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Commit 361df779 authored by Martyn Welch's avatar Martyn Welch Committed by Tony Lindgren
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ARM: dts: am335x: Add support for Bosch Guardian 



The Bosch Guardian is a TI am335x based device.

It's hardware specifications are as follows:

 * 256 MB DDR3 memory
 * 512 MB NAND Flash
 * USB OTG
 * RS232
 * MicroSD external storage
 * LCD Display interface

Signed-off-by: default avatarMartyn Welch <martyn.welch@collabora.com>
[tony@atomide.com: updated to use #include]
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 1f4f84e9

arch/arm/boot/dts/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -719,6 +719,7 @@ dtb-$(CONFIG_SOC_AM33XX) += \ 
	am335x-cm-t335.dtb \

	am335x-evm.dtb \

	am335x-evmsk.dtb \

	am335x-guardian.dtb \

	am335x-icev2.dtb \

	am335x-lxm.dtb \

	am335x-moxa-uc-2101.dtb \

arch/arm/boot/dts/am335x-guardian.dts

0 → 100644
+511 −0
Original line number Diff line number Diff line 
// 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";

		#address-cells = <1>;

		#size-cells = <0>;

		pinctrl-names = "default";

		pinctrl-0 = <&gpio_keys_pins>;



		button21 {

			label = "guardian-power-button";

			linux,code = <KEY_POWER>;

			gpios = <&gpio2 21 0>;

			wakeup-source;

		};

	};



	leds {

		compatible = "gpio-leds";

		pinctrl-names = "default";

		pinctrl-0 = <&leds_pins>;



		led1 {

			label = "green:heartbeat";

			gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>;

			linux,default-trigger = "heartbeat";

			default-state = "off";

		};



		led2 {

			label = "green:mmc0";

			gpios = <&gpio1 26 GPIO_ACTIVE_HIGH>;

			linux,default-trigger = "mmc0";

			default-state = "off";

		};

	};



	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 = <44>;

		gpmc,cs-wr-off-ns = <44>;

		gpmc,adv-on-ns = <6>;

		gpmc,adv-rd-off-ns = <34>;

		gpmc,adv-wr-off-ns = <44>;

		gpmc,we-on-ns = <0>;

		gpmc,we-off-ns = <40>;

		gpmc,oe-on-ns = <0>;

		gpmc,oe-off-ns = <54>;

		gpmc,access-ns = <64>;

		gpmc,rd-cycle-ns = <82>;

		gpmc,wr-cycle-ns = <82>;

		gpmc,bus-turnaround-ns = <0>;

		gpmc,cycle2cycle-delay-ns = <0>;

		gpmc,clk-activation-ns = <0>;

		gpmc,wr-access-ns = <40>;

		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-env";

			reg = <0x300000 0x40000>;

		};



		partition@7 {

			label = "u-boot-env.backup1";

			reg = <0x340000 0x40000>;

		};



		partition@8 {

			label = "UBI";

			reg = <0x380000 0x1fc80000>;

		};

	};

};



&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";

};



&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 &gpio_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)

		>;

	};



	gpio_keys_pins: pinmux_gpio_keys_pins {

		pinctrl-single,pins = <

			AM33XX_IOPAD(0x940, PIN_INPUT | MUX_MODE7)

		>;

	};



	gpio_pins: pinmux_gpio_pins {

		pinctrl-single,pins = <

			AM33XX_IOPAD(0x928, PIN_OUTPUT | MUX_MODE7)

			AM33XX_IOPAD(0x990, PIN_OUTPUT | 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)

		>;

	};



	leds_pins: pinmux_leds_pins {

		pinctrl-single,pins = <

			AM33XX_IOPAD(0x868, PIN_OUTPUT | MUX_MODE7)

			AM33XX_IOPAD(0x86c, 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)

		>;

	};



	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)

		>;

	};

};