// SPDX-License-Identifier: GPL-2.0-or-later OR MIT

/*
 * Device Tree Source for Linksys EA8300 (Dallas)
 *
 * Copyright (C) 2019 Jeff Kletsky
 *
 */

/dts-v1/;

#include "qcom-ipq4019.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/soc/qcom,tcsr.h>

/ {
	model = "Linksys EA8300 (Dallas)";
	compatible = "linksys,ea8300", "qcom,ipq4019";


	aliases {
		led-boot = &led_wps_amber;
		led-failsafe = &led_wps;
		led-running = &led_linksys;
		led-upgrade = &led_world;
		serial0 = &blsp1_uart1;
	};


	leds {
		compatible = "gpio-leds";

		// Retain node names from running OEM on EA8300

		// Front panel LEDs, top to bottom

		led_plug: diag {
			label = "ea8300:amber:plug";
			gpios = <&tlmm 47 GPIO_ACTIVE_HIGH>;
		};

		led_world: internet {
			label = "ea8300:amber:world";
			gpios = <&tlmm 49 GPIO_ACTIVE_HIGH>;
		};

		led_wps: wps {
			label = "ea8300:white:wps";
			gpios = <&tlmm 46 GPIO_ACTIVE_HIGH>;
		};

		led_wps_amber: wps_amber {
			label = "ea8300:amber:wps";
			gpios = <&tlmm 22 GPIO_ACTIVE_HIGH>;
			panic-indicator;
		};

		led_linksys: pwr {
			label = "ea8300:white:linksys";
			gpios = <&tlmm 45 GPIO_ACTIVE_HIGH>;
		};

		// On back panel, above USB socket

		led_usb: usb {
			label = "ea8300:green:usb";
			gpios = <&tlmm 61 GPIO_ACTIVE_LOW>;
			trigger-sources = <&usb3_port1>, <&usb3_port2>,
					  <&usb2_port1>;
			linux,default-trigger = "usbport";
		};
	};


	keys {
		compatible = "gpio-keys";

		button@0 {
			label = "reset";
			linux,code = <KEY_RESTART>;
			gpios = <&tlmm 50 GPIO_ACTIVE_LOW>;
		};

		button@1 {
			label = "wps";
			linux,code = <KEY_WPS_BUTTON>;
			gpios = <&tlmm 18 GPIO_ACTIVE_LOW>;
		};
	};


	//
	// OEM U-Boot provides either
	// init=/sbin/init rootfstype=ubifs ubi.mtd=11,2048 \
	//                 root=ubi0:ubifs rootwait rw
	// or the same with ubi.mtd=13,2048
	//

	chosen {
		bootargs-append = " root=/dev/ubiblock0_0 rootfstype=squashfs ro";
	};


	memory {
		device_type = "memory";
		reg = <0x80000000 0x10000000>;
	};


	soc {
		rng@22000 {
			status = "okay";
		};

		mdio@90000 {
			status = "okay";
		};

		ess-psgmii@98000 {
			status = "okay";
		};

		tcsr@1949000 {
			compatible = "qcom,tcsr";
			reg = <0x1949000 0x100>;
			qcom,wifi_glb_cfg = <TCSR_WIFI_GLB_CFG>;
		};

		tcsr@194b000 {
			compatible = "qcom,tcsr";
			reg = <0x194b000 0x100>;
			qcom,usb-hsphy-mode-select = <TCSR_USB_HSPHY_HOST_MODE>;
		};

		ess_tcsr@1953000 {
			compatible = "qcom,tcsr";
			reg = <0x1953000 0x1000>;
			qcom,ess-interface-select = <TCSR_ESS_PSGMII>;
		};

		tcsr@1957000 {
			compatible = "qcom,tcsr";
			reg = <0x1957000 0x100>;
			qcom,wifi_noc_memtype_m0_m2 = <TCSR_WIFI_NOC_MEMTYPE_M0_M2>;
		};

		usb2@60f8800 {
			status = "okay";

			dwc3@6000000 {
				#address-cells = <1>;
				#size-cells = <0>;

				usb2_port1: port@1 {
					reg = <1>;
					#trigger-source-cells = <0>;
				};
			};
		};

		usb3@8af8800 {
			status = "okay";

			dwc3@8a00000 {
				#address-cells = <1>;
				#size-cells = <0>;

				usb3_port1: port@1 {
					reg = <1>;
					#trigger-source-cells = <0>;
				};

				usb3_port2: port@2 {
					reg = <2>;
					#trigger-source-cells = <0>;
				};
			};
		};

		crypto@8e3a000 {
			status = "okay";
		};

		watchdog@b017000 {
			status = "okay";
		};

		ess-switch@c000000 {
			status = "okay";
		};

		edma@c080000 {
			status = "okay";
		};
	};
};


&blsp_dma {
	status = "okay";
};

&blsp1_uart1 {
	status = "okay";
	pinctrl-0 = <&serial_0_pins>;
	pinctrl-names = "default";

};

&cryptobam {
	status = "okay";
};

&nand {
	status = "okay";

	pinctrl-0 = <&nand_pins>;
	pinctrl-names = "default";

	nand@0 {
		partitions {
			compatible = "fixed-partitions";
			#address-cells = <1>;
			#size-cells = <1>;

			partition@0 {
				label = "sbl1";
				reg = <0x0 0x100000>;
				read-only;
			};

			partition@100000 {
				label = "mibib";
				reg = <0x100000 0x100000>;
				read-only;
			};

			partition@200000 {
				label = "qsee";
				reg = <0x200000 0x100000>;
				read-only;
			};

			partition@300000 {
				label = "cdt";
				reg = <0x300000 0x80000>;
				read-only;
			};

			partition@380000 {
				label = "appsblenv";
				reg = <0x380000 0x80000>;
				read-only;
			};

			partition@400000 {
				label = "ART";
				reg = <0x400000 0x80000>;
				read-only;
			};

			partition@480000 {
				label = "appsbl";
				reg = <0x480000 0x200000>;
				read-only;
			};

			partition@680000 {
				label = "u_env";
				reg = <0x680000 0x80000>;
				// writable -- U-Boot environment
			};

			partition@700000 {
				label = "s_env";
				reg = <0x700000 0x40000>;
				// writable -- Boot counter records
			};

			partition@740000 {
				label = "devinfo";
				reg = <0x740000 0x40000>;
				read-only;
			};

			partition@780000 {
				label = "kernel";
				reg = <0x780000 0x5800000>;
			};

			partition@a80000 {
				label = "rootfs";
				reg = <0xa80000 0x5500000>;
			};

			partition@5f80000 {
				label = "alt_kernel";
				reg = <0x5f80000 0x5800000>;
			};

			partition@6280000 {
				label = "alt_rootfs";
				reg = <0x6280000 0x5500000>;
			};

			partition@b780000 {
				label = "sysdiag";
				reg = <0xb780000 0x100000>;
				read-only;
			};

			partition@b880000 {
				label = "syscfg";
				reg = <0xb880000 0x4680000>;
				read-only;
			};
		};
	};
};

&pcie0 {
	status = "okay";

	perst-gpio = <&tlmm 38 GPIO_ACTIVE_LOW>;
	wake-gpio = <&tlmm 50 GPIO_ACTIVE_LOW>;

	bridge@0,0 {
		reg = <0x00000000 0 0 0 0>;
		#address-cells = <3>;
		#size-cells = <2>;
		ranges;

		wifi2: wifi@1,0 {
			compatible = "qcom,ath10k";
			reg = <0x00010000 0 0 0 0>;
		};
	};
};

&qpic_bam {
	status = "okay";
};

&tlmm {
	serial_0_pins: serial0-pinmux {
		pins = "gpio16", "gpio17";
		function = "blsp_uart0";
		bias-disable;
	};

	nand_pins: nand_pins {
		pullups {
			pins = "gpio53", "gpio58", "gpio59";
			function = "qpic";
			bias-pull-up;
		};

		// gpio61 controls led_usb

		pulldowns {
			pins =  "gpio55", "gpio56", "gpio57",
				"gpio60", "gpio62", "gpio63",
				"gpio64", "gpio65", "gpio66",
				"gpio67", "gpio68", "gpio69";
			function = "qpic";
			bias-pull-down;
		};
	};
};

&usb2_hs_phy {
	status = "okay";
};

&usb3_hs_phy {
	status = "okay";
};

&usb3_ss_phy {
	status = "okay";
};

&wifi0 {
	status = "okay";
	qcom,ath10k-calibration-variant = "linksys-ea8300-fcc";
};

&wifi1 {
	status = "okay";
	ieee80211-freq-limit = <5170000 5330000>;
	qcom,ath10k-calibration-variant = "linksys-ea8300-fcc";
};

&wifi2 {
	status = "okay";
	ieee80211-freq-limit = <5490000 5835000>;
	qcom,ath10k-calibration-variant = "linksys-ea8300-fcc";
};