arch/arm/dts/am335x-guardian.dts

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
 * Copyright (C) 2018 Robert Bosch Power Tools GmbH
 */
/dts-v1/;

#include "am33xx.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	model = "Bosch AM335x Guardian";
	compatible = "bosch,am335x-guardian", "ti,am33xx";

	chosen {
		stdout-path = &uart0;
		tick-timer = &timer2;
	};

	cpus {
		cpu@0 {
			cpu0-supply = <&dcdc2_reg>;
		};
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0x10000000>; /* 256 MB */
	};

	gpio_keys {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&guardian_button_pins>;

		select-button {
			label = "guardian-select-button";
			linux,code = <KEY_5>;
			gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};

		power-button {
			label = "guardian-power-button";
			linux,code = <KEY_POWER>;
			gpios = <&gpio2 21 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&guardian_led_pins>;

		life-led {
			label = "guardian:life-led";
			gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
			default-state = "on";
		};
	};

	panel {
		compatible = "ti,tilcdc,panel";
		pinctrl-names = "default", "sleep";
		pinctrl-0 = <&lcd_pins_default &lcd_disen_pins>;
		pinctrl-1 = <&lcd_pins_sleep>;

		display-timings {
			320x240 {
				hactive         = <320>;
				vactive         = <240>;
				hback-porch     = <68>;
				hfront-porch    = <20>;
				hsync-len       = <1>;
				vback-porch     = <18>;
				vfront-porch    = <4>;
				vsync-len       = <1>;
				clock-frequency = <9000000>;
				hsync-active    = <0>;
				vsync-active    = <0>;
			};
		};
		panel-info {
			ac-bias           = <255>;
			ac-bias-intrpt    = <0>;
			dma-burst-sz      = <16>;
			bpp               = <24>;
			bus-width         = <16>;
			fdd               = <0x80>;
			sync-edge         = <0>;
			sync-ctrl         = <1>;
			raster-order      = <0>;
			fifo-th           = <0>;
		};

	};

	pwm7: dmtimer-pwm {
		compatible = "ti,omap-dmtimer-pwm";
		ti,timers = <&timer7>;
		pinctrl-names = "default";
		pinctrl-0 = <&dmtimer7_pins>;
	};

	vmmcsd_fixed: regulator-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "vmmcsd_fixed";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};
};

&cppi41dma  {
	status = "okay";
};

&elm {
	status = "okay";
};

&gpmc {
	pinctrl-names = "default";
	pinctrl-0 = <&nandflash_pins>;
	ranges = <0 0 0x08000000 0x1000000>;  /* CS0: 16MB for NAND */
	status = "okay";

	nand@0,0 {
		compatible = "ti,omap2-nand";
		reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
		interrupt-parent = <&gpmc>;
		interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
			     <1 IRQ_TYPE_NONE>; /* termcount */
		rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
		ti,nand-ecc-opt = "bch16";
		ti,elm-id = <&elm>;
		nand-bus-width = <8>;
		gpmc,device-width = <1>;
		gpmc,sync-clk-ps = <0>;
		gpmc,cs-on-ns = <0>;
		gpmc,cs-rd-off-ns = <30>;
		gpmc,cs-wr-off-ns = <30>;
		gpmc,adv-on-ns = <0>;
		gpmc,adv-rd-off-ns = <30>;
		gpmc,adv-wr-off-ns = <30>;
		gpmc,we-on-ns = <0>;
		gpmc,we-off-ns = <15>;
		gpmc,oe-on-ns = <1>;
		gpmc,oe-off-ns = <15>;
		gpmc,access-ns = <30>;
		gpmc,rd-cycle-ns = <30>;
		gpmc,wr-cycle-ns = <30>;
		gpmc,wait-on-read = "true";
		gpmc,wait-on-write = "true";
		gpmc,bus-turnaround-ns = <0>;
		gpmc,cycle2cycle-delay-ns = <0>;
		gpmc,clk-activation-ns = <0>;
		gpmc,wait-monitoring-ns = <0>;
		gpmc,wr-access-ns = <0>;
		gpmc,wr-data-mux-bus-ns = <0>;

		/*
		 * MTD partition table
		 *
		 * All SPL-* partitions are sized to minimal length which can
		 * be independently programmable. For NAND flash this is equal
		 * to size of erase-block.
		 */
		#address-cells = <1>;
		#size-cells = <1>;

		partition@0 {
			label = "SPL";
			reg = <0x0 0x40000>;
		};

		partition@1 {
			label = "SPL.backup1";
			reg = <0x40000  0x40000>;
		};

		partition@2 {
			label = "SPL.backup2";
			reg = <0x80000  0x40000>;
		};

		partition@3 {
			label = "SPL.backup3";
			reg = <0xc0000  0x40000>;
		};

		partition@4 {
			label = "u-boot";
			reg = <0x100000 0x100000>;
		};

		partition@5 {
			label = "u-boot.backup1";
			reg = <0x200000 0x100000>;
		};

		partition@6 {
			label = "u-boot-2";
			reg = <0x300000 0x100000>;
		};

		partition@7 {
			label = "u-boot-2.backup1";
			reg = <0x400000 0x100000>;
		};

		partition@8 {
			label = "u-boot-env";
			reg = <0x500000 0x40000>;
		};

		partition@9 {
			label = "u-boot-env.backup1";
			reg = <0x540000 0x40000>;
		};

		partition@10 {
			label = "splash-screen";
			reg = <0x580000 0x40000>;
		};

		partition@11 {
			label = "UBI";
			reg = <0x5c0000 0x1fa40000>;
		};
	};
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins>;
	clock-frequency = <400000>;
	status = "okay";

	tps: tps@24 {
		reg = <0x24>;
	};
};

&lcdc {
	blue-and-red-wiring = "crossed";
	status = "okay";
};

&mmc1 {
	bus-width = <0x4>;
	pinctrl-names = "default";
	pinctrl-0 = <&mmc1_pins>;
	cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
	vmmc-supply = <&vmmcsd_fixed>;
	status = "okay";
};

&rtc {
	clocks = <&clk_32768_ck>, <&clk_24mhz_clkctrl AM3_CLK_24MHZ_CLKDIV32K_CLKCTRL 0>;
	clock-names = "ext-clk", "int-clk";
	system-power-controller;
};

&spi0 {
	ti,pindir-d0-out-d1-in;
	pinctrl-names = "default";
	pinctrl-0 = <&spi0_pins>;
	status = "okay";
};

/include/ "tps65217.dtsi"

&tps {
	ti,pmic-shutdown-controller;
	interrupt-parent = <&intc>;
	interrupts = <7>; /* NMI */

	backlight {
		isel = <1>;  /* 1 - ISET1, 2 ISET2 */
		fdim = <100>; /* TPS65217_BL_FDIM_100HZ */
		default-brightness = <100>;
	};

	regulators {
		dcdc1_reg: regulator@0 {
			regulator-name = "vdds_dpr";
			regulator-always-on;
		};

		dcdc2_reg: regulator@1 {
			regulator-name = "vdd_mpu";
			regulator-min-microvolt = <925000>;
			regulator-max-microvolt = <1351500>;
			regulator-boot-on;
			regulator-always-on;
		};

		dcdc3_reg: regulator@2 {
			regulator-name = "vdd_core";
			regulator-min-microvolt = <925000>;
			regulator-max-microvolt = <1150000>;
			regulator-boot-on;
			regulator-always-on;
		};

		ldo1_reg: regulator@3 {
			regulator-name = "vio,vrtc,vdds";
			regulator-always-on;
		};

		ldo2_reg: regulator@4 {
			regulator-name = "vdd_3v3aux";
			regulator-always-on;
		};

		ldo3_reg: regulator@5 {
			regulator-name = "vdd_1v8";
			regulator-min-microvolt = <1800000>;
			regulator-max-microvolt = <1800000>;
			regulator-always-on;
		};

		ldo4_reg: regulator@6 {
			regulator-name = "vdd_3v3a";
			regulator-always-on;
		};
	};
};

&tscadc {
	status = "okay";

	adc {
		ti,adc-channels = <0 1 2 3 4 5 6>;
	};
};

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pins>;
	status = "okay";
};

&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart2_pins>;
	status = "okay";
};

&usb {
	status = "okay";
};

&usb_ctrl_mod {
	status = "okay";
};

&usb0 {
	dr_mode = "peripheral";
	status = "okay";
};

&usb0_phy {
	status = "okay";
};

&usb1 {
	dr_mode = "host";
	status = "okay";
};

&usb1_phy {
	status = "okay";
};

&am33xx_pinmux {
	pinctrl-names = "default";
	pinctrl-0 = <&clkout2_pin &guardian_interface_pins>;

	clkout2_pin: pinmux_clkout2_pin {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x9b4, PIN_OUTPUT_PULLDOWN | MUX_MODE3)
		>;
	};

	dmtimer7_pins: pinmux_dmtimer7_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x968, PIN_OUTPUT | MUX_MODE5)
		>;
	};

	guardian_button_pins: pinmux_gpio_keys_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x940, PIN_INPUT | MUX_MODE7)
			AM33XX_IOPAD(0x884, PIN_INPUT | MUX_MODE7)
		>;
	};

	guardian_interface_pins: pinmux_guardian_interface_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x928, PIN_OUTPUT          | MUX_MODE7)
			AM33XX_IOPAD(0x990, PIN_OUTPUT          | MUX_MODE7)
			AM33XX_IOPAD(0x9ac, PIN_OUTPUT_PULLDOWN | MUX_MODE7)
			AM33XX_IOPAD(0x980, PIN_INPUT           | MUX_MODE7)
			AM33XX_IOPAD(0x984, PIN_INPUT           | MUX_MODE7)
			AM33XX_IOPAD(0x928, PIN_OUTPUT_PULLUP   | MUX_MODE7)
			AM33XX_IOPAD(0x90c, PIN_OUTPUT_PULLDOWN | MUX_MODE7)
			AM33XX_IOPAD(0x944, PIN_OUTPUT_PULLDOWN | MUX_MODE7)
			AM33XX_IOPAD(0x91c, PIN_INPUT           | MUX_MODE7)
			AM33XX_IOPAD(0x918, PIN_OUTPUT_PULLDOWN | MUX_MODE7)
		>;
	};

	i2c0_pins: pinmux_i2c0_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0)
		>;
	};

	lcd_disen_pins: pinmux_lcd_disen_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x9a4, PIN_OUTPUT_PULLUP | SLEWCTRL_SLOW | MUX_MODE7)
		>;
	};

	lcd_pins_default: pinmux_lcd_pins_default {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x820, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
			AM33XX_IOPAD(0x824, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
			AM33XX_IOPAD(0x828, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
			AM33XX_IOPAD(0x82c, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
			AM33XX_IOPAD(0x830, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
			AM33XX_IOPAD(0x834, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
			AM33XX_IOPAD(0x838, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
			AM33XX_IOPAD(0x83c, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE1)
			AM33XX_IOPAD(0x8a0, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8a4, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8a8, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8ac, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8b0, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8b4, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8b8, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8bc, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8c0, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8c4, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8c8, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8cc, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8d0, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8d4, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8d8, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8dc, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8e0, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8e4, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8e8, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
			AM33XX_IOPAD(0x8ec, PIN_OUTPUT | SLEWCTRL_SLOW | MUX_MODE0)
		>;
	};

	lcd_pins_sleep: pinmux_lcd_pins_sleep {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x8a0, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8a4, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8a8, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8ac, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8b0, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8b4, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8b8, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8bc, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8c0, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8c4, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8c8, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8cc, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8d0, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8d4, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8d8, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8dc, PULL_DISABLE | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8e0, PIN_INPUT_PULLDOWN | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8e4, PIN_INPUT_PULLDOWN | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8e8, PIN_INPUT_PULLDOWN | SLEWCTRL_SLOW | MUX_MODE7)
			AM33XX_IOPAD(0x8ec, PIN_INPUT_PULLDOWN | SLEWCTRL_SLOW | MUX_MODE7)
		>;
	};

	guardian_led_pins: pinmux_leds_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x868, PIN_OUTPUT | MUX_MODE7)
		>;
	};

	mmc1_pins: pinmux_mmc1_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x960, PIN_INPUT | MUX_MODE7)
		>;
	};

	spi0_pins: pinmux_spi0_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x950, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
			AM33XX_IOPAD(0x954, PIN_OUTPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x95c, PIN_OUTPUT_PULLUP | MUX_MODE0)
		>;
	};

	uart0_pins: pinmux_uart0_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)
			AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
		>;
	};

	uart2_pins: pinmux_uart2_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x92c, PIN_INPUT_PULLUP | MUX_MODE1)
			AM33XX_IOPAD(0x930, PIN_OUTPUT_PULLDOWN | MUX_MODE1)
		>;
	};

	nandflash_pins: pinmux_nandflash_pins {
		pinctrl-single,pins = <
			AM33XX_IOPAD(0x800, PIN_INPUT | MUX_MODE0)
			AM33XX_IOPAD(0x804, PIN_INPUT | MUX_MODE0)
			AM33XX_IOPAD(0x808, PIN_INPUT | MUX_MODE0)
			AM33XX_IOPAD(0x80c, PIN_INPUT | MUX_MODE0)
			AM33XX_IOPAD(0x810, PIN_INPUT | MUX_MODE0)
			AM33XX_IOPAD(0x814, PIN_INPUT | MUX_MODE0)
			AM33XX_IOPAD(0x818, PIN_INPUT | MUX_MODE0)
			AM33XX_IOPAD(0x81c, PIN_INPUT | MUX_MODE0)
			AM33XX_IOPAD(0x870, PIN_INPUT | MUX_MODE0)
			AM33XX_IOPAD(0x874, PIN_OUTPUT | MUX_MODE0)
			AM33XX_IOPAD(0x87c, PIN_OUTPUT | MUX_MODE0)
			AM33XX_IOPAD(0x890, PIN_OUTPUT | MUX_MODE0)
			AM33XX_IOPAD(0x894, PIN_OUTPUT | MUX_MODE0)
			AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE0)
			AM33XX_IOPAD(0x89c, PIN_OUTPUT | MUX_MODE0)
		>;
	};
};