Commit 04790537 authored by Robert Nelson's avatar Robert Nelson Committed by Tony Lindgren
Browse files

ARM: dts: Add am335x-pocketbeagle 

PocketBeagle is an ultra-tiny-yet-complete open-source USB-key-fob computer.

This board family can be indentified by the A335PBGL in the at24 eeprom:
A2: [aa 55 33 ee 41 33 33 35  50 42 47 4c 30 30 41 32 |.U3.A335PBGL00A2|]

http://beagleboard.org/pocket
https://github.com/beagleboard/pocketbeagle



Signed-off-by: default avatarRobert Nelson <robertcnelson@gmail.com>
CC: Tony Lindgren <tony@atomide.com>
CC: Jason Kridner <jkridner@beagleboard.org>
CC: Drew Fustini <drew@beagleboard.org>
CC: Peter Robinson <pbrobinson@redhat.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent b74c2b21

arch/arm/boot/dts/Makefile

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@@ -688,6 +688,7 @@ dtb-$(CONFIG_SOC_AM33XX) += \ 
	am335x-pdu001.dtb \

	am335x-pepper.dtb \

	am335x-phycore-rdk.dtb \

	am335x-pocketbeagle.dtb \

	am335x-shc.dtb \

	am335x-sbc-t335.dtb \

	am335x-sl50.dtb \

arch/arm/boot/dts/am335x-osd335x-common.dtsi

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// SPDX-License-Identifier: GPL-2.0

/*

 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/

 *

 * Author: Robert Nelson <robertcnelson@gmail.com>

 */



/ {

	cpus {

		cpu@0 {

			cpu0-supply = <&dcdc2_reg>;

		};

	};



	memory@80000000 {

		device_type = "memory";

		reg = <0x80000000 0x20000000>; /* 512 MB */

	};

};



&cpu0_opp_table {

	/*

	* Octavo Systems:

	* The EFUSE_SMA register is not programmed for any of the AM335x wafers

	* we get and we are not programming them during our production test.

	* Therefore, from a DEVICE_ID revision point of view, the silicon looks

	* like it is Revision 2.1.  However, from an EFUSE_SMA point of view for

	* the HW OPP table, the silicon looks like it is Revision 1.0 (ie the

	* EFUSE_SMA register reads as all zeros).

	*/

	oppnitro-1000000000 {

		opp-supported-hw = <0x06 0x0100>;

	};

};



&am33xx_pinmux {

	i2c0_pins: pinmux-i2c0-pins {

		pinctrl-single,pins = <

			AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0)	/* (C17) I2C0_SDA.I2C0_SDA */

			AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0)	/* (C16) I2C0_SCL.I2C0_SCL */

		>;

	};

};



&i2c0 {

	pinctrl-names = "default";

	pinctrl-0 = <&i2c0_pins>;



	status = "okay";

	clock-frequency = <400000>;



	tps: tps@24 {

		reg = <0x24>;

	};

};



/include/ "tps65217.dtsi"



&tps {

	interrupts = <7>; /* NMI */

	interrupt-parent = <&intc>;



	ti,pmic-shutdown-controller;



	pwrbutton {

		interrupts = <2>;

		status = "okay";

	};



	regulators {

		dcdc1_reg: regulator@0 {

			regulator-name = "vdds_dpr";

			regulator-always-on;

		};



		dcdc2_reg: regulator@1 {

			/* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */

			regulator-name = "vdd_mpu";

			regulator-min-microvolt = <925000>;

			regulator-max-microvolt = <1351500>;

			regulator-boot-on;

			regulator-always-on;

		};



		dcdc3_reg: regulator@2 {

			/* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */

			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;

		};

	};

};



&aes {

	status = "okay";

};



&sham {

	status = "okay";

};

arch/arm/boot/dts/am335x-pocketbeagle.dts

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// SPDX-License-Identifier: GPL-2.0

/*

 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/

 *

 * Author: Robert Nelson <robertcnelson@gmail.com>

 */

/dts-v1/;



#include "am33xx.dtsi"

#include "am335x-osd335x-common.dtsi"



/ {

	model = "TI AM335x PocketBeagle";

	compatible = "ti,am335x-pocketbeagle", "ti,am335x-bone", "ti,am33xx";



	chosen {

		stdout-path = &uart0;

	};



	leds {

		pinctrl-names = "default";

		pinctrl-0 = <&usr_leds_pins>;



		compatible = "gpio-leds";



		usr0 {

			label = "beaglebone:green:usr0";

			gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;

			linux,default-trigger = "heartbeat";

			default-state = "off";

		};



		usr1 {

			label = "beaglebone:green:usr1";

			gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;

			linux,default-trigger = "mmc0";

			default-state = "off";

		};



		usr2 {

			label = "beaglebone:green:usr2";

			gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;

			linux,default-trigger = "cpu0";

			default-state = "off";

		};



		usr3 {

			label = "beaglebone:green:usr3";

			gpios = <&gpio1 24 GPIO_ACTIVE_HIGH>;

			default-state = "off";

		};

	};



	vmmcsd_fixed: fixedregulator0 {

		compatible = "regulator-fixed";

		regulator-name = "vmmcsd_fixed";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

	};

};



&am33xx_pinmux {

	i2c2_pins: pinmux-i2c2-pins {

		pinctrl-single,pins = <

			AM33XX_IOPAD(0x97c, PIN_INPUT_PULLUP | MUX_MODE3)	/* (D17) uart1_rtsn.I2C2_SCL */

			AM33XX_IOPAD(0x978, PIN_INPUT_PULLUP | MUX_MODE3)	/* (D18) uart1_ctsn.I2C2_SDA */

		>;

	};



	ehrpwm0_pins: pinmux-ehrpwm0-pins {

		pinctrl-single,pins = <

			AM33XX_IOPAD(0x990, PIN_OUTPUT_PULLDOWN | MUX_MODE1)	/* (A13) mcasp0_aclkx.ehrpwm0A */

		>;

	};



	ehrpwm1_pins: pinmux-ehrpwm1-pins {

		pinctrl-single,pins = <

			AM33XX_IOPAD(0x848, PIN_OUTPUT_PULLDOWN | MUX_MODE6)	/* (U14) gpmc_a2.ehrpwm1A */

		>;

	};



	mmc0_pins: pinmux-mmc0-pins {

		pinctrl-single,pins = <

			AM33XX_IOPAD(0x960, PIN_INPUT | MUX_MODE7)		/* (C15) spi0_cs1.gpio0[6] */

			AM33XX_IOPAD(0x8fc, PIN_INPUT_PULLUP | MUX_MODE0)	/* (G16) mmc0_dat0.mmc0_dat0 */

			AM33XX_IOPAD(0x8f8, PIN_INPUT_PULLUP | MUX_MODE0)	/* (G15) mmc0_dat1.mmc0_dat1 */

			AM33XX_IOPAD(0x8f4, PIN_INPUT_PULLUP | MUX_MODE0)	/* (F18) mmc0_dat2.mmc0_dat2 */

			AM33XX_IOPAD(0x8f0, PIN_INPUT_PULLUP | MUX_MODE0)	/* (F17) mmc0_dat3.mmc0_dat3 */

			AM33XX_IOPAD(0x904, PIN_INPUT_PULLUP | MUX_MODE0)	/* (G18) mmc0_cmd.mmc0_cmd */

			AM33XX_IOPAD(0x900, PIN_INPUT_PULLUP | MUX_MODE0)	/* (G17) mmc0_clk.mmc0_clk */

			AM33XX_IOPAD(0x9a0, PIN_INPUT | MUX_MODE4)		/* (B12) mcasp0_aclkr.mmc0_sdwp */

		>;

	};



	spi0_pins: pinmux-spi0-pins {

		pinctrl-single,pins = <

			AM33XX_IOPAD(0x950, PIN_INPUT_PULLUP | MUX_MODE0)	/* (A17) spi0_sclk.spi0_sclk */

			AM33XX_IOPAD(0x954, PIN_INPUT_PULLUP | MUX_MODE0)	/* (B17) spi0_d0.spi0_d0 */

			AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE0)	/* (B16) spi0_d1.spi0_d1 */

			AM33XX_IOPAD(0x95c, PIN_INPUT_PULLUP | MUX_MODE0)	/* (A16) spi0_cs0.spi0_cs0 */

		>;

	};



	spi1_pins: pinmux-spi1-pins {

		pinctrl-single,pins = <

			AM33XX_IOPAD(0x964, PIN_INPUT_PULLUP | MUX_MODE4)	/* (C18) eCAP0_in_PWM0_out.spi1_sclk */

			AM33XX_IOPAD(0x968, PIN_INPUT_PULLUP | MUX_MODE4)	/* (E18) uart0_ctsn.spi1_d0 */

			AM33XX_IOPAD(0x96c, PIN_INPUT_PULLUP | MUX_MODE4)	/* (E17) uart0_rtsn.spi1_d1 */

			AM33XX_IOPAD(0x9b0, PIN_INPUT_PULLUP | MUX_MODE4)	/* (A15) xdma_event_intr0.spi1_cs1 */

		>;

	};



	usr_leds_pins: pinmux-usr-leds-pins {

		pinctrl-single,pins = <

			AM33XX_IOPAD(0x854, PIN_OUTPUT | MUX_MODE7)		/* (V15) gpmc_a5.gpio1[21] - USR_LED_0 */

			AM33XX_IOPAD(0x858, PIN_OUTPUT | MUX_MODE7)		/* (U15) gpmc_a6.gpio1[22] - USR_LED_1 */

			AM33XX_IOPAD(0x85c, PIN_OUTPUT | MUX_MODE7)		/* (T15) gpmc_a7.gpio1[23] - USR_LED_2 */

			AM33XX_IOPAD(0x860, PIN_OUTPUT | MUX_MODE7)		/* (V16) gpmc_a8.gpio1[24] - USR_LED_3 */

		>;

	};



	uart0_pins: pinmux-uart0-pins {

		pinctrl-single,pins = <

			AM33XX_IOPAD(0x970, PIN_INPUT_PULLUP | MUX_MODE0)	/* (E15) uart0_rxd.uart0_rxd */

			AM33XX_IOPAD(0x974, PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* (E16) uart0_txd.uart0_txd */

		>;

	};



	uart4_pins: pinmux-uart4-pins {

		pinctrl-single,pins = <

			AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE6)	/* (T17) gpmc_wait0.uart4_rxd */

			AM33XX_IOPAD(0x874, PIN_OUTPUT_PULLDOWN | MUX_MODE6)	/* (U17) gpmc_wpn.uart4_txd */

		>;

	};

};



&epwmss0 {

	status = "okay";

};



&ehrpwm0 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&ehrpwm0_pins>;

};



&epwmss1 {

	status = "okay";

};



&ehrpwm1 {

	status = "okay";

	pinctrl-names = "default";

	pinctrl-0 = <&ehrpwm1_pins>;

};



&i2c0 {

	eeprom: eeprom@50 {

		compatible = "atmel,24c256";

		reg = <0x50>;

	};

};



&i2c2 {

	pinctrl-names = "default";

	pinctrl-0 = <&i2c2_pins>;



	status = "okay";

	clock-frequency = <400000>;

};



&mmc1 {

	status = "okay";

	vmmc-supply = <&vmmcsd_fixed>;

	bus-width = <4>;

	pinctrl-names = "default";

	pinctrl-0 = <&mmc0_pins>;

	cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;

};



&rtc {

	system-power-controller;

};



&tscadc {

	status = "okay";

	adc {

		ti,adc-channels = <0 1 2 3 4 5 6 7>;

		ti,chan-step-avg = <16 16 16 16 16 16 16 16>;

		ti,chan-step-opendelay = <0x98 0x98 0x98 0x98 0x98 0x98 0x98 0x98>;

		ti,chan-step-sampledelay = <0x0 0x0 0x0 0x0 0x0 0x0 0x0 0x0>;

	};

};



&uart0 {

	pinctrl-names = "default";

	pinctrl-0 = <&uart0_pins>;



	status = "okay";

};



&uart4 {

	pinctrl-names = "default";

	pinctrl-0 = <&uart4_pins>;



	status = "okay";

};



&usb {

	status = "okay";

};



&usb_ctrl_mod {

	status = "okay";

};



&usb0_phy {

	status = "okay";

};



&usb0 {

	status = "okay";

	dr_mode = "otg";

};



&usb1_phy {

	status = "okay";

};



&usb1 {

	status = "okay";

	dr_mode = "host";

};



&cppi41dma  {

	status = "okay";

};

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