[PATCH] ARM: dts: Add am335x-pocketbeagle
Robert Nelson
robertcnelson at gmail.com
Mon Apr 16 15:06:14 PDT 2018
Thanks Rob,
All fixed, posting v2 shortly..
On Mon, Apr 16, 2018 at 3:21 PM, Rob Herring <robh at kernel.org> wrote:
> On Mon, Apr 16, 2018 at 2:29 PM, Robert Nelson <robertcnelson at gmail.com> wrote:
>> PocketBeagle Blue 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|]
>>
>> http://beagleboard.org/pocket
>> https://github.com/beagleboard/pocketbeagle
>>
>> Signed-off-by: Robert Nelson <robertcnelson at gmail.com>
>> CC: Tony Lindgren <tony at atomide.com>
>> CC: Jason Kridner <jkridner at beagleboard.org>
>> CC: Drew Fustini <drew at beagleboard.org>
>> CC: Peter Robinson <pbrobinson at redhat.com>
>> ---
>> arch/arm/boot/dts/Makefile | 1 +
>> arch/arm/boot/dts/am335x-osd335x-common.dtsi | 136 +++++++++++
>> arch/arm/boot/dts/am335x-pocketbeagle.dts | 244 +++++++++++++++++++
>> 3 files changed, 381 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..184b3a9f1538
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/am335x-osd335x-common.dtsi
>> @@ -0,0 +1,136 @@
>> +/*
>> + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
>> + *
>> + * This program is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License version 2 as
>> + * published by the Free Software Foundation.
>
> Use SPDX tag.
Fixed
>> + */
>> +
>> +/ {
>> + cpus {
>> + cpu at 0 {
>> + cpu0-supply = <&dcdc2_reg>;
>> + };
>> + };
>> +
>> + memory at 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 at 24 {
>> + reg = <0x24>;
>> + };
>> +
>> + baseboard_eeprom: baseboard_eeprom at 50 {
>
> eeprom at 50
fixed..
>
> Build the dtb with "W=12" and fix all the warnings (unless you've
> inherited them from the includes).
It looks like i need to clean a few more am335x-* targets, as i used
pinmux_X_pins quite a bit...
>
>> + compatible = "atmel,24c256";
>> + reg = <0x50>;
>> +
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + baseboard_data: baseboard_data at 0 {
>> + reg = <0 0x100>;
>> + };
>> + };
>> +};
>> +
>> +/include/ "tps65217.dtsi"
>> +
>> +&tps {
>> + interrupts = <7>; /* NMI */
>> + interrupt-parent = <&intc>;
>> +
>> + ti,pmic-shutdown-controller;
>> +
>> + pwrbutton {
>> + interrupts = <2>;
>> + status = "okay";
>> + };
>> +
>> + regulators {
>> + dcdc1_reg: regulator at 0 {
>> + regulator-name = "vdds_dpr";
>> + regulator-always-on;
>> + };
>> +
>> + dcdc2_reg: regulator at 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 at 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 at 3 {
>> + regulator-name = "vio,vrtc,vdds";
>> + regulator-always-on;
>> + };
>> +
>> + ldo2_reg: regulator at 4 {
>> + regulator-name = "vdd_3v3aux";
>> + regulator-always-on;
>> + };
>> +
>> + ldo3_reg: regulator at 5 {
>> + regulator-name = "vdd_1v8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-always-on;
>> + };
>> +
>> + ldo4_reg: regulator at 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..c224cde88920
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/am335x-pocketbeagle.dts
>> @@ -0,0 +1,244 @@
>> +/*
>> + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
>> + *
>> + * This program is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License version 2 as
>> + * published by the Free Software Foundation.
>
> Use SPDX tag.
fixed
>
>> + */
>> +/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 = <&user_leds_s0>;
>> +
>> + compatible = "gpio-leds";
>> +
>> + usr_0_led {
>> + label = "beaglebone:green:usr0";
>> + gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;
>> + linux,default-trigger = "heartbeat";
>> + default-state = "off";
>> + };
>> +
>> + usr_1_led {
>> + label = "beaglebone:green:usr1";
>> + gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
>> + linux,default-trigger = "mmc0";
>> + default-state = "off";
>> + };
>> +
>> + usr_2_led {
>> + label = "beaglebone:green:usr2";
>> + gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
>> + linux,default-trigger = "cpu0";
>> + default-state = "off";
>> + };
>> +
>> + usr_3_led {
>> + 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 */
>> + >;
>> + };
>> +
>> + user_leds_s0: user_leds_s0 {
>> + 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 {
>> + baseboard_eeprom: baseboard_eeprom at 50 {
>
> This appears twice?
Correct, now removed and cleaned up...
>
>> + compatible = "atmel,24c256";
>> + reg = <0x50>;
>> +
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + baseboard_data: baseboard_data at 0 {
>> + reg = <0 0x100>;
>> + };
>> + };
>> +};
>> +
>> +&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
>>
>> --
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--
Robert Nelson
https://rcn-ee.com/
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