rockchip: rk3399: Add Nanopi M4 2GB board support
commit b2f5da9dd068 ("rockchip: rk3399: Add Nanopi M4 board support") added
support for Nanopi M4 board with Dual-Channel 4GB LPDDR3-1866 RAM.
This patch adds another variant of NanoPi M4 board with Dual-Channel
2GB DDR3-1866 RAM.
Signed-off-by: Deepak Das <deepakdas.linux@gmail.com>
diff --git a/arch/arm/dts/rk3399-nanopi-m4-2gb.dts b/arch/arm/dts/rk3399-nanopi-m4-2gb.dts
new file mode 100644
index 0000000..60358ab
--- /dev/null
+++ b/arch/arm/dts/rk3399-nanopi-m4-2gb.dts
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * FriendlyElec NanoPi M4 board device tree source
+ *
+ * Copyright (c) 2018 FriendlyElec Computer Tech. Co., Ltd.
+ * (http://www.friendlyarm.com)
+ *
+ * Copyright (c) 2018 Collabora Ltd.
+ * Copyright (c) 2019 Arm Ltd.
+ */
+
+/dts-v1/;
+#include "rk3399-nanopi4.dtsi"
+
+/ {
+ model = "FriendlyElec NanoPi M4";
+ compatible = "friendlyarm,nanopi-m4", "rockchip,rk3399";
+
+ vdd_5v: vdd-5v {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_5v";
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vcc5v0_core: vcc5v0-core {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc5v0_core";
+ regulator-always-on;
+ regulator-boot-on;
+ vin-supply = <&vdd_5v>;
+ };
+
+ vcc5v0_usb1: vcc5v0-usb1 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc5v0_usb1";
+ regulator-always-on;
+ regulator-boot-on;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ vcc5v0_usb2: vcc5v0-usb2 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc5v0_usb2";
+ regulator-always-on;
+ regulator-boot-on;
+ vin-supply = <&vcc5v0_sys>;
+ };
+};
+
+&vcc3v3_sys {
+ vin-supply = <&vcc5v0_core>;
+};
+
+&u2phy0_host {
+ phy-supply = <&vcc5v0_usb1>;
+};
+
+&u2phy1_host {
+ phy-supply = <&vcc5v0_usb2>;
+};
+
+&vbus_typec {
+ regulator-always-on;
+ vin-supply = <&vdd_5v>;
+};