[PATCH v3 11/13] arm64: allwinner: pine64: add MMC support
From: Maxime Ripard <hidden>
Date: 2017-01-16 16:57:18
Also in:
linux-devicetree, linux-mmc, lkml
Subsystem:
arm/allwinner sunxi soc support, the rest · Maintainers:
Chen-Yu Tsai, Jernej Skrabec, Samuel Holland, Linus Torvalds
From: Andre Przywara <andre.przywara@arm.com> 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 <redacted> --- arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts | 20 ++++++++++++++- 1 file 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"; };
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git-series 0.8.11