arm: octeontx2: Add dtsi/dts files for Octeon TX2 CN913x DB

This patch adds the dtsi/dts files needed to support the Marvell
Octeon TX2 CN913x DB. This is only the base port with not all
interfaces supported fully.

Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/arch/arm/dts/cn9130-db.dtsi b/arch/arm/dts/cn9130-db.dtsi
new file mode 100644
index 0000000..1b28732
--- /dev/null
+++ b/arch/arm/dts/cn9130-db.dtsi
@@ -0,0 +1,316 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018-2021 Marvell International Ltd.
+ */
+
+#include "cn9130.dtsi" /* include SoC device tree */
+#include "cn9130-db-dev-info.dtsi"
+
+/ {
+	model = "DB-CN-9130";
+	compatible = "marvell,cn9130-db", "marvell,cn91xx", "marvell,cn9030-vd",
+		     "marvell,cn9030", "marvell,armada-ap806-quad",
+		     "marvell,armada-ap806";
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	aliases {
+		i2c0 = &cp0_i2c0;
+		gpio0 = &ap_gpio0;
+		gpio1 = &cp0_gpio0;
+		gpio2 = &cp0_gpio1;
+	};
+
+	memory@00000000 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x80000000>;
+	};
+
+	cp0 {
+		config-space {
+			i2c@701000 {
+				/* U36 */
+				expander0: pca953x@21 {
+					compatible = "nxp,pca9555";
+					#gpio-cells = <2>;
+					reg = <0x21>;
+					status = "okay";
+				};
+			};
+			sdhci@780000 {
+				vqmmc-supply = <&cp0_reg_sd_vccq>;
+				vmmc-supply = <&cp0_reg_sd_vcc>;
+			};
+
+			ap_reg_mmc_vccq: ap_mmc_vccq@0 {
+				compatible = "regulator-gpio";
+				regulator-name = "ap_mmc_vccq";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				gpios = <&expander0 8 GPIO_ACTIVE_HIGH>;
+				states = <1800000 0x1
+					  3300000 0x0>;
+			};
+			cp0_reg_usb3_vbus0: cp0_usb3_vbus@0 {
+				compatible = "regulator-fixed";
+				regulator-name = "cp0-xhci0-vbus";
+				regulator-min-microvolt = <5000000>;
+				regulator-max-microvolt = <5000000>;
+				startup-delay-us = <100000>;
+				regulator-force-boot-off;
+				gpio = <&expander0 0 GPIO_ACTIVE_HIGH>;
+			};
+
+			cp0_reg_usb3_vbus1: cp0_usb3_vbus@1 {
+				compatible = "regulator-fixed";
+				regulator-name = "cp0-xhci1-vbus";
+				regulator-min-microvolt = <5000000>;
+				regulator-max-microvolt = <5000000>;
+				startup-delay-us = <100000>;
+				regulator-force-boot-off;
+				gpio = <&expander0 1 GPIO_ACTIVE_HIGH>;
+			};
+			cp0_reg_sd_vccq: cp0_sd_vccq@0 {
+				compatible = "regulator-gpio";
+				regulator-name = "cp0_sd_vccq";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				gpios = <&expander0 15 GPIO_ACTIVE_HIGH>;
+				states = <1800000 0x1
+					  3300000 0x0>;
+			};
+			cp0_reg_sd_vcc: cp0_sd_vcc@0 {
+				compatible = "regulator-fixed";
+				regulator-name = "cp0_sd_vcc";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				gpio = <&expander0 14 GPIO_ACTIVE_HIGH>;
+				enable-active-high;
+				regulator-always-on;
+			};
+			cp0_reg_usb3_current_lim0:cp0_usb3_current_limiter@0 {
+				compatible = "regulator-fixed";
+				regulator-min-microamp = <900000>;
+				regulator-max-microamp = <900000>;
+				regulator-force-boot-off;
+				gpio = <&expander0 4 GPIO_ACTIVE_HIGH>;
+			};
+
+			cp0_reg_usb3_current_lim1: cp0_usb3_current_limiter@1 {
+				compatible = "regulator-fixed";
+				regulator-min-microamp = <900000>;
+				regulator-max-microamp = <900000>;
+				regulator-force-boot-off;
+				gpio = <&expander0 5 GPIO_ACTIVE_HIGH>;
+			};
+		};
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+/*
+ * AP related configuration
+ */
+&ap_pinctl {
+	/* MPP Bus:
+	 * SDIO  [0-10, 12]
+	 * UART0 [11,19]
+	 */
+		/*   0 1 2 3 4 5 6 7 8 9 */
+	pin-func = < 1 1 1 1 1 1 1 1 1 1
+		     1 3 1 0 0 0 0 0 0 3 >;
+};
+
+/* on-board eMMC - U9 */
+&ap_sdhci0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&ap_emmc_pins>;
+	vqmmc-supply = <&ap_reg_mmc_vccq>;
+	bus-width = <8>;
+	mmc-ddr-1_8v;
+	mmc-hs400-1_8v;
+	status = "okay";
+};
+
+/*
+ * CP related configuration
+ */
+&cp0_pinctl {
+	cp0_nand_pins: cp0-nand-pins {
+		marvell,pins = <15 16 17 18 19 20 21 22 23 24 25 26 27 >;
+		marvell,function = <1>;
+	};
+	cp0_nand_rb: cp0-nand-rb {
+		marvell,pins = < 13 >;
+		marvell,function = <2>;
+	};
+};
+
+/*
+ * CP0
+ */
+&cp0_i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&cp0_i2c0_pins>;
+	status = "okay";
+	clock-frequency = <100000>;
+};
+
+&cp0_i2c1 {
+	status = "okay";
+};
+
+/* CON 28 */
+&cp0_sdhci0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&cp0_sdhci_pins>;
+	bus-width = <4>;
+	status = "okay";
+};
+
+/* U54 */
+&cp0_nand {
+	pinctrl-names = "default";
+	pinctrl-0 = <&cp0_nand_pins &cp0_nand_rb>;
+	status = "disabled";
+};
+
+/* U55 */
+&cp0_spi1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&cp0_spi0_pins>;
+	reg = <0x700680 0x50>,		/* control */
+	      <0x2000000 0x1000000>,	/* CS0 */
+	      <0 0xffffffff>,		/* CS1 */
+	      <0 0xffffffff>,		/* CS2 */
+	      <0 0xffffffff>;		/* CS3 */
+	status = "disabled";
+
+	spi-flash@0 {
+		#address-cells = <0x1>;
+		#size-cells = <0x1>;
+		compatible = "jedec,spi-nor", "spi-flash";
+		reg = <0x0>;
+		/* On-board MUX does not allow higher frequencies */
+		spi-max-frequency = <40000000>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "U-Boot";
+				reg = <0x0 0x200000>;
+			};
+
+			partition@400000 {
+				label = "Filesystem";
+				reg = <0x200000 0xe00000>;
+			};
+		};
+	};
+};
+
+&cp0_comphy {
+	phy0 {
+		phy-type = <COMPHY_TYPE_PEX0>;
+	};
+
+	phy1 {
+		phy-type = <COMPHY_TYPE_PEX0>;
+	};
+
+	phy2 {
+		phy-type = <COMPHY_TYPE_PEX0>;
+	};
+
+	phy3 {
+		phy-type = <COMPHY_TYPE_PEX0>;
+	};
+
+	phy4 {
+		phy-type = <COMPHY_TYPE_SFI0>;
+		phy-speed = <COMPHY_SPEED_10_3125G>;
+	};
+
+	phy5 {
+		phy-type = <COMPHY_TYPE_SATA1>;
+	};
+};
+
+/* SLM-1521-V2, CON6 */
+&cp0_pcie0 {
+	num-lanes = <4>;
+	status = "disabled";
+};
+
+&cp0_mdio {
+	status = "okay";
+	phy0: ethernet-phy@0 {
+		reg = <0>;
+	};
+	phy1: ethernet-phy@1 {
+		reg = <1>;
+	};
+};
+
+&cp0_ethernet {
+	status = "okay";
+};
+
+/* SLM-1521-V2, CON9 */
+&cp0_eth0 {
+	status = "okay";
+	phy-mode = "sfi";
+};
+
+/* CON56 */
+&cp0_eth1 {
+	status = "okay";
+	phy = <&phy0>;
+	phy-mode = "rgmii-id";
+};
+
+/* CON57 */
+&cp0_eth2 {
+	status = "okay";
+	phy = <&phy1>;
+	phy-mode = "rgmii-id";
+};
+
+/* SLM-1521-V2, CON2 */
+&cp0_sata0 {
+	status = "okay";
+};
+
+&cp0_utmi0 {
+	status = "okay";
+};
+
+&cp0_utmi1 {
+	status = "okay";
+};
+
+&cp0_usb3_0 {
+	status = "okay";
+	vbus-supply = <&cp0_reg_usb3_vbus0>;
+	current-limiter = <&cp0_reg_usb3_current_lim0>;
+	vbus-disable-delay = <500>;
+};
+
+&cp0_usb3_1 {
+	status = "okay";
+	vbus-supply = <&cp0_reg_usb3_vbus1>;
+	current-limiter = <&cp0_reg_usb3_current_lim1>;
+	vbus-disable-delay = <500>;
+};
+
+&cp0_pcie0 {
+	status = "okay";
+};