diff --git a/arch/arm64/boot/dts/seco/Makefile b/arch/arm64/boot/dts/seco/Makefile
index d18f7cb542defbe37e47c5ab7b20ab3e3d30a874..154446e0658ec6bcd4f2c29578dff61d39d6cd8a 100644
--- a/arch/arm64/boot/dts/seco/Makefile
+++ b/arch/arm64/boot/dts/seco/Makefile
@@ -10,6 +10,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += seco-px30-d23-revb-lvds.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += seco-px30-d23-revc-hdmi.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += seco-px30-d23-revc-lvds.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += seco-px30-d23-revb-hdmi-lvds.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += seco-px30-d23-revc-hdmi-lvds.dtb
 
 dts-dirs += overlays
 
diff --git a/arch/arm64/boot/dts/seco/seco-px30-d23-revc-hdmi-lvds.dts b/arch/arm64/boot/dts/seco/seco-px30-d23-revc-hdmi-lvds.dts
new file mode 100644
index 0000000000000000000000000000000000000000..d55be9d25d8b4402a6f414acf96dd3dcf23cad13
--- /dev/null
+++ b/arch/arm64/boot/dts/seco/seco-px30-d23-revc-hdmi-lvds.dts
@@ -0,0 +1,246 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 Fuzhou Rockchip Electronics Co., Ltd
+ */
+
+/dts-v1/;
+#include "seco-px30-d23-revc.dtsi"
+
+/ {
+	model = "Seco D23 PX30 - HDMI + LVDS video output RevC";
+	compatible = "rockchip,linux", "rockchip,rk3326";
+
+	chosen {
+		bootargs = "swiotlb=1 console=ttyFIQ0 rw rootwait board_revC-HDMI";
+	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm1 0 25000 0>;
+		brightness-levels = <
+			  0   1   2   3   4   5   6   7
+			  8   9  10  11  12  13  14  15
+			 16  17  18  19  20  21  22  23
+			 24  25  26  27  28  29  30  31
+			 32  33  34  35  36  37  38  39
+			 40  41  42  43  44  45  46  47
+			 48  49  50  51  52  53  54  55
+			 56  57  58  59  60  61  62  63
+			 64  65  66  67  68  69  70  71
+			 72  73  74  75  76  77  78  79
+			 80  81  82  83  84  85  86  87
+			 88  89  90  91  92  93  94  95
+			 96  97  98  99 100 101 102 103
+			104 105 106 107 108 109 110 111
+			112 113 114 115 116 117 118 119
+			120 121 122 123 124 125 126 127
+			128 129 130 131 132 133 134 135
+			136 137 138 139 140 141 142 143
+			144 145 146 147 148 149 150 151
+			152 153 154 155 156 157 158 159
+			160 161 162 163 164 165 166 167
+			168 169 170 171 172 173 174 175
+			176 177 178 179 180 181 182 183
+			184 185 186 187 188 189 190 191
+			192 193 194 195 196 197 198 199
+			200 201 202 203 204 205 206 207
+			208 209 210 211 212 213 214 215
+			216 217 218 219 220 221 222 223
+			224 225 226 227 228 229 230 231
+			232 233 234 235 236 237 238 239
+			240 241 242 243 244 245 246 247
+			248 249 250 251 252 253 254 255>;
+		default-brightness-level = <200>;
+		/*enable-gpios=<&gpio0 15 GPIO_ACTIVE_HIGH>*/
+	};
+
+	panel_lvds {
+		compatible = "samsung,lsl070nl01", "simple-panel";
+		backlight = <&backlight>;
+		power-supply = <&vcc3v3_lcd>;
+		enable-delay-ms = <20>;
+		prepare-delay-ms = <20>;
+		unprepare-delay-ms = <20>;
+		disable-delay-ms = <20>;
+		bus-format = <MEDIA_BUS_FMT_RGB666_1X7X3_SPWG>;
+
+		width-mm = <217>;
+		height-mm = <136>;
+
+		display-timings {
+			native-mode = <&timing0>;
+
+			timing0: timing0 {
+				clock-frequency = <51000000>;
+				hactive = <1024>;
+				vactive = <600>;
+				hback-porch = <90>;
+				hfront-porch = <90>;
+				vback-porch = <10>;
+				vfront-porch = <10>;
+				hsync-len = <90>;
+				vsync-len = <10>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+				de-active = <0>;
+				pixelclk-active = <0>;
+			};
+		};
+
+		port {
+		   panel_in_lvds: endpoint {
+			  remote-endpoint = <&lvds_out_panel>;
+		   };
+		};
+	};
+
+	panel_rgb {
+		compatible = "simple-panel";
+		backlight = <&backlight>;
+		enable-delay-ms = <120>;
+		prepare-delay-ms = <20>;
+		unprepare-delay-ms = <20>;
+		disable-delay-ms = <20>;
+		bus-format = <MEDIA_BUS_FMT_RGB888_1X7X4_SPWG>;
+
+		width-mm = <154>;
+		height-mm = <86>;
+
+		display-timings {
+			native-mode = <&timing1>;
+
+			timing1: timing1 {
+				clock-frequency = <148500000>;
+				hactive = <1920>;
+				vactive = <1080>;
+				hback-porch = <80>;
+				hfront-porch = <80>;
+				vback-porch = <18>;
+				vfront-porch = <20>;
+				hsync-len = <80>;
+				vsync-len = <7>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+				de-active = <0>;
+				pixelclk-active = <0>;
+			};
+
+			timing2: timing2 {
+				clock-frequency = <148500000>;
+				hactive = <1920>;
+				vactive = <1080>;
+				hback-porch = <90>;
+				hfront-porch = <90>;
+				vback-porch = <10>;
+				vfront-porch = <10>;
+				hsync-len = <90>;
+				vsync-len = <10>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+				de-active = <0>;
+				pixelclk-active = <0>;
+			};
+
+			timing3: timing3 {
+				clock-frequency = <106500000>;
+				hactive = <1440>;
+				vactive = <900>;
+				hback-porch = <232>;
+				hfront-porch = <80>;
+				hsync-len = <152>;
+				vback-porch = <3>;
+				vfront-porch = <25>;
+				vsync-len = <6>;
+				hsync-active = <0>;
+				vsync-active = <0>;
+				de-active = <0>;
+				pixelclk-active = <0>;
+			};
+
+		};
+
+		port {
+			panel_in_rgb: endpoint {
+				remote-endpoint = <&rgb_out_panel>;
+			};
+		};
+	};
+};
+
+&lvds {
+	status = "okay";
+
+	ports {
+		port@1 {
+			reg = <1>;
+
+			lvds_out_panel: endpoint {
+				remote-endpoint = <&panel_in_lvds>;
+			};
+		};
+	};
+};
+
+&rgb {
+	status = "okay";
+
+    ports {
+        port@1 {
+            reg = <1>;
+
+            rgb_out_panel: endpoint {
+                remote-endpoint = <&panel_in_rgb>;
+            };
+        };
+    };
+};
+
+&i2c1 {
+	status = "okay";
+	clock-frequency = <400000>;
+
+	tda19988: tda19988@70 {
+		compatible = "udoo,tda19988";
+		reg = <0x70>;
+        video-ports = <0x234501>;
+		status = "okay";
+	};
+};
+
+&dmc {
+	auto-freq-en = <0>;
+};
+
+&lvds_in_vopb {
+	status = "okay";
+};
+
+&lvds_in_vopl {
+	status = "disabled";
+};
+
+&rgb_in_vopb {
+	status = "disabled";
+};
+
+&rgb_in_vopl {
+	status = "okay";
+};
+
+&vopl {
+	status = "okay";
+};
+
+&route_rgb {
+	connect = <&vopl_out_rgb>;
+	status = "okay";
+};
+
+&video_phy {
+	status = "okay";
+};
+
+&route_lvds {
+	connect = <&vopb_out_lvds>;
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/seco/seco-px30-d23-revc.dtsi b/arch/arm64/boot/dts/seco/seco-px30-d23-revc.dtsi
index c518a53a596a4c8ac26dd0d5a6d862b92fc6d223..d6610f9cd17910815578980bd500a49a577cf383 100644
--- a/arch/arm64/boot/dts/seco/seco-px30-d23-revc.dtsi
+++ b/arch/arm64/boot/dts/seco/seco-px30-d23-revc.dtsi
@@ -120,6 +120,105 @@
 		regulator-max-microvolt = <5000000>;
 	};
 
+	vdd_m2: vdd_m2 {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd_m2";
+        enable-active-high;
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <3000000>;
+		regulator-max-microvolt = <3000000>;
+		gpio = <&gpio1 RK_PB0 GPIO_ACTIVE_HIGH>;
+	};
+
+	reg_1p8v_run_en: reg_1p8v_run_en {
+		compatible = "regulator-fixed";
+		regulator-name = "reg_1p8v_run_en";
+        enable-active-high;
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		gpio = <&gpio0 RK_PA0 GPIO_ACTIVE_HIGH>;
+	};
+
+	usb1_pwr_en: usb1_pwr_en {
+		compatible = "regulator-fixed";
+		regulator-boot-on;
+		regulator-always-on;
+		regulator-name = "usb1_pwr_en";
+		regulator-min-microvolt = <3000000>;
+		regulator-max-microvolt = <3000000>;
+		gpio = <&gpio_expanderA_u32 2 GPIO_ACTIVE_LOW>;
+	};
+
+	usb2_pwr_en: usb2_pwr_en {
+		compatible = "regulator-fixed";
+		regulator-boot-on;
+		regulator-always-on;
+		regulator-name = "usb2_pwr_en";
+		regulator-min-microvolt = <3000000>;
+		regulator-max-microvolt = <3000000>;
+		gpio = <&gpio_expanderA_u32 3 GPIO_ACTIVE_LOW>;
+	};
+
+	usb3_pwr_en: usb3_pwr_en {
+		compatible = "regulator-fixed";
+		regulator-boot-on;
+		regulator-always-on;
+		regulator-name = "usb3_pwr_en";
+		regulator-min-microvolt = <3000000>;
+		regulator-max-microvolt = <3000000>;
+		gpio = <&gpio_expanderA_u32 4 GPIO_ACTIVE_LOW>;
+	};
+
+	usb4_pwr_en: usb4_pwr_en {
+		compatible = "regulator-fixed";
+		regulator-boot-on;
+		regulator-always-on;
+		regulator-name = "usb3_pwr_en";
+		regulator-min-microvolt = <3000000>;
+		regulator-max-microvolt = <3000000>;
+		gpio = <&gpio_expanderA_u32 5 GPIO_ACTIVE_LOW>;
+	};
+
+	pcie_rst: pcie_rst {
+		compatible = "regulator-fixed";
+		regulator-boot-on;
+		regulator-always-on;
+		regulator-name = "pcie_rst";
+		regulator-min-microvolt = <3000000>;
+		regulator-max-microvolt = <3000000>;
+		gpio = <&gpio_expanderA_u32 13 GPIO_ACTIVE_HIGH>;
+	};
+
+    vdd_m2_enabler: en_vdd-m2 {
+        compatible = "reg-userspace-consumer";
+        regulator-name = "en_vdd-m2";
+        regulator-supplies = "vdd_m2";
+        vdd_m2-supply = <&vdd_m2>;
+        regulator-boot-on;
+    };
+
+    reg_1p8v_enabler: reg_1p8v_enabler {
+        compatible = "reg-userspace-consumer";
+        regulator-name = "en_1p8v_run";
+        regulator-supplies = "reg_1p8v_run_en";
+        reg_1p8v_run_en-supply = <&reg_1p8v_run_en>;
+        regulator-boot-on;
+    };
+
+    vbus_pwr_enabler: vbus_pwr_enabler {
+        compatible = "reg-userspace-consumer";
+        regulator-boot-on;
+        regulator-name = "vbus_pwr_enabler";
+        regulator-supplies = "usb1_pwr_en", "usb2_pwr_en", "usb3_pwr_en", "usb4_pwr_en", "hub_usb_rst";
+        usb1_pwr_en-supply = <&usb1_pwr_en>;
+        usb2_pwr_en-supply = <&usb2_pwr_en>;
+        usb3_pwr_en-supply = <&usb3_pwr_en>;
+        usb4_pwr_en-supply = <&usb4_pwr_en>;
+    };
+
 	sdio_pwrseq: sdio-pwrseq {
 		compatible = "mmc-pwrseq-simple";
 
@@ -132,6 +231,26 @@
 		reset-gpios = <&gpio_expanderA_u32 10 GPIO_ACTIVE_LOW>; 
 	};
 
+	rk809_sound: rk809-sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,format = "i2s";
+		simple-audio-card,name = "rockchip,rk809-codec";
+		simple-audio-card,mclk-fs = <256>;
+		simple-audio-card,widgets =
+			"Microphone", "Mic Jack",
+			"Headphone", "Headphone Jack";
+		simple-audio-card,routing =
+			"Mic Jack", "MICBIAS1",
+			"IN1P", "Mic Jack",
+			"Headphone Jack", "HPOL",
+			"Headphone Jack", "HPOR";
+		simple-audio-card,cpu {
+			sound-dai = <&i2s1_2ch>;
+		};
+		simple-audio-card,codec {
+			sound-dai = <&rk809_codec>;
+		};
+	};
 };
 
 &bus_apll {
@@ -234,9 +353,9 @@
 	assigned-clocks = <&cru SCLK_GMAC>;
 	assigned-clock-parents = <&gmac_clkin>;
 	clock_in_out = "input";
-    phy-mode = "rmii";
-    pinctrl-names = "default";
-    pinctrl-0 = <&rmii_pins &eth_phy_pwr>;
+	phy-mode = "rmii";
+	pinctrl-names = "default";
+	pinctrl-0 = <&rmii_pins &mac_refclk &eth_phy_pwr &eth_phy_int>;
 	snps,reset-gpio = <&gpio2 RK_PB3 GPIO_ACTIVE_LOW>;
 	snps,reset-active-low;
 	snps,reset-delays-us = <0 100000 100000>;
@@ -250,7 +369,7 @@
 
 &spi0 {
         status = "okay";
-        max-freq = <48000000>;
+//        max-freq = <48000000>;
 		pinctrl-0 = <&spi0_clk &spi0_csn &spi0_miso &spi0_mosi>;
 		pinctrl-1 = <&spi0_clk_hs &spi0_csn &spi0_miso_hs &spi0_mosi_hs>;
 	    spi_dev@0 {
@@ -268,6 +387,7 @@
 
 &i2c0 {
 	status = "okay";
+	clock-frequency = <400000>;
 
 	rk809: pmic@20 {
 		compatible = "rockchip,rk809";
@@ -510,6 +630,7 @@
 
 			vcc3v3_lcd: SWITCH_REG1 {
 				regulator-boot-on;
+				regulator-always-on;
 				regulator-name = "vcc3v3_lcd";
 			};
 
@@ -519,19 +640,36 @@
 				regulator-name = "vcc5v0_host";
 			};
 		};
+
+		rk809_codec: codec {
+			#sound-dai-cells = <0>;
+			compatible = "rockchip,rk809-codec", "rockchip,rk817-codec";
+			clocks = <&cru SCLK_I2S1_OUT>;
+			clock-names = "mclk";
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2s1_2ch_mclk>;
+			hp-volume = <20>;
+			spk-volume = <3>;
+			status = "okay";
+		};
 	};
 };
 
 &i2c1 {
 	status = "okay";
 	clock-frequency = <400000>;
-	/*rtc pcf8563 i2c0-->i2c1*/
 
 	rtc@51 {
-        compatible = "nxp,pcf8563";
+        compatible = "nxp,pcf85063";
         reg = <0x51>;
     };
 
+	at24@52 {
+		compatible = "at24,24aa025";
+		pagesize   = <256>;
+		reg        = <0x52>;
+	};
+
 	gpio_expanderA_u32: pcal6416@20 {
 		compatible = "nxp,pcal6416";
 		reg = <0x20>;
@@ -540,7 +678,7 @@
 		gpio-base = <256>;
 		gpio-controller;
 		#gpio-cells = <2>;
-		reset-gpios = <&gpio1 RK_PB3 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_HIGH>;
 //		interrupt-parent = <&gpio4>;
 //		interrupts = <16 0x2>;
 		interrupt-controller;
@@ -555,7 +693,7 @@
 		gpio-base = <272>;
 		gpio-controller;
 		#gpio-cells = <2>;
-		reset-gpios = <&gpio1 RK_PB0 GPIO_ACTIVE_HIGH>;
+//		reset-gpios = <&gpio1 RK_PB0 GPIO_ACTIVE_HIGH>;
 		interrupt-parent = <&gpio0>;
 		interrupts = <RK_PA3 0x2>;
 		interrupt-controller;
@@ -648,11 +786,16 @@
 
 &sdio {
 	bus-width = <4>;
+	sd-uhs-sdr12;
 	sd-uhs-sdr25;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	mmc-hs200-1_8v;
 	supports-sdio;
 	ignore-pm-notify;
 	keep-power-in-suspend;
 	non-removable;
+	cap-sdio-irq;
 	mmc-pwrseq = <&sdio_pwrseq>;
 	status = "okay";
 };
@@ -664,16 +807,16 @@
 	status = "okay";
 };
 
-/*change to uart0 debug*/
+&i2s1_2ch {
+	status = "okay";
+	#sound-dai-cells = <0>;
+};
+
 &uart0 {
-        pinctrl-names = "default";
-        pinctrl-0 = <&uart0_xfer /*&uart0_cts &uart0_rts*/>;
         status = "okay";
 };
 
 &uart1 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&uart1_xfer /*&uart1_cts &uart1_rts*/>;
 	status = "okay";
 };
 
@@ -756,6 +899,11 @@
         };
     };
 
+  	eth_int {
+		eth_phy_int: eth_phy_int {
+                rockchip,pins = <2 RK_PB0 RK_FUNC_GPIO &pcfg_input>;
+        };
+  	};
 
 	i2c_pcal6416a_u32 {
 		pinctrl_pcal6416a_u32: pinctrl_pcal6416a_u32 {
@@ -772,6 +920,20 @@
 		};
 	};
 
+	i2s1 {
+		i2s1_2ch_bus: i2s1-2ch-bus {
+			rockchip,pins =
+				<2 RK_PC1 RK_FUNC_1 &pcfg_pull_none>,
+				<2 RK_PC2 RK_FUNC_1 &pcfg_pull_none>,
+				<2 RK_PC4 RK_FUNC_1 &pcfg_pull_none>,
+				<2 RK_PC5 RK_FUNC_1 &pcfg_pull_none>;
+		};
+
+		i2s_8ch_mclk: i2s-8ch-mclk {
+				rockchip,pins = <2 RK_PC3 RK_FUNC_1 &pcfg_pull_none>;
+		};
+	};
+
 	lcd_vdd_gpio {
         lcd_vdd_gpio_en: lcd_vdd_gpio_en {
            rockchip,pins = <3 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>;
diff --git a/arch/arm64/configs/seco_px30_d23-linux_defconfig b/arch/arm64/configs/seco_px30_d23-linux_defconfig
index 5804ce263fcabf8d39de26b39164977eb7f14e28..f4a1ce68f84af5e8dc369c306585de7845e90236 100644
--- a/arch/arm64/configs/seco_px30_d23-linux_defconfig
+++ b/arch/arm64/configs/seco_px30_d23-linux_defconfig
@@ -409,7 +409,7 @@ CONFIG_LEDS_GPIO=y
 CONFIG_LEDS_IS31FL32XX=y
 CONFIG_RTC_CLASS=y
 CONFIG_RTC_DRV_RK808=y
-CONFIG_RTC_DRV_PCF8563=y
+CONFIG_RTC_DRV_PCF85063=y
 CONFIG_DMADEVICES=y
 CONFIG_PL330_DMA=y
 CONFIG_STAGING=y