> On Apr 16, 2018, at 6:08 PM, Robert Nelson <robertcnelson@xxxxxxxxx> wrote: > > PocketBeagle is an ultra-tiny-yet-complete open-source USB-key-fob computer. > > This board can be indentified by the BPxx value after A335BNLT (BBB) > in the at24 eeprom: > BPxx [aa 55 33 ee 41 33 33 35 42 4e 4c 54 42 50 30 30 |.U3.A335BNLTBP00|] The EEPROM value isn’t right. We made it PBGL instead of using BNLT. > > 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 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"; > +}; Is there anything preventing the PRU and GPIO pins from being defined? I guess the GPIO pins might not be exposed through SYSFS due to lack of upstream drivers, but could the pinmux at least be set? > -- > 2.17.0 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
