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ARM: dts: ast2600-evb: eMMC configuration

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Enable the eMMC controller and limit it to 52MHz to avoid the host
controller reporting bus error conditions.

Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
This commit is contained in:
Andrew Jeffery 2019-08-27 16:30:55 +09:30 committed by Joel Stanley
parent 54ecb8f702
commit 311b57f051
2 changed files with 9 additions and 3 deletions
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8
arch/arm/boot/dts/aspeed-ast2600-evb.dts
View file

@ -71,10 +71,16 @@
phy-handle = <&ethphy3>;
};
&emmc {
&emmc_controller {
status = "okay";
};
&emmc {
non-removable;
bus-width = <4>;
max-frequency = <52000000>;
};
&rtc {
status = "okay";
};

4
arch/arm/boot/dts/aspeed-g6.dtsi
View file

@ -235,7 +235,7 @@
};
};
emmc: sdc@1e750000 {
emmc_controller: sdc@1e750000 {
compatible = "aspeed,ast2600-sd-controller";
reg = <0x1e750000 0x100>;
#address-cells = <1>;
@ -244,7 +244,7 @@
clocks = <&syscon ASPEED_CLK_GATE_EMMCCLK>;
status = "disabled";
sdhci@1e750100 {
emmc: sdhci@1e750100 {
compatible = "aspeed,ast2600-sdhci";
reg = <0x100 0x100>;
sdhci,auto-cmd12;