From patchwork Fri May 22 12:06:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 200135 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0EE62C433E0 for ; Fri, 22 May 2020 12:08:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DC05E206F6 for ; Fri, 22 May 2020 12:08:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="ive/SXQx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728878AbgEVMIi (ORCPT ); Fri, 22 May 2020 08:08:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59754 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729065AbgEVMHY (ORCPT ); Fri, 22 May 2020 08:07:24 -0400 Received: from mail-wm1-x343.google.com (mail-wm1-x343.google.com [IPv6:2a00:1450:4864:20::343]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0C196C08C5C2 for ; Fri, 22 May 2020 05:07:23 -0700 (PDT) Received: by mail-wm1-x343.google.com with SMTP id v19so2636169wmj.0 for ; Fri, 22 May 2020 05:07:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=MAzJNRl7denaMJiKd3+TRewxkBzsyKS+1FyrOm5aCWE=; b=ive/SXQxt5s2pDXP4TWmu4Ys9wRpRSQymcCM5LMgqsL9p5NnfsCO/xrcOMXD8WcBeR olaAhRkbe4zMwWYqOPs93rQrj/6pZM9vrvFpw1n7EzwShF042tSv4YA/H2mGuOoGL/Nn gAkMNCW2yaJnKt014rskf3LvJaOz8nsfWTiHPwLx8hGkxR9acPnN5D8aldoSanXWfxjC VQD5/uf8dOTPDoYRBDEq4JJhBlyC7GfiTFbFBYzjj05z0FtnJDSoJSJ4KU/sDyzP+iiI B7E5J0M4oupKLsSq+sAVPsjVJZZ2VMiVhOklYFACnj/RrN3QIW5MuieIH6pqY+YXYmWP 57bQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=MAzJNRl7denaMJiKd3+TRewxkBzsyKS+1FyrOm5aCWE=; b=tjwm17Up5q1CbldAdWNYBEutVzQyTg487jE3ipruXjnW1u6YyilBZGcjG6k6a1/Vo3 EyB3WQhAtNLKyL/8ZpZY/OAelZ9pXOL9RNHGJz+9UnlnJFNwxNNblqhUc9K+3CI42Ces UMB7I+FIRAL/laDOH70qtPOrSfpy/qQEmL4ByVP2v3Otoey+E3AtQ3L3czFYCHLM5/mf CIRvOKMHu+nSneHMcuLzcnKHcbwjVJ2gD8YQb5eXeiHEAn+RAdAwnTjbUwSlazcYNZbr sF9SI/Bl9Yl0z2LsmGNLzzXbJ3Nn9yvOJiADm3M+acq+qvQw5O3R8GQW2BVC92Zq4PVA mRGA== X-Gm-Message-State: AOAM532hCpbfvzbJxc6LxnZZFK1LSnXINm6DrMEvfaYUHKgqGzmohI7f 0wVCFCvhA39KKm2PNRmMj5551Q== X-Google-Smtp-Source: ABdhPJziDSESxwHOJYIEXItrvrHloQQKHniTvPFl1/zdKylGfKoSeovvjrCBLYzNAwuLkVdTvOeA/A== X-Received: by 2002:a1c:2707:: with SMTP id n7mr13564997wmn.147.1590149241597; Fri, 22 May 2020 05:07:21 -0700 (PDT) Received: from localhost.localdomain (lfbn-nic-1-65-232.w2-15.abo.wanadoo.fr. [2.15.156.232]) by smtp.gmail.com with ESMTPSA id f128sm9946233wme.1.2020.05.22.05.07.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2020 05:07:21 -0700 (PDT) From: Bartosz Golaszewski To: Rob Herring , "David S . Miller" , Matthias Brugger , John Crispin , Sean Wang , Mark Lee , Jakub Kicinski , Arnd Bergmann , Fabien Parent , Heiner Kallweit , Edwin Peer Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Stephane Le Provost , Pedro Tsai , Andrew Perepech , Bartosz Golaszewski Subject: [PATCH v5 01/11] dt-bindings: convert the binding document for mediatek PERICFG to yaml Date: Fri, 22 May 2020 14:06:50 +0200 Message-Id: <20200522120700.838-2-brgl@bgdev.pl> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200522120700.838-1-brgl@bgdev.pl> References: <20200522120700.838-1-brgl@bgdev.pl> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Bartosz Golaszewski Convert the DT binding .txt file for MediaTek's peripheral configuration controller to YAML. There's one special case where the compatible has three positions. Otherwise, it's a pretty normal syscon. Signed-off-by: Bartosz Golaszewski --- .../arm/mediatek/mediatek,pericfg.txt | 36 ----------- .../arm/mediatek/mediatek,pericfg.yaml | 63 +++++++++++++++++++ 2 files changed, 63 insertions(+), 36 deletions(-) delete mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt deleted file mode 100644 index ecf027a9003a..000000000000 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt +++ /dev/null @@ -1,36 +0,0 @@ -Mediatek pericfg controller -=========================== - -The Mediatek pericfg controller provides various clocks and reset -outputs to the system. - -Required Properties: - -- compatible: Should be one of: - - "mediatek,mt2701-pericfg", "syscon" - - "mediatek,mt2712-pericfg", "syscon" - - "mediatek,mt7622-pericfg", "syscon" - - "mediatek,mt7623-pericfg", "mediatek,mt2701-pericfg", "syscon" - - "mediatek,mt7629-pericfg", "syscon" - - "mediatek,mt8135-pericfg", "syscon" - - "mediatek,mt8173-pericfg", "syscon" - - "mediatek,mt8183-pericfg", "syscon" -- #clock-cells: Must be 1 -- #reset-cells: Must be 1 - -The pericfg controller uses the common clk binding from -Documentation/devicetree/bindings/clock/clock-bindings.txt -The available clocks are defined in dt-bindings/clock/mt*-clk.h. -Also it uses the common reset controller binding from -Documentation/devicetree/bindings/reset/reset.txt. -The available reset outputs are defined in -dt-bindings/reset/mt*-resets.h - -Example: - -pericfg: power-controller@10003000 { - compatible = "mediatek,mt8173-pericfg", "syscon"; - reg = <0 0x10003000 0 0x1000>; - #clock-cells = <1>; - #reset-cells = <1>; -}; diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml new file mode 100644 index 000000000000..1340c6288024 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/arm/mediatek/mediatek,pericfg.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: MediaTek Peripheral Configuration Controller + +maintainers: + - Bartosz Golaszewski + +description: + The Mediatek pericfg controller provides various clocks and reset outputs + to the system. + +properties: + compatible: + oneOf: + - items: + - enum: + - mediatek,mt2701-pericfg + - mediatek,mt2712-pericfg + - mediatek,mt7622-pericfg + - mediatek,mt7629-pericfg + - mediatek,mt8135-pericfg + - mediatek,mt8173-pericfg + - mediatek,mt8183-pericfg + - const: syscon + - items: + # Special case for mt7623 for backward compatibility + - const: mediatek,mt7623-pericfg + - const: mediatek,mt2701-pericfg + - const: syscon + + reg: + maxItems: 1 + + '#clock-cells': + const: 1 + + '#reset-cells': + const: 1 + +required: + - compatible + - reg + +examples: + - | + pericfg@10003000 { + compatible = "mediatek,mt8173-pericfg", "syscon"; + reg = <0x10003000 0x1000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; + + - | + pericfg@10003000 { + compatible = "mediatek,mt7623-pericfg", "mediatek,mt2701-pericfg", "syscon"; + reg = <0x10003000 0x1000>; + #clock-cells = <1>; + #reset-cells = <1>; + }; From patchwork Fri May 22 12:06:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 200136 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC954C433E3 for ; Fri, 22 May 2020 12:08:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AD4FC2072C for ; 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[2.15.156.232]) by smtp.gmail.com with ESMTPSA id f128sm9946233wme.1.2020.05.22.05.07.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2020 05:07:24 -0700 (PDT) From: Bartosz Golaszewski To: Rob Herring , "David S . Miller" , Matthias Brugger , John Crispin , Sean Wang , Mark Lee , Jakub Kicinski , Arnd Bergmann , Fabien Parent , Heiner Kallweit , Edwin Peer Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Stephane Le Provost , Pedro Tsai , Andrew Perepech , Bartosz Golaszewski Subject: [PATCH v5 03/11] dt-bindings: net: add a binding document for MediaTek STAR Ethernet MAC Date: Fri, 22 May 2020 14:06:52 +0200 Message-Id: <20200522120700.838-4-brgl@bgdev.pl> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200522120700.838-1-brgl@bgdev.pl> References: <20200522120700.838-1-brgl@bgdev.pl> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Bartosz Golaszewski This adds yaml DT bindings for the MediaTek STAR Ethernet MAC present on the mt8* family of SoCs. Signed-off-by: Bartosz Golaszewski --- .../bindings/net/mediatek,eth-mac.yaml | 89 +++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/mediatek,eth-mac.yaml diff --git a/Documentation/devicetree/bindings/net/mediatek,eth-mac.yaml b/Documentation/devicetree/bindings/net/mediatek,eth-mac.yaml new file mode 100644 index 000000000000..f85d91a9d6e5 --- /dev/null +++ b/Documentation/devicetree/bindings/net/mediatek,eth-mac.yaml @@ -0,0 +1,89 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/mediatek,eth-mac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek STAR Ethernet MAC Controller + +maintainers: + - Bartosz Golaszewski + +description: + This Ethernet MAC is used on the MT8* family of SoCs from MediaTek. + It's compliant with 802.3 standards and supports half- and full-duplex + modes with flow-control as well as CRC offloading and VLAN tags. + +allOf: + - $ref: "ethernet-controller.yaml#" + +properties: + compatible: + enum: + - mediatek,mt8516-eth + - mediatek,mt8518-eth + - mediatek,mt8175-eth + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 3 + maxItems: 3 + + clock-names: + additionalItems: false + items: + - const: core + - const: reg + - const: trans + + mediatek,pericfg: + $ref: /schemas/types.yaml#definitions/phandle + description: + Phandle to the device containing the PERICFG register range. This is used + to control the MII mode. + + mdio: + type: object + description: + Creates and registers an MDIO bus. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - mediatek,pericfg + - phy-handle + +examples: + - | + #include + #include + + ethernet: ethernet@11180000 { + compatible = "mediatek,mt8516-eth"; + reg = <0x11180000 0x1000>; + mediatek,pericfg = <&pericfg>; + interrupts = ; + clocks = <&topckgen CLK_TOP_RG_ETH>, + <&topckgen CLK_TOP_66M_ETH>, + <&topckgen CLK_TOP_133M_ETH>; + clock-names = "core", "reg", "trans"; + phy-handle = <ð_phy>; + phy-mode = "rmii"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + eth_phy: ethernet-phy@0 { + reg = <0>; + }; + }; + }; From patchwork Fri May 22 12:06:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 200140 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C082AC433E2 for ; Fri, 22 May 2020 12:07:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 968382072C for ; Fri, 22 May 2020 12:07:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="I7AimdvA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729429AbgEVMHa (ORCPT ); Fri, 22 May 2020 08:07:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59780 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729053AbgEVMH3 (ORCPT ); Fri, 22 May 2020 08:07:29 -0400 Received: from mail-wm1-x344.google.com (mail-wm1-x344.google.com [IPv6:2a00:1450:4864:20::344]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B89B4C08C5C3 for ; Fri, 22 May 2020 05:07:28 -0700 (PDT) Received: by mail-wm1-x344.google.com with SMTP id u188so9591484wmu.1 for ; Fri, 22 May 2020 05:07:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=75HMiSxkO2iGkQyQ4GVIN4XRI1pdsKTRs1XUFo380Tg=; b=I7AimdvAZOh1g/UByPwXTG3z06QWyuPRsDF0Y6Dye4Brq8bAXcTR36UrTTrcFRmV0z ApTCDxKUugYCbGqBd6jh4pdAjVZB5LNOe18if99Ec/1JIe97HNEOCfXfXu10oJmV6OmW 9t9TvWm6ZFXkqUfNvBW38GHqf+KiIY4Ck6Bq5FNSeB4KhtkBbVYBv+DU7/Q4cvNK6bT2 boLjHlkp7E1pzNHDzgB/i418XwGyHKXG/cG9h7nTX2pmZoouvxti476UwfnpJePKI4ng bURCFe9jqs2O8IdxAxqztdqMugBYRUqdY248cJi+D+VgWvkQ0FT0ORMOETRpJjaJitXR 6orA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=75HMiSxkO2iGkQyQ4GVIN4XRI1pdsKTRs1XUFo380Tg=; b=q+ld6/zBIajlNMIqpnzcqNnu8jB1WubSiXPBshbb50mXPQ3MUx9KsHr013iuMlmnU2 lZ1vA7ZokLRWwE2vCAuVACeHAHUYtHfqRSrvTLBKUylr9klbUvZSx7PGmE4HcUGq/ZoA 05IJw3nDRk4TJHL0zuPT9CjG8xK+YG9SipU0qVNa7OPyQW5NkS2IF/dDhanG30Im8w72 xivRoVgCRqb0zKeulnf0rh4XWWtdTog8INO7PCguZoDuFjBnRAf1FfjYztFT4OQOFLDg iduptoq+rtAskPtET8jZc6OBXvqIwuYec8PEqC944uOfx9XioE71BaqDAsXiNVf3lUb5 B7Rw== X-Gm-Message-State: AOAM531uIFeXM2JIujaurDjHVpiF04x+YFd0ZxSKekymxKm+PF+b43gT kHVAVvZVRszT7fvtKlnS3ix2JQ== X-Google-Smtp-Source: ABdhPJwEi7VyHt7K7+omiVssnygbzQxiUSCPmAIEWo/ISCAmaztuxM/ZHSeqf8g+5/jkvW5bZaKWMg== X-Received: by 2002:a1c:e188:: with SMTP id y130mr14051662wmg.105.1590149247468; Fri, 22 May 2020 05:07:27 -0700 (PDT) Received: from localhost.localdomain (lfbn-nic-1-65-232.w2-15.abo.wanadoo.fr. [2.15.156.232]) by smtp.gmail.com with ESMTPSA id f128sm9946233wme.1.2020.05.22.05.07.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2020 05:07:26 -0700 (PDT) From: Bartosz Golaszewski To: Rob Herring , "David S . Miller" , Matthias Brugger , John Crispin , Sean Wang , Mark Lee , Jakub Kicinski , Arnd Bergmann , Fabien Parent , Heiner Kallweit , Edwin Peer Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Stephane Le Provost , Pedro Tsai , Andrew Perepech , Bartosz Golaszewski Subject: [PATCH v5 05/11] net: ethernet: mediatek: remove unnecessary spaces from Makefile Date: Fri, 22 May 2020 14:06:54 +0200 Message-Id: <20200522120700.838-6-brgl@bgdev.pl> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200522120700.838-1-brgl@bgdev.pl> References: <20200522120700.838-1-brgl@bgdev.pl> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Bartosz Golaszewski The Makefile formatting in the kernel tree usually doesn't use tabs, so remove them before we add a second driver. Signed-off-by: Bartosz Golaszewski --- drivers/net/ethernet/mediatek/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mediatek/Makefile b/drivers/net/ethernet/mediatek/Makefile index 2d8362f9341b..3362fb7ef859 100644 --- a/drivers/net/ethernet/mediatek/Makefile +++ b/drivers/net/ethernet/mediatek/Makefile @@ -3,5 +3,5 @@ # Makefile for the Mediatek SoCs built-in ethernet macs # -obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth.o +obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth.o mtk_eth-y := mtk_eth_soc.o mtk_sgmii.o mtk_eth_path.o From patchwork Fri May 22 12:06:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 200137 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2E8ADC433E0 for ; Fri, 22 May 2020 12:08:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D1C6420756 for ; Fri, 22 May 2020 12:08:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="GKhZoqG9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729906AbgEVMIN (ORCPT ); Fri, 22 May 2020 08:08:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729480AbgEVMHb (ORCPT ); Fri, 22 May 2020 08:07:31 -0400 Received: from mail-wr1-x441.google.com (mail-wr1-x441.google.com [IPv6:2a00:1450:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0489AC08C5C1 for ; Fri, 22 May 2020 05:07:31 -0700 (PDT) Received: by mail-wr1-x441.google.com with SMTP id w7so9885461wre.13 for ; Fri, 22 May 2020 05:07:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ZPKiP4jVZW07kKbasyZxOk/A4MbYSoEALQSszGym65s=; b=GKhZoqG9tnDyGWGMfNO252p/C1OfmwEL+oN1aDVu+zOhLiVuerRF+0xZHBPe/KIDhH 8WiHonqoBlUN9R9HRnpZBadFrNGnnakFWhMHHeuGh51Rv2NaywEdH7Nw6HfM5s73/+Uf +PHSlhUvbWzlxffFu1ExQFFR6BPjpLw68a6DgLW1Ybg31pCyDHAR6/tOzD8IYlRp5Ieq 45iNYVk1G2T0H4occRTQUrB/bvUDLWk4OwqQWnScZ2N3TznTLH13rDD5d5UxUm/2k4P2 I2DRspdzpa70QtK9ZpM7MUzR5DYbsrV7NFRGIENZXMlZtHo30cb7PtGcWYQ5FdrBsqGT ou/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ZPKiP4jVZW07kKbasyZxOk/A4MbYSoEALQSszGym65s=; b=pRLJiCYUFkvJJDi0tGolPEvP439vC+7YqTYr10DckV2tIsgJD0d5c/3hxaTL/x++wS ReC41PYgpL+kQrja4vD9Nu0fjCqUVUeVRq37eV+BGWc83+SgjVTCC2vrup11SIMgiHOm K2BsF2iIxNovKtfySINkWeO35WVb/MLxBsSm0Vrj514RKUa0ab+FpQe8ovT45ukV8cKk dKYp2uLIGY3qeKrVUJHw7/Q0T03lDcKkRRcWrJnFoxdWCaAWNqtW2dRPkYFwgKgsMSxv wCkKNUsPMLFL47Y55e42waSUeMCrBoTsSmW+s//HTE1t4xp7mVH+QCPYrUaBjI9NCOYN NgXA== X-Gm-Message-State: AOAM531MU0oJRoCnNYjDIeskrQqaq+uCeFSy9oy6CdOdJX4cK8gxUUbt 5nGR4orG7ZGlmSt3J1GnExVgxQ== X-Google-Smtp-Source: ABdhPJyWUFlgclryzRzQGtWwEvYWHxcNp6QgIujmvOwp3OVkT6C4AmdGhl9F+rbUB0K19aL+PM5y6w== X-Received: by 2002:a5d:4841:: with SMTP id n1mr3394745wrs.64.1590149248979; Fri, 22 May 2020 05:07:28 -0700 (PDT) Received: from localhost.localdomain (lfbn-nic-1-65-232.w2-15.abo.wanadoo.fr. [2.15.156.232]) by smtp.gmail.com with ESMTPSA id f128sm9946233wme.1.2020.05.22.05.07.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2020 05:07:28 -0700 (PDT) From: Bartosz Golaszewski To: Rob Herring , "David S . Miller" , Matthias Brugger , John Crispin , Sean Wang , Mark Lee , Jakub Kicinski , Arnd Bergmann , Fabien Parent , Heiner Kallweit , Edwin Peer Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Stephane Le Provost , Pedro Tsai , Andrew Perepech , Bartosz Golaszewski Subject: [PATCH v5 06/11] net: ethernet: mtk-star-emac: new driver Date: Fri, 22 May 2020 14:06:55 +0200 Message-Id: <20200522120700.838-7-brgl@bgdev.pl> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200522120700.838-1-brgl@bgdev.pl> References: <20200522120700.838-1-brgl@bgdev.pl> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Bartosz Golaszewski This adds the driver for the MediaTek STAR Ethernet MAC currently used on the MT8* SoC family. For now we only support full-duplex. Signed-off-by: Bartosz Golaszewski --- drivers/net/ethernet/mediatek/Kconfig | 7 + drivers/net/ethernet/mediatek/Makefile | 1 + drivers/net/ethernet/mediatek/mtk_star_emac.c | 1678 +++++++++++++++++ 3 files changed, 1686 insertions(+) create mode 100644 drivers/net/ethernet/mediatek/mtk_star_emac.c diff --git a/drivers/net/ethernet/mediatek/Kconfig b/drivers/net/ethernet/mediatek/Kconfig index 5079b8090f16..500c15e7ea4a 100644 --- a/drivers/net/ethernet/mediatek/Kconfig +++ b/drivers/net/ethernet/mediatek/Kconfig @@ -14,4 +14,11 @@ config NET_MEDIATEK_SOC This driver supports the gigabit ethernet MACs in the MediaTek SoC family. +config NET_MEDIATEK_STAR_EMAC + tristate "MediaTek STAR Ethernet MAC support" + select PHYLIB + help + This driver supports the ethernet MAC IP first used on + MediaTek MT85** SoCs. + endif #NET_VENDOR_MEDIATEK diff --git a/drivers/net/ethernet/mediatek/Makefile b/drivers/net/ethernet/mediatek/Makefile index 3362fb7ef859..3a777b4a6cd3 100644 --- a/drivers/net/ethernet/mediatek/Makefile +++ b/drivers/net/ethernet/mediatek/Makefile @@ -5,3 +5,4 @@ obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth.o mtk_eth-y := mtk_eth_soc.o mtk_sgmii.o mtk_eth_path.o +obj-$(CONFIG_NET_MEDIATEK_STAR_EMAC) += mtk_star_emac.o diff --git a/drivers/net/ethernet/mediatek/mtk_star_emac.c b/drivers/net/ethernet/mediatek/mtk_star_emac.c new file mode 100644 index 000000000000..789c77af501f --- /dev/null +++ b/drivers/net/ethernet/mediatek/mtk_star_emac.c @@ -0,0 +1,1678 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2020 MediaTek Corporation + * Copyright (c) 2020 BayLibre SAS + * + * Author: Bartosz Golaszewski + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define MTK_STAR_DRVNAME "mtk_star_emac" + +#define MTK_STAR_WAIT_TIMEOUT 300 +#define MTK_STAR_MAX_FRAME_SIZE 1514 +#define MTK_STAR_SKB_ALIGNMENT 16 +#define MTK_STAR_NAPI_WEIGHT 64 +#define MTK_STAR_HASHTABLE_MC_LIMIT 256 +#define MTK_STAR_HASHTABLE_SIZE_MAX 512 + +/* Normally we'd use NET_IP_ALIGN but on arm64 its value is 0 and it doesn't + * work for this controller. + */ +#define MTK_STAR_IP_ALIGN 2 + +static const char *const mtk_star_clk_names[] = { "core", "reg", "trans" }; +#define MTK_STAR_NCLKS ARRAY_SIZE(mtk_star_clk_names) + +/* PHY Control Register 0 */ +#define MTK_STAR_REG_PHY_CTRL0 0x0000 +#define MTK_STAR_BIT_PHY_CTRL0_WTCMD BIT(13) +#define MTK_STAR_BIT_PHY_CTRL0_RDCMD BIT(14) +#define MTK_STAR_BIT_PHY_CTRL0_RWOK BIT(15) +#define MTK_STAR_MSK_PHY_CTRL0_PREG GENMASK(12, 8) +#define MTK_STAR_OFF_PHY_CTRL0_PREG 8 +#define MTK_STAR_MSK_PHY_CTRL0_RWDATA GENMASK(31, 16) +#define MTK_STAR_OFF_PHY_CTRL0_RWDATA 16 + +/* PHY Control Register 1 */ +#define MTK_STAR_REG_PHY_CTRL1 0x0004 +#define MTK_STAR_BIT_PHY_CTRL1_LINK_ST BIT(0) +#define MTK_STAR_BIT_PHY_CTRL1_AN_EN BIT(8) +#define MTK_STAR_OFF_PHY_CTRL1_FORCE_SPD 9 +#define MTK_STAR_VAL_PHY_CTRL1_FORCE_SPD_10M 0x00 +#define MTK_STAR_VAL_PHY_CTRL1_FORCE_SPD_100M 0x01 +#define MTK_STAR_VAL_PHY_CTRL1_FORCE_SPD_1000M 0x02 +#define MTK_STAR_BIT_PHY_CTRL1_FORCE_DPX BIT(11) +#define MTK_STAR_BIT_PHY_CTRL1_FORCE_FC_RX BIT(12) +#define MTK_STAR_BIT_PHY_CTRL1_FORCE_FC_TX BIT(13) + +/* MAC Configuration Register */ +#define MTK_STAR_REG_MAC_CFG 0x0008 +#define MTK_STAR_OFF_MAC_CFG_IPG 10 +#define MTK_STAR_VAL_MAC_CFG_IPG_96BIT GENMASK(4, 0) +#define MTK_STAR_BIT_MAC_CFG_MAXLEN_1522 BIT(16) +#define MTK_STAR_BIT_MAC_CFG_AUTO_PAD BIT(19) +#define MTK_STAR_BIT_MAC_CFG_CRC_STRIP BIT(20) +#define MTK_STAR_BIT_MAC_CFG_VLAN_STRIP BIT(22) +#define MTK_STAR_BIT_MAC_CFG_NIC_PD BIT(31) + +/* Flow-Control Configuration Register */ +#define MTK_STAR_REG_FC_CFG 0x000c +#define MTK_STAR_BIT_FC_CFG_BP_EN BIT(7) +#define MTK_STAR_BIT_FC_CFG_UC_PAUSE_DIR BIT(8) +#define MTK_STAR_OFF_FC_CFG_SEND_PAUSE_TH 16 +#define MTK_STAR_MSK_FC_CFG_SEND_PAUSE_TH GENMASK(27, 16) +#define MTK_STAR_VAL_FC_CFG_SEND_PAUSE_TH_2K 0x800 + +/* ARL Configuration Register */ +#define MTK_STAR_REG_ARL_CFG 0x0010 +#define MTK_STAR_BIT_ARL_CFG_HASH_ALG BIT(0) +#define MTK_STAR_BIT_ARL_CFG_MISC_MODE BIT(4) + +/* MAC High and Low Bytes Registers */ +#define MTK_STAR_REG_MY_MAC_H 0x0014 +#define MTK_STAR_REG_MY_MAC_L 0x0018 + +/* Hash Table Control Register */ +#define MTK_STAR_REG_HASH_CTRL 0x001c +#define MTK_STAR_MSK_HASH_CTRL_HASH_BIT_ADDR GENMASK(8, 0) +#define MTK_STAR_BIT_HASH_CTRL_HASH_BIT_DATA BIT(12) +#define MTK_STAR_BIT_HASH_CTRL_ACC_CMD BIT(13) +#define MTK_STAR_BIT_HASH_CTRL_CMD_START BIT(14) +#define MTK_STAR_BIT_HASH_CTRL_BIST_OK BIT(16) +#define MTK_STAR_BIT_HASH_CTRL_BIST_DONE BIT(17) +#define MTK_STAR_BIT_HASH_CTRL_BIST_EN BIT(31) + +/* TX DMA Control Register */ +#define MTK_STAR_REG_TX_DMA_CTRL 0x0034 +#define MTK_STAR_BIT_TX_DMA_CTRL_START BIT(0) +#define MTK_STAR_BIT_TX_DMA_CTRL_STOP BIT(1) +#define MTK_STAR_BIT_TX_DMA_CTRL_RESUME BIT(2) + +/* RX DMA Control Register */ +#define MTK_STAR_REG_RX_DMA_CTRL 0x0038 +#define MTK_STAR_BIT_RX_DMA_CTRL_START BIT(0) +#define MTK_STAR_BIT_RX_DMA_CTRL_STOP BIT(1) +#define MTK_STAR_BIT_RX_DMA_CTRL_RESUME BIT(2) + +/* DMA Address Registers */ +#define MTK_STAR_REG_TX_DPTR 0x003c +#define MTK_STAR_REG_RX_DPTR 0x0040 +#define MTK_STAR_REG_TX_BASE_ADDR 0x0044 +#define MTK_STAR_REG_RX_BASE_ADDR 0x0048 + +/* Interrupt Status Register */ +#define MTK_STAR_REG_INT_STS 0x0050 +#define MTK_STAR_REG_INT_STS_PORT_STS_CHG BIT(2) +#define MTK_STAR_REG_INT_STS_MIB_CNT_TH BIT(3) +#define MTK_STAR_BIT_INT_STS_FNRC BIT(6) +#define MTK_STAR_BIT_INT_STS_TNTC BIT(8) + +/* Interrupt Mask Register */ +#define MTK_STAR_REG_INT_MASK 0x0054 +#define MTK_STAR_BIT_INT_MASK_FNRC BIT(6) + +/* Misc. Config Register */ +#define MTK_STAR_REG_TEST1 0x005c +#define MTK_STAR_BIT_TEST1_RST_HASH_MBIST BIT(31) + +/* Extended Configuration Register */ +#define MTK_STAR_REG_EXT_CFG 0x0060 +#define MTK_STAR_OFF_EXT_CFG_SND_PAUSE_RLS 16 +#define MTK_STAR_MSK_EXT_CFG_SND_PAUSE_RLS GENMASK(26, 16) +#define MTK_STAR_VAL_EXT_CFG_SND_PAUSE_RLS_1K 0x400 + +/* EthSys Configuration Register */ +#define MTK_STAR_REG_SYS_CONF 0x0094 +#define MTK_STAR_BIT_MII_PAD_OUT_ENABLE BIT(0) +#define MTK_STAR_BIT_EXT_MDC_MODE BIT(1) +#define MTK_STAR_BIT_SWC_MII_MODE BIT(2) + +/* MAC Clock Configuration Register */ +#define MTK_STAR_REG_MAC_CLK_CONF 0x00ac +#define MTK_STAR_MSK_MAC_CLK_CONF GENMASK(7, 0) +#define MTK_STAR_BIT_CLK_DIV_10 0x0a + +/* Counter registers. */ +#define MTK_STAR_REG_C_RXOKPKT 0x0100 +#define MTK_STAR_REG_C_RXOKBYTE 0x0104 +#define MTK_STAR_REG_C_RXRUNT 0x0108 +#define MTK_STAR_REG_C_RXLONG 0x010c +#define MTK_STAR_REG_C_RXDROP 0x0110 +#define MTK_STAR_REG_C_RXCRC 0x0114 +#define MTK_STAR_REG_C_RXARLDROP 0x0118 +#define MTK_STAR_REG_C_RXVLANDROP 0x011c +#define MTK_STAR_REG_C_RXCSERR 0x0120 +#define MTK_STAR_REG_C_RXPAUSE 0x0124 +#define MTK_STAR_REG_C_TXOKPKT 0x0128 +#define MTK_STAR_REG_C_TXOKBYTE 0x012c +#define MTK_STAR_REG_C_TXPAUSECOL 0x0130 +#define MTK_STAR_REG_C_TXRTY 0x0134 +#define MTK_STAR_REG_C_TXSKIP 0x0138 +#define MTK_STAR_REG_C_TX_ARP 0x013c +#define MTK_STAR_REG_C_RX_RERR 0x01d8 +#define MTK_STAR_REG_C_RX_UNI 0x01dc +#define MTK_STAR_REG_C_RX_MULTI 0x01e0 +#define MTK_STAR_REG_C_RX_BROAD 0x01e4 +#define MTK_STAR_REG_C_RX_ALIGNERR 0x01e8 +#define MTK_STAR_REG_C_TX_UNI 0x01ec +#define MTK_STAR_REG_C_TX_MULTI 0x01f0 +#define MTK_STAR_REG_C_TX_BROAD 0x01f4 +#define MTK_STAR_REG_C_TX_TIMEOUT 0x01f8 +#define MTK_STAR_REG_C_TX_LATECOL 0x01fc +#define MTK_STAR_REG_C_RX_LENGTHERR 0x0214 +#define MTK_STAR_REG_C_RX_TWIST 0x0218 + +/* Ethernet CFG Control */ +#define MTK_PERICFG_REG_NIC_CFG_CON 0x03c4 +#define MTK_PERICFG_MSK_NIC_CFG_CON_CFG_MII GENMASK(3, 0) +#define MTK_PERICFG_BIT_NIC_CFG_CON_RMII BIT(0) + +/* Represents the actual structure of descriptors used by the MAC. We can + * reuse the same structure for both TX and RX - the layout is the same, only + * the flags differ slightly. + */ +struct mtk_star_ring_desc { + /* Contains both the status flags as well as packet length. */ + u32 status; + u32 data_ptr; + u32 vtag; + u32 reserved; +}; + +#define MTK_STAR_DESC_MSK_LEN GENMASK(15, 0) +#define MTK_STAR_DESC_BIT_RX_CRCE BIT(24) +#define MTK_STAR_DESC_BIT_RX_OSIZE BIT(25) +#define MTK_STAR_DESC_BIT_INT BIT(27) +#define MTK_STAR_DESC_BIT_LS BIT(28) +#define MTK_STAR_DESC_BIT_FS BIT(29) +#define MTK_STAR_DESC_BIT_EOR BIT(30) +#define MTK_STAR_DESC_BIT_COWN BIT(31) + +/* Helper structure for storing data read from/written to descriptors in order + * to limit reads from/writes to DMA memory. + */ +struct mtk_star_ring_desc_data { + unsigned int len; + unsigned int flags; + dma_addr_t dma_addr; + struct sk_buff *skb; +}; + +#define MTK_STAR_RING_NUM_DESCS 128 +#define MTK_STAR_NUM_TX_DESCS MTK_STAR_RING_NUM_DESCS +#define MTK_STAR_NUM_RX_DESCS MTK_STAR_RING_NUM_DESCS +#define MTK_STAR_NUM_DESCS_TOTAL (MTK_STAR_RING_NUM_DESCS * 2) +#define MTK_STAR_DMA_SIZE \ + (MTK_STAR_NUM_DESCS_TOTAL * sizeof(struct mtk_star_ring_desc)) + +struct mtk_star_ring { + struct mtk_star_ring_desc *descs; + struct sk_buff *skbs[MTK_STAR_RING_NUM_DESCS]; + dma_addr_t dma_addrs[MTK_STAR_RING_NUM_DESCS]; + unsigned int head; + unsigned int tail; +}; + +struct mtk_star_priv { + struct net_device *ndev; + + struct regmap *regs; + struct regmap *pericfg; + + struct clk_bulk_data clks[MTK_STAR_NCLKS]; + + void *ring_base; + struct mtk_star_ring_desc *descs_base; + dma_addr_t dma_addr; + struct mtk_star_ring tx_ring; + struct mtk_star_ring rx_ring; + + struct mii_bus *mii; + struct napi_struct napi; + + struct device_node *phy_node; + phy_interface_t phy_intf; + struct phy_device *phydev; + unsigned int link; + int speed; + int duplex; + int pause; + + /* Protects against concurrent descriptor access. */ + spinlock_t lock; + + struct rtnl_link_stats64 stats; + struct work_struct stats_work; +}; + +static struct device *mtk_star_get_dev(struct mtk_star_priv *priv) +{ + return priv->ndev->dev.parent; +} + +static const struct regmap_config mtk_star_regmap_config = { + .reg_bits = 32, + .val_bits = 32, + .reg_stride = 4, + .disable_locking = true, +}; + +static void mtk_star_ring_init(struct mtk_star_ring *ring, + struct mtk_star_ring_desc *descs) +{ + memset(ring, 0, sizeof(*ring)); + ring->descs = descs; + ring->head = 0; + ring->tail = 0; +} + +static int mtk_star_ring_pop_tail(struct mtk_star_ring *ring, + struct mtk_star_ring_desc_data *desc_data) +{ + struct mtk_star_ring_desc *desc = &ring->descs[ring->tail]; + unsigned int status; + + status = READ_ONCE(desc->status); + dma_rmb(); /* Make sure we read the status bits before checking it. */ + + if (!(status & MTK_STAR_DESC_BIT_COWN)) + return -1; + + desc_data->len = status & MTK_STAR_DESC_MSK_LEN; + desc_data->flags = status & ~MTK_STAR_DESC_MSK_LEN; + desc_data->dma_addr = ring->dma_addrs[ring->tail]; + desc_data->skb = ring->skbs[ring->tail]; + + ring->dma_addrs[ring->tail] = 0; + ring->skbs[ring->tail] = NULL; + + status &= MTK_STAR_DESC_BIT_COWN | MTK_STAR_DESC_BIT_EOR; + + WRITE_ONCE(desc->data_ptr, 0); + WRITE_ONCE(desc->status, status); + + ring->tail = (ring->tail + 1) % MTK_STAR_RING_NUM_DESCS; + + return 0; +} + +static void mtk_star_ring_push_head(struct mtk_star_ring *ring, + struct mtk_star_ring_desc_data *desc_data, + unsigned int flags) +{ + struct mtk_star_ring_desc *desc = &ring->descs[ring->head]; + unsigned int status; + + status = READ_ONCE(desc->status); + + ring->skbs[ring->head] = desc_data->skb; + ring->dma_addrs[ring->head] = desc_data->dma_addr; + + status |= desc_data->len; + if (flags) + status |= flags; + + WRITE_ONCE(desc->data_ptr, desc_data->dma_addr); + WRITE_ONCE(desc->status, status); + status &= ~MTK_STAR_DESC_BIT_COWN; + /* Flush previous modifications before ownership change. */ + dma_wmb(); + WRITE_ONCE(desc->status, status); + + ring->head = (ring->head + 1) % MTK_STAR_RING_NUM_DESCS; +} + +static void +mtk_star_ring_push_head_rx(struct mtk_star_ring *ring, + struct mtk_star_ring_desc_data *desc_data) +{ + mtk_star_ring_push_head(ring, desc_data, 0); +} + +static void +mtk_star_ring_push_head_tx(struct mtk_star_ring *ring, + struct mtk_star_ring_desc_data *desc_data) +{ + static const unsigned int flags = MTK_STAR_DESC_BIT_FS | + MTK_STAR_DESC_BIT_LS | + MTK_STAR_DESC_BIT_INT; + + mtk_star_ring_push_head(ring, desc_data, flags); +} + +static unsigned int mtk_star_ring_num_used_descs(struct mtk_star_ring *ring) +{ + return abs(ring->head - ring->tail); +} + +static bool mtk_star_ring_full(struct mtk_star_ring *ring) +{ + return mtk_star_ring_num_used_descs(ring) == MTK_STAR_RING_NUM_DESCS; +} + +static bool mtk_star_ring_descs_available(struct mtk_star_ring *ring) +{ + return mtk_star_ring_num_used_descs(ring) > 0; +} + +static dma_addr_t mtk_star_dma_map_rx(struct mtk_star_priv *priv, + struct sk_buff *skb) +{ + struct device *dev = mtk_star_get_dev(priv); + + /* Data pointer for the RX DMA descriptor must be aligned to 4N + 2. */ + return dma_map_single(dev, skb_tail_pointer(skb) - 2, + skb_tailroom(skb), DMA_FROM_DEVICE); +} + +static void mtk_star_dma_unmap_rx(struct mtk_star_priv *priv, + struct mtk_star_ring_desc_data *desc_data) +{ + struct device *dev = mtk_star_get_dev(priv); + + dma_unmap_single(dev, desc_data->dma_addr, + skb_tailroom(desc_data->skb), DMA_FROM_DEVICE); +} + +static dma_addr_t mtk_star_dma_map_tx(struct mtk_star_priv *priv, + struct sk_buff *skb) +{ + struct device *dev = mtk_star_get_dev(priv); + + return dma_map_single(dev, skb->data, skb_headlen(skb), DMA_TO_DEVICE); +} + +static void mtk_star_dma_unmap_tx(struct mtk_star_priv *priv, + struct mtk_star_ring_desc_data *desc_data) +{ + struct device *dev = mtk_star_get_dev(priv); + + return dma_unmap_single(dev, desc_data->dma_addr, + skb_headlen(desc_data->skb), DMA_TO_DEVICE); +} + +static void mtk_star_nic_disable_pd(struct mtk_star_priv *priv) +{ + regmap_update_bits(priv->regs, MTK_STAR_REG_MAC_CFG, + MTK_STAR_BIT_MAC_CFG_NIC_PD, 0); +} + +/* Unmask the three interrupts we care about, mask all others. */ +static void mtk_star_intr_enable(struct mtk_star_priv *priv) +{ + unsigned int val = MTK_STAR_BIT_INT_STS_TNTC | + MTK_STAR_BIT_INT_STS_FNRC | + MTK_STAR_REG_INT_STS_MIB_CNT_TH; + + regmap_write(priv->regs, MTK_STAR_REG_INT_MASK, ~val); +} + +static void mtk_star_intr_disable(struct mtk_star_priv *priv) +{ + regmap_write(priv->regs, MTK_STAR_REG_INT_MASK, ~0); +} + +static void mtk_star_intr_enable_tx(struct mtk_star_priv *priv) +{ + regmap_update_bits(priv->regs, MTK_STAR_REG_INT_MASK, + MTK_STAR_BIT_INT_STS_TNTC, 0); +} + +static void mtk_star_intr_enable_rx(struct mtk_star_priv *priv) +{ + regmap_update_bits(priv->regs, MTK_STAR_REG_INT_MASK, + MTK_STAR_BIT_INT_STS_FNRC, 0); +} + +static void mtk_star_intr_enable_stats(struct mtk_star_priv *priv) +{ + regmap_update_bits(priv->regs, MTK_STAR_REG_INT_MASK, + MTK_STAR_REG_INT_STS_MIB_CNT_TH, 0); +} + +static void mtk_star_intr_disable_tx(struct mtk_star_priv *priv) +{ + regmap_update_bits(priv->regs, MTK_STAR_REG_INT_MASK, + MTK_STAR_BIT_INT_STS_TNTC, + MTK_STAR_BIT_INT_STS_TNTC); +} + +static void mtk_star_intr_disable_rx(struct mtk_star_priv *priv) +{ + regmap_update_bits(priv->regs, MTK_STAR_REG_INT_MASK, + MTK_STAR_BIT_INT_STS_FNRC, + MTK_STAR_BIT_INT_STS_FNRC); +} + +static void mtk_star_intr_disable_stats(struct mtk_star_priv *priv) +{ + regmap_update_bits(priv->regs, MTK_STAR_REG_INT_MASK, + MTK_STAR_REG_INT_STS_MIB_CNT_TH, + MTK_STAR_REG_INT_STS_MIB_CNT_TH); +} + +static unsigned int mtk_star_intr_read(struct mtk_star_priv *priv) +{ + unsigned int val; + + regmap_read(priv->regs, MTK_STAR_REG_INT_STS, &val); + + return val; +} + +static unsigned int mtk_star_intr_ack_all(struct mtk_star_priv *priv) +{ + unsigned int val; + + val = mtk_star_intr_read(priv); + regmap_write(priv->regs, MTK_STAR_REG_INT_STS, val); + + return val; +} + +static void mtk_star_dma_init(struct mtk_star_priv *priv) +{ + struct mtk_star_ring_desc *desc; + unsigned int val; + int i; + + priv->descs_base = (struct mtk_star_ring_desc *)priv->ring_base; + + for (i = 0; i < MTK_STAR_NUM_DESCS_TOTAL; i++) { + desc = &priv->descs_base[i]; + + memset(desc, 0, sizeof(*desc)); + desc->status = MTK_STAR_DESC_BIT_COWN; + if ((i == MTK_STAR_NUM_TX_DESCS - 1) || + (i == MTK_STAR_NUM_DESCS_TOTAL - 1)) + desc->status |= MTK_STAR_DESC_BIT_EOR; + } + + mtk_star_ring_init(&priv->tx_ring, priv->descs_base); + mtk_star_ring_init(&priv->rx_ring, + priv->descs_base + MTK_STAR_NUM_TX_DESCS); + + /* Set DMA pointers. */ + val = (unsigned int)priv->dma_addr; + regmap_write(priv->regs, MTK_STAR_REG_TX_BASE_ADDR, val); + regmap_write(priv->regs, MTK_STAR_REG_TX_DPTR, val); + + val += sizeof(struct mtk_star_ring_desc) * MTK_STAR_NUM_TX_DESCS; + regmap_write(priv->regs, MTK_STAR_REG_RX_BASE_ADDR, val); + regmap_write(priv->regs, MTK_STAR_REG_RX_DPTR, val); +} + +static void mtk_star_dma_start(struct mtk_star_priv *priv) +{ + regmap_update_bits(priv->regs, MTK_STAR_REG_TX_DMA_CTRL, + MTK_STAR_BIT_TX_DMA_CTRL_START, + MTK_STAR_BIT_TX_DMA_CTRL_START); + regmap_update_bits(priv->regs, MTK_STAR_REG_RX_DMA_CTRL, + MTK_STAR_BIT_RX_DMA_CTRL_START, + MTK_STAR_BIT_RX_DMA_CTRL_START); +} + +static void mtk_star_dma_stop(struct mtk_star_priv *priv) +{ + regmap_write(priv->regs, MTK_STAR_REG_TX_DMA_CTRL, + MTK_STAR_BIT_TX_DMA_CTRL_STOP); + regmap_write(priv->regs, MTK_STAR_REG_RX_DMA_CTRL, + MTK_STAR_BIT_RX_DMA_CTRL_STOP); +} + +static void mtk_star_dma_disable(struct mtk_star_priv *priv) +{ + int i; + + mtk_star_dma_stop(priv); + + /* Take back all descriptors. */ + for (i = 0; i < MTK_STAR_NUM_DESCS_TOTAL; i++) + priv->descs_base[i].status |= MTK_STAR_DESC_BIT_COWN; +} + +static void mtk_star_dma_resume_rx(struct mtk_star_priv *priv) +{ + regmap_update_bits(priv->regs, MTK_STAR_REG_RX_DMA_CTRL, + MTK_STAR_BIT_RX_DMA_CTRL_RESUME, + MTK_STAR_BIT_RX_DMA_CTRL_RESUME); +} + +static void mtk_star_dma_resume_tx(struct mtk_star_priv *priv) +{ + regmap_update_bits(priv->regs, MTK_STAR_REG_TX_DMA_CTRL, + MTK_STAR_BIT_TX_DMA_CTRL_RESUME, + MTK_STAR_BIT_TX_DMA_CTRL_RESUME); +} + +static void mtk_star_set_mac_addr(struct net_device *ndev) +{ + struct mtk_star_priv *priv = netdev_priv(ndev); + u8 *mac_addr = ndev->dev_addr; + unsigned int high, low; + + high = mac_addr[0] << 8 | mac_addr[1] << 0; + low = mac_addr[2] << 24 | mac_addr[3] << 16 | + mac_addr[4] << 8 | mac_addr[5]; + + regmap_write(priv->regs, MTK_STAR_REG_MY_MAC_H, high); + regmap_write(priv->regs, MTK_STAR_REG_MY_MAC_L, low); +} + +static void mtk_star_reset_counters(struct mtk_star_priv *priv) +{ + static const unsigned int counter_regs[] = { + MTK_STAR_REG_C_RXOKPKT, + MTK_STAR_REG_C_RXOKBYTE, + MTK_STAR_REG_C_RXRUNT, + MTK_STAR_REG_C_RXLONG, + MTK_STAR_REG_C_RXDROP, + MTK_STAR_REG_C_RXCRC, + MTK_STAR_REG_C_RXARLDROP, + MTK_STAR_REG_C_RXVLANDROP, + MTK_STAR_REG_C_RXCSERR, + MTK_STAR_REG_C_RXPAUSE, + MTK_STAR_REG_C_TXOKPKT, + MTK_STAR_REG_C_TXOKBYTE, + MTK_STAR_REG_C_TXPAUSECOL, + MTK_STAR_REG_C_TXRTY, + MTK_STAR_REG_C_TXSKIP, + MTK_STAR_REG_C_TX_ARP, + MTK_STAR_REG_C_RX_RERR, + MTK_STAR_REG_C_RX_UNI, + MTK_STAR_REG_C_RX_MULTI, + MTK_STAR_REG_C_RX_BROAD, + MTK_STAR_REG_C_RX_ALIGNERR, + MTK_STAR_REG_C_TX_UNI, + MTK_STAR_REG_C_TX_MULTI, + MTK_STAR_REG_C_TX_BROAD, + MTK_STAR_REG_C_TX_TIMEOUT, + MTK_STAR_REG_C_TX_LATECOL, + MTK_STAR_REG_C_RX_LENGTHERR, + MTK_STAR_REG_C_RX_TWIST, + }; + + unsigned int i, val; + + for (i = 0; i < ARRAY_SIZE(counter_regs); i++) + regmap_read(priv->regs, counter_regs[i], &val); +} + +static void mtk_star_update_stat(struct mtk_star_priv *priv, + unsigned int reg, u64 *stat) +{ + unsigned int val; + + regmap_read(priv->regs, reg, &val); + *stat += val; +} + +/* Try to get as many stats as possible from the internal registers instead + * of tracking them ourselves. + */ +static void mtk_star_update_stats(struct mtk_star_priv *priv) +{ + struct rtnl_link_stats64 *stats = &priv->stats; + + /* OK packets and bytes. */ + mtk_star_update_stat(priv, MTK_STAR_REG_C_RXOKPKT, &stats->rx_packets); + mtk_star_update_stat(priv, MTK_STAR_REG_C_TXOKPKT, &stats->tx_packets); + mtk_star_update_stat(priv, MTK_STAR_REG_C_RXOKBYTE, &stats->rx_bytes); + mtk_star_update_stat(priv, MTK_STAR_REG_C_TXOKBYTE, &stats->tx_bytes); + + /* RX & TX multicast. */ + mtk_star_update_stat(priv, MTK_STAR_REG_C_RX_MULTI, &stats->multicast); + mtk_star_update_stat(priv, MTK_STAR_REG_C_TX_MULTI, &stats->multicast); + + /* Collisions. */ + mtk_star_update_stat(priv, MTK_STAR_REG_C_TXPAUSECOL, + &stats->collisions); + mtk_star_update_stat(priv, MTK_STAR_REG_C_TX_LATECOL, + &stats->collisions); + mtk_star_update_stat(priv, MTK_STAR_REG_C_RXRUNT, &stats->collisions); + + /* RX Errors. */ + mtk_star_update_stat(priv, MTK_STAR_REG_C_RX_LENGTHERR, + &stats->rx_length_errors); + mtk_star_update_stat(priv, MTK_STAR_REG_C_RXLONG, + &stats->rx_over_errors); + mtk_star_update_stat(priv, MTK_STAR_REG_C_RXCRC, &stats->rx_crc_errors); + mtk_star_update_stat(priv, MTK_STAR_REG_C_RX_ALIGNERR, + &stats->rx_frame_errors); + mtk_star_update_stat(priv, MTK_STAR_REG_C_RXDROP, + &stats->rx_fifo_errors); + /* Sum of the general RX error counter + all of the above. */ + mtk_star_update_stat(priv, MTK_STAR_REG_C_RX_RERR, &stats->rx_errors); + stats->rx_errors += stats->rx_length_errors; + stats->rx_errors += stats->rx_over_errors; + stats->rx_errors += stats->rx_crc_errors; + stats->rx_errors += stats->rx_frame_errors; + stats->rx_errors += stats->rx_fifo_errors; +} + +/* This runs in process context and parallel TX and RX paths executing in + * napi context may result in losing some stats data but this should happen + * seldom enough to be acceptable. + */ +static void mtk_star_update_stats_work(struct work_struct *work) +{ + struct mtk_star_priv *priv = container_of(work, struct mtk_star_priv, + stats_work); + + mtk_star_update_stats(priv); + mtk_star_reset_counters(priv); + mtk_star_intr_enable_stats(priv); +} + +static struct sk_buff *mtk_star_alloc_skb(struct net_device *ndev) +{ + uintptr_t tail, offset; + struct sk_buff *skb; + + skb = dev_alloc_skb(MTK_STAR_MAX_FRAME_SIZE); + if (!skb) + return NULL; + + /* Align to 16 bytes. */ + tail = (uintptr_t)skb_tail_pointer(skb); + if (tail & (MTK_STAR_SKB_ALIGNMENT - 1)) { + offset = tail & (MTK_STAR_SKB_ALIGNMENT - 1); + skb_reserve(skb, MTK_STAR_SKB_ALIGNMENT - offset); + } + + /* Ensure 16-byte alignment of the skb pointer: eth_type_trans() will + * extract the Ethernet header (14 bytes) so we need two more bytes. + */ + skb_reserve(skb, MTK_STAR_IP_ALIGN); + + return skb; +} + +static int mtk_star_prepare_rx_skbs(struct net_device *ndev) +{ + struct mtk_star_priv *priv = netdev_priv(ndev); + struct mtk_star_ring *ring = &priv->rx_ring; + struct device *dev = mtk_star_get_dev(priv); + struct mtk_star_ring_desc *desc; + struct sk_buff *skb; + dma_addr_t dma_addr; + int i; + + for (i = 0; i < MTK_STAR_NUM_RX_DESCS; i++) { + skb = mtk_star_alloc_skb(ndev); + if (!skb) + return -ENOMEM; + + dma_addr = mtk_star_dma_map_rx(priv, skb); + if (dma_mapping_error(dev, dma_addr)) { + dev_kfree_skb(skb); + return -ENOMEM; + } + + desc = &ring->descs[i]; + desc->data_ptr = dma_addr; + desc->status |= skb_tailroom(skb) & MTK_STAR_DESC_MSK_LEN; + desc->status &= ~MTK_STAR_DESC_BIT_COWN; + ring->skbs[i] = skb; + ring->dma_addrs[i] = dma_addr; + } + + return 0; +} + +static void +mtk_star_ring_free_skbs(struct mtk_star_priv *priv, struct mtk_star_ring *ring, + void (*unmap_func)(struct mtk_star_priv *, + struct mtk_star_ring_desc_data *)) +{ + struct mtk_star_ring_desc_data desc_data; + struct mtk_star_ring_desc *desc; + int i; + + for (i = 0; i < MTK_STAR_RING_NUM_DESCS; i++) { + if (!ring->dma_addrs[i]) + continue; + + desc = &ring->descs[i]; + + desc_data.dma_addr = ring->dma_addrs[i]; + desc_data.skb = ring->skbs[i]; + + unmap_func(priv, &desc_data); + dev_kfree_skb(desc_data.skb); + } +} + +static void mtk_star_free_rx_skbs(struct mtk_star_priv *priv) +{ + struct mtk_star_ring *ring = &priv->rx_ring; + + mtk_star_ring_free_skbs(priv, ring, mtk_star_dma_unmap_rx); +} + +static void mtk_star_free_tx_skbs(struct mtk_star_priv *priv) +{ + struct mtk_star_ring *ring = &priv->tx_ring; + + mtk_star_ring_free_skbs(priv, ring, mtk_star_dma_unmap_tx); +} + +/* All processing for TX and RX happens in the napi poll callback. */ +static irqreturn_t mtk_star_handle_irq(int irq, void *data) +{ + struct mtk_star_priv *priv; + struct net_device *ndev; + bool need_napi = false; + unsigned int status; + + ndev = data; + priv = netdev_priv(ndev); + + if (netif_running(ndev)) { + status = mtk_star_intr_read(priv); + + if (status & MTK_STAR_BIT_INT_STS_TNTC) { + mtk_star_intr_disable_tx(priv); + need_napi = true; + } + + if (status & MTK_STAR_BIT_INT_STS_FNRC) { + mtk_star_intr_disable_rx(priv); + need_napi = true; + } + + if (need_napi) + napi_schedule(&priv->napi); + + /* One of the counters reached 0x8000000 - update stats and + * reset all counters. + */ + if (unlikely(status & MTK_STAR_REG_INT_STS_MIB_CNT_TH)) { + mtk_star_intr_disable_stats(priv); + schedule_work(&priv->stats_work); + } + + mtk_star_intr_ack_all(priv); + } + + return IRQ_HANDLED; +} + +/* Wait for the completion of any previous command - CMD_START bit must be + * cleared by hardware. + */ +static int mtk_star_hash_wait_cmd_start(struct mtk_star_priv *priv) +{ + unsigned int val; + + return regmap_read_poll_timeout_atomic(priv->regs, + MTK_STAR_REG_HASH_CTRL, val, + !(val & MTK_STAR_BIT_HASH_CTRL_CMD_START), + 10, MTK_STAR_WAIT_TIMEOUT); +} + +static int mtk_star_hash_wait_ok(struct mtk_star_priv *priv) +{ + unsigned int val; + int ret; + + /* Wait for BIST_DONE bit. */ + ret = regmap_read_poll_timeout_atomic(priv->regs, + MTK_STAR_REG_HASH_CTRL, val, + val & MTK_STAR_BIT_HASH_CTRL_BIST_DONE, + 10, MTK_STAR_WAIT_TIMEOUT); + if (ret) + return ret; + + /* Check the BIST_OK bit. */ + regmap_read(priv->regs, MTK_STAR_REG_HASH_CTRL, &val); + if (!(val & MTK_STAR_BIT_HASH_CTRL_BIST_OK)) + return -EIO; + + return 0; +} + +static int mtk_star_set_hashbit(struct mtk_star_priv *priv, + unsigned int hash_addr) +{ + unsigned int val; + int ret; + + ret = mtk_star_hash_wait_cmd_start(priv); + if (ret) + return ret; + + val = hash_addr & MTK_STAR_MSK_HASH_CTRL_HASH_BIT_ADDR; + val |= MTK_STAR_BIT_HASH_CTRL_ACC_CMD; + val |= MTK_STAR_BIT_HASH_CTRL_CMD_START; + val |= MTK_STAR_BIT_HASH_CTRL_BIST_EN; + val |= MTK_STAR_BIT_HASH_CTRL_HASH_BIT_DATA; + regmap_write(priv->regs, MTK_STAR_REG_HASH_CTRL, val); + + return mtk_star_hash_wait_ok(priv); +} + +static int mtk_star_reset_hash_table(struct mtk_star_priv *priv) +{ + int ret; + + ret = mtk_star_hash_wait_cmd_start(priv); + if (ret) + return ret; + + regmap_update_bits(priv->regs, MTK_STAR_REG_HASH_CTRL, + MTK_STAR_BIT_HASH_CTRL_BIST_EN, + MTK_STAR_BIT_HASH_CTRL_BIST_EN); + regmap_update_bits(priv->regs, MTK_STAR_REG_TEST1, + MTK_STAR_BIT_TEST1_RST_HASH_MBIST, + MTK_STAR_BIT_TEST1_RST_HASH_MBIST); + + return mtk_star_hash_wait_ok(priv); +} + +static void mtk_star_phy_config(struct mtk_star_priv *priv) +{ + unsigned int val; + + if (priv->speed == SPEED_1000) + val = MTK_STAR_VAL_PHY_CTRL1_FORCE_SPD_1000M; + else if (priv->speed == SPEED_100) + val = MTK_STAR_VAL_PHY_CTRL1_FORCE_SPD_100M; + else + val = MTK_STAR_VAL_PHY_CTRL1_FORCE_SPD_10M; + val <<= MTK_STAR_OFF_PHY_CTRL1_FORCE_SPD; + + val |= MTK_STAR_BIT_PHY_CTRL1_AN_EN; + val |= MTK_STAR_BIT_PHY_CTRL1_FORCE_FC_RX; + val |= MTK_STAR_BIT_PHY_CTRL1_FORCE_FC_TX; + /* Only full-duplex supported for now. */ + val |= MTK_STAR_BIT_PHY_CTRL1_FORCE_DPX; + + regmap_write(priv->regs, MTK_STAR_REG_PHY_CTRL1, val); + + if (priv->pause) { + val = MTK_STAR_VAL_FC_CFG_SEND_PAUSE_TH_2K; + val <<= MTK_STAR_OFF_FC_CFG_SEND_PAUSE_TH; + val |= MTK_STAR_BIT_FC_CFG_UC_PAUSE_DIR; + } else { + val = 0; + } + + regmap_update_bits(priv->regs, MTK_STAR_REG_FC_CFG, + MTK_STAR_MSK_FC_CFG_SEND_PAUSE_TH | + MTK_STAR_BIT_FC_CFG_UC_PAUSE_DIR, val); + + if (priv->pause) { + val = MTK_STAR_VAL_EXT_CFG_SND_PAUSE_RLS_1K; + val <<= MTK_STAR_OFF_EXT_CFG_SND_PAUSE_RLS; + } else { + val = 0; + } + + regmap_update_bits(priv->regs, MTK_STAR_REG_EXT_CFG, + MTK_STAR_MSK_EXT_CFG_SND_PAUSE_RLS, val); +} + +static void mtk_star_adjust_link(struct net_device *ndev) +{ + struct mtk_star_priv *priv = netdev_priv(ndev); + struct phy_device *phydev = priv->phydev; + bool new_state = false; + + if (phydev->link) { + if (!priv->link) { + priv->link = phydev->link; + new_state = true; + } + + if (priv->speed != phydev->speed) { + priv->speed = phydev->speed; + new_state = true; + } + + if (priv->pause != phydev->pause) { + priv->pause = phydev->pause; + new_state = true; + } + } else { + if (priv->link) { + priv->link = phydev->link; + new_state = true; + } + } + + if (new_state) { + if (phydev->link) + mtk_star_phy_config(priv); + + phy_print_status(ndev->phydev); + } +} + +static void mtk_star_init_config(struct mtk_star_priv *priv) +{ + unsigned int val; + + val = (MTK_STAR_BIT_MII_PAD_OUT_ENABLE | + MTK_STAR_BIT_EXT_MDC_MODE | + MTK_STAR_BIT_SWC_MII_MODE); + + regmap_write(priv->regs, MTK_STAR_REG_SYS_CONF, val); + regmap_update_bits(priv->regs, MTK_STAR_REG_MAC_CLK_CONF, + MTK_STAR_MSK_MAC_CLK_CONF, + MTK_STAR_BIT_CLK_DIV_10); +} + +static void mtk_star_set_mode_rmii(struct mtk_star_priv *priv) +{ + regmap_update_bits(priv->pericfg, MTK_PERICFG_REG_NIC_CFG_CON, + MTK_PERICFG_MSK_NIC_CFG_CON_CFG_MII, + MTK_PERICFG_BIT_NIC_CFG_CON_RMII); +} + +static int mtk_star_enable(struct net_device *ndev) +{ + struct mtk_star_priv *priv = netdev_priv(ndev); + unsigned int val; + int ret; + + mtk_star_nic_disable_pd(priv); + mtk_star_intr_disable(priv); + mtk_star_dma_stop(priv); + + mtk_star_set_mac_addr(ndev); + + /* Configure the MAC */ + val = MTK_STAR_VAL_MAC_CFG_IPG_96BIT; + val <<= MTK_STAR_OFF_MAC_CFG_IPG; + val |= MTK_STAR_BIT_MAC_CFG_MAXLEN_1522; + val |= MTK_STAR_BIT_MAC_CFG_AUTO_PAD; + val |= MTK_STAR_BIT_MAC_CFG_CRC_STRIP; + regmap_write(priv->regs, MTK_STAR_REG_MAC_CFG, val); + + /* Enable Hash Table BIST and reset it */ + ret = mtk_star_reset_hash_table(priv); + if (ret) + return ret; + + /* Setup the hashing algorithm */ + regmap_update_bits(priv->regs, MTK_STAR_REG_ARL_CFG, + MTK_STAR_BIT_ARL_CFG_HASH_ALG | + MTK_STAR_BIT_ARL_CFG_MISC_MODE, 0); + + /* Don't strip VLAN tags */ + regmap_update_bits(priv->regs, MTK_STAR_REG_MAC_CFG, + MTK_STAR_BIT_MAC_CFG_VLAN_STRIP, 0); + + /* Setup DMA */ + mtk_star_dma_init(priv); + + ret = mtk_star_prepare_rx_skbs(ndev); + if (ret) + goto err_out; + + /* Request the interrupt */ + ret = request_irq(ndev->irq, mtk_star_handle_irq, + IRQF_TRIGGER_FALLING, ndev->name, ndev); + if (ret) + goto err_free_skbs; + + napi_enable(&priv->napi); + + mtk_star_intr_ack_all(priv); + mtk_star_intr_enable(priv); + + /* Connect to and start PHY */ + priv->phydev = of_phy_connect(ndev, priv->phy_node, + mtk_star_adjust_link, 0, priv->phy_intf); + if (!priv->phydev) { + netdev_err(ndev, "failed to connect to PHY\n"); + goto err_free_irq; + } + + mtk_star_dma_start(priv); + phy_start(priv->phydev); + netif_start_queue(ndev); + + return 0; + +err_free_irq: + free_irq(ndev->irq, ndev); +err_free_skbs: + mtk_star_free_rx_skbs(priv); +err_out: + return ret; +} + +static void mtk_star_disable(struct net_device *ndev) +{ + struct mtk_star_priv *priv = netdev_priv(ndev); + + netif_stop_queue(ndev); + napi_disable(&priv->napi); + mtk_star_intr_disable(priv); + mtk_star_dma_disable(priv); + mtk_star_intr_ack_all(priv); + phy_stop(priv->phydev); + phy_disconnect(priv->phydev); + free_irq(ndev->irq, ndev); + mtk_star_free_rx_skbs(priv); + mtk_star_free_tx_skbs(priv); +} + +static int mtk_star_netdev_open(struct net_device *ndev) +{ + return mtk_star_enable(ndev); +} + +static int mtk_star_netdev_stop(struct net_device *ndev) +{ + mtk_star_disable(ndev); + + return 0; +} + +static int mtk_star_netdev_ioctl(struct net_device *ndev, + struct ifreq *req, int cmd) +{ + if (!netif_running(ndev)) + return -EINVAL; + + return phy_mii_ioctl(ndev->phydev, req, cmd); +} + +static int mtk_star_netdev_start_xmit(struct sk_buff *skb, + struct net_device *ndev) +{ + struct mtk_star_priv *priv = netdev_priv(ndev); + struct mtk_star_ring *ring = &priv->tx_ring; + struct device *dev = mtk_star_get_dev(priv); + struct mtk_star_ring_desc_data desc_data; + + desc_data.dma_addr = mtk_star_dma_map_tx(priv, skb); + if (dma_mapping_error(dev, desc_data.dma_addr)) + goto err_drop_packet; + + desc_data.skb = skb; + desc_data.len = skb->len; + + spin_lock_bh(&priv->lock); + + mtk_star_ring_push_head_tx(ring, &desc_data); + + netdev_sent_queue(ndev, skb->len); + + if (mtk_star_ring_full(ring)) + netif_stop_queue(ndev); + + spin_unlock_bh(&priv->lock); + + mtk_star_dma_resume_tx(priv); + + return NETDEV_TX_OK; + +err_drop_packet: + dev_kfree_skb(skb); + ndev->stats.tx_dropped++; + return NETDEV_TX_BUSY; +} + +/* Returns the number of bytes sent or a negative number on the first + * descriptor owned by DMA. + */ +static int mtk_star_tx_complete_one(struct mtk_star_priv *priv) +{ + struct mtk_star_ring *ring = &priv->tx_ring; + struct mtk_star_ring_desc_data desc_data; + int ret; + + ret = mtk_star_ring_pop_tail(ring, &desc_data); + if (ret) + return ret; + + mtk_star_dma_unmap_tx(priv, &desc_data); + ret = desc_data.skb->len; + dev_kfree_skb_irq(desc_data.skb); + + return ret; +} + +static void mtk_star_tx_complete_all(struct mtk_star_priv *priv) +{ + struct mtk_star_ring *ring = &priv->tx_ring; + struct net_device *ndev = priv->ndev; + int ret, pkts_compl, bytes_compl; + bool wake = false; + + spin_lock(&priv->lock); + + for (pkts_compl = 0, bytes_compl = 0;; + pkts_compl++, bytes_compl += ret, wake = true) { + if (!mtk_star_ring_descs_available(ring)) + break; + + ret = mtk_star_tx_complete_one(priv); + if (ret < 0) + break; + } + + netdev_completed_queue(ndev, pkts_compl, bytes_compl); + + if (wake && netif_queue_stopped(ndev)) + netif_wake_queue(ndev); + + mtk_star_intr_enable_tx(priv); + + spin_unlock(&priv->lock); +} + +static void mtk_star_netdev_get_stats64(struct net_device *ndev, + struct rtnl_link_stats64 *stats) +{ + struct mtk_star_priv *priv = netdev_priv(ndev); + + mtk_star_update_stats(priv); + + memcpy(stats, &priv->stats, sizeof(*stats)); +} + +static void mtk_star_set_rx_mode(struct net_device *ndev) +{ + struct mtk_star_priv *priv = netdev_priv(ndev); + struct netdev_hw_addr *hw_addr; + unsigned int hash_addr, i; + int ret; + + if (ndev->flags & IFF_PROMISC) { + regmap_update_bits(priv->regs, MTK_STAR_REG_ARL_CFG, + MTK_STAR_BIT_ARL_CFG_MISC_MODE, + MTK_STAR_BIT_ARL_CFG_MISC_MODE); + } else if (netdev_mc_count(ndev) > MTK_STAR_HASHTABLE_MC_LIMIT || + ndev->flags & IFF_ALLMULTI) { + for (i = 0; i < MTK_STAR_HASHTABLE_SIZE_MAX; i++) { + ret = mtk_star_set_hashbit(priv, i); + if (ret) + goto hash_fail; + } + } else { + /* Clear previous settings. */ + ret = mtk_star_reset_hash_table(priv); + if (ret) + goto hash_fail; + + netdev_for_each_mc_addr(hw_addr, ndev) { + hash_addr = (hw_addr->addr[0] & 0x01) << 8; + hash_addr += hw_addr->addr[5]; + ret = mtk_star_set_hashbit(priv, hash_addr); + if (ret) + goto hash_fail; + } + } + + return; + +hash_fail: + if (ret == -ETIMEDOUT) + netdev_err(ndev, "setting hash bit timed out\n"); + else + /* Should be -EIO */ + netdev_err(ndev, "unable to set hash bit"); +} + +static const struct net_device_ops mtk_star_netdev_ops = { + .ndo_open = mtk_star_netdev_open, + .ndo_stop = mtk_star_netdev_stop, + .ndo_start_xmit = mtk_star_netdev_start_xmit, + .ndo_get_stats64 = mtk_star_netdev_get_stats64, + .ndo_set_rx_mode = mtk_star_set_rx_mode, + .ndo_do_ioctl = mtk_star_netdev_ioctl, + .ndo_set_mac_address = eth_mac_addr, + .ndo_validate_addr = eth_validate_addr, +}; + +static void mtk_star_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) +{ + strlcpy(info->driver, MTK_STAR_DRVNAME, sizeof(info->driver)); +} + +/* TODO Add ethtool stats. */ +static const struct ethtool_ops mtk_star_ethtool_ops = { + .get_drvinfo = mtk_star_get_drvinfo, + .get_link = ethtool_op_get_link, + .get_link_ksettings = phy_ethtool_get_link_ksettings, + .set_link_ksettings = phy_ethtool_set_link_ksettings, +}; + +static int mtk_star_receive_packet(struct mtk_star_priv *priv) +{ + struct mtk_star_ring *ring = &priv->rx_ring; + struct device *dev = mtk_star_get_dev(priv); + struct mtk_star_ring_desc_data desc_data; + struct net_device *ndev = priv->ndev; + struct sk_buff *curr_skb, *new_skb; + dma_addr_t new_dma_addr; + int ret; + + spin_lock(&priv->lock); + ret = mtk_star_ring_pop_tail(ring, &desc_data); + spin_unlock(&priv->lock); + if (ret) + return -1; + + curr_skb = desc_data.skb; + + if ((desc_data.flags & MTK_STAR_DESC_BIT_RX_CRCE) || + (desc_data.flags & MTK_STAR_DESC_BIT_RX_OSIZE)) { + /* Error packet -> drop and reuse skb. */ + new_skb = curr_skb; + goto push_new_skb; + } + + /* Prepare new skb before receiving the current one. Reuse the current + * skb if we fail at any point. + */ + new_skb = mtk_star_alloc_skb(ndev); + if (!new_skb) { + ndev->stats.rx_dropped++; + new_skb = curr_skb; + goto push_new_skb; + } + + new_dma_addr = mtk_star_dma_map_rx(priv, new_skb); + if (dma_mapping_error(dev, new_dma_addr)) { + ndev->stats.rx_dropped++; + dev_kfree_skb(new_skb); + new_skb = curr_skb; + netdev_err(ndev, "DMA mapping error of RX descriptor\n"); + goto push_new_skb; + } + + /* We can't fail anymore at this point: it's safe to unmap the skb. */ + mtk_star_dma_unmap_rx(priv, &desc_data); + + skb_put(desc_data.skb, desc_data.len); + desc_data.skb->ip_summed = CHECKSUM_NONE; + desc_data.skb->protocol = eth_type_trans(desc_data.skb, ndev); + desc_data.skb->dev = ndev; + netif_receive_skb(desc_data.skb); + +push_new_skb: + desc_data.dma_addr = new_dma_addr; + desc_data.len = skb_tailroom(new_skb); + desc_data.skb = new_skb; + + spin_lock(&priv->lock); + mtk_star_ring_push_head_rx(ring, &desc_data); + spin_unlock(&priv->lock); + + return 0; +} + +static int mtk_star_process_rx(struct mtk_star_priv *priv, int budget) +{ + int received, ret; + + for (received = 0, ret = 0; received < budget && ret == 0; received++) + ret = mtk_star_receive_packet(priv); + + mtk_star_dma_resume_rx(priv); + + return received; +} + +static int mtk_star_poll(struct napi_struct *napi, int budget) +{ + struct mtk_star_priv *priv; + int received = 0; + + priv = container_of(napi, struct mtk_star_priv, napi); + + /* Clean-up all TX descriptors. */ + mtk_star_tx_complete_all(priv); + /* Receive up to $budget packets. */ + received = mtk_star_process_rx(priv, budget); + + if (received < budget) { + napi_complete_done(napi, received); + mtk_star_intr_enable_rx(priv); + } + + return received; +} + +static void mtk_star_mdio_rwok_clear(struct mtk_star_priv *priv) +{ + regmap_write(priv->regs, MTK_STAR_REG_PHY_CTRL0, + MTK_STAR_BIT_PHY_CTRL0_RWOK); +} + +static int mtk_star_mdio_rwok_wait(struct mtk_star_priv *priv) +{ + unsigned int val; + + return regmap_read_poll_timeout(priv->regs, MTK_STAR_REG_PHY_CTRL0, + val, val & MTK_STAR_BIT_PHY_CTRL0_RWOK, + 10, MTK_STAR_WAIT_TIMEOUT); +} + +static int mtk_star_mdio_read(struct mii_bus *mii, int phy_id, int regnum) +{ + struct mtk_star_priv *priv = mii->priv; + unsigned int val, data; + int ret; + + if (regnum & MII_ADDR_C45) + return -EOPNOTSUPP; + + mtk_star_mdio_rwok_clear(priv); + + val = (regnum << MTK_STAR_OFF_PHY_CTRL0_PREG); + val &= MTK_STAR_MSK_PHY_CTRL0_PREG; + val |= MTK_STAR_BIT_PHY_CTRL0_RDCMD; + + regmap_write(priv->regs, MTK_STAR_REG_PHY_CTRL0, val); + + ret = mtk_star_mdio_rwok_wait(priv); + if (ret) + return ret; + + regmap_read(priv->regs, MTK_STAR_REG_PHY_CTRL0, &data); + + data &= MTK_STAR_MSK_PHY_CTRL0_RWDATA; + data >>= MTK_STAR_OFF_PHY_CTRL0_RWDATA; + + return data; +} + +static int mtk_star_mdio_write(struct mii_bus *mii, int phy_id, + int regnum, u16 data) +{ + struct mtk_star_priv *priv = mii->priv; + unsigned int val; + + if (regnum & MII_ADDR_C45) + return -EOPNOTSUPP; + + mtk_star_mdio_rwok_clear(priv); + + val = data; + val <<= MTK_STAR_OFF_PHY_CTRL0_RWDATA; + val &= MTK_STAR_MSK_PHY_CTRL0_RWDATA; + regnum <<= MTK_STAR_OFF_PHY_CTRL0_PREG; + regnum &= MTK_STAR_MSK_PHY_CTRL0_PREG; + val |= regnum; + val |= MTK_STAR_BIT_PHY_CTRL0_WTCMD; + + regmap_write(priv->regs, MTK_STAR_REG_PHY_CTRL0, val); + + return mtk_star_mdio_rwok_wait(priv); +} + +static int mtk_star_mdio_init(struct net_device *ndev) +{ + struct mtk_star_priv *priv = netdev_priv(ndev); + struct device *dev = mtk_star_get_dev(priv); + struct device_node *of_node, *mdio_node; + int ret; + + of_node = dev->of_node; + + mdio_node = of_get_child_by_name(of_node, "mdio"); + if (!mdio_node) + return -ENODEV; + + if (!of_device_is_available(mdio_node)) { + ret = -ENODEV; + goto out_put_node; + } + + priv->mii = devm_mdiobus_alloc(dev); + if (!priv->mii) { + ret = -ENOMEM; + goto out_put_node; + } + + snprintf(priv->mii->id, MII_BUS_ID_SIZE, "%s", dev_name(dev)); + priv->mii->name = "mtk-mac-mdio"; + priv->mii->parent = dev; + priv->mii->read = mtk_star_mdio_read; + priv->mii->write = mtk_star_mdio_write; + priv->mii->priv = priv; + + ret = of_mdiobus_register(priv->mii, mdio_node); + +out_put_node: + of_node_put(mdio_node); + return ret; +} + +static int mtk_star_suspend(struct device *dev) +{ + struct mtk_star_priv *priv; + struct net_device *ndev; + + ndev = dev_get_drvdata(dev); + priv = netdev_priv(ndev); + + if (netif_running(ndev)) + mtk_star_disable(ndev); + + clk_bulk_disable_unprepare(MTK_STAR_NCLKS, priv->clks); + + return 0; +} + +static int mtk_star_resume(struct device *dev) +{ + struct mtk_star_priv *priv; + struct net_device *ndev; + int ret; + + ndev = dev_get_drvdata(dev); + priv = netdev_priv(ndev); + + ret = clk_bulk_prepare_enable(MTK_STAR_NCLKS, priv->clks); + if (ret) + return ret; + + if (netif_running(ndev)) { + ret = mtk_star_enable(ndev); + if (ret) + clk_bulk_disable_unprepare(MTK_STAR_NCLKS, priv->clks); + } + + return ret; +} + +static void mtk_star_clk_disable_unprepare(void *data) +{ + struct mtk_star_priv *priv = data; + + clk_bulk_disable_unprepare(MTK_STAR_NCLKS, priv->clks); +} + +static void mtk_star_mdiobus_unregister(void *data) +{ + struct mtk_star_priv *priv = data; + + mdiobus_unregister(priv->mii); +} + +static void mtk_star_unregister_netdev(void *data) +{ + struct net_device *ndev = data; + + unregister_netdev(ndev); +} + +static int mtk_star_probe(struct platform_device *pdev) +{ + struct device_node *of_node; + struct mtk_star_priv *priv; + struct net_device *ndev; + struct device *dev; + void __iomem *base; + int ret, i; + + dev = &pdev->dev; + of_node = dev->of_node; + + ndev = devm_alloc_etherdev(dev, sizeof(*priv)); + if (!ndev) + return -ENOMEM; + + priv = netdev_priv(ndev); + priv->ndev = ndev; + SET_NETDEV_DEV(ndev, dev); + platform_set_drvdata(pdev, ndev); + + ndev->min_mtu = ETH_ZLEN; + ndev->max_mtu = MTK_STAR_MAX_FRAME_SIZE; + + spin_lock_init(&priv->lock); + INIT_WORK(&priv->stats_work, mtk_star_update_stats_work); + + base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + /* We won't be checking the return values of regmap read & write + * functions. They can only fail for mmio if there's a clock attached + * to regmap which is not the case here. + */ + priv->regs = devm_regmap_init_mmio(dev, base, + &mtk_star_regmap_config); + if (IS_ERR(priv->regs)) + return PTR_ERR(priv->regs); + + priv->pericfg = syscon_regmap_lookup_by_phandle(of_node, + "mediatek,pericfg"); + if (IS_ERR(priv->pericfg)) { + dev_err(dev, "Failed to lookup the PERICFG syscon\n"); + return PTR_ERR(priv->pericfg); + } + + ndev->irq = platform_get_irq(pdev, 0); + if (ndev->irq < 0) + return ndev->irq; + + for (i = 0; i < MTK_STAR_NCLKS; i++) + priv->clks[i].id = mtk_star_clk_names[i]; + ret = devm_clk_bulk_get(dev, MTK_STAR_NCLKS, priv->clks); + if (ret) + return ret; + + ret = clk_bulk_prepare_enable(MTK_STAR_NCLKS, priv->clks); + if (ret) + return ret; + + ret = devm_add_action_or_reset(dev, + mtk_star_clk_disable_unprepare, priv); + if (ret) + return ret; + + ret = of_get_phy_mode(of_node, &priv->phy_intf); + if (ret) { + return ret; + } else if (priv->phy_intf != PHY_INTERFACE_MODE_RMII) { + dev_err(dev, "unsupported phy mode: %s\n", + phy_modes(priv->phy_intf)); + return -EINVAL; + } + + priv->phy_node = of_parse_phandle(of_node, "phy-handle", 0); + if (!priv->phy_node) { + dev_err(dev, "failed to retrieve the phy handle from device tree\n"); + return -ENODEV; + } + + mtk_star_set_mode_rmii(priv); + + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); + if (ret) { + dev_err(dev, "unsupported DMA mask\n"); + return ret; + } + + priv->ring_base = dmam_alloc_coherent(dev, MTK_STAR_DMA_SIZE, + &priv->dma_addr, + GFP_KERNEL | GFP_DMA); + if (!priv->ring_base) + return -ENOMEM; + + mtk_star_nic_disable_pd(priv); + mtk_star_init_config(priv); + + ret = mtk_star_mdio_init(ndev); + if (ret) + return ret; + + ret = devm_add_action_or_reset(dev, mtk_star_mdiobus_unregister, priv); + if (ret) + return ret; + + ret = eth_platform_get_mac_address(dev, ndev->dev_addr); + if (ret || !is_valid_ether_addr(ndev->dev_addr)) + eth_hw_addr_random(ndev); + + ndev->netdev_ops = &mtk_star_netdev_ops; + ndev->ethtool_ops = &mtk_star_ethtool_ops; + + netif_napi_add(ndev, &priv->napi, mtk_star_poll, MTK_STAR_NAPI_WEIGHT); + + ret = register_netdev(ndev); + if (ret) + return ret; + + ret = devm_add_action_or_reset(dev, mtk_star_unregister_netdev, ndev); + if (ret) + return ret; + + return 0; +} + +static const struct of_device_id mtk_star_of_match[] = { + { .compatible = "mediatek,mt8516-eth", }, + { .compatible = "mediatek,mt8518-eth", }, + { .compatible = "mediatek,mt8175-eth", }, + { } +}; +MODULE_DEVICE_TABLE(of, mtk_star_of_match); + +static SIMPLE_DEV_PM_OPS(mtk_star_pm_ops, + mtk_star_suspend, mtk_star_resume); + +static struct platform_driver mtk_star_driver = { + .driver = { + .name = MTK_STAR_DRVNAME, + .pm = &mtk_star_pm_ops, + .of_match_table = of_match_ptr(mtk_star_of_match), + }, + .probe = mtk_star_probe, +}; +module_platform_driver(mtk_star_driver); + +MODULE_AUTHOR("Bartosz Golaszewski "); +MODULE_DESCRIPTION("Mediatek STAR Ethernet MAC Driver"); +MODULE_LICENSE("GPL"); From patchwork Fri May 22 12:06:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 200138 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5C05C433DF for ; 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[2.15.156.232]) by smtp.gmail.com with ESMTPSA id f128sm9946233wme.1.2020.05.22.05.07.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2020 05:07:29 -0700 (PDT) From: Bartosz Golaszewski To: Rob Herring , "David S . Miller" , Matthias Brugger , John Crispin , Sean Wang , Mark Lee , Jakub Kicinski , Arnd Bergmann , Fabien Parent , Heiner Kallweit , Edwin Peer Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Stephane Le Provost , Pedro Tsai , Andrew Perepech , Bartosz Golaszewski Subject: [PATCH v5 07/11] ARM64: dts: mediatek: add pericfg syscon to mt8516.dtsi Date: Fri, 22 May 2020 14:06:56 +0200 Message-Id: <20200522120700.838-8-brgl@bgdev.pl> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200522120700.838-1-brgl@bgdev.pl> References: <20200522120700.838-1-brgl@bgdev.pl> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Bartosz Golaszewski This adds support for the PERICFG register range as a syscon. This will soon be used by the MediaTek Ethernet MAC driver for NIC configuration. Signed-off-by: Bartosz Golaszewski --- arch/arm64/boot/dts/mediatek/mt8516.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8516.dtsi b/arch/arm64/boot/dts/mediatek/mt8516.dtsi index 2f8adf042195..8cedaf74ae86 100644 --- a/arch/arm64/boot/dts/mediatek/mt8516.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8516.dtsi @@ -191,6 +191,11 @@ infracfg: infracfg@10001000 { #clock-cells = <1>; }; + pericfg: pericfg@10003050 { + compatible = "mediatek,mt8516-pericfg", "syscon"; + reg = <0 0x10003050 0 0x1000>; + }; + apmixedsys: apmixedsys@10018000 { compatible = "mediatek,mt8516-apmixedsys", "syscon"; reg = <0 0x10018000 0 0x710>; From patchwork Fri May 22 12:06:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 200139 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 722EFC433E0 for ; Fri, 22 May 2020 12:07:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3C1FA206F6 for ; Fri, 22 May 2020 12:07:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="DVsXn2eY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729726AbgEVMHu (ORCPT ); Fri, 22 May 2020 08:07:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59760 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729421AbgEVMHg (ORCPT ); Fri, 22 May 2020 08:07:36 -0400 Received: from mail-wm1-x344.google.com (mail-wm1-x344.google.com [IPv6:2a00:1450:4864:20::344]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 26B80C08C5C0 for ; Fri, 22 May 2020 05:07:36 -0700 (PDT) Received: by mail-wm1-x344.google.com with SMTP id v19so2636686wmj.0 for ; Fri, 22 May 2020 05:07:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=KiLRpfO6b7G+PZFXWrA65hqZV6E46x1U4Qg5U0775pc=; b=DVsXn2eYoFofqn541LZ4MfkWal+3Vy9fBdI9yAspaG2zAyqASOY0tqc4Nv4/+Bi62Z tUfQjSY+FHNzvALMKzVBCmTkLM740jnrTT30ToZZZzw5iGAWEdQKVrwkIiexpGELhLeO zrU088OFMx4gG4ErEwJxSrWOubMuE+9AUwAWJEOXRKSN2g6OXzZp/iTxw8DRAJlYedqz ngTmIuwLXT5hVEDSTz+QlHrw5qnO6fDzlZdtpPnREpOR9PzLcfhal6JyMl/WxmqcCCde fOpT0KAuZcee9ng8kIq8noqAJrKMD/yd0N+cE/pHu7NboS6Ct6ENqOoOjSo3cOcQ3Qx1 gWXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=KiLRpfO6b7G+PZFXWrA65hqZV6E46x1U4Qg5U0775pc=; b=iVrLkq6w8QhkevFx+JA2GBeGCof+E6PSeMixWksowPPrGhCC0ypmgPSuMZLjjhKQGd BEPzrSEZj8d86L7Bj9lYUsuD8fVkTodsJIFMF5dBokAtIrK9MWeCHWitmDhAALQc9FTK VxQLI3tXzqhoeIY2ovbqTC7QfzKaZMsGrpcdz/7qjzt5Z90OLI5H32VKeNF6z5HH7ouM VFTkNc3hnS8eZfV55Qq7P8moZxEFXhsZnlejfESA0N/LIicBONVCKL7lnK2DwYg3fR1P cx75V1zmd0DsxVx0pO6ModKB+HPCqt7fPHFAN0K8rKTLqtpDwW0+69fy2A3/XRkGEXnJ YBfg== X-Gm-Message-State: AOAM531Uiyh0VMcx3JQb/WEk+FEW5aZErzfK5yM8YuFhVGyvh0+eFZw6 xSXC6YD5pJlIY9/ex37gEAKF4w== X-Google-Smtp-Source: ABdhPJy2dPeRTy6mlLX5UEd/lcC8TWwiaJ2T7GRkUXTF72jg1Gp3bgoI92xKzRbwpRCpK5LJsVLcOg== X-Received: by 2002:a7b:c767:: with SMTP id x7mr13670227wmk.181.1590149254930; Fri, 22 May 2020 05:07:34 -0700 (PDT) Received: from localhost.localdomain (lfbn-nic-1-65-232.w2-15.abo.wanadoo.fr. [2.15.156.232]) by smtp.gmail.com with ESMTPSA id f128sm9946233wme.1.2020.05.22.05.07.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2020 05:07:34 -0700 (PDT) From: Bartosz Golaszewski To: Rob Herring , "David S . Miller" , Matthias Brugger , John Crispin , Sean Wang , Mark Lee , Jakub Kicinski , Arnd Bergmann , Fabien Parent , Heiner Kallweit , Edwin Peer Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Stephane Le Provost , Pedro Tsai , Andrew Perepech , Bartosz Golaszewski Subject: [PATCH v5 10/11] ARM64: dts: mediatek: add ethernet pins for pumpkin boards Date: Fri, 22 May 2020 14:06:59 +0200 Message-Id: <20200522120700.838-11-brgl@bgdev.pl> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200522120700.838-1-brgl@bgdev.pl> References: <20200522120700.838-1-brgl@bgdev.pl> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Bartosz Golaszewski Setup the pin control for the Ethernet MAC. Signed-off-by: Bartosz Golaszewski --- arch/arm64/boot/dts/mediatek/pumpkin-common.dtsi | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/pumpkin-common.dtsi b/arch/arm64/boot/dts/mediatek/pumpkin-common.dtsi index 97d9b000c37e..4b1d5f69aba6 100644 --- a/arch/arm64/boot/dts/mediatek/pumpkin-common.dtsi +++ b/arch/arm64/boot/dts/mediatek/pumpkin-common.dtsi @@ -219,4 +219,19 @@ gpio_mux_int_n_pin { bias-pull-up; }; }; + + ethernet_pins_default: ethernet { + pins_ethernet { + pinmux = , + , + , + , + , + , + , + , + , + ; + }; + }; };