From 7908251e24a54b6aa35b18e8e0c8302012fb2e38 Mon Sep 17 00:00:00 2001
From: brian <brian@vamrs.com>
Date: Thu, 21 Mar 2019 09:51:00 +0800
Subject: [PATCH 41/97] arm64: overlays: add spi2 dev for rockpi4

---
 .../arm64/boot/dts/rockchip/overlays/Makefile |  3 ++-
 .../dts/rockchip/overlays/devspi2-overlay.dts | 25 +++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/devspi2-overlay.dts

diff --git a/arch/arm64/boot/dts/rockchip/overlays/Makefile b/arch/arm64/boot/dts/rockchip/overlays/Makefile
index 50115840f972..24c75f813ebb 100644
--- a/arch/arm64/boot/dts/rockchip/overlays/Makefile
+++ b/arch/arm64/boot/dts/rockchip/overlays/Makefile
@@ -5,7 +5,8 @@ dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
 	console-on-ttyS2.dtbo \
 	two-color-led.dtbo \
 	at24c02.dtbo \
-	devspi.dtbo
+	devspi.dtbo \
+	devspi2.dtbo
 
 targets += dtbs dtbs_install
 targets += $(dtbo-y)
diff --git a/arch/arm64/boot/dts/rockchip/overlays/devspi2-overlay.dts b/arch/arm64/boot/dts/rockchip/overlays/devspi2-overlay.dts
new file mode 100644
index 000000000000..29b00b53b5c9
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/devspi2-overlay.dts
@@ -0,0 +1,25 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	model = "ROCK PI 4B";
+	compatible = "rockchip,rockpi","rockchip,rk3399";
+
+	fragment@0 {
+		target = <&spi2>;
+
+		__overlay__ {
+			max-freq = <50000000>;
+			dmas = <&dmac_peri 12>, <&dmac_peri 13>;
+			dma-names = "tx","rx";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			devspi@0 {
+				status = "okay";
+				reg = <0>;
+				compatible ="rockchip,spidev";
+				spi-max-frequency = <50000000>;
+			};
+		};
+	};
+};
-- 
2.25.1