg2mO6Ios0LLJ6vp9vvAATqg9FZXnCGjjitPOpTI+iw642/wwIYZaYiCoF32E7 sIWQ== X-Gm-Message-State: AOAM532GXGp0KcP8UH0KAR3Ath6HzdMnn1vxiuHtHwYFO5q62lHayTlj 99PD+CNuHW34U/+zbIWCX7zZwA== X-Google-Smtp-Source: ABdhPJw7NRuoQzYialN/ofxRojlC+rMlNFgTAaoktigERArvcxUcZfxMwsO4ZIqBe2qOY/2d56FPug== X-Received: by 2002:a05:6000:2a4:: with SMTP id l4mr40910111wry.460.1641232601515; Mon, 03 Jan 2022 09:56:41 -0800 (PST) Received: from localhost.localdomain ([2001:861:44c0:66c0:7c9d:a967:38e2:5220]) by smtp.gmail.com with ESMTPSA id f13sm35763228wri.51.2022.01.03.09.56.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Jan 2022 09:56:40 -0800 (PST) From: Neil Armstrong To: davem@davemloft.net, devicetree@vger.kernel.org Cc: Neil Armstrong , netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-oxnas@groups.io, linux-kernel@vger.kernel.org Subject: [PATCH net-next 1/3] dt-bindings: net: oxnas-dwmac: Add bindings for OX810SE Date: Mon, 3 Jan 2022 18:56:36 +0100 Message-Id: <20220103175638.89625-2-narmstrong@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220103175638.89625-1-narmstrong@baylibre.com> References: <20220103175638.89625-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220103_095643_494205_503F152A X-CRM114-Status: GOOD ( 11.04 ) 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 SoC specific bindings for OX810SE support. Signed-off-by: Neil Armstrong --- Documentation/devicetree/bindings/net/oxnas-dwmac.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/net/oxnas-dwmac.txt b/Documentation/devicetree/bindings/net/oxnas-dwmac.txt index d7117a22fd87..27db496f1ce8 100644 --- a/Documentation/devicetree/bindings/net/oxnas-dwmac.txt +++ b/Documentation/devicetree/bindings/net/oxnas-dwmac.txt @@ -9,6 +9,9 @@ Required properties on all platforms: - compatible: For the OX820 SoC, it should be : - "oxsemi,ox820-dwmac" to select glue - "snps,dwmac-3.512" to select IP version. + For the OX810SE SoC, it should be : + - "oxsemi,ox810se-dwmac" to select glue + - "snps,dwmac-3.512" to select IP version. - clocks: Should contain phandles to the following clocks - clock-names: Should contain the following: From patchwork Mon Jan 3 17:56:37 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 12702722 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 C05E0C433FE for ; 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Mon, 03 Jan 2022 09:56:41 -0800 (PST) From: Neil Armstrong To: davem@davemloft.net Cc: Neil Armstrong , netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-oxnas@groups.io, linux-kernel@vger.kernel.org Subject: [PATCH net-next 2/3] net: stmmac: dwmac-oxnas: Add support for OX810SE Date: Mon, 3 Jan 2022 18:56:37 +0100 Message-Id: <20220103175638.89625-3-narmstrong@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220103175638.89625-1-narmstrong@baylibre.com> References: <20220103175638.89625-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220103_095644_270664_CC0F9BFC X-CRM114-Status: GOOD ( 18.16 ) 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 support for OX810SE dwmac glue setup, which is a simplified version of the OX820 introduced later with more control on the PHY interface. Signed-off-by: Neil Armstrong --- .../net/ethernet/stmicro/stmmac/dwmac-oxnas.c | 92 ++++++++++++++----- 1 file changed, 70 insertions(+), 22 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c index adfeb8d3293d..7ffa4a4eb30f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-oxnas.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -48,12 +49,58 @@ #define DWMAC_RX_VARDELAY(d) ((d) << DWMAC_RX_VARDELAY_SHIFT) #define DWMAC_RXN_VARDELAY(d) ((d) << DWMAC_RXN_VARDELAY_SHIFT) +struct oxnas_dwmac; + +struct oxnas_dwmac_data { + void (*setup)(struct oxnas_dwmac *dwmac); +}; + struct oxnas_dwmac { struct device *dev; struct clk *clk; struct regmap *regmap; + const struct oxnas_dwmac_data *data; }; +static void oxnas_dwmac_setup_ox810se(struct oxnas_dwmac *dwmac) +{ + unsigned int value; + + /* Enable GMII_GTXCLK to follow GMII_REFCLK, required for gigabit PHY */ + value = BIT(DWMAC_CKEN_GTX) | + /* Use simple mux for 25/125 Mhz clock switching */ + BIT(DWMAC_SIMPLE_MUX); + + regmap_write(dwmac->regmap, OXNAS_DWMAC_CTRL_REGOFFSET, value); +} + +static void oxnas_dwmac_setup_ox820(struct oxnas_dwmac *dwmac) +{ + unsigned int value; + + /* Enable GMII_GTXCLK to follow GMII_REFCLK, required for gigabit PHY */ + value = BIT(DWMAC_CKEN_GTX) | + /* Use simple mux for 25/125 Mhz clock switching */ + BIT(DWMAC_SIMPLE_MUX) | + /* set auto switch tx clock source */ + BIT(DWMAC_AUTO_TX_SOURCE) | + /* enable tx & rx vardelay */ + BIT(DWMAC_CKEN_TX_OUT) | + BIT(DWMAC_CKEN_TXN_OUT) | + BIT(DWMAC_CKEN_TX_IN) | + BIT(DWMAC_CKEN_RX_OUT) | + BIT(DWMAC_CKEN_RXN_OUT) | + BIT(DWMAC_CKEN_RX_IN); + regmap_write(dwmac->regmap, OXNAS_DWMAC_CTRL_REGOFFSET, value); + + /* set tx & rx vardelay */ + value = DWMAC_TX_VARDELAY(4) | + DWMAC_TXN_VARDELAY(2) | + DWMAC_RX_VARDELAY(10) | + DWMAC_RXN_VARDELAY(8); + regmap_write(dwmac->regmap, OXNAS_DWMAC_DELAY_REGOFFSET, value); +} + static int oxnas_dwmac_init(struct platform_device *pdev, void *priv) { struct oxnas_dwmac *dwmac = priv; @@ -75,27 +122,7 @@ static int oxnas_dwmac_init(struct platform_device *pdev, void *priv) return ret; } - /* Enable GMII_GTXCLK to follow GMII_REFCLK, required for gigabit PHY */ - value |= BIT(DWMAC_CKEN_GTX) | - /* Use simple mux for 25/125 Mhz clock switching */ - BIT(DWMAC_SIMPLE_MUX) | - /* set auto switch tx clock source */ - BIT(DWMAC_AUTO_TX_SOURCE) | - /* enable tx & rx vardelay */ - BIT(DWMAC_CKEN_TX_OUT) | - BIT(DWMAC_CKEN_TXN_OUT) | - BIT(DWMAC_CKEN_TX_IN) | - BIT(DWMAC_CKEN_RX_OUT) | - BIT(DWMAC_CKEN_RXN_OUT) | - BIT(DWMAC_CKEN_RX_IN); - regmap_write(dwmac->regmap, OXNAS_DWMAC_CTRL_REGOFFSET, value); - - /* set tx & rx vardelay */ - value = DWMAC_TX_VARDELAY(4) | - DWMAC_TXN_VARDELAY(2) | - DWMAC_RX_VARDELAY(10) | - DWMAC_RXN_VARDELAY(8); - regmap_write(dwmac->regmap, OXNAS_DWMAC_DELAY_REGOFFSET, value); + dwmac->data->setup(dwmac); return 0; } @@ -128,6 +155,12 @@ static int oxnas_dwmac_probe(struct platform_device *pdev) goto err_remove_config_dt; } + dwmac->data = (const struct oxnas_dwmac_data *)of_device_get_match_data(&pdev->dev); + if (!dwmac->data) { + ret = -EINVAL; + goto err_remove_config_dt; + } + dwmac->dev = &pdev->dev; plat_dat->bsp_priv = dwmac; plat_dat->init = oxnas_dwmac_init; @@ -166,8 +199,23 @@ static int oxnas_dwmac_probe(struct platform_device *pdev) return ret; } +static const struct oxnas_dwmac_data ox810se_dwmac_data = { + .setup = oxnas_dwmac_setup_ox810se, +}; + +static const struct oxnas_dwmac_data ox820_dwmac_data = { + .setup = oxnas_dwmac_setup_ox820, +}; + static const struct of_device_id oxnas_dwmac_match[] = { - { .compatible = "oxsemi,ox820-dwmac" }, + { + .compatible = "oxsemi,ox810se-dwmac", + .data = &ox810se_dwmac_data, + }, + { + .compatible = "oxsemi,ox820-dwmac", + .data = &ox820_dwmac_data, + }, { } }; MODULE_DEVICE_TABLE(of, oxnas_dwmac_match); From patchwork Tue Jan 4 08:11:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 12703238 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 30697C433EF for ; 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Tue, 04 Jan 2022 00:12:02 -0800 (PST) From: Neil Armstrong To: linux-oxnas@groups.io Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Neil Armstrong Subject: [PATCH 3/3] ARM: dts: ox810se: Add Ethernet support Date: Tue, 4 Jan 2022 09:11:55 +0100 Message-Id: <20220104081155.91120-1-narmstrong@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220103175638.89625-1-narmstrong@baylibre.com> References: <20220103175638.89625-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220104_001205_270906_556008B2 X-CRM114-Status: GOOD ( 13.05 ) 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 nodes for the embedded Synopsys DWMAC Ethernet controller. Signed-off-by: Neil Armstrong --- arch/arm/boot/dts/ox810se-wd-mbwe.dts | 4 ++++ arch/arm/boot/dts/ox810se.dtsi | 18 ++++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/arch/arm/boot/dts/ox810se-wd-mbwe.dts b/arch/arm/boot/dts/ox810se-wd-mbwe.dts index 7e2fcb220aea..c59e06ff2423 100644 --- a/arch/arm/boot/dts/ox810se-wd-mbwe.dts +++ b/arch/arm/boot/dts/ox810se-wd-mbwe.dts @@ -103,6 +103,10 @@ rtc0: rtc@48 { }; }; +ða { + status = "okay"; +}; + &uart1 { status = "okay"; diff --git a/arch/arm/boot/dts/ox810se.dtsi b/arch/arm/boot/dts/ox810se.dtsi index 0755e5864c4a..96c0745f7b70 100644 --- a/arch/arm/boot/dts/ox810se.dtsi +++ b/arch/arm/boot/dts/ox810se.dtsi @@ -81,6 +81,24 @@ soc { ranges; interrupt-parent = <&intc>; + etha: ethernet@40400000 { + compatible = "oxsemi,ox810se-dwmac", "snps,dwmac"; + reg = <0x40400000 0x2000>; + interrupts = <8>; + interrupt-names = "macirq"; + mac-address = [000000000000]; /* Filled in by U-Boot */ + phy-mode = "rgmii"; + + clocks = <&stdclk 6>, <&gmacclk>; + clock-names = "gmac", "stmmaceth"; + resets = <&reset 6>; + + /* Regmap for sys registers */ + oxsemi,sys-ctrl = <&sys>; + + status = "disabled"; + }; + apb-bridge@44000000 { #address-cells = <1>; #size-cells = <1>;