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: Martyn Welch <martyn.welch@xxxxxxxxxxxxx> --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/am335x-guardian.dts | 511 ++++++++++++++++++++++++++ 2 files changed, 512 insertions(+) create mode 100644 arch/arm/boot/dts/am335x-guardian.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index bd40148a15b2..1ad9a6307b0a 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -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 \ diff --git a/arch/arm/boot/dts/am335x-guardian.dts b/arch/arm/boot/dts/am335x-guardian.dts new file mode 100644 index 000000000000..d8652ab014b2 --- /dev/null +++ b/arch/arm/boot/dts/am335x-guardian.dts @@ -0,0 +1,511 @@ +// 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) + >; + }; +}; -- 2.20.1