[PATCH 4/4] arm64: allwinner: A100: add support for Allwinner Perf1 board

[Frank Lee]

A100 perf1 is an Allwinner A100-based SBC, with the following features:

- 1GiB DDR3 DRAM
- AXP803 PMIC
- 2 USB 2.0 ports
- MicroSD slot and on-board eMMC module
- on-board Nand flash
- ÂÂÂ

Adds initial support for it, including the UART.

Signed-off-by: Frank Lee <frank@xxxxxxxxxxxxxxxxx>
---
 arch/arm64/boot/dts/allwinner/Makefile        |  1 +
 .../allwinner/sun50i-a100-allwinner-perf1.dts | 27 +++++++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts

diff --git a/arch/arm64/boot/dts/allwinner/Makefile b/arch/arm64/boot/dts/allwinner/Makefile
index e4d3cd0ac5bb..ab780dbdd17b 100644
--- a/arch/arm64/boot/dts/allwinner/Makefile
+++ b/arch/arm64/boot/dts/allwinner/Makefile
@@ -14,6 +14,7 @@ dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinephone-1.1.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-pinetab.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-sopine-baseboard.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a64-teres-i.dtb
+dtb-$(CONFIG_ARCH_SUNXI) += sun50i-a100-allwinner-perf1.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-bananapi-m2-plus.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-bananapi-m2-plus-v1.2.dtb
 dtb-$(CONFIG_ARCH_SUNXI) += sun50i-h5-emlid-neutis-n5-devboard.dtb
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts b/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
new file mode 100644
index 000000000000..32c9986920ed
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a100-allwinner-perf1.dts
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: (GPL-2.0+ or MIT)
+/*
+ * Copyright (c) 2020 Frank Lee <frank@xxxxxxxxxxxxx>
+ */
+
+/dts-v1/;
+
+#include "sun50i-a100.dtsi"
+
+/{
+	model = "A100 perf1";
+	compatible = "allwinner,a100-perf1", "allwinner,sun50i-a100";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pb_pins>;
+	status = "okay";
+};
-- 
2.24.0