From patchwork Tue Dec 7 01:54:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?QmlhbyBIdWFuZyAo6buE5b2qKQ==?= X-Patchwork-Id: 12660831 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 243A1C433EF for ; Tue, 7 Dec 2021 01:59:27 +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=e8D11o8dH3Y+nECnexIdj9dNYP+hzWQI5z+VWAESK+g=; b=HQAfieYhwtTysc SZVfmcZuXBUTfofucGoUrvFisQERgiKAVCGjJ+zQsMln3QF7AdpB2AzsMoGaopj7QGJTQMxHf5RF6 aTNsMQWJCzEjhLT3hEOyavzN6y/H9yMPxXkgwy9KAQ0i7O3p4Ti22b3mSF4kZ1jLb6kez8iUuPUwC NNr2bVW6gWmYxG+RCM8En6ilQwUGmex3hepLMg0Y4VF+xZ2ToZvgCuVk0Vue+Uz0CXhg4J7kTclvP tyB/0+W0n4fvafLhefD09KHDj6xK/ABmVvcoNKHPBawpfU+krJFtpJ/t7DPrpaefxLHdHMdVOnGCd Y2QsfgEeziXw6RtzfQsw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1muPlI-006gkE-D3; Tue, 07 Dec 2021 01:59:20 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1muPhX-006eUs-QL; Tue, 07 Dec 2021 01:55:29 +0000 X-UUID: 2d14654839f0481e9185eea4fecca497-20211206 X-UUID: 2d14654839f0481e9185eea4fecca497-20211206 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1257477331; Mon, 06 Dec 2021 18:55:23 -0700 Received: from mtkmbs10n1.mediatek.inc (172.21.101.34) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 6 Dec 2021 17:55:21 -0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Tue, 7 Dec 2021 09:55:19 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 7 Dec 2021 09:55:18 +0800 From: Biao Huang To: , Jakub Kicinski , Rob Herring CC: Matthias Brugger , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Biao Huang , , , , , , , , , , Subject: [PATCH v5 1/7] net-next: stmmac: dwmac-mediatek: add platform level clocks management Date: Tue, 7 Dec 2021 09:54:59 +0800 Message-ID: <20211207015505.16746-2-biao.huang@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211207015505.16746-1-biao.huang@mediatek.com> References: <20211207015505.16746-1-biao.huang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211206_175527_887511_7390D94A X-CRM114-Status: GOOD ( 13.29 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org This patch implements clks_config callback for dwmac-mediatek platform, which could support platform level clocks management. Signed-off-by: Biao Huang --- .../ethernet/stmicro/stmmac/dwmac-mediatek.c | 25 +++++++++++++------ 1 file changed, 18 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c index 58c0feaa8131..0ff57c268dca 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c @@ -9,7 +9,6 @@ #include #include #include -#include #include #include @@ -359,9 +358,6 @@ static int mediatek_dwmac_init(struct platform_device *pdev, void *priv) return ret; } - pm_runtime_enable(&pdev->dev); - pm_runtime_get_sync(&pdev->dev); - return 0; } @@ -370,11 +366,25 @@ static void mediatek_dwmac_exit(struct platform_device *pdev, void *priv) struct mediatek_dwmac_plat_data *plat = priv; clk_bulk_disable_unprepare(plat->num_clks_to_config, plat->clks); - - pm_runtime_put_sync(&pdev->dev); - pm_runtime_disable(&pdev->dev); } +static int mediatek_dwmac_clks_config(void *priv, bool enabled) +{ + struct mediatek_dwmac_plat_data *plat = priv; + int ret = 0; + + if (enabled) { + ret = clk_bulk_prepare_enable(plat->num_clks_to_config, plat->clks); + if (ret) { + dev_err(plat->dev, "failed to enable clks, err = %d\n", ret); + return ret; + } + } else { + clk_bulk_disable_unprepare(plat->num_clks_to_config, plat->clks); + } + + return ret; +} static int mediatek_dwmac_probe(struct platform_device *pdev) { struct mediatek_dwmac_plat_data *priv_plat; @@ -420,6 +430,7 @@ static int mediatek_dwmac_probe(struct platform_device *pdev) plat_dat->bsp_priv = priv_plat; plat_dat->init = mediatek_dwmac_init; plat_dat->exit = mediatek_dwmac_exit; + plat_dat->clks_config = mediatek_dwmac_clks_config; mediatek_dwmac_init(pdev, priv_plat); ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); From patchwork Tue Dec 7 01:55:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?QmlhbyBIdWFuZyAo6buE5b2qKQ==?= X-Patchwork-Id: 12660845 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 1B250C433EF for ; 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Tue, 7 Dec 2021 09:55:19 +0800 From: Biao Huang To: , Jakub Kicinski , Rob Herring CC: Matthias Brugger , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Biao Huang , , , , , , , , , , Subject: [PATCH v5 2/7] net-next: stmmac: dwmac-mediatek: Reuse more common features Date: Tue, 7 Dec 2021 09:55:00 +0800 Message-ID: <20211207015505.16746-3-biao.huang@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211207015505.16746-1-biao.huang@mediatek.com> References: <20211207015505.16746-1-biao.huang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211206_175727_356758_0990B5E2 X-CRM114-Status: GOOD ( 11.33 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org This patch makes dwmac-mediatek reuse more features supported by stmmac_platform.c. Signed-off-by: Biao Huang Acked-by: AngeloGioacchino Del Regno --- .../ethernet/stmicro/stmmac/dwmac-mediatek.c | 32 +++++++++---------- 1 file changed, 15 insertions(+), 17 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c index 0ff57c268dca..8747aa4403e8 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c @@ -334,22 +334,20 @@ static int mediatek_dwmac_init(struct platform_device *pdev, void *priv) const struct mediatek_dwmac_variant *variant = plat->variant; int ret; - ret = dma_set_mask_and_coherent(plat->dev, DMA_BIT_MASK(variant->dma_bit_mask)); - if (ret) { - dev_err(plat->dev, "No suitable DMA available, err = %d\n", ret); - return ret; - } - - ret = variant->dwmac_set_phy_interface(plat); - if (ret) { - dev_err(plat->dev, "failed to set phy interface, err = %d\n", ret); - return ret; + if (variant->dwmac_set_phy_interface) { + ret = variant->dwmac_set_phy_interface(plat); + if (ret) { + dev_err(plat->dev, "failed to set phy interface, err = %d\n", ret); + return ret; + } } - ret = variant->dwmac_set_delay(plat); - if (ret) { - dev_err(plat->dev, "failed to set delay value, err = %d\n", ret); - return ret; + if (variant->dwmac_set_delay) { + ret = variant->dwmac_set_delay(plat); + if (ret) { + dev_err(plat->dev, "failed to set delay value, err = %d\n", ret); + return ret; + } } ret = clk_bulk_prepare_enable(plat->num_clks_to_config, plat->clks); @@ -422,15 +420,15 @@ static int mediatek_dwmac_probe(struct platform_device *pdev) return PTR_ERR(plat_dat); plat_dat->interface = priv_plat->phy_mode; - plat_dat->has_gmac4 = 1; - plat_dat->has_gmac = 0; - plat_dat->pmt = 0; + plat_dat->use_phy_wol = 1; plat_dat->riwt_off = 1; plat_dat->maxmtu = ETH_DATA_LEN; + plat_dat->addr64 = priv_plat->variant->dma_bit_mask; plat_dat->bsp_priv = priv_plat; plat_dat->init = mediatek_dwmac_init; plat_dat->exit = mediatek_dwmac_exit; plat_dat->clks_config = mediatek_dwmac_clks_config; + mediatek_dwmac_init(pdev, priv_plat); ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); From patchwork Tue Dec 7 01:55:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?QmlhbyBIdWFuZyAo6buE5b2qKQ==?= X-Patchwork-Id: 12660833 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 ADCFFC433EF for ; Tue, 7 Dec 2021 01:59:29 +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; 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Mon, 06 Dec 2021 18:55:25 -0700 Received: from mtkmbs10n1.mediatek.inc (172.21.101.34) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 6 Dec 2021 17:55:23 -0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Tue, 7 Dec 2021 09:55:22 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 7 Dec 2021 09:55:20 +0800 From: Biao Huang To: , Jakub Kicinski , Rob Herring CC: Matthias Brugger , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Biao Huang , , , , , , , , , , Subject: [PATCH v5 3/7] arm64: dts: mt2712: update ethernet device node Date: Tue, 7 Dec 2021 09:55:01 +0800 Message-ID: <20211207015505.16746-4-biao.huang@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211207015505.16746-1-biao.huang@mediatek.com> References: <20211207015505.16746-1-biao.huang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211206_175528_172205_6570851C X-CRM114-Status: GOOD ( 10.84 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Since there are some changes in ethernet driver, update ethernet device node in dts to accommodate to it. Signed-off-by: Biao Huang --- arch/arm64/boot/dts/mediatek/mt2712-evb.dts | 1 + arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 14 +++++++++----- 2 files changed, 10 insertions(+), 5 deletions(-) diff --git a/arch/arm64/boot/dts/mediatek/mt2712-evb.dts b/arch/arm64/boot/dts/mediatek/mt2712-evb.dts index 7d369fdd3117..11aa135aa0f3 100644 --- a/arch/arm64/boot/dts/mediatek/mt2712-evb.dts +++ b/arch/arm64/boot/dts/mediatek/mt2712-evb.dts @@ -110,6 +110,7 @@ ð { phy-handle = <ðernet_phy0>; mediatek,tx-delay-ps = <1530>; snps,reset-gpio = <&pio 87 GPIO_ACTIVE_LOW>; + snps,reset-delays-us = <0 10000 10000>; pinctrl-names = "default", "sleep"; pinctrl-0 = <ð_default>; pinctrl-1 = <ð_sleep>; diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi index a9cca9c146fd..9e850e04fffb 100644 --- a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi @@ -726,7 +726,7 @@ queue2 { }; eth: ethernet@1101c000 { - compatible = "mediatek,mt2712-gmac"; + compatible = "mediatek,mt2712-gmac", "snps,dwmac-4.20a"; reg = <0 0x1101c000 0 0x1300>; interrupts = ; interrupt-names = "macirq"; @@ -734,15 +734,19 @@ eth: ethernet@1101c000 { clock-names = "axi", "apb", "mac_main", - "ptp_ref"; + "ptp_ref", + "rmii_internal"; clocks = <&pericfg CLK_PERI_GMAC>, <&pericfg CLK_PERI_GMAC_PCLK>, <&topckgen CLK_TOP_ETHER_125M_SEL>, - <&topckgen CLK_TOP_ETHER_50M_SEL>; + <&topckgen CLK_TOP_ETHER_50M_SEL>, + <&topckgen CLK_TOP_ETHER_50M_RMII_SEL>; assigned-clocks = <&topckgen CLK_TOP_ETHER_125M_SEL>, - <&topckgen CLK_TOP_ETHER_50M_SEL>; + <&topckgen CLK_TOP_ETHER_50M_SEL>, + <&topckgen CLK_TOP_ETHER_50M_RMII_SEL>; assigned-clock-parents = <&topckgen CLK_TOP_ETHERPLL_125M>, - <&topckgen CLK_TOP_APLL1_D3>; + <&topckgen CLK_TOP_APLL1_D3>, + <&topckgen CLK_TOP_ETHERPLL_50M>; power-domains = <&scpsys MT2712_POWER_DOMAIN_AUDIO>; mediatek,pericfg = <&pericfg>; snps,axi-config = <&stmmac_axi_setup>; From patchwork Tue Dec 7 01:55:02 2021 Content-Type: text/plain; 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Mon, 06 Dec 2021 18:55:25 -0700 Received: from mtkmbs10n1.mediatek.inc (172.21.101.34) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 6 Dec 2021 17:55:24 -0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Tue, 7 Dec 2021 09:55:23 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 7 Dec 2021 09:55:22 +0800 From: Biao Huang To: , Jakub Kicinski , Rob Herring CC: Matthias Brugger , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Biao Huang , , , , , , , , , , Subject: [PATCH v5 4/7] net-next: dt-bindings: dwmac: Convert mediatek-dwmac to DT schema Date: Tue, 7 Dec 2021 09:55:02 +0800 Message-ID: <20211207015505.16746-5-biao.huang@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211207015505.16746-1-biao.huang@mediatek.com> References: <20211207015505.16746-1-biao.huang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211206_175529_424848_621C3967 X-CRM114-Status: GOOD ( 23.56 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Convert mediatek-dwmac to DT schema, and delete old mediatek-dwmac.txt. And there are some changes in .yaml than .txt, others almost keep the same: 1. compatible "const: snps,dwmac-4.20". 2. delete "snps,reset-active-low;" in example, since driver remove this property long ago. 3. add "snps,reset-delay-us = <0 10000 10000>" in example. 4. the example is for rgmii interface, keep related properties only. Signed-off-by: Biao Huang --- .../bindings/net/mediatek-dwmac.txt | 91 ---------- .../bindings/net/mediatek-dwmac.yaml | 156 ++++++++++++++++++ 2 files changed, 156 insertions(+), 91 deletions(-) delete mode 100644 Documentation/devicetree/bindings/net/mediatek-dwmac.txt create mode 100644 Documentation/devicetree/bindings/net/mediatek-dwmac.yaml diff --git a/Documentation/devicetree/bindings/net/mediatek-dwmac.txt b/Documentation/devicetree/bindings/net/mediatek-dwmac.txt deleted file mode 100644 index afbcaebf062e..000000000000 --- a/Documentation/devicetree/bindings/net/mediatek-dwmac.txt +++ /dev/null @@ -1,91 +0,0 @@ -MediaTek DWMAC glue layer controller - -This file documents platform glue layer for stmmac. -Please see stmmac.txt for the other unchanged properties. - -The device node has following properties. - -Required properties: -- compatible: Should be "mediatek,mt2712-gmac" for MT2712 SoC -- reg: Address and length of the register set for the device -- interrupts: Should contain the MAC interrupts -- interrupt-names: Should contain a list of interrupt names corresponding to - the interrupts in the interrupts property, if available. - Should be "macirq" for the main MAC IRQ -- clocks: Must contain a phandle for each entry in clock-names. -- clock-names: The name of the clock listed in the clocks property. These are - "axi", "apb", "mac_main", "ptp_ref", "rmii_internal" for MT2712 SoC. -- mac-address: See ethernet.txt in the same directory -- phy-mode: See ethernet.txt in the same directory -- mediatek,pericfg: A phandle to the syscon node that control ethernet - interface and timing delay. - -Optional properties: -- mediatek,tx-delay-ps: TX clock delay macro value. Default is 0. - It should be defined for RGMII/MII interface. - It should be defined for RMII interface when the reference clock is from MT2712 SoC. -- mediatek,rx-delay-ps: RX clock delay macro value. Default is 0. - It should be defined for RGMII/MII interface. - It should be defined for RMII interface. -Both delay properties need to be a multiple of 170 for RGMII interface, -or will round down. Range 0~31*170. -Both delay properties need to be a multiple of 550 for MII/RMII interface, -or will round down. Range 0~31*550. - -- mediatek,rmii-rxc: boolean property, if present indicates that the RMII - reference clock, which is from external PHYs, is connected to RXC pin - on MT2712 SoC. - Otherwise, is connected to TXC pin. -- mediatek,rmii-clk-from-mac: boolean property, if present indicates that - MT2712 SoC provides the RMII reference clock, which outputs to TXC pin only. -- mediatek,txc-inverse: boolean property, if present indicates that - 1. tx clock will be inversed in MII/RGMII case, - 2. tx clock inside MAC will be inversed relative to reference clock - which is from external PHYs in RMII case, and it rarely happen. - 3. the reference clock, which outputs to TXC pin will be inversed in RMII case - when the reference clock is from MT2712 SoC. -- mediatek,rxc-inverse: boolean property, if present indicates that - 1. rx clock will be inversed in MII/RGMII case. - 2. reference clock will be inversed when arrived at MAC in RMII case, when - the reference clock is from external PHYs. - 3. the inside clock, which be sent to MAC, will be inversed in RMII case when - the reference clock is from MT2712 SoC. -- assigned-clocks: mac_main and ptp_ref clocks -- assigned-clock-parents: parent clocks of the assigned clocks - -Example: - eth: ethernet@1101c000 { - compatible = "mediatek,mt2712-gmac"; - reg = <0 0x1101c000 0 0x1300>; - interrupts = ; - interrupt-names = "macirq"; - phy-mode ="rgmii-rxid"; - mac-address = [00 55 7b b5 7d f7]; - clock-names = "axi", - "apb", - "mac_main", - "ptp_ref", - "rmii_internal"; - clocks = <&pericfg CLK_PERI_GMAC>, - <&pericfg CLK_PERI_GMAC_PCLK>, - <&topckgen CLK_TOP_ETHER_125M_SEL>, - <&topckgen CLK_TOP_ETHER_50M_SEL>, - <&topckgen CLK_TOP_ETHER_50M_RMII_SEL>; - assigned-clocks = <&topckgen CLK_TOP_ETHER_125M_SEL>, - <&topckgen CLK_TOP_ETHER_50M_SEL>, - <&topckgen CLK_TOP_ETHER_50M_RMII_SEL>; - assigned-clock-parents = <&topckgen CLK_TOP_ETHERPLL_125M>, - <&topckgen CLK_TOP_APLL1_D3>, - <&topckgen CLK_TOP_ETHERPLL_50M>; - power-domains = <&scpsys MT2712_POWER_DOMAIN_AUDIO>; - mediatek,pericfg = <&pericfg>; - mediatek,tx-delay-ps = <1530>; - mediatek,rx-delay-ps = <1530>; - mediatek,rmii-rxc; - mediatek,txc-inverse; - mediatek,rxc-inverse; - snps,txpbl = <1>; - snps,rxpbl = <1>; - snps,reset-gpio = <&pio 87 GPIO_ACTIVE_LOW>; - snps,reset-active-low; - }; diff --git a/Documentation/devicetree/bindings/net/mediatek-dwmac.yaml b/Documentation/devicetree/bindings/net/mediatek-dwmac.yaml new file mode 100644 index 000000000000..9207266a6e69 --- /dev/null +++ b/Documentation/devicetree/bindings/net/mediatek-dwmac.yaml @@ -0,0 +1,156 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/mediatek-dwmac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek DWMAC glue layer controller + +maintainers: + - Biao Huang + +description: + This file documents platform glue layer for stmmac. + +# We need a select here so we don't match all nodes with 'snps,dwmac' +select: + properties: + compatible: + contains: + enum: + - mediatek,mt2712-gmac + required: + - compatible + +allOf: + - $ref: "snps,dwmac.yaml#" + +properties: + compatible: + oneOf: + - items: + - enum: + - mediatek,mt2712-gmac + - const: snps,dwmac-4.20a + + clocks: + items: + - description: AXI clock + - description: APB clock + - description: MAC Main clock + - description: PTP clock + - description: RMII reference clock provided by MAC + + clock-names: + items: + - const: axi + - const: apb + - const: mac_main + - const: ptp_ref + - const: rmii_internal + + mediatek,pericfg: + $ref: /schemas/types.yaml#/definitions/phandle + description: + The phandle to the syscon node that control ethernet + interface and timing delay. + + mediatek,tx-delay-ps: + description: + The internal TX clock delay (provided by this driver) in nanoseconds. + For MT2712 RGMII interface, Allowed value need to be a multiple of 170, + or will round down. Range 0~31*170. + For MT2712 RMII/MII interface, Allowed value need to be a multiple of 550, + or will round down. Range 0~31*550. + + mediatek,rx-delay-ps: + description: + The internal RX clock delay (provided by this driver) in nanoseconds. + For MT2712 RGMII interface, Allowed value need to be a multiple of 170, + or will round down. Range 0~31*170. + For MT2712 RMII/MII interface, Allowed value need to be a multiple of 550, + or will round down. Range 0~31*550. + + mediatek,rmii-rxc: + type: boolean + description: + If present, indicates that the RMII reference clock, which is from external + PHYs, is connected to RXC pin. Otherwise, is connected to TXC pin. + + mediatek,rmii-clk-from-mac: + type: boolean + description: + If present, indicates that MAC provides the RMII reference clock, which + outputs to TXC pin only. + + mediatek,txc-inverse: + type: boolean + description: + If present, indicates that + 1. tx clock will be inversed in MII/RGMII case, + 2. tx clock inside MAC will be inversed relative to reference clock + which is from external PHYs in RMII case, and it rarely happen. + 3. the reference clock, which outputs to TXC pin will be inversed in RMII case + when the reference clock is from MAC. + + mediatek,rxc-inverse: + type: boolean + description: + If present, indicates that + 1. rx clock will be inversed in MII/RGMII case. + 2. reference clock will be inversed when arrived at MAC in RMII case, when + the reference clock is from external PHYs. + 3. the inside clock, which be sent to MAC, will be inversed in RMII case when + the reference clock is from MAC. + +required: + - compatible + - reg + - interrupts + - interrupt-names + - clocks + - clock-names + - phy-mode + - mediatek,pericfg + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + #include + #include + + eth: ethernet@1101c000 { + compatible = "mediatek,mt2712-gmac", "snps,dwmac-4.20a"; + reg = <0x1101c000 0x1300>; + interrupts = ; + interrupt-names = "macirq"; + phy-mode ="rgmii-rxid"; + mac-address = [00 55 7b b5 7d f7]; + clock-names = "axi", + "apb", + "mac_main", + "ptp_ref", + "rmii_internal"; + clocks = <&pericfg CLK_PERI_GMAC>, + <&pericfg CLK_PERI_GMAC_PCLK>, + <&topckgen CLK_TOP_ETHER_125M_SEL>, + <&topckgen CLK_TOP_ETHER_50M_SEL>, + <&topckgen CLK_TOP_ETHER_50M_RMII_SEL>; + assigned-clocks = <&topckgen CLK_TOP_ETHER_125M_SEL>, + <&topckgen CLK_TOP_ETHER_50M_SEL>, + <&topckgen CLK_TOP_ETHER_50M_RMII_SEL>; + assigned-clock-parents = <&topckgen CLK_TOP_ETHERPLL_125M>, + <&topckgen CLK_TOP_APLL1_D3>, + <&topckgen CLK_TOP_ETHERPLL_50M>; + power-domains = <&scpsys MT2712_POWER_DOMAIN_AUDIO>; + mediatek,pericfg = <&pericfg>; + mediatek,tx-delay-ps = <1530>; + snps,txpbl = <1>; + snps,rxpbl = <1>; + snps,reset-gpio = <&pio 87 GPIO_ACTIVE_LOW>; + snps,reset-delays-us = <0 10000 10000>; + }; From patchwork Tue Dec 7 01:55:03 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?QmlhbyBIdWFuZyAo6buE5b2qKQ==?= X-Patchwork-Id: 12660841 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 90FB0C433F5 for ; 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Tue, 7 Dec 2021 09:55:23 +0800 From: Biao Huang To: , Jakub Kicinski , Rob Herring CC: Matthias Brugger , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Biao Huang , , , , , , , , , , Subject: [PATCH v5 5/7] net-next: stmmac: dwmac-mediatek: add support for mt8195 Date: Tue, 7 Dec 2021 09:55:03 +0800 Message-ID: <20211207015505.16746-6-biao.huang@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211207015505.16746-1-biao.huang@mediatek.com> References: <20211207015505.16746-1-biao.huang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211206_175533_143576_6D087FA9 X-CRM114-Status: GOOD ( 23.94 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add Ethernet support for MediaTek SoCs from the mt8195 family. Signed-off-by: Biao Huang Acked-by: AngeloGioacchino Del Regno --- .../ethernet/stmicro/stmmac/dwmac-mediatek.c | 253 +++++++++++++++++- 1 file changed, 252 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c index 8747aa4403e8..ce11c0d01014 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c @@ -39,6 +39,33 @@ #define ETH_FINE_DLY_GTXC BIT(1) #define ETH_FINE_DLY_RXC BIT(0) +/* Peri Configuration register for mt8195 */ +#define MT8195_PERI_ETH_CTRL0 0xFD0 +#define MT8195_RMII_CLK_SRC_INTERNAL BIT(28) +#define MT8195_RMII_CLK_SRC_RXC BIT(27) +#define MT8195_ETH_INTF_SEL GENMASK(26, 24) +#define MT8195_RGMII_TXC_PHASE_CTRL BIT(22) +#define MT8195_EXT_PHY_MODE BIT(21) +#define MT8195_DLY_GTXC_INV BIT(12) +#define MT8195_DLY_GTXC_ENABLE BIT(5) +#define MT8195_DLY_GTXC_STAGES GENMASK(4, 0) + +#define MT8195_PERI_ETH_CTRL1 0xFD4 +#define MT8195_DLY_RXC_INV BIT(25) +#define MT8195_DLY_RXC_ENABLE BIT(18) +#define MT8195_DLY_RXC_STAGES GENMASK(17, 13) +#define MT8195_DLY_TXC_INV BIT(12) +#define MT8195_DLY_TXC_ENABLE BIT(5) +#define MT8195_DLY_TXC_STAGES GENMASK(4, 0) + +#define MT8195_PERI_ETH_CTRL2 0xFD8 +#define MT8195_DLY_RMII_RXC_INV BIT(25) +#define MT8195_DLY_RMII_RXC_ENABLE BIT(18) +#define MT8195_DLY_RMII_RXC_STAGES GENMASK(17, 13) +#define MT8195_DLY_RMII_TXC_INV BIT(12) +#define MT8195_DLY_RMII_TXC_ENABLE BIT(5) +#define MT8195_DLY_RMII_TXC_STAGES GENMASK(4, 0) + struct mac_delay_struct { u32 tx_delay; u32 rx_delay; @@ -57,11 +84,13 @@ struct mediatek_dwmac_plat_data { int num_clks_to_config; bool rmii_clk_from_mac; bool rmii_rxc; + bool mac_wol; }; struct mediatek_dwmac_variant { int (*dwmac_set_phy_interface)(struct mediatek_dwmac_plat_data *plat); int (*dwmac_set_delay)(struct mediatek_dwmac_plat_data *plat); + void (*dwmac_fix_mac_speed)(void *priv, unsigned int speed); /* clock ids to be requested */ const char * const *clk_list; @@ -77,6 +106,10 @@ static const char * const mt2712_dwmac_clk_l[] = { "axi", "apb", "mac_main", "ptp_ref", "rmii_internal" }; +static const char * const mt8195_dwmac_clk_l[] = { + "axi", "apb", "mac_cg", "mac_main", "ptp_ref", "rmii_internal" +}; + static int mt2712_set_interface(struct mediatek_dwmac_plat_data *plat) { int rmii_clk_from_mac = plat->rmii_clk_from_mac ? RMII_CLK_SRC_INTERNAL : 0; @@ -267,6 +300,204 @@ static const struct mediatek_dwmac_variant mt2712_gmac_variant = { .tx_delay_max = 17600, }; +static int mt8195_set_interface(struct mediatek_dwmac_plat_data *plat) +{ + int rmii_clk_from_mac = plat->rmii_clk_from_mac ? MT8195_RMII_CLK_SRC_INTERNAL : 0; + int rmii_rxc = plat->rmii_rxc ? MT8195_RMII_CLK_SRC_RXC : 0; + u32 intf_val = 0; + + /* The clock labeled as "rmii_internal" in mt8195_dwmac_clk_l is needed + * only in RMII(when MAC provides the reference clock), and useless for + * RGMII/MII/RMII(when PHY provides the reference clock). + * num_clks_to_config indicates the real number of clocks should be + * configured, equals to (plat->variant->num_clks - 1) in default for all the case, + * then +1 for rmii_clk_from_mac case. + */ + plat->num_clks_to_config = plat->variant->num_clks - 1; + + /* select phy interface in top control domain */ + switch (plat->phy_mode) { + case PHY_INTERFACE_MODE_MII: + intf_val |= FIELD_PREP(MT8195_ETH_INTF_SEL, PHY_INTF_MII); + break; + case PHY_INTERFACE_MODE_RMII: + if (plat->rmii_clk_from_mac) + plat->num_clks_to_config++; + intf_val |= (rmii_rxc | rmii_clk_from_mac); + intf_val |= FIELD_PREP(MT8195_ETH_INTF_SEL, PHY_INTF_RMII); + break; + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_TXID: + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_ID: + intf_val |= FIELD_PREP(MT8195_ETH_INTF_SEL, PHY_INTF_RGMII); + break; + default: + dev_err(plat->dev, "phy interface not supported\n"); + return -EINVAL; + } + + /* MT8195 only support external PHY */ + intf_val |= MT8195_EXT_PHY_MODE; + + regmap_write(plat->peri_regmap, MT8195_PERI_ETH_CTRL0, intf_val); + + return 0; +} + +static void mt8195_delay_ps2stage(struct mediatek_dwmac_plat_data *plat) +{ + struct mac_delay_struct *mac_delay = &plat->mac_delay; + + /* 290ps per stage */ + mac_delay->tx_delay /= 290; + mac_delay->rx_delay /= 290; +} + +static void mt8195_delay_stage2ps(struct mediatek_dwmac_plat_data *plat) +{ + struct mac_delay_struct *mac_delay = &plat->mac_delay; + + /* 290ps per stage */ + mac_delay->tx_delay *= 290; + mac_delay->rx_delay *= 290; +} + +static int mt8195_set_delay(struct mediatek_dwmac_plat_data *plat) +{ + struct mac_delay_struct *mac_delay = &plat->mac_delay; + u32 gtxc_delay_val, delay_val = 0, rmii_delay_val = 0; + + mt8195_delay_ps2stage(plat); + + switch (plat->phy_mode) { + case PHY_INTERFACE_MODE_MII: + delay_val |= FIELD_PREP(MT8195_DLY_TXC_ENABLE, !!mac_delay->tx_delay); + delay_val |= FIELD_PREP(MT8195_DLY_TXC_STAGES, mac_delay->tx_delay); + delay_val |= FIELD_PREP(MT8195_DLY_TXC_INV, mac_delay->tx_inv); + + delay_val |= FIELD_PREP(MT8195_DLY_RXC_ENABLE, !!mac_delay->rx_delay); + delay_val |= FIELD_PREP(MT8195_DLY_RXC_STAGES, mac_delay->rx_delay); + delay_val |= FIELD_PREP(MT8195_DLY_RXC_INV, mac_delay->rx_inv); + break; + case PHY_INTERFACE_MODE_RMII: + if (plat->rmii_clk_from_mac) { + /* case 1: mac provides the rmii reference clock, + * and the clock output to TXC pin. + * The egress timing can be adjusted by RMII_TXC delay macro circuit. + * The ingress timing can be adjusted by RMII_RXC delay macro circuit. + */ + rmii_delay_val |= FIELD_PREP(MT8195_DLY_RMII_TXC_ENABLE, + !!mac_delay->tx_delay); + rmii_delay_val |= FIELD_PREP(MT8195_DLY_RMII_TXC_STAGES, + mac_delay->tx_delay); + rmii_delay_val |= FIELD_PREP(MT8195_DLY_RMII_TXC_INV, + mac_delay->tx_inv); + + rmii_delay_val |= FIELD_PREP(MT8195_DLY_RMII_RXC_ENABLE, + !!mac_delay->rx_delay); + rmii_delay_val |= FIELD_PREP(MT8195_DLY_RMII_RXC_STAGES, + mac_delay->rx_delay); + rmii_delay_val |= FIELD_PREP(MT8195_DLY_RMII_RXC_INV, + mac_delay->rx_inv); + } else { + /* case 2: the rmii reference clock is from external phy, + * and the property "rmii_rxc" indicates which pin(TXC/RXC) + * the reference clk is connected to. The reference clock is a + * received signal, so rx_delay/rx_inv are used to indicate + * the reference clock timing adjustment + */ + if (plat->rmii_rxc) { + /* the rmii reference clock from outside is connected + * to RXC pin, the reference clock will be adjusted + * by RXC delay macro circuit. + */ + delay_val |= FIELD_PREP(MT8195_DLY_RXC_ENABLE, + !!mac_delay->rx_delay); + delay_val |= FIELD_PREP(MT8195_DLY_RXC_STAGES, + mac_delay->rx_delay); + delay_val |= FIELD_PREP(MT8195_DLY_RXC_INV, + mac_delay->rx_inv); + } else { + /* the rmii reference clock from outside is connected + * to TXC pin, the reference clock will be adjusted + * by TXC delay macro circuit. + */ + delay_val |= FIELD_PREP(MT8195_DLY_TXC_ENABLE, + !!mac_delay->rx_delay); + delay_val |= FIELD_PREP(MT8195_DLY_TXC_STAGES, + mac_delay->rx_delay); + delay_val |= FIELD_PREP(MT8195_DLY_TXC_INV, + mac_delay->rx_inv); + } + } + break; + case PHY_INTERFACE_MODE_RGMII: + case PHY_INTERFACE_MODE_RGMII_TXID: + case PHY_INTERFACE_MODE_RGMII_RXID: + case PHY_INTERFACE_MODE_RGMII_ID: + gtxc_delay_val |= FIELD_PREP(MT8195_DLY_GTXC_ENABLE, !!mac_delay->tx_delay); + gtxc_delay_val |= FIELD_PREP(MT8195_DLY_GTXC_STAGES, mac_delay->tx_delay); + gtxc_delay_val |= FIELD_PREP(MT8195_DLY_GTXC_INV, mac_delay->tx_inv); + + delay_val |= FIELD_PREP(MT8195_DLY_RXC_ENABLE, !!mac_delay->rx_delay); + delay_val |= FIELD_PREP(MT8195_DLY_RXC_STAGES, mac_delay->rx_delay); + delay_val |= FIELD_PREP(MT8195_DLY_RXC_INV, mac_delay->rx_inv); + + break; + default: + dev_err(plat->dev, "phy interface not supported\n"); + return -EINVAL; + } + + regmap_update_bits(plat->peri_regmap, + MT8195_PERI_ETH_CTRL0, + MT8195_RGMII_TXC_PHASE_CTRL | + MT8195_DLY_GTXC_INV | + MT8195_DLY_GTXC_ENABLE | + MT8195_DLY_GTXC_STAGES, + gtxc_delay_val); + regmap_write(plat->peri_regmap, MT8195_PERI_ETH_CTRL1, delay_val); + regmap_write(plat->peri_regmap, MT8195_PERI_ETH_CTRL2, rmii_delay_val); + + mt8195_delay_stage2ps(plat); + + return 0; +} + +static void mt8195_fix_mac_speed(void *priv, unsigned int speed) +{ + struct mediatek_dwmac_plat_data *priv_plat = priv; + + if ((phy_interface_mode_is_rgmii(priv_plat->phy_mode))) { + /* prefer 2ns fixed delay which is controlled by TXC_PHASE_CTRL, + * when link speed is 1Gbps with RGMII interface, + * Fall back to delay macro circuit for 10/100Mbps link speed. + */ + if (speed == SPEED_1000) + regmap_update_bits(priv_plat->peri_regmap, + MT8195_PERI_ETH_CTRL0, + MT8195_RGMII_TXC_PHASE_CTRL | + MT8195_DLY_GTXC_ENABLE | + MT8195_DLY_GTXC_INV | + MT8195_DLY_GTXC_STAGES, + MT8195_RGMII_TXC_PHASE_CTRL); + else + mt8195_set_delay(priv_plat); + } +} + +static const struct mediatek_dwmac_variant mt8195_gmac_variant = { + .dwmac_set_phy_interface = mt8195_set_interface, + .dwmac_set_delay = mt8195_set_delay, + .dwmac_fix_mac_speed = mt8195_fix_mac_speed, + .clk_list = mt8195_dwmac_clk_l, + .num_clks = ARRAY_SIZE(mt8195_dwmac_clk_l), + .dma_bit_mask = 35, + .rx_delay_max = 9280, + .tx_delay_max = 9280, +}; + static int mediatek_dwmac_config_dt(struct mediatek_dwmac_plat_data *plat) { struct mac_delay_struct *mac_delay = &plat->mac_delay; @@ -307,6 +538,7 @@ static int mediatek_dwmac_config_dt(struct mediatek_dwmac_plat_data *plat) mac_delay->rx_inv = of_property_read_bool(plat->np, "mediatek,rxc-inverse"); plat->rmii_rxc = of_property_read_bool(plat->np, "mediatek,rmii-rxc"); plat->rmii_clk_from_mac = of_property_read_bool(plat->np, "mediatek,rmii-clk-from-mac"); + plat->mac_wol = of_property_read_bool(plat->np, "mediatek,mac-wol"); return 0; } @@ -383,6 +615,7 @@ static int mediatek_dwmac_clks_config(void *priv, bool enabled) return ret; } + static int mediatek_dwmac_probe(struct platform_device *pdev) { struct mediatek_dwmac_plat_data *priv_plat; @@ -420,7 +653,7 @@ static int mediatek_dwmac_probe(struct platform_device *pdev) return PTR_ERR(plat_dat); plat_dat->interface = priv_plat->phy_mode; - plat_dat->use_phy_wol = 1; + plat_dat->use_phy_wol = priv_plat->mac_wol ? 0 : 1; plat_dat->riwt_off = 1; plat_dat->maxmtu = ETH_DATA_LEN; plat_dat->addr64 = priv_plat->variant->dma_bit_mask; @@ -428,7 +661,23 @@ static int mediatek_dwmac_probe(struct platform_device *pdev) plat_dat->init = mediatek_dwmac_init; plat_dat->exit = mediatek_dwmac_exit; plat_dat->clks_config = mediatek_dwmac_clks_config; + if (priv_plat->variant->dwmac_fix_mac_speed) + plat_dat->fix_mac_speed = priv_plat->variant->dwmac_fix_mac_speed; + plat_dat->safety_feat_cfg = devm_kzalloc(&pdev->dev, + sizeof(*plat_dat->safety_feat_cfg), + GFP_KERNEL); + if (!plat_dat->safety_feat_cfg) + return -ENOMEM; + plat_dat->safety_feat_cfg->tsoee = 1; + plat_dat->safety_feat_cfg->mrxpee = 0; + plat_dat->safety_feat_cfg->mestee = 1; + plat_dat->safety_feat_cfg->mrxee = 1; + plat_dat->safety_feat_cfg->mtxee = 1; + plat_dat->safety_feat_cfg->epsi = 0; + plat_dat->safety_feat_cfg->edpp = 1; + plat_dat->safety_feat_cfg->prtyen = 1; + plat_dat->safety_feat_cfg->tmouten = 1; mediatek_dwmac_init(pdev, priv_plat); ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res); @@ -443,6 +692,8 @@ static int mediatek_dwmac_probe(struct platform_device *pdev) static const struct of_device_id mediatek_dwmac_match[] = { { .compatible = "mediatek,mt2712-gmac", .data = &mt2712_gmac_variant }, + { .compatible = "mediatek,mt8195-gmac", + .data = &mt8195_gmac_variant }, { } }; From patchwork Tue Dec 7 01:55:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?QmlhbyBIdWFuZyAo6buE5b2qKQ==?= X-Patchwork-Id: 12660839 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 0191BC433F5 for ; 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Tue, 7 Dec 2021 09:55:24 +0800 From: Biao Huang To: , Jakub Kicinski , Rob Herring CC: Matthias Brugger , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Biao Huang , , , , , , , , , , Subject: [PATCH v5 6/7] arm64: dts: mt8195: add ethernet device node Date: Tue, 7 Dec 2021 09:55:04 +0800 Message-ID: <20211207015505.16746-7-biao.huang@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211207015505.16746-1-biao.huang@mediatek.com> References: <20211207015505.16746-1-biao.huang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211206_175531_516106_BA85052E X-CRM114-Status: GOOD ( 10.07 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org This patch adds device node for mt8195 ethernet. Signed-off-by: Biao Huang --- arch/arm64/boot/dts/mediatek/mt8195-evb.dts | 92 +++++++++++++++++++++ arch/arm64/boot/dts/mediatek/mt8195.dtsi | 70 ++++++++++++++++ 2 files changed, 162 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8195-evb.dts b/arch/arm64/boot/dts/mediatek/mt8195-evb.dts index 5cce9a5d3163..d90308f80229 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195-evb.dts +++ b/arch/arm64/boot/dts/mediatek/mt8195-evb.dts @@ -5,6 +5,8 @@ */ /dts-v1/; #include "mt8195.dtsi" +#include +#include / { model = "MediaTek MT8195 evaluation board"; @@ -32,6 +34,96 @@ reserved_memory: reserved-memory { }; }; +ð { + phy-mode ="rgmii-rxid"; + phy-handle = <ð_phy0>; + snps,reset-gpio = <&pio 93 GPIO_ACTIVE_HIGH>; + snps,reset-delays-us = <0 10000 10000>; + mediatek,tx-delay-ps = <2030>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <ð_default>; + pinctrl-1 = <ð_sleep>; + status = "okay"; + + mdio { + compatible = "snps,dwmac-mdio"; + #address-cells = <1>; + #size-cells = <0>; + eth_phy0: eth_phy0@1 { + compatible = "ethernet-phy-id001c.c916"; + reg = <0x1>; + }; + }; +}; + +&pio { + eth_default: eth_default { + txd_pins { + pinmux = , + , + , + ; + drive-strength = ; + }; + cc_pins { + pinmux = , + , + , + ; + drive-strength = ; + }; + rxd_pins { + pinmux = , + , + , + ; + }; + mdio_pins { + pinmux = , + ; + input-enable; + }; + power_pins { + pinmux = , + ; + output-high; + }; + }; + + eth_sleep: eth_sleep { + txd_pins { + pinmux = , + , + , + ; + }; + cc_pins { + pinmux = , + , + , + ; + }; + rxd_pins { + pinmux = , + , + , + ; + }; + mdio_pins { + pinmux = , + ; + input-disable; + bias-disable; + }; + power_pins { + pinmux = , + ; + input-disable; + bias-disable; + }; + }; +}; + &uart0 { status = "okay"; }; diff --git a/arch/arm64/boot/dts/mediatek/mt8195.dtsi b/arch/arm64/boot/dts/mediatek/mt8195.dtsi index a59c0e9d1fc2..f30a60dca5ef 100644 --- a/arch/arm64/boot/dts/mediatek/mt8195.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8195.dtsi @@ -823,6 +823,76 @@ spis1: spi@1101e000 { status = "disabled"; }; + eth: ethernet@11021000 { + compatible = "mediatek,mt8195-gmac", "snps,dwmac-5.10a"; + reg = <0 0x11021000 0 0x4000>; + interrupts = ; + interrupt-names = "macirq"; + mac-address = [00 55 7b b5 7d f7]; + clock-names = "axi", + "apb", + "mac_cg", + "mac_main", + "ptp_ref", + "rmii_internal"; + clocks = <&pericfg_ao CLK_PERI_AO_ETHERNET>, + <&pericfg_ao CLK_PERI_AO_ETHERNET_BUS>, + <&pericfg_ao CLK_PERI_AO_ETHERNET_MAC>, + <&topckgen CLK_TOP_SNPS_ETH_250M>, + <&topckgen CLK_TOP_SNPS_ETH_62P4M_PTP>, + <&topckgen CLK_TOP_SNPS_ETH_50M_RMII>; + assigned-clocks = <&topckgen CLK_TOP_SNPS_ETH_250M>, + <&topckgen CLK_TOP_SNPS_ETH_62P4M_PTP>, + <&topckgen CLK_TOP_SNPS_ETH_50M_RMII>; + assigned-clock-parents = <&topckgen CLK_TOP_ETHPLL_D2>, + <&topckgen CLK_TOP_ETHPLL_D8>, + <&topckgen CLK_TOP_ETHPLL_D10>; + power-domains = <&spm MT8195_POWER_DOMAIN_ETHER>; + mediatek,pericfg = <&infracfg_ao>; + snps,axi-config = <&stmmac_axi_setup>; + snps,mtl-rx-config = <&mtl_rx_setup>; + snps,mtl-tx-config = <&mtl_tx_setup>; + snps,txpbl = <16>; + snps,rxpbl = <16>; + clk_csr = <0>; + status = "disabled"; + + stmmac_axi_setup: stmmac-axi-config { + snps,wr_osr_lmt = <0x7>; + snps,rd_osr_lmt = <0x7>; + snps,blen = <0 0 0 0 16 8 4>; + }; + + mtl_rx_setup: rx-queues-config { + snps,rx-queues-to-use = <1>; + snps,rx-sched-sp; + queue0 { + snps,dcb-algorithm; + snps,map-to-dma-channel = <0x0>; + snps,priority = <0x0>; + }; + }; + mtl_tx_setup: tx-queues-config { + snps,tx-queues-to-use = <3>; + snps,tx-sched-wrr; + queue0 { + snps,weight = <0x10>; + snps,dcb-algorithm; + snps,priority = <0x0>; + }; + queue1 { + snps,weight = <0x11>; + snps,dcb-algorithm; + snps,priority = <0x1>; + }; + queue2 { + snps,weight = <0x12>; + snps,dcb-algorithm; + snps,priority = <0x2>; + }; + }; + }; + mmc0: mmc@11230000 { compatible = "mediatek,mt8195-mmc", "mediatek,mt8192-mmc"; reg = <0 0x11230000 0 0x10000>, From patchwork Tue Dec 7 01:55:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?QmlhbyBIdWFuZyAo6buE5b2qKQ==?= X-Patchwork-Id: 12660837 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 73995C433EF for ; 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Tue, 7 Dec 2021 09:55:25 +0800 From: Biao Huang To: , Jakub Kicinski , Rob Herring CC: Matthias Brugger , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Biao Huang , , , , , , , , , , Subject: [PATCH v5 7/7] net-next: dt-bindings: dwmac: add support for mt8195 Date: Tue, 7 Dec 2021 09:55:05 +0800 Message-ID: <20211207015505.16746-8-biao.huang@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211207015505.16746-1-biao.huang@mediatek.com> References: <20211207015505.16746-1-biao.huang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211206_175530_504004_BBFBE46C X-CRM114-Status: GOOD ( 10.33 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add binding document for the ethernet on mt8195. Signed-off-by: Biao Huang --- .../bindings/net/mediatek-dwmac.yaml | 86 +++++++++++++++---- 1 file changed, 70 insertions(+), 16 deletions(-) diff --git a/Documentation/devicetree/bindings/net/mediatek-dwmac.yaml b/Documentation/devicetree/bindings/net/mediatek-dwmac.yaml index 9207266a6e69..fb04166404d8 100644 --- a/Documentation/devicetree/bindings/net/mediatek-dwmac.yaml +++ b/Documentation/devicetree/bindings/net/mediatek-dwmac.yaml @@ -19,11 +19,67 @@ select: contains: enum: - mediatek,mt2712-gmac + - mediatek,mt8195-gmac required: - compatible allOf: - $ref: "snps,dwmac.yaml#" + - if: + properties: + compatible: + contains: + enum: + - mediatek,mt2712-gmac + + then: + properties: + clocks: + minItems: 5 + items: + - description: AXI clock + - description: APB clock + - description: MAC Main clock + - description: PTP clock + - description: RMII reference clock provided by MAC + + clock-names: + minItems: 5 + items: + - const: axi + - const: apb + - const: mac_main + - const: ptp_ref + - const: rmii_internal + + - if: + properties: + compatible: + contains: + enum: + - mediatek,mt8195-gmac + + then: + properties: + clocks: + minItems: 6 + items: + - description: AXI clock + - description: APB clock + - description: MAC clock gate + - description: MAC Main clock + - description: PTP clock + - description: RMII reference clock provided by MAC + + clock-names: + minItems: 6 + items: + - const: axi + - const: apb + - const: mac_cg + - const: mac_main + - const: ptp_ref + - const: rmii_internal properties: compatible: @@ -32,22 +88,10 @@ properties: - enum: - mediatek,mt2712-gmac - const: snps,dwmac-4.20a - - clocks: - items: - - description: AXI clock - - description: APB clock - - description: MAC Main clock - - description: PTP clock - - description: RMII reference clock provided by MAC - - clock-names: - items: - - const: axi - - const: apb - - const: mac_main - - const: ptp_ref - - const: rmii_internal + - items: + - enum: + - mediatek,mt8195-gmac + - const: snps,dwmac-5.10a mediatek,pericfg: $ref: /schemas/types.yaml#/definitions/phandle @@ -62,6 +106,8 @@ properties: or will round down. Range 0~31*170. For MT2712 RMII/MII interface, Allowed value need to be a multiple of 550, or will round down. Range 0~31*550. + For MT8195 RGMII/RMII/MII interface, Allowed value need to be a multiple of 290, + or will round down. Range 0~31*290. mediatek,rx-delay-ps: description: @@ -70,6 +116,8 @@ properties: or will round down. Range 0~31*170. For MT2712 RMII/MII interface, Allowed value need to be a multiple of 550, or will round down. Range 0~31*550. + For MT8195 RGMII/RMII/MII interface, Allowed value need to be a multiple + of 290, or will round down. Range 0~31*290. mediatek,rmii-rxc: type: boolean @@ -103,6 +151,12 @@ properties: 3. the inside clock, which be sent to MAC, will be inversed in RMII case when the reference clock is from MAC. + mediatek,mac-wol: + type: boolean + description: + If present, indicates that MAC supports WOL(Wake-On-LAN), and MAC WOL will be enabled. + Otherwise, PHY WOL is perferred. + required: - compatible - reg