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| author | Andre Przywara <andre.przywara@arm.com> | 2017-01-10 01:22:31 +0000 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2017-01-30 11:37:38 +0100 |
| commit | ebe3ae29c6314217edf40d9ee23c36d610ff0fb8 (patch) | |
| tree | 5e7ffa2f6fecacdce9ebbfea37b9f3022ce037b0 /arch/arm64 | |
| parent | 22be992faea70b95bcb48e2d5efa41733fcfeab7 (diff) | |
| download | linux-ebe3ae29c6314217edf40d9ee23c36d610ff0fb8.tar.gz linux-ebe3ae29c6314217edf40d9ee23c36d610ff0fb8.tar.xz | |
arm64: allwinner: pine64: add MMC support
All Pine64 boards connect an micro-SD card slot to the first MMC
controller.
Enable the respective DT node and specify the (always-on) regulator
and card-detect pin.
As a micro-SD slot does not feature a write-protect switch, we disable
this feature.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts index cf9105179bcb..c680ed385da3 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts @@ -44,6 +44,8 @@ #include "sun50i-a64.dtsi" +#include <dt-bindings/gpio/gpio.h> + / { model = "Pine64"; compatible = "pine64,pine64", "allwinner,sun50i-a64"; @@ -55,6 +57,13 @@ chosen { stdout-path = "serial0:115200n8"; }; + + reg_vcc3v3: vcc3v3 { + compatible = "regulator-fixed"; + regulator-name = "vcc3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; }; &ehci1 { @@ -71,6 +80,17 @@ bias-pull-up; }; +&mmc0 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc0_pins>; + vmmc-supply = <®_vcc3v3>; + cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; + cd-inverted; + disable-wp; + bus-width = <4>; + status = "okay"; +}; + &ohci1 { status = "okay"; }; |