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ARM: dts: meson8b: ec100: enable the SDHC controller

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EC-100 has built-in eMMC flash which is hard-wired to 3.3V VCC (which
means it's limited to high-speed MMC modes). Enable the SDHC controller
to access the contents of the eMMC flash.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20200620163654.37207-3-martin.blumenstingl@googlemail.com
This commit is contained in:
Martin Blumenstingl
2020-06-20 18:36:53 +02:00
committed by Kevin Hilman
parent 73106f75bf
commit 73501b890a
1 changed files with 25 additions and 0 deletions
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25
arch/arm/boot/dts/meson8b-ec100.dts
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@@ -27,6 +27,11 @@
reg = <0x40000000 0x40000000>;
};
emmc_pwrseq: emmc-pwrseq {
compatible = "mmc-pwrseq-emmc";
reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
};
gpio-keys {
compatible = "gpio-keys-polled";
#address-cells = <1>;
@@ -299,6 +304,26 @@
vref-supply = <&vcc_1v8>;
};
&sdhc {
status = "okay";
pinctrl-0 = <&sdxc_c_pins>;
pinctrl-names = "default";
bus-width = <8>;
max-frequency = <50000000>;
cap-mmc-highspeed;
disable-wp;
non-removable;
no-sdio;
mmc-pwrseq = <&emmc_pwrseq>;
vmmc-supply = <&vcc_3v3>;
vqmmc-supply = <&vcc_3v3>;
};
&sdio {
status = "okay";