[d-kernel] [PATCH] arm64: add dts for SoM NMS-SM-RK3568 and computer VSNF.466459.001 on its basis

[antohami@basealt.ru]

From: Anton Midyukov <antohami@altlinux.org>

Tested with kernel 6.1.77.
Link: https://github.com/A-TELEMATIKA/rk3568-telematika-smtm
---
 arch/arm64/boot/dts/rockchip/Makefile         |   1 +
 .../rockchip/rk3568-inmys-smarc-som_v2.dtsi   | 686 ++++++++++++++++++
 .../dts/rockchip/rk3568-telematika-smtm.dts   | 368 ++++++++++
 3 files changed, 1055 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/rk3568-inmys-smarc-som_v2.dtsi
 create mode 100644 arch/arm64/boot/dts/rockchip/rk3568-telematika-smtm.dts

diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 0af286891333..aad352c153ec 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -73,3 +73,4 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-bpi-r2-pro.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-evb1-v10.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-rock-3a.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-firefly-roc-pc.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-telematika-smtm.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-inmys-smarc-som_v2.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-inmys-smarc-som_v2.dtsi
new file mode 100644
index 000000000000..40693bfc0afb
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3568-inmys-smarc-som_v2.dtsi
@@ -0,0 +1,686 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+#include <dt-bindings/soc/rockchip,vop2.h>
+#include "rk3568.dtsi"
+//#include "rockchip/rk3568.dtsi"
+
+/ {
+	model = "NMS-SM-RK3568";
+	compatible = "inmys,rk3568-smarc-som_v2", "inmys,rk3568-smarc-som", "rockchip,rk3568";
+
+	aliases {
+		ethernet0 = &gmac0; /*SMARC: GBE0*/
+		ethernet1 = &gmac1; /*SMARC: GBE1*/
+		mmc0 = &sdhci; /*emmc*/
+		mmc1 = &sdmmc0; /*sdcard*/
+		rtc0 = &rtc68;
+		rtc1 = &rk809;
+		can0 = &can0; /*SMARC: can0*/
+		can1 = &can2; /*SMARC: can1*/
+	};
+
+	chosen: chosen {
+		stdout-path = "serial2:1500000n8";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_user: led_user {
+			gpios = <&gpio2 RK_PC2 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+
+	smarc_vdd_in: smarc-vdd-in {
+		/* 3.0...5.25V main power input for som(from mother board) */
+		compatible = "regulator-fixed";
+		regulator-name = "SMARC_VDD_IN";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+	V3P3: SMARC_CARRIER_PWR_ON {
+		/* enable 3v3 main power on mother board, by pmic pin "EXT_EN" */
+		/* CARRIER_PWR_ON->S154->CARRIER_PWR_ON */
+		compatible = "regulator-fixed";
+		regulator-name = "SMARC_CARRIER_PWR_ON";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+	};
+	vcc_5v_boost: vcc-5v-boost {
+		/* boost from SMARC VDD_IN( 3.0V ... 5.25V) to 5V */
+		/* variants: 0R or FAN48623UC50X */
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_5V_BOOST";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&smarc_vdd_in>;
+	};
+	vcc_3v3_in: vcc-3v3-in {
+		/* 3v3 input for pmic (for LDOs)*/
+		/* NCP1597BMNTWG (5V->3v3) on som*/
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_3V3_IN";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc_5v_boost>;
+	};
+
+	vdd_cpu: vdd-cpu {
+		/* FAN53200UC35X */
+		vin-supply = <&smarc_vdd_in>;
+		compatible = "regulator-fixed";
+		regulator-name = "vdd_cpu";
+		regulator-min-microvolt = <1150000>;
+		regulator-max-microvolt = <1150000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+};
+
+&cpu0 {
+	cpu-supply = <&vdd_cpu>;
+};
+
+&cpu1 {
+	cpu-supply = <&vdd_cpu>;
+};
+
+&cpu2 {
+	cpu-supply = <&vdd_cpu>;
+};
+
+&cpu3 {
+	cpu-supply = <&vdd_cpu>;
+};
+
+
+&mdio0 {
+	rgmii_phy0: phy@0 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <0x0>;
+	};
+};
+
+&gmac0 {
+	phy-mode = "rgmii-id";
+
+	snps,reset-gpio = <&gpio3 RK_PA7 GPIO_ACTIVE_LOW>;
+	snps,reset-active-low;
+	/* Reset time is 20ms, 100ms for rtl8211f */
+	snps,reset-delays-us = <0 20000 100000>;
+
+	clock_in_out = "output";
+	assigned-clocks = <&cru SCLK_GMAC0_RX_TX>, <&cru SCLK_GMAC0>;
+	assigned-clock-parents = <&cru SCLK_GMAC0_RGMII_SPEED>, <&cru CLK_MAC0_2TOP>;
+	assigned-clock-rates = <0>, <125000000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac0_miim
+		&gmac0_tx_bus2
+		&gmac0_rx_bus2
+		&gmac0_rgmii_clk
+		&gmac0_rgmii_bus>;
+
+	tx_delay = <0x3c>;
+	rx_delay = <0x2f>;
+
+	phy-handle = <&rgmii_phy0>;
+};
+
+&mdio1 {
+	rgmii_phy1: ethernet-phy@0 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <0x0>;
+#if 0
+		reset-assert-us = <20000>;
+		reset-deassert-us = <100000>;
+		reset-gpios = <&gpio3 RK_PB0 GPIO_ACTIVE_LOW>;
+#endif
+	};
+};
+
+&gmac1 {
+	phy-mode = "rgmii-id";
+
+	snps,reset-gpio = <&gpio3 RK_PB0 GPIO_ACTIVE_LOW>;
+	snps,reset-active-low;
+	/* Reset time is 20ms, 100ms for rtl8211f */
+	snps,reset-delays-us = <0 20000 100000>;
+
+	clock_in_out = "output";
+	assigned-clocks = <&cru SCLK_GMAC1_RX_TX>, <&cru SCLK_GMAC1>;
+	assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>, <&cru CLK_MAC1_2TOP>;
+	assigned-clock-rates = <0>, <125000000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac1m1_miim
+		&gmac1m1_tx_bus2
+		&gmac1m1_rx_bus2
+		&gmac1m1_rgmii_clk
+		&gmac1m1_rgmii_bus>;
+
+	tx_delay = <0x4f>;
+	rx_delay = <0x26>;
+
+	phy-handle = <&rgmii_phy1>;
+};
+
+&gpu {
+	mali-supply = <&vdd_gpu>;
+};
+
+&hdmi {
+	avdd-0v9-supply = <&vdda0v9_image>;
+	avdd-1v8-supply = <&vcca1v8_image>;
+	pinctrl-0 = <&hdmitx_scl &hdmitx_sda>; // no HDMI CEC pin on SMARC connector (&hdmitxm0_cec)
+};
+
+&i2c0 {
+	status = "okay";
+#if 0
+	vdd_cpu: regulator@1c {
+		compatible = "tcs,tcs4525";
+		reg = <0x1c>;
+		fcs,suspend-voltage-selector = <1>;
+		regulator-name = "vdd_cpu";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <800000>;
+		regulator-max-microvolt = <1150000>;
+		regulator-ramp-delay = <2300>;
+		vin-supply = <&vcc5v0_sys>;
+
+		regulator-state-mem {
+			regulator-off-in-suspend;
+		};
+	};
+#endif
+
+	rk809: pmic@20 {
+		compatible = "rockchip,rk809";
+		reg = <0x20>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <RK_PA3 IRQ_TYPE_LEVEL_LOW>;
+		assigned-clocks = <&cru I2S1_MCLKOUT_TX>;
+		assigned-clock-parents = <&cru CLK_I2S1_8CH_TX>;
+		#clock-cells = <1>;
+		clock-names = "mclk";
+		clocks = <&cru I2S1_MCLKOUT_TX>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pmic_int &i2s1m0_mclk>;
+		rockchip,system-power-controller;
+		#sound-dai-cells = <0>;
+		vcc1-supply = <&smarc_vdd_in>;
+		vcc2-supply = <&smarc_vdd_in>;
+		vcc3-supply = <&smarc_vdd_in>;
+		vcc4-supply = <&smarc_vdd_in>;
+		vcc5-supply = <&vcc_3v3_in>;
+		vcc6-supply = <&vcc_3v3_in>;
+		vcc7-supply = <&vcc_3v3_in>;
+		vcc8-supply = <&vcc_3v3_in>;
+		vcc9-supply = <&vcc_3v3_in>;
+		wakeup-source;
+
+		regulators {
+			vdd_logic: DCDC_REG1 {
+				regulator-name = "vdd_logic";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-init-microvolt = <900000>;
+				regulator-initial-mode = <0x2>;
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-ramp-delay = <6001>;
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vdd_gpu: DCDC_REG2 {
+				regulator-name = "vdd_gpu";
+				regulator-always-on;
+				regulator-init-microvolt = <900000>;
+				regulator-initial-mode = <0x2>;
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-ramp-delay = <6001>;
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vcc_ddr: DCDC_REG3 {
+				regulator-name = "vcc_ddr";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-initial-mode = <0x2>;
+
+				regulator-state-mem {
+					regulator-on-in-suspend;
+				};
+			};
+
+			vdd_npu: DCDC_REG4 {
+				regulator-name = "vdd_npu";
+				regulator-init-microvolt = <900000>;
+				regulator-initial-mode = <0x2>;
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-ramp-delay = <6001>;
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vcc_1v8: DCDC_REG5 {
+				regulator-name = "vcc_1v8";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+
+				regulator-state-mem {
+					regulator-on-in-suspend;
+				};
+			};
+
+			vdda0v9_image: LDO_REG1 {
+				regulator-name = "vdda0v9_image";
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <900000>;
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vdda_0v9: LDO_REG2 {
+				regulator-name = "vdda_0v9";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <900000>;
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vdda0v9_pmu: LDO_REG3 {
+				regulator-name = "vdda0v9_pmu";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <900000>;
+
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <900000>;
+				};
+			};
+
+			vccio_acodec: LDO_REG4 {
+				regulator-name = "vccio_acodec";
+				regulator-always-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vccio_sd: LDO_REG5 {
+				regulator-name = "vccio_sd";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vcc3v3_pmu: LDO_REG6 {
+				regulator-name = "vcc3v3_pmu";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <3300000>;
+				};
+			};
+
+			vcca_1v8: LDO_REG7 {
+				regulator-name = "vcca_1v8";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vcca1v8_pmu: LDO_REG8 {
+				regulator-name = "vcca1v8_pmu";
+				regulator-always-on;
+				regulator-boot-on;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+
+				regulator-state-mem {
+					regulator-on-in-suspend;
+					regulator-suspend-microvolt = <1800000>;
+				};
+			};
+
+			vcca1v8_image: LDO_REG9 {
+				regulator-name = "vcca1v8_image";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vcc_3v3: SWITCH_REG1 {
+				regulator-name = "vcc_3v3";
+				regulator-always-on;
+				regulator-boot-on;
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+
+			vcc3v3_sd: SWITCH_REG2 {
+				regulator-name = "vcc3v3_sd";
+
+				regulator-state-mem {
+					regulator-off-in-suspend;
+				};
+			};
+		};
+
+		codec {
+			mic-in-differential;
+		};
+	};
+};
+
+&i2c5 {
+	status = "okay";
+
+	rtc68: pcf8523@68 {
+		compatible = "nxp,pcf8523";
+		reg = <0x68>;
+		quartz-load-femtofarads = <12500>;
+		/*rtcint GPIO0_D3*/
+	};
+};
+
+
+&i2s1_8ch { /* SMARC pins: S39 - S52*/
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2s1m0_sclktx &i2s1m0_lrcktx &i2s1m0_sdi0 &i2s1m0_sdo0>;
+	rockchip,trcm-sync-tx-only;
+	status = "disabled";
+};
+
+&pcie2x1 {
+	reset-gpios = <&gpio3 RK_PC1 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&V3P3>;
+	status = "disabled";
+};
+
+
+&pcie30phy {
+	status = "disabled";
+};
+
+&pcie3x2 {
+	reset-gpios = <&gpio3 RK_PA1 GPIO_ACTIVE_HIGH>;
+	vpcie3v3-supply = <&V3P3>;
+	status = "disabled";
+};
+
+
+&pinctrl {
+	pmic {
+		pmic_int: pmic_int {
+			rockchip,pins =
+				<0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
+		};
+	};
+};
+
+&pmu_io_domains {
+	pmuio1-supply = <&vcc3v3_pmu>;
+	pmuio2-supply = <&vcc_1v8>;
+	vccio1-supply = <&vcc_1v8>;
+	vccio2-supply = <&vcc_1v8>;
+	vccio3-supply = <&vccio_sd>;
+	vccio4-supply = <&vcc_1v8>;
+	vccio5-supply = <&vcc_3v3>;
+	vccio6-supply = <&vcc_1v8>;
+	vccio7-supply = <&vcc_1v8>;
+	status = "okay";
+};
+
+&saradc {
+	vref-supply = <&vcca_1v8>;
+	status = "okay";
+};
+
+/*emmc on som*/
+&sdhci {
+	bus-width = <8>;
+	max-frequency = <160000000>;
+	non-removable;
+	pinctrl-names = "default";
+	pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd &emmc_datastrobe>;
+	vmmc-supply = <&vcc_3v3>;
+	vqmmc-supply = <&vcc_1v8>;
+	status = "okay";
+};
+
+/* has no sdcard in device, but has in evm board: rm? */
+&sdmmc0 {
+	bus-width = <4>;
+	cap-sd-highspeed;
+	cd-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;
+	disable-wp;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>;
+	sd-uhs-sdr50;
+	vmmc-supply = <&vcc3v3_sd>;
+	vqmmc-supply = <&vccio_sd>;
+	status = "disabled";
+};
+
+&tsadc {
+	rockchip,hw-tshut-mode = <1>;
+	rockchip,hw-tshut-polarity = <0>;
+	status = "okay";
+};
+
+/* SMARC: SER1 (console) */
+&uart2 {
+	status = "okay";
+};
+
+&vop {
+	assigned-clocks = <&cru DCLK_VOP0>, <&cru DCLK_VOP1>;
+	assigned-clock-parents = <&pmucru PLL_HPLL>, <&cru PLL_VPLL>;
+	status = "disabled";
+};
+
+&vop_mmu {
+	status = "disabled";
+};
+
+/* SMARC: SATA1 */
+&sata1 {
+	/* enable sata1_actled */
+	pinctrl-names = "default";
+	pinctrl-0 = <&sata1_pins>;
+};
+
+/* SMARC: I2C_GP*/
+&i2c3 {
+	pinctrl-0 = <&i2c3m0_xfer>;
+	status = "okay";
+	eeprom50: eeprom@50 {
+		compatible = "atmel,24c02";
+		reg = <0x50>;
+	};
+};
+
+/* SMARC: I2C_CAM0*/
+&i2c4 {
+	pinctrl-0 = <&i2c4m0_xfer>;
+};
+
+/* SMARC: SER2 */
+&uart4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart4m1_xfer>;
+};
+
+/* SMARC: SER3 */
+&uart5 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart5m1_xfer>;
+};
+
+/* SMARC: SER0 */
+&uart8 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart8m0_xfer &uart8m0_ctsn &uart8m0_rtsn>;
+};
+
+&spi0 {
+	pinctrl-0 = <&spi0m0_cs0 &spi0m0_pins>;
+	pinctrl-0 = <&spi0m0_cs0_hs &spi0m0_pins_hs>;
+};
+
+&gpio0 {
+	gpio-line-names =
+		"GPIO0_A0","GPIO0_A1","GPIO0_A2","GPIO0_A3","GPIO0_A4","GPIO0_A5","GPIO0_A6","GPIO0_A7",
+		"GPIO0_B0","GPIO0_B1","GPIO0_B2","GPIO0_B3","GPIO0_B4","GPIO0_B5","GPIO0_B6","GPIO0_B7",
+		"GPIO0_C0","GPIO0_C1","GPIO0_C2","GPIO0_C3","GPIO0_C4","GPIO0_C5","GPIO0_C6","GPIO0_C7",
+		"GPIO0_D0","GPIO0_D1","GPIO0_D2","GPIO0_D3","GPIO0_D4","GPIO0_D5","GPIO0_D6","GPIO0_D7";
+};
+
+&gpio1 {
+	gpio-line-names =
+		"GPIO1_A0","GPIO1_A1","GPIO1_A2","GPIO1_A3","GPIO1_A4","GPIO1_A5","GPIO1_A6","GPIO1_A7",
+		"GPIO1_B0","GPIO1_B1","GPIO1_B2","GPIO1_B3","GPIO1_B4","GPIO1_B5","GPIO1_B6","GPIO1_B7",
+		"GPIO1_C0","GPIO1_C1","GPIO1_C2","GPIO1_C3","GPIO1_C4","GPIO1_C5","GPIO1_C6","GPIO1_C7",
+		"GPIO1_D0","GPIO1_D1","SMARC_GPIO10","GPIO1_D3","SMARC_GPIO11","GPIO1_D5","GPIO1_D6","GPIO1_D7"; // GPIO10 GPIO11 only on som version v2!
+};
+
+&gpio2 {
+	gpio-line-names =
+		"GPIO2_A0","GPIO2_A1","GPIO2_A2","GPIO2_A3","GPIO2_A4","GPIO2_A5","GPIO2_A6","GPIO2_A7",
+		"GPIO2_B0","GPIO2_B1","GPIO2_B2","GPIO2_B3","GPIO2_B4","GPIO2_B5","GPIO2_B6","GPIO2_B7",
+		"GPIO2_C0","GPIO2_C1","GPIO2_C2","GPIO2_C3","GPIO2_C4","GPIO2_C5","GPIO2_C6","GPIO2_C7",
+		"GPIO2_D0","GPIO2_D1","GPIO2_D2","GPIO2_D3","GPIO2_D4","GPIO2_D5","GPIO2_D6","GPIO2_D7";
+};
+
+&gpio3 {
+	gpio-line-names =
+		"GPIO3_A0","GPIO3_A1","GPIO3_A2","GPIO3_A3","GPIO3_A4","GPIO3_A5","GPIO3_A6","GPIO3_A7",
+		"GPIO3_B0","GPIO3_B1","GPIO3_B2","GPIO3_B3","GPIO3_B4","GPIO3_B5","GPIO3_B6","GPIO3_B7",
+		"GPIO3_C0","GPIO3_C1","GPIO3_C2","GPIO3_C3","GPIO3_C4","GPIO3_C5","GPIO3_C6","GPIO3_C7",
+		"GPIO3_D0","GPIO3_D1", "SMARC_GPIO3",  "SMARC_GPIO1",  "SMARC_GPIO2",  "SMARC_GPIO0","GPIO3_D6","GPIO3_D7";
+};
+
+&gpio4 {
+	gpio-line-names =
+		"GPIO4_A0","GPIO4_A1","GPIO4_A2","GPIO4_A3","GPIO4_A4","GPIO4_A5","GPIO4_A6","GPIO4_A7",
+		"GPIO4_B0","GPIO4_B1","GPIO4_B2","GPIO4_B3","GPIO4_B4","GPIO4_B5","GPIO4_B6","GPIO4_B7",
+		"GPIO4_C0","GPIO4_C1","GPIO4_C2","GPIO4_C3","GPIO4_C4","GPIO4_C5","GPIO4_C6","GPIO4_C7",
+		"GPIO4_D0","GPIO4_D1","GPIO4_D2","GPIO4_D3","GPIO4_D4","GPIO4_D5","GPIO4_D6","GPIO4_D7";
+};
+
+
+&gpio3 {
+
+	/* muxes on SOM module */
+
+	/* rockcip combphy1(multi_phy1) work or in sata mode or in USB3 SS mode */
+	/* gpio ctrl on SMARC module: mux combphy1 or to "SMARC SATA1" or to "SMARC USB3_HOST1_SS" */
+	/* SATA(SMARC SATA1): SMARC pins: P48,P49,P51,P52 */
+	/* USB3(SMARC USB3_HOST1_SS) SMARC pins: S71,S72,S74,S75 */
+	sata_usb3_mux_hog: sata_usb3_mux_hog {
+		gpio-hog;
+		gpios = <RK_PB5 GPIO_ACTIVE_HIGH>;
+		/* output-low; */ /* SMARC SATA1 */
+		/* output-high; */ /* SMARC USB3_HOST1_SS */
+	};
+
+	/* gpio ctrl on SMARC module: select SMARC pins S139/S140 func: CAN or I2C */
+	/* on SMARC pins  S139/S140: or CAN(SMARC CAN1) or i2c (I2C_LCD) */
+	can_i2c2_mux_hog: can_i2c2_mux_hog {
+		gpio-hog;
+		gpios = <RK_PD1 GPIO_ACTIVE_HIGH>;
+		/* output-low; */ /* CAN */
+		/* output-high; */ /* i2c */
+	};
+};
+
+
+
+/*2023.06.12: no CAN in mainline kernel now*/
+/ {
+	can0: can@fe570000 {
+		compatible = "rockchip,canfd-1.0";
+		reg = <0x0 0xfe570000 0x0 0x1000>;
+		interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru CLK_CAN0>, <&cru PCLK_CAN0>;
+		clock-names = "baudclk", "apb_pclk";
+		resets = <&cru SRST_CAN0>, <&cru SRST_P_CAN0>;
+		reset-names = "can", "can-apb";
+		tx-fifo-depth = <1>;
+		rx-fifo-depth = <6>;
+		status = "disabled";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&can0m0_pins>;
+	};
+
+	can2: can@fe590000 {
+		compatible = "rockchip,canfd-1.0";
+		reg = <0x0 0xfe590000 0x0 0x1000>;
+		interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru CLK_CAN2>, <&cru PCLK_CAN2>;
+		clock-names = "baudclk", "apb_pclk";
+		resets = <&cru SRST_CAN2>, <&cru SRST_P_CAN2>;
+		reset-names = "can", "can-apb";
+		tx-fifo-depth = <1>;
+		rx-fifo-depth = <6>;
+		status = "disabled";
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&can2m0_pins>;
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-telematika-smtm.dts b/arch/arm64/boot/dts/rockchip/rk3568-telematika-smtm.dts
new file mode 100644
index 000000000000..535c88fcef20
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3568-telematika-smtm.dts
@@ -0,0 +1,368 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+#include <dt-bindings/soc/rockchip,vop2.h>
+#include "rk3568-inmys-smarc-som_v2.dtsi"
+
+/ {
+	model = "SM_TM Motherboard with NMS-SM-RK3568";
+	compatible = "telematika,rk3568-sm-tm", "inmys,rk3568-smarc-som", "rockchip,rk3568";
+
+	leds {
+		compatible = "gpio-leds";
+
+		/* i2c mux on Mother board ( D15_i2cmux@74 )*/
+		i2cmux_reset {
+			gpios = <&gpio3 RK_PD5 GPIO_ACTIVE_HIGH>;
+			default-state = "off"; //on - mux in reset, off - no reset on mux
+		};
+	};
+
+	watchdog: watchdog {
+		/* on stm8 MCU, by gpio */
+		compatible = "linux,wdt-gpio";
+		gpios = <&gpio1 RK_PD3 GPIO_ACTIVE_HIGH>;
+		hw_algo = "toggle";
+		hw_margin_ms = <1600>;
+	};
+
+	vcc24v_dcin: vcc24v-dcin {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc24v_dcin";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <24000000>;
+		regulator-max-microvolt = <24000000>;
+	};
+
+	vcc5v0_mb: vcc5v0-mb {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_mb";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc24v_dcin>;
+	};
+
+	vcc3v3_mb: vcc3v3-mb {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc3v3_mb";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc24v_dcin>;
+	};
+};
+
+&smarc_vdd_in{
+	/* 5V to SOM */
+	vin-supply = <&vcc5v0_mb>;
+};
+
+&gmac0 {
+	status = "okay";
+};
+
+&gmac1 {
+	status = "okay";
+};
+
+
+/* HDMI output */
+/{
+	hdmi-con {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_con_in: endpoint {
+				remote-endpoint = <&hdmi_out_con>;
+			};
+		};
+	};
+};
+
+&gpu {
+	status = "okay";
+};
+
+&hdmi {
+	status = "okay";
+};
+
+&hdmi_in {
+	hdmi_in_vp0: endpoint {
+		remote-endpoint = <&vp0_out_hdmi>;
+	};
+};
+
+&hdmi_out {
+	hdmi_out_con: endpoint {
+		remote-endpoint = <&hdmi_con_in>;
+	};
+};
+
+&vop {
+	status = "okay";
+};
+
+&vop_mmu {
+	status = "okay";
+};
+
+&vp0 {
+	vp0_out_hdmi: endpoint@ROCKCHIP_VOP2_EP_HDMI0 {
+		reg = <ROCKCHIP_VOP2_EP_HDMI0>;
+		remote-endpoint = <&hdmi_in_vp0>;
+	};
+};
+
+&hdmi_sound {
+	status = "okay";
+};
+
+&i2s0_8ch {
+	status = "okay";
+};
+
+
+/* end HDMI */
+
+
+/* mini PCIE connector */
+&combphy2 {
+	status = "okay";
+};
+
+&pcie2x1 {
+	status = "okay";
+};
+/* end mini PCIE connector */
+
+
+/* has no sdcard on Motherboard, but has in evm board: rm? */
+&sdmmc0 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&uart4 {
+	status = "okay";
+};
+
+&uart5 {
+	status = "okay";
+};
+
+&uart8 {
+	status = "okay";
+};
+
+
+/* usb*/
+&usb2phy0 {
+	status = "okay";
+};
+
+&usb2phy0_host {
+	/*phy-supply = <&vcc5v0_usb_host>;*/
+	status = "okay";
+};
+
+&usb2phy0_otg {
+	/*phy-supply = <&vcc5v0_usb_otg>;*/
+	status = "okay";
+};
+
+&usb_host0_ehci {
+	status = "okay";
+};
+
+&usb_host0_ohci {
+	status = "okay";
+};
+
+&usb_host0_xhci {
+	/*extcon = <&usb2phy0>;*/
+	status = "okay";
+};
+
+
+/* */
+&usb2phy1 {
+	status = "okay";
+};
+
+&usb2phy1_host {
+	/*phy-supply = <&vcc5v0_usb_host>;*/
+	status = "okay";
+};
+
+&usb2phy1_otg {
+	/*phy-supply = <&vcc5v0_usb_host>;*/
+	status = "okay";
+};
+
+&usb_host1_ehci {
+	status = "okay";
+};
+
+&usb_host1_ohci {
+	status = "okay";
+};
+
+&usb_host1_xhci {
+	status = "okay";
+};
+
+
+/* SATA to m.2 connector */
+&combphy1 {
+	status = "okay";
+};
+
+&sata1 {
+        status = "okay";
+};
+/* end SATA to m.2 connector */
+
+/* SMARC: I2C_GP */
+&i2c3{
+	status = "okay";
+	D15_i2cmux@74 {
+		compatible = "nxp,pca9546";
+		reg = <0x74>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		// vcc-supply = <&regulator_i2c_3v3>;
+		// vcc-pullup-supply = <&regulator_i2c_3v3>;
+		i2c-mux-idle-disconnect;
+		I2C_MPCI: ch@0 { /* to mini PCIE connector */
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+		I2C_GP_A: ch@1 { /* to stm8 (watchdog) */
+			reg = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+		I2C_DSI0: ch@2 { /* not connected */
+			reg = <2>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+		I2C_DSI1: ch@3 { /* not connected */
+			reg = <3>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+	};
+};
+
+/{
+	leds{
+		/* rs485/422 A config pins*/
+		rs_A_fullduplex_mode{
+			gpios = <&gpio3 RK_PD4 GPIO_ACTIVE_HIGH>;
+			default-state = "on"; //on - RS422, off - RS485
+		};
+		rs_A_therm_AB{
+			gpios = <&gpio1 RK_PA7 GPIO_ACTIVE_HIGH>;
+			default-state = "off"; //on - enable 120 Ohm resistor on AB line
+		};
+		rs_A_therm_XY{
+			gpios = <&gpio1 RK_PA5 GPIO_ACTIVE_HIGH>;
+			default-state = "off"; //on - enable 120 Ohm resistor on XY line
+		};
+
+		/* rs485/422 B config pins*/
+		rs_B_fullduplex_mode {
+			gpios = <&gpio3 RK_PD2 GPIO_ACTIVE_HIGH>;
+			default-state = "on"; //on - RS422, off - RS485
+		};
+		rs_B_therm_AB {
+			gpios = <&gpio4 RK_PC0 GPIO_ACTIVE_HIGH>;
+			default-state = "on"; //on - enable 120 Ohm resistor on AB line
+		};
+		rs_B_therm_XY {
+			gpios = <&gpio1 RK_PA3 GPIO_ACTIVE_HIGH>;
+			default-state = "on"; //on - enable 120 Ohm resistor on XY line
+		};
+	};
+};
+
+&spi0 {
+	status = "okay";
+	spi2uart@0 {
+		/* spi -> two rs485/422 (A,B) */
+		compatible = "nxp,sc16is752";
+		reg = <0>; /*cs0*/
+		spi-max-frequency = <500000>; /*sc16is752: max 4MHz*/
+		clock-frequency = <14745600>;
+		interrupt-parent = <&gpio4>;
+		interrupts = <RK_PC3 IRQ_TYPE_LEVEL_LOW>; /* 8*2+3 */
+	};
+};
+
+
+/{
+	leds {
+		/*CAN A config pins*/
+		CAN_A_therm {
+			gpios = <&gpio4 RK_PC6 GPIO_ACTIVE_HIGH>;
+			default-state = "on"; //on - enable 120 Ohm resistor
+		};
+
+	};
+};
+
+&can0 { /* SMARC CAN0 -> CAN A */
+	status = "okay";
+};
+
+/{
+	leds {
+		/*CAN B config pins*/
+		CAN_B_therm {
+			gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_HIGH>;
+			default-state = "on"; //on - enable 120 Ohm resistor
+		};
+	};
+};
+
+&can2 { /* SMARC CAN1 -> CAN B */
+	status = "okay";
+};
+
+&sata_usb3_mux_hog {
+	output-low; /* SMARC SATA1 */
+	/*output-high;*/ /* SMARC USB3_HOST1_SS */
+
+	/* selected SMARC SATA1 -> go to m.2 connector*/
+};
+
+&can_i2c2_mux_hog {
+	output-low;  /* CAN */
+	/* output-high; */ /* i2c */
+
+	/* selected CAN -> CAN interface on pins S139/S140 */
+};
+
+&gpio3 {
+
+	/* gpio ctrl on Mother board: spi->uart IC(spi2uart@0) reset*/
+	spi2uart_reset_hog {
+		gpio-hog;
+		gpios = <RK_PD3 GPIO_ACTIVE_HIGH>;
+		output-high; /*no reset */
+	};
+};
-- 
2.42.1