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arm64: dts: allwinner: a100: set maximum MMC frequency

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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: fcfbb8d9ec ("arm64: allwinner: a100: Add MMC related nodes")
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Link: https://patch.msgid.link/20250505202416.23753-1-andre.przywara@arm.com
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
This commit is contained in:
Andre Przywara 2025-05-05 21:24:16 +01:00 committed by Chen-Yu Tsai
parent c6800f1599
commit d8f1055044
1 changed files with 3 additions and 0 deletions
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3
arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
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@ -252,6 +252,7 @@ mmc0: mmc@4020000 {
interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&mmc0_pins>;
max-frequency = <150000000>;
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
@ -267,6 +268,7 @@ mmc1: mmc@4021000 {
interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&mmc1_pins>;
max-frequency = <150000000>;
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
@ -282,6 +284,7 @@ mmc2: mmc@4022000 {
interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&mmc2_pins>;
max-frequency = <150000000>;
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;