MIPS: Ingenic: Refresh device tree for Ingenic SoCs and boards.

1.Add SSI nodes for X1000 SoC and X1830 SoC from Ingenic.
2.Refresh SSI related nodes in CU1000-Neo and CU1830-Neo.
3.The X1830 SoC used by the CU1830-Neo and the X1000 SoC
  used by the CU1000-Neo are both single-core processors,
  therefore the "OST_CLK_PERCPU_TIMER" ABI should not be
  used in the OST nodes of the CU1830-Neo and CU1000-Neo,
  it is just a coincidence that there is no problem now.
  So replace the misused "OST_CLK_PERCPU_TIMER" ABI with
  the correct "OST_CLK_EVENT_TIMER" ABI.
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

arch/mips/boot/dts/ingenic/cu1000-neo.dts

@@ -31,42 +31,6 @@ led-0 {
 		};
 	};
 
-	ssi: spi-gpio {
-		compatible = "spi-gpio";
-		#address-cells = <1>;
-		#size-cells = <0>;
-		num-chipselects = <1>;
-
-		mosi-gpios = <&gpd 2 GPIO_ACTIVE_HIGH>;
-		miso-gpios = <&gpd 3 GPIO_ACTIVE_HIGH>;
-		sck-gpios = <&gpd 0 GPIO_ACTIVE_HIGH>;
-		cs-gpios = <&gpd 1 GPIO_ACTIVE_HIGH>;
-
-		status = "okay";
-
-		spi-max-frequency = <50000000>;
-
-		sc16is752: expander@0 {
-			compatible = "nxp,sc16is752";
-			reg = <0>; /* CE0 */
-			spi-max-frequency = <4000000>;
-
-			clocks = <&exclk_sc16is752>;
-
-			interrupt-parent = <&gpc>;
-			interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
-
-			gpio-controller;
-			#gpio-cells = <2>;
-
-			exclk_sc16is752: sc16is752 {
-				compatible = "fixed-clock";
-				#clock-cells = <0>;
-				clock-frequency = <48000000>;
-			};
-		};
-	};
-
 	wlan_pwrseq: msc1-pwrseq {
 		compatible = "mmc-pwrseq-simple";
 
@@ -90,7 +54,7 @@ &cgu {
 
 &ost {
 	/* 1500 kHz for the system timer and clocksource */
-	assigned-clocks = <&ost OST_CLK_PERCPU_TIMER>, <&ost OST_CLK_GLOBAL_TIMER>;
+	assigned-clocks = <&ost OST_CLK_EVENT_TIMER>, <&ost OST_CLK_GLOBAL_TIMER>;
 	assigned-clock-rates = <1500000>, <1500000>;
 };
 
@@ -101,6 +65,39 @@ &uart2 {
 	pinctrl-0 = <&pins_uart2>;
 };
 
+&ssi {
+	status = "okay";
+
+	num-cs = <2>;
+	cs-gpios = <0>, <&gpc 20 GPIO_ACTIVE_LOW>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pins_ssi>;
+
+	sc16is752: expander@0 {
+		compatible = "nxp,sc16is752";
+		reg = <0>; /* CE0 */
+
+		spi-rx-bus-width = <1>;
+		spi-tx-bus-width = <1>;
+		spi-max-frequency = <4000000>;
+
+		clocks = <&exclk_sc16is752>;
+
+		interrupt-parent = <&gpc>;
+		interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		exclk_sc16is752: sc16is752 {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <48000000>;
+		};
+	};
+};
+
 &i2c0 {
 	status = "okay";
 
@@ -192,6 +189,12 @@ pins_uart2: uart2 {
 		bias-pull-up;
 	};
 
+	pins_ssi: ssi {
+		function = "ssi";
+		groups = "ssi-dt-d", "ssi-dr-d", "ssi-clk-d", "ssi-ce0-d";
+		bias-disable;
+	};
+
 	pins_i2c0: i2c0 {
 		function = "i2c0";
 		groups = "i2c0-data";

arch/mips/boot/dts/ingenic/cu1830-neo.dts

@@ -31,42 +31,6 @@ led-0 {
 		};
 	};
 
-	ssi0: spi-gpio {
-		compatible = "spi-gpio";
-		#address-cells = <1>;
-		#size-cells = <0>;
-		num-chipselects = <1>;
-
-		mosi-gpios = <&gpc 12 GPIO_ACTIVE_HIGH>;
-		miso-gpios = <&gpc 11 GPIO_ACTIVE_HIGH>;
-		sck-gpios = <&gpc 15 GPIO_ACTIVE_HIGH>;
-		cs-gpios = <&gpc 16 GPIO_ACTIVE_HIGH>;
-
-		status = "okay";
-
-		spi-max-frequency = <50000000>;
-
-		sc16is752: expander@0 {
-			compatible = "nxp,sc16is752";
-			reg = <0>; /* CE0 */
-			spi-max-frequency = <4000000>;
-
-			clocks = <&exclk_sc16is752>;
-
-			interrupt-parent = <&gpb>;
-			interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
-
-			gpio-controller;
-			#gpio-cells = <2>;
-
-			exclk_sc16is752: sc16is752 {
-				compatible = "fixed-clock";
-				#clock-cells = <0>;
-				clock-frequency = <48000000>;
-			};
-		};
-	};
-
 	wlan_pwrseq: msc1-pwrseq {
 		compatible = "mmc-pwrseq-simple";
 
@@ -90,7 +54,7 @@ &cgu {
 
 &ost {
 	/* 1500 kHz for the system timer and clocksource */
-	assigned-clocks = <&ost OST_CLK_PERCPU_TIMER>, <&ost OST_CLK_GLOBAL_TIMER>;
+	assigned-clocks = <&ost OST_CLK_EVENT_TIMER>, <&ost OST_CLK_GLOBAL_TIMER>;
 	assigned-clock-rates = <1500000>, <1500000>;
 };
 
@@ -101,6 +65,38 @@ &uart1 {
 	pinctrl-0 = <&pins_uart1>;
 };
 
+&ssi0 {
+	status = "okay";
+
+	num-cs = <2>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pins_ssi0>;
+
+	sc16is752: expander@0 {
+		compatible = "nxp,sc16is752";
+		reg = <0>; /* CE0 */
+
+		spi-rx-bus-width = <1>;
+		spi-tx-bus-width = <1>;
+		spi-max-frequency = <4000000>;
+
+		clocks = <&exclk_sc16is752>;
+
+		interrupt-parent = <&gpb>;
+		interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		exclk_sc16is752: sc16is752 {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <48000000>;
+		};
+	};
+};
+
 &i2c0 {
 	status = "okay";
 
@@ -196,6 +192,12 @@ pins_uart1: uart1 {
 		bias-pull-up;
 	};
 
+	pins_ssi0: ssi0 {
+		function = "ssi0";
+		groups = "ssi0-dt", "ssi0-dr", "ssi0-clk", "ssi0-ce0", "ssi0-ce1";
+		bias-disable;
+	};
+
 	pins_i2c0: i2c0 {
 		function = "i2c0";
 		groups = "i2c0-data";

arch/mips/boot/dts/ingenic/x1000.dtsi

@@ -258,6 +258,25 @@ uart2: serial@10032000 {
 		status = "disabled";
 	};
 
+	ssi: spi@10043000 {
+		compatible = "ingenic,x1000-spi";
+		reg = <0x10043000 0x20>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <8>;
+
+		clocks = <&cgu X1000_CLK_SSI>;
+		clock-names = "spi";
+
+		dmas = <&pdma X1000_DMA_SSI0_RX 0xffffffff>,
+			   <&pdma X1000_DMA_SSI0_TX 0xffffffff>;
+		dma-names = "rx", "tx";
+
+		status = "disabled";
+	};
+
 	i2c0: i2c-controller@10050000 {
 		compatible = "ingenic,x1000-i2c";
 		reg = <0x10050000 0x1000>;
@@ -303,6 +322,7 @@ i2c2: i2c-controller@10052000 {
 	pdma: dma-controller@13420000 {
 		compatible = "ingenic,x1000-dma";
 		reg = <0x13420000 0x400>, <0x13421000 0x40>;
+
 		#dma-cells = <2>;
 
 		interrupt-parent = <&intc>;

arch/mips/boot/dts/ingenic/x1830.dtsi

@@ -240,6 +240,44 @@ uart1: serial@10031000 {
 		status = "disabled";
 	};
 
+	ssi0: spi@10043000 {
+		compatible = "ingenic,x1830-spi", "ingenic,x1000-spi";
+		reg = <0x10043000 0x20>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <9>;
+
+		clocks = <&cgu X1830_CLK_SSI0>;
+		clock-names = "spi";
+
+		dmas = <&pdma X1830_DMA_SSI0_RX 0xffffffff>,
+			   <&pdma X1830_DMA_SSI0_TX 0xffffffff>;
+		dma-names = "rx", "tx";
+
+		status = "disabled";
+	};
+
+	ssi1: spi@10044000 {
+		compatible = "ingenic,x1830-spi", "ingenic,x1000-spi";
+		reg = <0x10044000 0x20>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <8>;
+
+		clocks = <&cgu X1830_CLK_SSI1>;
+		clock-names = "spi";
+
+		dmas = <&pdma X1830_DMA_SSI1_RX 0xffffffff>,
+			   <&pdma X1830_DMA_SSI1_TX 0xffffffff>;
+		dma-names = "rx", "tx";
+
+		status = "disabled";
+	};
+
 	i2c0: i2c-controller@10050000 {
 		compatible = "ingenic,x1830-i2c", "ingenic,x1000-i2c";
 		reg = <0x10050000 0x1000>;
@@ -294,6 +332,7 @@ dtrng: trng@10072000 {
 	pdma: dma-controller@13420000 {
 		compatible = "ingenic,x1830-dma";
 		reg = <0x13420000 0x400>, <0x13421000 0x40>;
+
 		#dma-cells = <2>;
 
 		interrupt-parent = <&intc>;