// 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>;
ti,clock-source = <0x01>;
};
vmmcsd_fixed: regulator-3v3 {
compatible = "regulator-fixed";
regulator-name = "vmmcsd_fixed";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
};
&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";
};
&usb0 {
dr_mode = "peripheral";
};
&usb1 {
dr_mode = "host";
};
&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)
>;
};
};
