From d8f10550448b03d3c5c6d9392119205c65ebfc89 Mon Sep 17 00:00:00 2001 From: Andre Przywara Date: Mon, 5 May 2025 21:24:16 +0100 Subject: [PATCH] arm64: dts: allwinner: a100: set maximum MMC frequency The manual for the Allwinner A133 SoC mentions that the maximum supported MMC frequency is 150 MHz, for all of the MMC devices. Describe that in the DT entry, to help drivers setting the right interface frequency. Fixes: fcfbb8d9ec58 ("arm64: allwinner: a100: Add MMC related nodes") Signed-off-by: Andre Przywara Link: https://patch.msgid.link/20250505202416.23753-1-andre.przywara@arm.com Signed-off-by: Chen-Yu Tsai --- arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi index f9f6fea03b744..bd366389b2389 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi @@ -252,6 +252,7 @@ interrupts = ; pinctrl-names = "default"; pinctrl-0 = <&mmc0_pins>; + max-frequency = <150000000>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -267,6 +268,7 @@ interrupts = ; pinctrl-names = "default"; pinctrl-0 = <&mmc1_pins>; + max-frequency = <150000000>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -282,6 +284,7 @@ interrupts = ; pinctrl-names = "default"; pinctrl-0 = <&mmc2_pins>; + max-frequency = <150000000>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; -- 2.39.5