ARM: dts: am335x: Add support for Bosch Guardian
authorMartyn Welch <martyn.welch@collabora.com>
Mon, 11 Feb 2019 12:27:27 +0000 (12:27 +0000)
committerTony Lindgren <tony@atomide.com>
Tue, 12 Feb 2019 18:44:54 +0000 (10:44 -0800)
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>
arch/arm/boot/dts/Makefile
arch/arm/boot/dts/am335x-guardian.dts [new file with mode: 0644]

index bd40148..1ad9a63 100644 (file)
@@ -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 (file)
index 0000000..c9611ea
--- /dev/null
@@ -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)
+               >;
+       };
+};