From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6670F1AD9FE; Mon, 17 Jun 2024 13:22:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718630525; cv=none; b=N5QqyPtXt0Q3yYV3xE2bKx4xVHd+pRPvNzKWkSPn7Xohlru4vxKZMOlvnE959aSGTL1hJxjZMoIJzP7bzYm5DuYodfMHe6viM67ZoUhStgwL3V7iOo6GhSt5XI5L+WnT8tBkTCZOYbFRJ7RlFONRJFfX7laXJ6tkNEL5XqsTuwE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718630525; c=relaxed/simple; bh=YmjootAgKlT4AUdnARxUqy73v9hCZ0Uej/RVPrjCcqM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qxsMvXpP8y4K2neoTK6cK6+zgeOQ1tIitcC2THzsWTV6q3zZi1sCg57OlvcHatXX33EkLow6SyxSE0dh2DOxNwcDxk60Bw5L6WANEGuUhpN0sv374wl2GzPoTiJlRG7EpM/nH0dB405uOuti9ZVkV8TjCnihZgrpUErt7m06I/4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=s+M8cqw9; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="s+M8cqw9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D84BDC4AF1C; Mon, 17 Jun 2024 13:22:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718630525; bh=YmjootAgKlT4AUdnARxUqy73v9hCZ0Uej/RVPrjCcqM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=s+M8cqw9LG2oZoXGCu+Q4ZbIOdGhCbSlh00LHUKzzt5vfzt2M7tMozAMxgMCnwUyc Y12frsWyASEc7Z0yOc87bgFpyOITpOJy5wVmkG5RdYJ3o/BUFqOeVlwB3zpSzNxzKa EpS4WLRm7Hh4DmUID6K9dRFQGzGxAhJJZcvVXyhI/l1fgHnAtJPythkcV4Zy6PKGkM 3+3pckq+Ij7O5EpEWRBhjLMWcbbuYPzUEU7/XcWPIgY+yzzWYOQSGfn8wPuxAglI6i Rmkp6y2+cwo2OQ7QWHtZ1MceVnzA6cePZuc9SGIDOGEqjCmtS6k8ahnOzWxHI+r9XI ZUQrtU8iHoQmQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Huacai Chen , Sasha Levin , robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, chenhuacai@kernel.org, devicetree@vger.kernel.org, loongarch@lists.linux.dev Subject: [PATCH AUTOSEL 6.9 31/44] LoongArch: Fix GMAC's phy-mode definitions in dts Date: Mon, 17 Jun 2024 09:19:44 -0400 Message-ID: <20240617132046.2587008-31-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240617132046.2587008-1-sashal@kernel.org> References: <20240617132046.2587008-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.9.5 Content-Transfer-Encoding: 8bit From: Huacai Chen [ Upstream commit eb36e520f4f1b690fd776f15cbac452f82ff7bfa ] The GMAC of Loongson chips cannot insert the correct 1.5-2ns delay. So we need the PHY to insert internal delays for both transmit and receive data lines from/to the PHY device. Fix this by changing the "phy-mode" from "rgmii" to "rgmii-id" in dts. Signed-off-by: Huacai Chen Signed-off-by: Sasha Levin --- arch/loongarch/boot/dts/loongson-2k0500-ref.dts | 4 ++-- arch/loongarch/boot/dts/loongson-2k1000-ref.dts | 4 ++-- arch/loongarch/boot/dts/loongson-2k2000-ref.dts | 2 +- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/loongarch/boot/dts/loongson-2k0500-ref.dts b/arch/loongarch/boot/dts/loongson-2k0500-ref.dts index 8aefb0c126722..a34734a6c3ce8 100644 --- a/arch/loongarch/boot/dts/loongson-2k0500-ref.dts +++ b/arch/loongarch/boot/dts/loongson-2k0500-ref.dts @@ -44,14 +44,14 @@ linux,cma { &gmac0 { status = "okay"; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; bus_id = <0x0>; }; &gmac1 { status = "okay"; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; bus_id = <0x1>; }; diff --git a/arch/loongarch/boot/dts/loongson-2k1000-ref.dts b/arch/loongarch/boot/dts/loongson-2k1000-ref.dts index ed4d324340411..aaf41b565805a 100644 --- a/arch/loongarch/boot/dts/loongson-2k1000-ref.dts +++ b/arch/loongarch/boot/dts/loongson-2k1000-ref.dts @@ -43,7 +43,7 @@ linux,cma { &gmac0 { status = "okay"; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; phy-handle = <&phy0>; mdio { compatible = "snps,dwmac-mdio"; @@ -58,7 +58,7 @@ phy0: ethernet-phy@0 { &gmac1 { status = "okay"; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; phy-handle = <&phy1>; mdio { compatible = "snps,dwmac-mdio"; diff --git a/arch/loongarch/boot/dts/loongson-2k2000-ref.dts b/arch/loongarch/boot/dts/loongson-2k2000-ref.dts index 74b99bd234cc3..ea9e6985d0e9f 100644 --- a/arch/loongarch/boot/dts/loongson-2k2000-ref.dts +++ b/arch/loongarch/boot/dts/loongson-2k2000-ref.dts @@ -92,7 +92,7 @@ phy1: ethernet-phy@1 { &gmac2 { status = "okay"; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; phy-handle = <&phy2>; mdio { compatible = "snps,dwmac-mdio"; -- 2.43.0