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Subject[PATCH] ARM: dts: am335x: Add support for Bosch Guardian
Date
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@collabora.com>

---

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
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