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: Robert Nelson <robertcnelson@xxxxxxxxx> CC: Tony Lindgren <tony@xxxxxxxxxxx> CC: Jason Kridner <jkridner@xxxxxxxxxxxxxxx> CC: Drew Fustini <drew@xxxxxxxxxxxxxxx> CC: Peter Robinson <pbrobinson@xxxxxxxxxx> --- Changes in v3: - Fix: Board eeprom in subject message. (accidently copied PocketBone) Changes in v2: - Use SPDX tags. - Use eeprom@50, remove repeated node and fix and remove '_' to fix node_name_chars_strict Warning - Fix: PocketBeagle Name in Subject (not PocketBeagle Blue) - Fix: leds remove '_' to fix node_name_chars_strict warning - Fix: node_name_chars_strict pinmux_*_pins label's. --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/am335x-osd335x-common.dtsi | 124 ++++++++++ arch/arm/boot/dts/am335x-pocketbeagle.dts | 237 +++++++++++++++++++ 3 files changed, 362 insertions(+) create mode 100644 arch/arm/boot/dts/am335x-osd335x-common.dtsi create mode 100644 arch/arm/boot/dts/am335x-pocketbeagle.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 7e2424957809..5a09ff15743b 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -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 \ diff --git a/arch/arm/boot/dts/am335x-osd335x-common.dtsi b/arch/arm/boot/dts/am335x-osd335x-common.dtsi new file mode 100644 index 000000000000..d2150d207b7a --- /dev/null +++ b/arch/arm/boot/dts/am335x-osd335x-common.dtsi @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + * + * Author: Robert Nelson <robertcnelson@xxxxxxxxx> + */ + +/ { + 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"; +}; diff --git a/arch/arm/boot/dts/am335x-pocketbeagle.dts b/arch/arm/boot/dts/am335x-pocketbeagle.dts new file mode 100644 index 000000000000..62fe5cab9fae --- /dev/null +++ b/arch/arm/boot/dts/am335x-pocketbeagle.dts @@ -0,0 +1,237 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + * + * Author: Robert Nelson <robertcnelson@xxxxxxxxx> + */ +/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"; +}; -- 2.17.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
