board: mediatek: add Bananapi-R3 devicetree
Add board specific devicetree for Bananapi R3 SBC.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
diff --git a/arch/arm/dts/mt7986a-bpi-r3-emmc.dts b/arch/arm/dts/mt7986a-bpi-r3-emmc.dts
new file mode 100644
index 0000000..4e2e526
--- /dev/null
+++ b/arch/arm/dts/mt7986a-bpi-r3-emmc.dts
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2021 MediaTek Inc.
+ * Author: Sam Shih <sam.shih@mediatek.com>
+ */
+
+/dts-v1/;
+#include "mt7986a-bpi-r3-sd.dts"
+#include <dt-bindings/gpio/gpio.h>
+/ {
+ reg_1p8v: regulator-1p8v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-1.8V";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+};
+
+&mmc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc0_pins_default>;
+ bus-width = <8>;
+ max-frequency = <200000000>;
+ cap-mmc-highspeed;
+ cap-mmc-hw-reset;
+ vmmc-supply = <®_3p3v>;
+ vqmmc-supply = <®_1p8v>;
+ non-removable;
+ status = "okay";
+};