ODROID-M2: dtb/dtbo: Add SPI1 support

- MOSI: GPIO3 C7 (35 - 40 pin header)
- MISO: GPIO3 C6 (13 - 14 pin header)
- SCLK: GPIO3 D0 (33 - 40 pin header)
- CS0 : GPIO3 C4 (11 - 14 pin header)

- add aliase spi3 -> spi1
             spi1 -> spi3
- add spi device

Signed-off-by: YoungSoo Shin <shinys000114@gmail.com>
Change-Id: I79bbe089102ef9bd11891dd57eb9bfcde56c5d5e

arch/arm64/boot/dts/rockchip/overlays/odroidm2/Makefile

@@ -23,6 +23,7 @@ dtbo-y += \
 	spdif_p29.dtbo \
 	spdif_p32.dtbo \
 	spi0.dtbo \
+	spi1.dtbo \
 	ttyfiq0_115200.dtbo \
 	uart0.dtbo \
 	uart1-with-ctsrts.dtbo \

arch/arm64/boot/dts/rockchip/overlays/odroidm2/spi1.dts

@@ -0,0 +1,22 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target = <&spi3>;
+
+		__overlay__ {
+			status = "okay";
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			spidev: spidev@0 {
+				status = "okay";
+				compatible = "rockchip,spidev";
+				reg = <0>;
+				/* spi default max clock 100Mhz */
+				spi-max-frequency = <100000000>;
+			};
+		};
+	};
+};

arch/arm64/boot/dts/rockchip/rk3588s-odroid-m2.dtsi

@@ -23,6 +23,8 @@
 		serial7 = &uart2;
 		serial8 = &uart0;
 		serial9 = &uart3;
+		spi1 = &spi3;
+		spi3 = &spi1;
 		i2c0 = &i2c5;
 		i2c1 = &i2c6;
 		i2c2 = &i2c1;
@@ -1004,6 +1006,13 @@
 	status = "disabled";
 };
 
+&spi3 {
+	pinctrl-0 = <&spi3m3_pins>;
+	num-cs = <1>;
+	cs-gpios = <&gpio3 RK_PC4 GPIO_ACTIVE_LOW>;
+	status = "disabled";
+};
+
 &uart1 {
 	dma-names = "tx", "rx";
 	status = "disabled";