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
---
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 ..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
+#include
+
+/ {
+ 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@8000 {
+ device_type = "memory";
+ reg = <0x8000 0x1000>; /* 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 = ;
+ 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 = <900>;
+ 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 = <330>;
+ regulator-max-microvolt = <330>;
+ };
+};
+
+&cppi41dma {
+ status = "okay";
