From mboxrd@z Thu Jan 1 00:00:00 1970 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 D0457EA4E07 for ; Mon, 2 Mar 2026 14:21:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding: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=4c4I+HxGj0gSEtRaDim1lceLzxjdcoWKeWz4v8/UrcM=; b=dgBR2WzIRmbkPRPLQoJopWGLtI m3I8xzYJBh2r1pJL0+6ZNq6t2/0ofS/ogLF0J1gEO17/0g4jnHvFH32XE7oX/nXwtg7dpwqbNlMkK E9bR/kYo1nRLr0jxWCr05QYr/FYNqs7g/d3Vh4oytDlRIzJcybRbjpYE/aue75YPmUCuGHjTG6s84 LV2NonhHq7OS8Wy2jZJ3hA6wLIkrCfCs05zMIABwBgz8XU46SkeSpw4FX3Q4sOhOtfzVmNWJLjYPG MX3P1TTuHayzunrhTDQPL7g+wkP5+ZFGQ/aYTZEc9h2vFp8MdysccgPLDuj1nRyr/gyvye9aQ0ZaO 2EOcE44A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vx48u-0000000DDhi-0Cz0; Mon, 02 Mar 2026 14:21:04 +0000 Received: from esa.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vx48q-0000000DDfT-1fUf for linux-arm-kernel@lists.infradead.org; Mon, 02 Mar 2026 14:21:01 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1772461260; x=1803997260; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=HJY0wdSVelljhVy5XonzAMfl6FFec1mLbXSyxYUN/sQ=; b=R9y+iTXEhxTS0SYADJSoepzPtQJEKqBYelepcEDo/u9dpfrgxzpnoDY0 j+/8YTf5pgWZcc928zjGm1MN6x7TOw1bkJAghdpNmCoofACQXuHFic+Bh tYlLlJZArueeper9fDdQutGhbpiPklhJZ/LMmiLWVnSzIA/UynWdvstec /Zvvv5wTz5v/balsQEQ1dPNM+KhHBkELr80/tDZd/DBE30FlBprHBOcom 3KJpdrj2/9iB+1+1vKZYm+3KCOFIXnwsGYB8JjJ9DqXcCDrx/c8aOalf6 e5HB4xKKPQ23JLfmndhpchS+vs3ag4mz022bklfJoMtNuTrsTnHBWdL1a Q==; X-CSE-ConnectionGUID: QKICduWAQ5ynFNkWd4cNxQ== X-CSE-MsgGUID: zY7Ptu/AQQyv8r4ZKbZDKw== X-IronPort-AV: E=Sophos;i="6.21,320,1763449200"; d="scan'208";a="221349855" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa6.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Mar 2026 07:20:57 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.87.151) by chn-vm-ex3.mchp-main.com (10.10.87.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.2562.35; Mon, 2 Mar 2026 07:20:33 -0700 Received: from archlinux.mchp-main.com (10.10.85.11) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2507.58 via Frontend Transport; Mon, 2 Mar 2026 07:20:29 -0700 From: Mihai Sain To: , , , , , , , , , , CC: , , , , , Mihai Sain Subject: [PATCH 4/4] ARM: dts: microchip: sam9x7: fix GMAC clock configuration Date: Mon, 2 Mar 2026 16:20:08 +0200 Message-ID: <20260302142008.3253-5-mihai.sain@microchip.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260302142008.3253-1-mihai.sain@microchip.com> References: <20260302142008.3253-1-mihai.sain@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260302_062100_526067_B9DFE965 X-CRM114-Status: GOOD ( 11.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The GMAC node incorrectly listed four clocks, including a separate tx_clk and a TSU GCK clock sourced from ID 67. According to the SAM9X7 clocking scheme, the GMAC uses only three clocks: HCLK, PCLK, and the TSU GCK derived from the GMAC peripheral clock (ID 24). This patch removes the unused tx_clk, updates the clock-names accordingly, and corrects the assigned clock to use GCK 24 instead of GCK 67. This aligns the device tree with the actual hardware clock topology and prevents misconfiguration of the GMAC clock tree. [root@SAM9X75 ~]$ cat /sys/kernel/debug/clk/clk_summary | grep gmac gmac_gclk 1 1 1 266666666 0 0 50000 Y f802c000.ethernet tsu_clk f802c000.ethernet tsu_clk gmac_clk 2 2 0 266666666 0 0 50000 Y f802c000.ethernet hclk f802c000.ethernet pclk Fixes: 41af45af8bc3 ("ARM: dts: at91: sam9x7: add device tree for SoC") Signed-off-by: Mihai Sain --- arch/arm/boot/dts/microchip/sam9x7.dtsi | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/microchip/sam9x7.dtsi b/arch/arm/boot/dts/microchip/sam9x7.dtsi index 46dacbbd201d..a42716e18da3 100644 --- a/arch/arm/boot/dts/microchip/sam9x7.dtsi +++ b/arch/arm/boot/dts/microchip/sam9x7.dtsi @@ -990,9 +990,9 @@ gmac: ethernet@f802c000 { <62 IRQ_TYPE_LEVEL_HIGH 3>, /* Queue 3 */ <63 IRQ_TYPE_LEVEL_HIGH 3>, /* Queue 4 */ <64 IRQ_TYPE_LEVEL_HIGH 3>; /* Queue 5 */ - clocks = <&pmc PMC_TYPE_PERIPHERAL 24>, <&pmc PMC_TYPE_PERIPHERAL 24>, <&pmc PMC_TYPE_GCK 24>, <&pmc PMC_TYPE_GCK 67>; - clock-names = "hclk", "pclk", "tx_clk", "tsu_clk"; - assigned-clocks = <&pmc PMC_TYPE_GCK 67>; + clocks = <&pmc PMC_TYPE_PERIPHERAL 24>, <&pmc PMC_TYPE_PERIPHERAL 24>, <&pmc PMC_TYPE_GCK 24>; + clock-names = "hclk", "pclk", "tsu_clk"; + assigned-clocks = <&pmc PMC_TYPE_GCK 24>; assigned-clock-rates = <266666666>; status = "disabled"; }; -- 2.53.0