linux-kernel - [PATCH v2 1/2] riscv: dts: starfive: jh7110-common: increase mmc0 max-frequency

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Message-Id: <20250222-fml13v01_emmc_speed-v2-1-3ffc5b1f5663@hotmail.com>
Date: Sat, 22 Feb 2025 14:34:15 +0100
From: Maud Spierings via B4 Relay <devnull+maud_spierings.hotmail.com@...nel.org>
To: Conor Dooley <conor@...nel.org>, Emil Renner Berthing <kernel@...il.dk>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Paul Walmsley <paul.walmsley@...ive.com>, 
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
 Alexandre Ghiti <alex@...ti.fr>
Cc: linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Maud Spierings <maud_spierings@...mail.com>
Subject: [PATCH v2 1/2] riscv: dts: starfive: jh7110-common: increase mmc0
 max-frequency

From: Maud Spierings <maud_spierings@...mail.com>

This sdio interface is capable of more than 100 MHz as already indicated
by the cap_hs200-1_8v attribute. Increase the max-frequency to 200 MHz
so users of this dtsi can increase their SDIO bus speed.

Signed-off-by: Maud Spierings <maud_spierings@...mail.com>
---
 arch/riscv/boot/dts/starfive/jh7110-common.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
index dd2eefc295e5c8b568a02104ec2189e66b378904..19ca8dc24617c2ad565a4a9b2d9af9bd9491f22e 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
@@ -258,7 +258,7 @@ &i2c6 {
 };
 
 &mmc0 {
-	max-frequency = <100000000>;
+	max-frequency = <200000000>;
 	assigned-clocks = <&syscrg JH7110_SYSCLK_SDIO0_SDCARD>;
 	assigned-clock-rates = <50000000>;
 	bus-width = <8>;

-- 
2.48.1