From patchwork Thu Apr 30 11:57:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Priit Laes X-Patchwork-Id: 11520003 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2B581912 for ; Thu, 30 Apr 2020 11:58:58 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id ED330207DD for ; Thu, 30 Apr 2020 11:58:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="V+6BXdlc"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=plaes.org header.i=@plaes.org header.b="GIzah/ig" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ED330207DD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=plaes.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=rZ5QM/zKOMQdK+8ewskz+DYW3J/aicoQwphriv8oU64=; b=V+6BXdlcAeG0Mi fO4zOWcXzkVRqp72LsLqW29eI1tQHwClTISWjHRmxbbSU3W+6R1+90ellG7IHc+eCeIwT30m8nMXF ZitfVbwxSACAssS8nmwwvyHdO09bBjwAxc3Put3DO25H0XBunzrJeg798reTCPQNzDCsDi2DGBTL/ G1XO1QSnLZm7E8r8tSanyeVmdlMW9hp0nZpe0f1GUwoZQ4cj9aJsMDh9jzL18KNqik/Xre6UK4sdn Gb06tY86kaAeqr1McPOTCqzwbgk2VPe0A2tgeNMFzIbkbqC3HbByR0x1oXJ5wzLh4aV8uefUD7P3M kcprIPELiQeIm6fd5YeQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jU7q7-000763-KM; Thu, 30 Apr 2020 11:58:51 +0000 Received: from plaes.org ([188.166.43.21]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jU7p5-000652-EO for linux-arm-kernel@lists.infradead.org; Thu, 30 Apr 2020 11:57:49 +0000 Received: from localhost (unknown [IPv6:2001:1530:1000:d397:940e:6b9e:3deb:3]) by plaes.org (Postfix) with ESMTPSA id 607F840020; Thu, 30 Apr 2020 11:57:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=plaes.org; s=mail; t=1588247835; bh=4Nyq2+q+6gFl8xdUXrX7ogdDuJtGtGSha4s+xAB0G6E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GIzah/igz/6ft4ru3lV5D5c3bsMXMumCwGjWVJaI52sdUTMGYdE8+nW3NvTcUXTBB 9gHwzsr6ftIAG7Q4HcwQ8UHdsKsnzCqqV0vc4SlkYprADklbnLZ/6afQfW2DFxxdg2 NXCaKOA87yuer1mL2E3sQSBXw88I2rWvjNaAYJMkn7/81ADG33H0F2tUPUkotOmWs0 d8kPVN/4VcD3181OtT2fj4JEW/oMV0iKkycnAoxdmQxgmr9PaSOXLgdR3pCNArXni+ LKBy/4Bij51sIQEDhKHo+jUBS1ERZYYLM4JXkubmax7eXXagYwcCDlDgOuXEWI4qJp 41rfFL+pHDHBw== From: Priit Laes To: Maxime Ripard , Chen-Yu Tsai , Rob Herring , linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-sunxi@googlegroups.com Subject: [PATCH v3 5/6] ARM: dts: sun7i: Use syscon-based implementation for gmac Date: Thu, 30 Apr 2020 14:57:01 +0300 Message-Id: <20200430115702.5768-6-plaes@plaes.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200430115702.5768-1-plaes@plaes.org> References: <20200430115702.5768-1-plaes@plaes.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200430_045747_764039_AC714AF9 X-CRM114-Status: UNSURE ( 9.64 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Priit Laes Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Use syscon-based approach to access gmac clock configuration register, instead of relying on a custom clock driver. As a bonus, we can now drop the custom clock implementation and dummy clocks making sun7i fully CCU-compatible. Signed-off-by: Priit Laes --- arch/arm/boot/dts/sun7i-a20.dtsi | 36 +++----------------------------- 1 file changed, 3 insertions(+), 33 deletions(-) diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi index ffe1d10a1a84..750962a94fad 100644 --- a/arch/arm/boot/dts/sun7i-a20.dtsi +++ b/arch/arm/boot/dts/sun7i-a20.dtsi @@ -219,37 +219,6 @@ osc32k: clk-32k { clock-frequency = <32768>; clock-output-names = "osc32k"; }; - - /* - * The following two are dummy clocks, placeholders - * used in the gmac_tx clock. The gmac driver will - * choose one parent depending on the PHY interface - * mode, using clk_set_rate auto-reparenting. - * - * The actual TX clock rate is not controlled by the - * gmac_tx clock. - */ - mii_phy_tx_clk: clk-mii-phy-tx { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <25000000>; - clock-output-names = "mii_phy_tx"; - }; - - gmac_int_tx_clk: clk-gmac-int-tx { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <125000000>; - clock-output-names = "gmac_int_tx"; - }; - - gmac_tx_clk: clk@1c20164 { - #clock-cells = <0>; - compatible = "allwinner,sun7i-a20-gmac-clk"; - reg = <0x01c20164 0x4>; - clocks = <&mii_phy_tx_clk>, <&gmac_int_tx_clk>; - clock-output-names = "gmac_tx"; - }; }; @@ -1511,11 +1480,12 @@ mali: gpu@1c40000 { gmac: ethernet@1c50000 { compatible = "allwinner,sun7i-a20-gmac"; + syscon = <&ccu>; reg = <0x01c50000 0x10000>; interrupts = ; interrupt-names = "macirq"; - clocks = <&ccu CLK_AHB_GMAC>, <&gmac_tx_clk>; - clock-names = "stmmaceth", "allwinner_gmac_tx"; + clocks = <&ccu CLK_AHB_GMAC>; + clock-names = "stmmaceth"; snps,pbl = <2>; snps,fixed-burst; snps,force_sf_dma_mode;