[PATCH v2 6/6] arm64: allwinner: a64: Increase the MMC max frequency
From: Maxime Ripard
Date: Mon Jan 09 2017 - 11:49:04 EST
All the controllers can have a maximum frequency of 200MHz.
Since older SoCs cannot go that high, we cannot change the default maximum
frequency, but fortunately for us we have a property for that in the DT.
This also has the side effect of allowing to use the MMC HS200 mode for the
boards that support it (with either 1.2v or 1.8v IOs).
Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 3 +++
1 file changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 8e149498e096..f46ae965cf5b 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -332,6 +332,7 @@
resets = <&ccu RST_BUS_MMC0>;
reset-names = "ahb";
interrupts = <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>;
+ max-frequency = <200000000>;
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
@@ -345,6 +346,7 @@
resets = <&ccu RST_BUS_MMC1>;
reset-names = "ahb";
interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
+ max-frequency = <200000000>;
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
@@ -358,6 +360,7 @@
resets = <&ccu RST_BUS_MMC2>;
reset-names = "ahb";
interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
+ max-frequency = <200000000>;
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
--
git-series 0.8.11