update to 5625657ca598

1. lio: fix read16 use 8bit-mode
2. 2K300-PAI:add ls2k300_pai_pihat.dts and ls2k300_pai_2.dts
3. 2K300:Correct pinmux config for uart
4. 2K300:Fix Qt program is not displaying fully
5. 2K300:Canfd up to 10Mpbs
6. 2P500:EMMC use letacy interrupt controller

arch/loongarch/boot/dts/loongson/loongson2k300.dtsi

@@ -106,7 +106,7 @@
 		};
 
 		uart5_pins: pinmux_G64_G65_as_uart5 {
-			pinctrl-single,bits = <0x10 0x000000a 0x0000000f>;
+			pinctrl-single,bits = <0x10 0x0000000a 0x0000000f>;
 		};
 
 		uart6_pins: pinmux_G60_G61_as_uart6 {
@@ -114,15 +114,15 @@
 		};
 
 		uart7_pins: pinmux_G68_G69_as_uart7 {
-			pinctrl-single,bits = <0x10 0xf0000a00 0x00000f00>;
+			pinctrl-single,bits = <0x10 0x00000a00 0x00000f00>;
 		};
 
 		uart8_pins: pinmux_G70_G71_as_uart8 {
-			pinctrl-single,bits = <0x8 0x0f00a000 0x0f00f000>;
+			pinctrl-single,bits = <0x10 0x0000a000 0x0000f000>;
 		};
 
 		uart9_pins: pinmux_G66_G67_as_uart9 {
-			pinctrl-single,bits = <0x10 0x000000a0 0xf00000f0>;
+			pinctrl-single,bits = <0x10 0x000000a0 0x000000f0>;
 		};
 
 		gmac1_pins: pinmux_G44_G55_as_gmac1 {

arch/loongarch/boot/dts/loongson/loongson2p500.dtsi

@@ -278,10 +278,10 @@
 			pinctrl-single,bits = <0x4 0x80000000 0xc0000000>;
 		};
 		prt_pwm14_pins:pinmux_prt_pwm14_pins {
-			pinctrl-single,bits = <0x8 0x00000020 0x0000030>;
+			pinctrl-single,bits = <0x8 0x00000002 0x0000003>;
 		};
 		prt_pwm15_pins:pinmux_prt_pwm15_pins {
-			pinctrl-single,bits = <0x8 0x00000080 0x00000c0>;
+			pinctrl-single,bits = <0x8 0x00000008 0x000000c>;
 		};
 
 	};
@@ -467,12 +467,12 @@
 		/*emmc*/
 		emmc0: mmc0@0x14210000 {
 			#address-cells = <2>;
-			compatible = "loongson,ls2k_sdio_1.1";
+			compatible = "loongson,ls2k_sdio_1.2";
 			reg = <0 0x14210000 0 0x1000>;
-			//interrupt-parent = <&icu>;
-			//interrupts = <13>;
-			interrupt-parent = <&extioiic>;
-			interrupts = <8>;
+			interrupt-parent = <&icu>;
+			interrupts = <13>;
+			//interrupt-parent = <&extioiic>;
+			//interrupts = <8>;
 			interrupt-names = "ls2k_mci_irq";
 			dma-mask = <0xffffffff 0xffffffff>;
 			clock-frequency = <0 200000000>;
@@ -489,14 +489,14 @@
 			#address-cells = <2>;
 			compatible = "loongson,ls2k_sdio_1.2";
 			reg = <0 0x14218000 0 0x1000>;
-			interrupt-parent = <&icu>;
-			interrupts = <13>;
-			//interrupt-parent = <&extioiic>;
-			//interrupts = <10>;
+			//interrupt-parent = <&icu>;
+			//interrupts = <13>;
+			interrupt-parent = <&extioiic>;
+			interrupts = <10>;
 			interrupt-names = "ls2k_sdio_irq";
 			clock-frequency = <0 200000000>;
 			dma-mask = <0xffffffff 0xffffffff>;
-			bus-width = <4>;
+			bus-width = <1>;
 			cap-sd-highspeed;
 			cap-mmc-highspeed;
 			//no-mmc;
@@ -780,6 +780,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <20>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&pwm1_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -791,6 +792,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <21>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&pwm2_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -802,6 +804,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <22>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&pwm3_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -814,6 +817,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <83>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm0_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -825,6 +829,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <83>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm1_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -836,6 +841,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <83>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm2_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -847,6 +853,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <83>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm3_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -858,6 +865,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <83>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm4_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -869,6 +877,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <83>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm5_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -880,6 +889,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <83>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm6_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -891,6 +901,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <83>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm7_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -902,6 +913,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <84>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm8_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -913,6 +925,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <84>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm9_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -924,6 +937,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <84>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm10_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -935,6 +949,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <84>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm11_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -946,6 +961,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <84>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm12_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -957,6 +973,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <84>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm13_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -968,6 +985,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <84>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm14_pins>;
 			pinctrl-names = "default";
 			status = "disable"
@@ -979,6 +997,7 @@
 			clock-frequency = <200000000>;
 			interrupt-parent = <&extioiic>;
 			interrupts = <84>;
+			#pwm-cells = <2>;
 			pinctrl-0 = <&prt_pwm15_pins>;
 			pinctrl-names = "default";
 			status = "disable"

arch/loongarch/boot/dts/loongson/loongson_panel_param.dtsi

@@ -27,8 +27,8 @@
 		};
 
 		panel-ATK-MD0430R-800x480 {
-			width-mm = <117>;
-			height-mm = <62>;
+			width-mm = <223>;
+			height-mm = <125>;
 			label = "ATK-MD0430R-800x480";
 			data-mapping = "jeida-24";
 
@@ -50,8 +50,8 @@
 		};
 
 		panel-ATK-MD0700R-1024x600 {
-			width-mm = <180>;
-			height-mm = <110>;
+			width-mm = <223>;
+			height-mm = <125>;
 			label = "ATK-MD0700R-1024x600";
 			data-mapping = "jeida-24";
 

arch/loongarch/boot/dts/loongson/ls2k300_mini_dp.dts

@@ -55,8 +55,8 @@
 			pixelclk-active = <0>;
 		};
 #else	// 7' LCD
-		width-mm = <180>;
-		height-mm = <110>;
+		width-mm = <223>;
+		height-mm = <125>;
 		label = "ATK-MD0700R-1024x600";
 		data-mapping = "jeida-24";
 

arch/loongarch/boot/dts/loongson/ls2k300_pai.dts

@@ -83,8 +83,8 @@
 			pixelclk-active = <0>;
 		};
 #else	// 7' LCD
-		width-mm = <180>;
-		height-mm = <110>;
+		width-mm = <223>;
+		height-mm = <125>;
 		label = "ATK-MD0700R-1024x600";
 		data-mapping = "jeida-24";
 
@@ -125,24 +125,12 @@
 		regulator-always-on;
 	};
 
-	humidity_sensor {
-		compatible = "dht11-sensor";
-		SHT11-gpios = <&gpio 61 GPIO_ACTIVE_HIGH>;
-		status = "okay";
-	};
-
 	// 虽然这个时钟在从模式下没用，但 es8388 驱动必须指定这个时钟
 	es8388_clk: es8388-clock {
 		compatible = "fixed-clock";
 		clock-frequency = <11289600>;
 		#clock-cells = <1>;
 	};
-
-	onewire {
-		compatible = "w1-gpio";
-		gpios = <&gpio 68 GPIO_ACTIVE_HIGH>;
-		status = "disabled";
-	};
 };
 
 &uart0 {
@@ -197,13 +185,12 @@
 	cs-gpios = <&gpio 67 0>,
 			<&gpio 85 0>;
 
-	mcp3004@0 {
-		compatible = "mcp3004";
+	spidev1@0 {
+		compatible = "rohm,dh2228fv";
 		reg = <0>;
-		spi-max-frequency = <1500000>;
+		spi-max-frequency = <25000000>;
 	};
-
-	spidev1@1 {
+	spidev2@1 {
 		compatible = "rohm,dh2228fv";
 		reg = <1>;
 		spi-max-frequency = <25000000>;
@@ -322,4 +309,12 @@
 
 &sound {
 	status = "okay";
-};
+};
+
+&pwm0 {
+	status = "okay";
+};
+
+&pwm1 {
+	status = "okay";
+};

arch/loongarch/boot/dts/loongson/ls2k300_pai_func2.dts

@@ -0,0 +1,298 @@
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pwm/pwm.h>
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+#include "loongson2k300.dtsi"
+#include "loongson_panel_param.dtsi"
+
+/ {
+	model = "LS2K300-PAI";
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+		bootargs = "earlycon";
+	};
+
+	/* not need memory node, we get memory info from boot params. */
+	//memory {
+	//	name = "memory";
+	//	device_type = "memory";
+	//	reg =  <0 0x00200000 0 0x0ee00000
+	//		0 0x90000000 0 0x10000000>;
+	//};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		linux,cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			size = <0 0x02000000>;
+			linux,cma-default;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led1 {
+			label = "led1";
+			gpios = <&gpio 54 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "heartbeat";
+			default-state = "on";
+		};
+	};
+
+	lcd_backlight: backlight {
+		compatible = "gpio-backlight";
+		gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
+		default-on;
+	};
+
+	panel: dvo-connector@0 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "panel-lvds", "auo,b101ean01";
+		backlight = <&lcd_backlight>;
+
+		/* lcd power on control gpio */
+		// enable-gpios = <&pioA 3 GPIO_ACTIVE_HIGH>;
+		// power-supply = <&vdd_lcd>;
+#if 0	// 4.3' LCD
+		width-mm = <223>;
+		height-mm = <125>;
+		label = "ATK-MD0430R-800x480";
+		data-mapping = "jeida-24";
+
+		panel-timing {
+			clock-frequency = <27000000>;
+			hactive = <800>;
+			vactive = <480>;
+			hsync-len = <40>;
+			hfront-porch = <48>;
+			hback-porch = <40>;
+			vfront-porch = <13>;
+			vback-porch = <32>;
+			vsync-len = <1>;
+			de-active = <1>;
+			hsync-active = <0>;
+			vsync-active = <0>;
+			pixelclk-active = <0>;
+		};
+#else	// 7' LCD
+		width-mm = <223>;
+		height-mm = <125>;
+		label = "ATK-MD0700R-1024x600";
+		data-mapping = "jeida-24";
+
+		panel-timing {
+			clock-frequency = <51200000>;
+			hactive = <1024>;
+			vactive = <600>;
+			hsync-len = <20>;
+			hfront-porch = <160>;
+			hback-porch = <140>;
+			vfront-porch = <12>;
+			vback-porch = <20>;
+			vsync-len = <3>;
+			de-active = <1>;
+			hsync-active = <0>;
+			vsync-active = <0>;
+			pixelclk-active = <0>;
+		};
+#endif
+		port@0 {
+			reg = <0>;
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			dvo_connector_in: endpoint@0 {
+				reg = <0>;
+				remote-endpoint = <&dc_out_rgb0>;
+			};
+		};
+	};
+
+	vccio_codec: 3_3V{
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_IO";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
+
+	// 虽然这个时钟在从模式下没用，但 es8388 驱动必须指定这个时钟
+	es8388_clk: es8388-clock {
+		compatible = "fixed-clock";
+		clock-frequency = <11289600>;
+		#clock-cells = <1>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&uart4 {
+	status = "okay";
+};
+
+&uart5 {
+	status = "okay";
+};
+
+&uart6 {
+	status = "okay";
+};
+
+&uart7 {
+	status = "disabled";
+};
+
+&uart8 {
+	status = "disabled";
+};
+
+&uart9 {
+	status = "okay";
+};
+
+&spi0 {
+	status = "okay";
+
+	spi-flash@0 {
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <25000000>;
+		reg = <0>;
+	};
+};
+
+&spi1 {
+	status = "disabled";
+};
+
+&spi2 {
+	status = "disabled";
+};
+
+&gmac0 {
+	status = "okay";
+	phy-handle = <&yt8511h0>;
+	mdio {
+		compatible = "snps,dwmac-mdio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		yt8511h0: ethernet-phy@0 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <0>;
+			motorcomm,led0_cfg = <0x40>; //千兆常亮
+			motorcomm,led1_cfg = <0x30>; //百兆 十兆常亮
+			motorcomm,led2_cfg = <0x2600>; //有数据时闪烁
+		};
+	};
+};
+
+&dc {
+	status = "ok"
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+			dc_out_rgb0: endpoint {
+				remote-endpoint = <&dvo_connector_in>;
+			};
+		};
+	};
+};
+
+&i2c0 {
+	status = "ok"
+
+	touchpad: gt9147@14 {
+		compatible = "goodix,gt9147";
+		reg = <0x14>;
+		// 2K300 GPIO 支持中断控制
+		// GPIO 中断号为 vhwirq-base + pinnum (170 = 128 + 42)
+		interrupt-parent = <&gpio>;
+		interrupts = <170 IRQ_TYPE_EDGE_FALLING>;
+		irq-gpios = <&gpio 42 GPIO_ACTIVE_LOW>;
+		reset-gpios = <&gpio 55 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&i2c1 {
+	status = "ok"
+};
+
+&i2c2 {
+	status = "okay";
+
+	codec: es8388@11{
+		compatible = "everest,es8388";
+		reg = <0x11>;
+		AVDD-supply = <&vccio_codec>;
+		DVDD-supply = <&vccio_codec>;
+		HPVDD-supply = <&vccio_codec>;
+		PVDD-supply = <&vccio_codec>;
+		clocks = <&es8388_clk 0>;
+	};
+};
+
+
+&can0 {
+	status = "okay";
+};
+
+&can1 {
+	status = "okay";
+};
+
+&can2 {
+	status = "okay";
+};
+
+&can3 {
+	status = "okay";
+};
+
+&adc {
+	status = "okay";
+};
+
+&rtc0 {
+	status = "okay";
+};
+
+&sdio1 {
+	pinctrl-0 = <&sdio1_pins>;
+	pinctrl-names = "default";
+	cap-sd-highspeed;
+	cap-mmc-highspeed;
+	bus-width = <4>;
+	cd-gpios = <&gpio 82 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
+
+&i2s {
+	status = "okay";
+};
+
+&audio {
+	status = "okay";
+};
+
+&sound {
+	status = "okay";
+};

arch/loongarch/boot/dts/loongson/ls2k300_pai_pihat.dts

@@ -0,0 +1,324 @@
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pwm/pwm.h>
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+#include "loongson2k300.dtsi"
+#include "loongson_panel_param.dtsi"
+
+/ {
+	model = "LS2K300-PAI";
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+		bootargs = "earlycon";
+	};
+
+	/* not need memory node, we get memory info from boot params. */
+	//memory {
+	//	name = "memory";
+	//	device_type = "memory";
+	//	reg =  <0 0x00200000 0 0x0ee00000
+	//		0 0x90000000 0 0x10000000>;
+	//};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		linux,cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			size = <0 0x02000000>;
+			linux,cma-default;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led1 {
+			label = "led1";
+			gpios = <&gpio 54 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "heartbeat";
+			default-state = "on";
+		};
+	};
+
+	lcd_backlight: backlight {
+		compatible = "gpio-backlight";
+		gpios = <&gpio 43 GPIO_ACTIVE_HIGH>;
+		default-on;
+	};
+
+	panel: dvo-connector@0 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "panel-lvds", "auo,b101ean01";
+		backlight = <&lcd_backlight>;
+
+		/* lcd power on control gpio */
+		// enable-gpios = <&pioA 3 GPIO_ACTIVE_HIGH>;
+		// power-supply = <&vdd_lcd>;
+#if 0	// 4.3' LCD
+		width-mm = <223>;
+		height-mm = <125>;
+		label = "ATK-MD0430R-800x480";
+		data-mapping = "jeida-24";
+
+		panel-timing {
+			clock-frequency = <27000000>;
+			hactive = <800>;
+			vactive = <480>;
+			hsync-len = <40>;
+			hfront-porch = <48>;
+			hback-porch = <40>;
+			vfront-porch = <13>;
+			vback-porch = <32>;
+			vsync-len = <1>;
+			de-active = <1>;
+			hsync-active = <0>;
+			vsync-active = <0>;
+			pixelclk-active = <0>;
+		};
+#else	// 7' LCD
+		width-mm = <223>;
+		height-mm = <125>;
+		label = "ATK-MD0700R-1024x600";
+		data-mapping = "jeida-24";
+
+		panel-timing {
+			clock-frequency = <51200000>;
+			hactive = <1024>;
+			vactive = <600>;
+			hsync-len = <20>;
+			hfront-porch = <160>;
+			hback-porch = <140>;
+			vfront-porch = <12>;
+			vback-porch = <20>;
+			vsync-len = <3>;
+			de-active = <1>;
+			hsync-active = <0>;
+			vsync-active = <0>;
+			pixelclk-active = <0>;
+		};
+#endif
+		port@0 {
+			reg = <0>;
+
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			dvo_connector_in: endpoint@0 {
+				reg = <0>;
+				remote-endpoint = <&dc_out_rgb0>;
+			};
+		};
+	};
+
+	vccio_codec: 3_3V{
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_IO";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
+
+	humidity_sensor {
+		compatible = "dht11-sensor";
+		SHT11-gpios = <&gpio 61 GPIO_ACTIVE_HIGH>;
+		status = "okay";
+	};
+
+	// 虽然这个时钟在从模式下没用，但 es8388 驱动必须指定这个时钟
+	es8388_clk: es8388-clock {
+		compatible = "fixed-clock";
+		clock-frequency = <11289600>;
+		#clock-cells = <1>;
+	};
+
+	onewire {
+		compatible = "w1-gpio";
+		gpios = <&gpio 68 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "ok"
+};
+
+&uart5 {
+	status = "disabled";
+};
+
+&uart6 {
+	status = "disabled";
+};
+
+&uart7 {
+	status = "disabled";
+};
+
+&uart8 {
+	status = "disabled";
+};
+
+&spi0 {
+	status = "okay";
+
+	spi-flash@0 {
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <25000000>;
+		reg = <0>;
+	};
+};
+
+&spi1 {
+	status = "okay";
+
+	spidev0@0 {
+		compatible = "rohm,dh2228fv";
+		reg = <0>;
+		spi-max-frequency = <25000000>;
+	};
+};
+
+&spi2 {
+	status = "ok"
+	pinctrl-0 = <&spi2_cs_as_gpio>;
+	pinctrl-names = "default";
+	num-chipselects = <2>;
+	cs-gpios = <&gpio 67 0>,
+			<&gpio 85 0>;
+
+	mcp3004@0 {
+		compatible = "mcp3004";
+		reg = <0>;
+		spi-max-frequency = <1500000>;
+	};
+
+	spidev1@1 {
+		compatible = "rohm,dh2228fv";
+		reg = <1>;
+		spi-max-frequency = <25000000>;
+	};
+};
+
+&gmac0 {
+	status = "okay";
+	phy-handle = <&yt8511h0>;
+	mdio {
+		compatible = "snps,dwmac-mdio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		yt8511h0: ethernet-phy@0 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <0>;
+			motorcomm,led0_cfg = <0x40>; //千兆常亮
+			motorcomm,led1_cfg = <0x30>; //百兆 十兆常亮
+			motorcomm,led2_cfg = <0x2600>; //有数据时闪烁
+		};
+	};
+};
+
+&dc {
+	status = "ok"
+
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+			dc_out_rgb0: endpoint {
+				remote-endpoint = <&dvo_connector_in>;
+			};
+		};
+	};
+};
+
+&i2c0 {
+	status = "ok"
+
+	touchpad: gt9147@14 {
+		compatible = "goodix,gt9147";
+		reg = <0x14>;
+		// 2K300 GPIO 支持中断控制
+		// GPIO 中断号为 vhwirq-base + pinnum (170 = 128 + 42)
+		interrupt-parent = <&gpio>;
+		interrupts = <170 IRQ_TYPE_EDGE_FALLING>;
+		irq-gpios = <&gpio 42 GPIO_ACTIVE_LOW>;
+		reset-gpios = <&gpio 55 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&i2c1 {
+	status = "ok"
+};
+
+&i2c2 {
+	status = "okay";
+
+	codec: es8388@11{
+		compatible = "everest,es8388";
+		reg = <0x11>;
+		AVDD-supply = <&vccio_codec>;
+		DVDD-supply = <&vccio_codec>;
+		HPVDD-supply = <&vccio_codec>;
+		PVDD-supply = <&vccio_codec>;
+		clocks = <&es8388_clk 0>;
+	};
+};
+
+
+&can0 {
+	status = "disabled";
+};
+
+&can1 {
+	status = "disabled";
+};
+
+&can2 {
+	status = "disabled";
+};
+
+&can3 {
+	status = "disabled";
+};
+
+&adc {
+	status = "okay";
+};
+
+&rtc0 {
+	status = "okay";
+};
+
+&sdio1 {
+	pinctrl-0 = <&sdio1_pins>;
+	pinctrl-names = "default";
+	cap-sd-highspeed;
+	cap-mmc-highspeed;
+	bus-width = <4>;
+	cd-gpios = <&gpio 82 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
+
+&i2s {
+	status = "okay";
+};
+
+&audio {
+	status = "okay";
+};
+
+&sound {
+	status = "okay";
+};

arch/loongarch/boot/dts/loongson/ls2p500_gbkpjm0_v10.dts

@@ -5,6 +5,17 @@
 
 / {
 	model = "LS2P500-GBKPJM0";
+
+	leds {
+		compatible = "gpio-leds";
+
+		sysrun {
+			label = "sysrun";
+			gpios = <&pioB 32 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "heartbeat";
+			default-state = "on";
+		};
+	};
 };
 
 // UART LCD
@@ -59,3 +70,7 @@
 	pinctrl-names = "default";
 	cd-gpios = <&pioA 14 GPIO_ACTIVE_LOW>;
 };
+
+&prt_pwm15 {
+	status = "okay";
+};

arch/loongarch/boot/dts/loongson/ls2p500_rsj_mb_v10.dts

@@ -102,6 +102,17 @@
 		gpios = <&pioC 20 GPIO_ACTIVE_HIGH>;
 		default-on;
 	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led1 {
+			label = "led1";
+			gpios = <&pioC 19 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "heartbeat";
+			default-state = "on";
+		};
+	};
 };
 
 // UART LCD

arch/loongarch/configs/loongson_2p500_defconfig

@@ -260,10 +260,7 @@ CONFIG_MTD=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_BLOCK=y
 CONFIG_MTD_BLOCK2MTD=y
-CONFIG_MTD_RAW_NAND=y
-CONFIG_MTD_NAND_ECC_SW_BCH=y
-CONFIG_MTD_NAND_LS=y
-CONFIG_MTD_SPI_NOR=m
+CONFIG_MTD_SPI_NOR=y
 CONFIG_MTD_UBI=y
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_CRYPTOLOOP=y
@@ -452,6 +449,7 @@ CONFIG_MS518XN_ADC=y
 CONFIG_MCP4728=y
 CONFIG_MAX31865=y
 CONFIG_PWM=y
+CONFIG_PWM_LS=y
 CONFIG_LOONGSON_IOINTC_2K500=y
 CONFIG_EXT2_FS=y
 CONFIG_EXT2_FS_XATTR=y

drivers/misc/ls2x-lio.c

@@ -149,6 +149,7 @@ static ssize_t lio_read (struct file *file, char __user *buf, size_t size, loff_
 {
 	unsigned long res;
 	u8 *kbuf;
+	u16 val16;
 	void *ptr;
 	int i;
 	struct lio_node* node = (struct lio_node*)(file->private_data);
@@ -167,9 +168,18 @@ static ssize_t lio_read (struct file *file, char __user *buf, size_t size, loff_
 	}
 
 	ptr = node->base + *offset;
-	for (i = 0; i < size; i++) {
-		kbuf[i] = ioread8(ptr + i);
+	if (node->parent->lio_io_width == 0) {
+		for (i = 0; i < size; i++) {
+			kbuf[i] = ioread8(ptr + i);
+		}
+	} else {
+		for (i = 0; i < size; i += 2) {
+			val16 = ioread16(ptr + i);
+			kbuf[i+1] = val16 >> 8;
+			kbuf[i] = val16 & 0xff;
+		}
 	}
+
 	// pr_info("lio kernel read: 0x%x\n", kbuf[0]);
 	res = copy_to_user(buf, kbuf, size);
 	if (res != 0) {

drivers/pwm/Kconfig

@@ -572,7 +572,7 @@ config PWM_ZX
 
 config PWM_LS
 	tristate "Loongson PWM support"
-	depends on LOONGSON_2K500 || LOONGSON_2K1000 || LOONGSON_2K300
+	depends on LOONGSON_2K500 || LOONGSON_2K1000 || LOONGSON_2K300 || LOONGSON_2P500
 	help
 	  Generic PWM framework driver for loongson3.