From nobody Tue Feb 10 05:41:57 2026 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 DB78A7DA93; Sat, 22 Feb 2025 13:34:24 +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=1740231265; cv=none; b=reCaMeA6pOxj2DcPhpzKSo42YGxtnRUP/X6oSxPe5Qs6HuxYimfh8IYUBQJ+TRaU9YDPmqtnewsFp1BxcVtR5gs2bx3SHHsIv8EcqZZeC+wzdrJaU5WCi62N9T0wBjIGC3p6JDeiVz5fSa+ctIy6fKq4/AinPwWjtRiAgP/9ub8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740231265; c=relaxed/simple; bh=lsXh6HepfnMc+Q/WXCkVqPl5KJ3TC9cVI9pNgzO5tzA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=hWOP7wc6O5E/fkEQeOI4HnfNwbn/DYRYNo7E9tgfIWAlWQgPpcLJjdqVVfajoBhha/HNuVHYYCT8Xrw5PCyiuDjemIhE0Pvfwlx5xHchwwhHm7qzxKr394Z45F4CHmhVS4ACKZxCbiA/99oelmm+WnO9EDQSNiW41VsmXT0X4Sg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=sn/XfAF1; 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="sn/XfAF1" Received: by smtp.kernel.org (Postfix) with ESMTPS id 57328C4CEE7; Sat, 22 Feb 2025 13:34:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740231264; bh=lsXh6HepfnMc+Q/WXCkVqPl5KJ3TC9cVI9pNgzO5tzA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=sn/XfAF1WWc6JLdoK1USOIIi2YFxmwVcR0+Af3DRone6dZk/0V4bBx8zRMRQpsMks 41CGA2uhlgg8XGLAVSx7Lw8JDgPSuZlo90lCvqJ5SK4l+mrzqQ07KMdm5HvD15Q8Lx aBV3Ybrlv7Yh9Stuad9/6j+2w1uT2AVWSyq1vpFQ4Svfpc4nGpVAnXzo6OxAoHns11 Jth+F6L9S/pKapR+INq9iVIWa2u6LqbelCKUtxp8ONzXxvLmJeWs+jpD5xT26699PQ P+5bYt4DPtsaPIOvkzWQ7Ic0Aov/HuNmyONWL0bjyY0imVnweyNL8whkeOs+QHRg4p L/UJNRqhU27lg== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49CDAC021B8; Sat, 22 Feb 2025 13:34:24 +0000 (UTC) From: Maud Spierings via B4 Relay Date: Sat, 22 Feb 2025 14:34:16 +0100 Subject: [PATCH v2 2/2] riscv: dts: starfive: fml13v01: increase eMMC bus speed Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250222-fml13v01_emmc_speed-v2-2-3ffc5b1f5663@hotmail.com> References: <20250222-fml13v01_emmc_speed-v2-0-3ffc5b1f5663@hotmail.com> In-Reply-To: <20250222-fml13v01_emmc_speed-v2-0-3ffc5b1f5663@hotmail.com> To: Conor Dooley , Emil Renner Berthing , Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Maud Spierings X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1740231263; l=1059; i=maud_spierings@hotmail.com; s=20250222; h=from:subject:message-id; bh=6oKEZmpEgAskDT6drBgPswULe7sk6pmiFucVopPkPkQ=; b=HISq9mxkhULqrOz8w55mew/rcWCHUqglVyJ7IgxAcKmWD/2YQN766hisLl/aobRLIwGdeNfp3 sjHDAQxsHuyAQDKnhr3zIIoSHBveLa/iQIAvP6iCeHcVt98HumFzn2c X-Developer-Key: i=maud_spierings@hotmail.com; a=ed25519; pk=Z2m97WkDS9Sm3JnKpIpH4JwQtLm2Yw8oFCNw6uMBqb8= X-Endpoint-Received: by B4 Relay for maud_spierings@hotmail.com/20250222 with auth_id=346 X-Original-From: Maud Spierings Reply-To: maud_spierings@hotmail.com From: Maud Spierings The assigned clock speed of 50 MHz is limitting this interface which is SDIO 5.0 capable. Sadly at 200MHz it fails to mount an eMMC drive, 150MHz (really 132 MHz) is the highest it was able to get. This improves the seq read/write performance by 2x~ Signed-off-by: Maud Spierings --- arch/riscv/boot/dts/starfive/jh7110-deepcomputing-fml13v01.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/riscv/boot/dts/starfive/jh7110-deepcomputing-fml13v01.dts= b/arch/riscv/boot/dts/starfive/jh7110-deepcomputing-fml13v01.dts index 8d9ce8b69a71be78ca57618ae842c9f415648450..63b539bedd63d39dbe2096f85aa= f70ba6ab64d29 100644 --- a/arch/riscv/boot/dts/starfive/jh7110-deepcomputing-fml13v01.dts +++ b/arch/riscv/boot/dts/starfive/jh7110-deepcomputing-fml13v01.dts @@ -11,6 +11,10 @@ / { compatible =3D "deepcomputing,fml13v01", "starfive,jh7110"; }; =20 +&mmc0 { + assigned-clock-rates =3D <150000000>; +}; + &pcie1 { perst-gpios =3D <&sysgpio 21 GPIO_ACTIVE_LOW>; phys =3D <&pciephy1>; --=20 2.48.1