Openwrt/target/linux/ipq40xx/files/arch/arm/boot/dts/qcom-ipq4029-mr33.dts

// SPDX-License-Identifier: GPL-2.0
/*
 * Device Tree Source for Meraki MR33 (Stinkbug)
 *
 * Copyright (C) 2017 Chris Blake <chrisrblake93@gmail.com>
 * Copyright (C) 2017 Christian Lamparter <chunkeey@googlemail.com>
 *
 * Based on Cisco Meraki DTS from GPL release r25-linux-3.14-20170427
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2.  This program is licensed "as is" without
 * any warranty of any kind, whether express or implied.
 */

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

/ {
	model = "Meraki MR33 Access Point";
	compatible = "meraki,mr33";

	aliases {
		led-boot = &status_green;
		led-failsafe = &status_red;
		led-running = &status_green;
		led-upgrade = &power_orange;
	};

	/* Do we really need this defined? */
	memory {
		device_type = "memory";
		reg = <0x80000000 0x10000000>;
	};

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

		mdio@90000 {
			status = "okay";
			pinctrl-0 = <&mdio_pins>;
			pinctrl-names = "default";
		};

		/* It is a 56-bit counter that supplies the count to the ARM arch
		   timers and without upstream driver */
		counter@4a1000 {
			compatible = "qcom,qca-gcnt";
			reg = <0x4a1000 0x4>;
		};

		ess_tcsr@1953000 {
			compatible = "qcom,tcsr";
			reg = <0x1953000 0x1000>;
			qcom,ess-interface-select = <TCSR_ESS_PSGMII_RGMII5>;
		};

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

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

		serial@78b0000 {
			pinctrl-0 = <&serial_1_pins>;
			pinctrl-names = "default";
			status = "okay";

			bluetooth {
				compatible = "ti,cc2650";
				enable-gpios = <&tlmm 12 GPIO_ACTIVE_LOW>;
			};
		};

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

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

		ess-switch@c000000 {
			switch_mac_mode = <0x3>; /* mac mode for RGMII RMII */
			switch_lan_bmp = <0x0>; /* lan port bitmap */
			switch_wan_bmp = <0x10>; /* wan port bitmap */
		};

		edma@c080000 {
			qcom,single-phy;
			qcom,num_gmac = <1>;
			phy-mode = "rgmii-rxid";
			status = "okay";
		};
	};

	keys {
		compatible = "gpio-keys";

		reset {
			label = "reset";
			gpios = <&tlmm 18 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_RESTART>;
		};
	};

	leds {
		compatible = "gpio-leds";

		power_orange: power {
			label = "mr33:orange:power";
			gpios = <&tlmm 49 GPIO_ACTIVE_LOW>;
			panic-indicator;
		};
	};
};

&blsp_dma {
	status = "okay";
};

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

&cryptobam {
	status = "okay";
};

&gmac0 {
	qcom,phy_mdio_addr = <1>;
	qcom,poll_required = <1>;
	vlan_tag = <0 0x20>;
};

&blsp1_i2c3 {
	pinctrl-0 = <&i2c_0_pins>;
	pinctrl-names = "default";
	status = "okay";
	at24@50 {
		compatible = "atmel,24c64";
		pagesize = <32>;
		reg = <0x50>;
		read-only; /* This holds our MAC & Meraki board-data */
	};
};

&blsp1_i2c4 {
	pinctrl-0 = <&i2c_1_pins>;
	pinctrl-names = "default";
	status = "okay";

	led-controller@30 {
		compatible = "ti,lp5562";
		reg = <0x30>;
		clock-mode = /bits/8 <2>;
		enable-gpio = <&tlmm 48 GPIO_ACTIVE_HIGH>;

		/* RGB led */
		status_red: chan0 {
			chan-name = "mr33:red:status";
			led-cur = /bits/ 8 <0x20>;
			max-cur = /bits/ 8 <0x60>;
		};

		status_green: chan1 {
			chan-name = "mr33:green:status";
			led-cur = /bits/ 8 <0x20>;
			max-cur = /bits/ 8 <0x60>;
		};

		chan2 {
			chan-name = "mr33:blue:status";
			led-cur = /bits/ 8 <0x20>;
			max-cur = /bits/ 8 <0x60>;
		};

		chan3 {
			chan-name = "mr33:white:status";
			led-cur = /bits/ 8 <0x20>;
			max-cur = /bits/ 8 <0x60>;
		};
	};
};

&nand {
	pinctrl-0 = <&nand_pins>;
	pinctrl-names = "default";
	status = "okay";

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

			partition@0 {
				label = "sbl1";
				reg = <0x00000000 0x00100000>;
				read-only;
			};
			partition@100000 {
				label = "mibib";
				reg = <0x00100000 0x00100000>;
				read-only;
			};
			partition@200000 {
				label = "bootconfig";
				reg = <0x00200000 0x00100000>;
				read-only;
			};
			partition@300000 {
				label = "qsee";
				reg = <0x00300000 0x00100000>;
				read-only;
			};
			partition@400000 {
				label = "qsee_alt";
				reg = <0x00400000 0x00100000>;
				read-only;
			};
			partition@500000 {
				label = "cdt";
				reg = <0x00500000 0x00080000>;
				read-only;
			};
			partition@580000 {
				label = "cdt_alt";
				reg = <0x00580000 0x00080000>;
				read-only;
			};
			partition@600000 {
				label = "ddrparams";
				reg = <0x00600000 0x00080000>;
				read-only;
			};
			partition@700000 {
				label = "u-boot";
				reg = <0x00700000 0x00200000>;
				read-only;
			};
			partition@900000 {
				label = "u-boot-backup";
				reg = <0x00900000 0x00200000>;
				read-only;
			};
			partition@b00000 {
				label = "ART";
				reg = <0x00b00000 0x00080000>;
				read-only;
			};
			partition@c00000 {
				label = "ubi";
				reg = <0x00c00000 0x07000000>;
				/*
				 * Do not try to allocate the remaining
				 * 4 MiB to this ubi partition. It will
				 * confuse the u-boot and it might not
				 * find the kernel partition anymore.
				 */
			};
		};
	};
};

&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";
			status = "okay";
			reg = <0x00010000 0 0 0 0>;
		};
	};
};

&qpic_bam {
	status = "okay";
};

&tlmm {
	/*
	 * GPIO43 should be 0/1 whenever the unit is
	 * powered through PoE or AC-Adapter.
	 * That said, playing with this seems to
	 * reset the AP.
	 */

	mdio_pins: mdio_pinmux {
		mux_1 {
			pins = "gpio6";
			function = "mdio";
			bias-pull-up;
		};
		mux_2 {
			pins = "gpio7";
			function = "mdc";
			bias-pull-up;
		};
	};

	serial_0_pins: serial_pinmux {
		mux {
			pins = "gpio16", "gpio17";
			function = "blsp_uart0";
			bias-disable;
		};
	};

	serial_1_pins: serial1_pinmux {
		mux {
			/* We use the i2c-0 pins for serial_1 */
			pins = "gpio8", "gpio9";
			function = "blsp_uart1";
			bias-disable;
		};
	};

	i2c_0_pins: i2c_0_pinmux {
		pinmux {
			function = "blsp_i2c0";
			pins = "gpio20", "gpio21";
		};
		pinconf {
			pins = "gpio20", "gpio21";
			drive-strength = <16>;
			bias-disable;
		};
	};

	i2c_1_pins: i2c_1_pinmux {
		pinmux {
			function = "blsp_i2c1";
			pins = "gpio34", "gpio35";
		};
		pinconf {
			pins = "gpio34", "gpio35";
			drive-strength = <16>;
			bias-disable;
		};
	};

	nand_pins: nand_pins {
		/*
		 * There are 18 pins. 15 pins are common between LCD and NAND.
		 * The QPIC controller arbitrates between LCD and NAND. Of the
		 * remaining 4, 2 are for NAND and 2 are for LCD exclusively.
		 *
		 * The meraki source hints that the bluetooth module claims
		 * pin 52 as well. But sadly, there's no data whenever this
		 * is a NAND or LCD exclusive pin or not.
		 */

		pullups {
			pins = "gpio52", "gpio53", "gpio58",
				"gpio59";
			function = "qpic";
			bias-pull-up;
		};

		pulldowns {
			pins = "gpio54", "gpio55", "gpio56",
				"gpio57", "gpio60", "gpio61",
				"gpio62", "gpio63", "gpio64",
				"gpio65", "gpio66", "gpio67",
				"gpio68", "gpio69";
			function = "qpic";
			bias-pull-down;
		};
	};
};

&wifi0 {
	status = "okay";
	qcom,ath10k-calibration-variant = "Meraki-MR33";
};

&wifi1 {
	status = "okay";
	qcom,ath10k-calibration-variant = "Meraki-MR33";
};