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: Martyn Welch <martyn.welch@collabora.com>
[tony@atomide.com: updated to use #include]
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 511 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/am335x-guardian.dts b/arch/arm/boot/dts/am335x-guardian.dts
new file mode 100644
index 000000000000..c9611ea4b884
--- /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)
+		>;
+	};
+};