mirror of https://github.com/ArduPilot/ardupilot
394 lines
11 KiB
Plaintext
394 lines
11 KiB
Plaintext
/*
|
|
* Copyright (C) 2013 Pantelis Antoniou <panto@antoniou-consulting.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.
|
|
*/
|
|
/dts-v1/;
|
|
/plugin/;
|
|
|
|
/ {
|
|
compatible = "ti,beaglebone", "ti,beaglebone-black";
|
|
|
|
/* identification */
|
|
part-number = "BB-PXF-01";
|
|
version = "00A0";
|
|
|
|
/* state the resources this cape uses */
|
|
exclusive-use =
|
|
/* the pin header uses */
|
|
|
|
/* PRU RCInput */
|
|
"P8.11", /* pru0: pr1_pru0_pru_r30_15 */
|
|
"P8.15", /* pru0: pr1_pru0_pru_r31_15, PPM-sum, SBUS, DSM */
|
|
|
|
/* PRU RCOutput */
|
|
"P8.27", /* pru1: pr1_pru1_pru_r30_8, CH_2 */
|
|
"P8.28", /* pru1: pr1_pru1_pru_r30_10, CH_1 */
|
|
"P8.29", /* pru1: pr1_pru1_pru_r30_9, CH_4 */
|
|
"P8.30", /* pru1: pr1_pru1_pru_r30_11, CH_3 */
|
|
"P8.39", /* pru1: pr1_pru1_pru_r30_6, CH_6 */
|
|
"P8.40", /* pru1: pr1_pru1_pru_r30_7, CH_5 */
|
|
"P8.41", /* pru1: pr1_pru1_pru_r30_4, CH_8 */
|
|
"P8.42", /* pru1: pr1_pru1_pru_r30_5, CH_7 */
|
|
"P8.43", /* pru1: pr1_pru1_pru_r30_2, CH_10 */
|
|
"P8.44", /* pru1: pr1_pru1_pru_r30_3, CH_9 */
|
|
"P8.45", /* pru1: pr1_pru1_pru_r30_0, CH_12 */
|
|
"P8.46", /* pru1: pr1_pru1_pru_r30_1, CH_11 */
|
|
|
|
/* SPI0 */
|
|
"P9.22", /* SPI0_SCLK */
|
|
"P9.21", /* SPI0_MOSI */
|
|
"P9.18", /* SPI0_MISO */
|
|
"P9.17", /* LSM9DSO_AM CS */
|
|
"P8.9", /* LSM9DSO_G CS */
|
|
|
|
/* SPI1 */
|
|
"P9.31", /* SPI1_SCLK */
|
|
"P9.29", /* SPI1_MOSI */
|
|
"P9.30", /* SPI1_MISO */
|
|
"P9.42", /* MS5611 CS */
|
|
"P9.28", /* MPU6000 CS */
|
|
"P9.23", /* MPU9250 CS */
|
|
"P8.12", /* FRAM CS */
|
|
|
|
/* Buzzer PWM */
|
|
"P8.36", /* pwm: ehrpwm1A */
|
|
|
|
/* the hardware IP uses */
|
|
"pru0",
|
|
"pru1",
|
|
"spi0",
|
|
"spi1",
|
|
"ehrpwm1A";
|
|
|
|
fragment@0 {
|
|
target = <&am33xx_pinmux>;
|
|
__overlay__ {
|
|
|
|
pru_gpio_pins: pinmux_pru_gpio_pins {
|
|
pinctrl-single,pins = <
|
|
0x1a4 0x0f /* P9 27 GPIO3_19: mcasp0_fsr.gpio3[19] | MODE7 | OUTPUT */
|
|
>;
|
|
};
|
|
|
|
pru_pru_pins: pinmux_pru_pru_pins {
|
|
pinctrl-single,pins = <
|
|
0x034 0x26 /* gpmc_ad13.pr1_pru0_pru_r30_15, MODE6 | OUTPUT | PRU */
|
|
0x03c 0x2e /* gpmc_ad15.pr1_pru0_pru_r31_15, MODE6 | INPUT | PRU, PPM-sum, SBUS, DSM */
|
|
|
|
0x0e0 0x25 /* lcd_vsync.pr1_pru1_pru_r30_8, MODE5 | OUTPUT | PRU, CH_2 */
|
|
0x0e8 0x25 /* lcd_pclk.pr1_pru1_pru_r30_10, MODE5 | OUTPUT | PRU, CH_1 */
|
|
0x0e4 0x25 /* lcd_hsync.pr1_pru1_pru_r30_9, MODE5 | OUTPUT | PRU, CH_4 */
|
|
0x0ec 0x25 /* lcd_ac_bias_en.pr1_pru1_pru_r30_11, MODE5 | OUTPUT | PRU, CH_3 */
|
|
0x0b8 0x25 /* lcd_data6.pr1_pru1_pru_r30_6, MODE5 | OUTPUT | PRU, CH_6 */
|
|
0x0bc 0x25 /* lcd_data7.pr1_pru1_pru_r30_7, MODE5 | OUTPUT | PRU, CH_5 */
|
|
0x0b0 0x25 /* lcd_data4.pr1_pru1_pru_r30_4, MODE5 | OUTPUT | PRU, CH_8 */
|
|
0x0b4 0x25 /* lcd_data5.pr1_pru1_pru_r30_5, MODE5 | OUTPUT | PRU, CH_7 */
|
|
0x0a8 0x25 /* lcd_data2.pr1_pru1_pru_r30_2, MODE5 | OUTPUT | PRU, CH_10 */
|
|
0x0ac 0x25 /* lcd_data3.pr1_pru1_pru_r30_3, MODE5 | OUTPUT | PRU, CH_9 */
|
|
0x0a0 0x25 /* lcd_data0.pr1_pru1_pru_r30_0, MODE5 | OUTPUT | PRU, CH_12 */
|
|
0x0a4 0x25 /* lcd_data1.pr1_pru1_pru_r30_1, MODE5 | OUTPUT | PRU, CH_11 */
|
|
>;
|
|
};
|
|
spi0_pins_s0: spi0_pins_s0 {
|
|
pinctrl-single,pins = <
|
|
0x150 0x30 /* spi0_sclk, SPI0_SCLK P9_22 */
|
|
0x154 0x10 /* spi0_d0, SPI0_MOSI P9_21 */
|
|
0x158 0x30 /* spi0_d1, SPI0_MISO P9_18 */
|
|
|
|
/* setup a dummy CS for the SPI driver to use, then
|
|
setup pin modes for the two real CS lines to
|
|
set them pull-up */
|
|
|
|
0x054 0x07 /* led pin, dummy CS */
|
|
0x15C 0x37 /* LSM9DSO_AM CS P9_17 */
|
|
0x09C 0x37 /* LSM9DSO_G CS P8_9 */
|
|
>;
|
|
};
|
|
spi1_pins_s0: spi1_pins_s0 {
|
|
pinctrl-single,pins = <
|
|
0x190 0x33 /* mcasp0_aclkx.spi1_sclk, SPI1_SCLK P9_31 */
|
|
0x194 0x13 /* mcasp0_fsx.spi1_d0, SPI1_MOSI P9_29 */
|
|
0x198 0x33 /* mcasp0_axr0.spi1_d1, SPI1_MISO P9_30 */
|
|
|
|
/* setup a dummy CS for the SPI driver to use, then
|
|
setup pin modes for the four real CS lines to
|
|
set them pull-up */
|
|
|
|
0x058 0x07 /* dummy CS */
|
|
0x164 0x37 /* P9_42 MS5611 CS */
|
|
0x19C 0x37 /* P9_28 MPU6000 CS */
|
|
0x044 0x37 /* P9_23 MPU9250 CS */
|
|
0x030 0x37 /* P8_12 FRAM CS */
|
|
>;
|
|
};
|
|
pwm_P8_36: pinmux_pwm_P8_36_pins {
|
|
pinctrl-single,pins = <
|
|
0x0C8 0x02 /* P8_36 (ZCZ ball U3) | MODE 2 */
|
|
>;
|
|
};
|
|
};
|
|
};
|
|
fragment@2 {
|
|
target = <&spi0>;
|
|
__overlay__ {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
status = "okay";
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&spi0_pins_s0>;
|
|
ti,pindir-d0-out-d1-in = <1>;
|
|
|
|
spidev@0 {
|
|
spi-max-frequency = <24000000>;
|
|
reg = <0>;
|
|
compatible = "linux,spidev";
|
|
};
|
|
};
|
|
};
|
|
fragment@3{
|
|
target = <&spi1>;
|
|
__overlay__ {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
status = "okay";
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&spi1_pins_s0>;
|
|
ti,pindir-d0-out-d1-in = <1>;
|
|
|
|
spidev@1 {
|
|
spi-max-frequency = <24000000>;
|
|
reg = <0>;
|
|
compatible = "linux,spidev";
|
|
};
|
|
};
|
|
};
|
|
fragment@4 {
|
|
target = <&epwmss1>;
|
|
__overlay__ {
|
|
status = "okay";
|
|
};
|
|
};
|
|
fragment@5 {
|
|
target = <&ehrpwm1>;
|
|
__overlay__ {
|
|
status = "okay";
|
|
};
|
|
};
|
|
fragment@6 {
|
|
target = <&ocp>;
|
|
__overlay__ {
|
|
pwm_test_P8_36 {
|
|
compatible = "pwm_test";
|
|
pwms = <&ehrpwm1 0 500000 1>;
|
|
pwm-names = "PWM_P8_36";
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&pwm_P8_36>;
|
|
enabled = <1>;
|
|
duty = <0>;
|
|
status = "okay";
|
|
};
|
|
};
|
|
};
|
|
fragment@7 {
|
|
target = <&ocp>;
|
|
|
|
__overlay__ {
|
|
|
|
/* avoid stupid warning */
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
|
|
prurproc {
|
|
compatible = "ti,pru-rproc";
|
|
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&pru_pru_pins>;
|
|
|
|
reg = <0x4a300000 0x080000>;
|
|
|
|
status = "okay";
|
|
|
|
ti,hwmods = "pruss";
|
|
ti,deassert-hard-reset = "pruss", "pruss";
|
|
interrupt-parent = <&intc>;
|
|
|
|
/* interrupts on the host */
|
|
interrupts = <20 21 22 23 24 25 26 27>;
|
|
|
|
/* events these interrupts map to (host interrupt) */
|
|
events = <2 3 4 5 6 7 8 9>;
|
|
|
|
/* PRU interrupt controller offset */
|
|
pintc = <0x20000>;
|
|
|
|
/* 12K Shared Data RAM global, size, local */
|
|
pdram = <0x10000 0x03000 0x10000>;
|
|
|
|
/*
|
|
* SYSEVENT ids
|
|
*
|
|
* - PRU/ARM communication
|
|
* PRU0_PRU1 17
|
|
* PRU1_PRU0 18
|
|
* PRU0_ARM 19
|
|
* PRU1_ARM 20
|
|
* ARM_PRU0 21
|
|
* ARM_PRU1 22
|
|
*
|
|
* Full SYSEVENT list
|
|
*
|
|
* parity_err_intr_pend 0
|
|
* pru0_r31_status_cnt16 1
|
|
* pru1_r31_status_cnt16 2
|
|
* uart_urxevt_intr_req 4
|
|
* uart_utxevt_intr_req 5
|
|
* uart_uint_intr_req 6
|
|
* iep_tim_cap_cmp_pend 7
|
|
* ecap_intr_req 15
|
|
* pru_mst_intr[0-15]_intr_req 16-31
|
|
* nirq 32 (UART1)
|
|
* mcasp_x_intr_pend 33 (MCASP1)
|
|
* mcasp_r_intr_pend 34 (MCASP1)
|
|
* ecap_intr_intr_pend 35 (ECAP1)
|
|
* ecap_intr_intr_pend 36 (ECAP2)
|
|
* epwm_intr_intr_pend 37 (eHRPWM2)
|
|
* dcan_uerr 38 (DCAN0)
|
|
* dcan_int1 39 (DCAN0)
|
|
* dcan_intr 40 (DCAN0)
|
|
* POINTRPEND 41 (I2C0)
|
|
* ecap_intr_intr_pend 42 (ECAP0)
|
|
* epwm_intr_intr_pend 43 (eHRPWM0)
|
|
* SINTERRUPTN 44 (McSPI0)
|
|
* eqep_intr_intr_pend 45 (eQEP0)
|
|
* epwm_intr_intr_pend 46 (eHRPWM1)
|
|
* c0_misc_pend 47 3PGSW (GEMAC)
|
|
* c0_tx_pend 48 3PGSW (GEMAC)
|
|
* c0_rx_pend 49 3PGSW (GEMAC)
|
|
* c0_rx_thresh_pend 50 3PGSW (GEMAC)
|
|
* nirq 51 (UART0)
|
|
* nirq 52 (UART2)
|
|
* gen_intr_pend 53 (ADC_TSC)
|
|
* mcasp_r_intr_pend 54 (McASP0)
|
|
* mcasp_x_intr_pend 55 (McASP1)
|
|
* pwm_trip_zone 56 (eHRPWM0/eHRPWM1/eHRP WM2)
|
|
* POINTRPEND1 57 (GPIO0)
|
|
* Emulation Suspend Signal 58 (Debugss)
|
|
* initiator_sinterrupt_q_n2 59 (Mbox0 - mail_u2_irq (mailbox interrupt for pru1))
|
|
* initiator_sinterrupt_q_n1 60 (Mbox0 - mail_u1_irq (mailbox interrupt for pru0))
|
|
* tptc_erint_pend_po 61 (TPTC0 (EDMA))
|
|
* tpcc_errint_pend_po 62 (TPCC (EDMA))
|
|
* tpcc_int_pend_po1 63 (TPCC (EDMA))
|
|
*
|
|
* HOST interrupt ids
|
|
*
|
|
* PRU0 0
|
|
* PRU1 1
|
|
* EVTOUT0-7 2-9
|
|
*/
|
|
|
|
/* sysevent map to intc channel */
|
|
sysevent-to-channel-map =
|
|
<17 1>, /* PRU0_PRU1 -> CH1 */
|
|
<18 0>, /* PRU1_PRU0 -> CH0 */
|
|
<19 2>, /* PRU0_ARM -> CH2 */
|
|
<20 3>, /* PRU1_ARM -> CH3 */
|
|
<21 0>, /* ARM_PRU0 -> CH0 */
|
|
<22 1>, /* ARM_PRU1 -> CH1 */
|
|
<24 4>, /* VRING Host->PRU0 -> CH4 */
|
|
<25 5>, /* VRING PRU0->Host -> CH5 */
|
|
<26 6>, /* VRING Host->PRU1 -> CH6 */
|
|
<27 7>; /* VRING PRU1->Host -> CH7 */
|
|
|
|
/* channel to host interrupt map */
|
|
channel-to-host-interrupt-map =
|
|
<0 0>, /* CH0 -> PRU0 */
|
|
<1 1>, /* CH1 -> PRU1 */
|
|
<2 2>, /* CH2 -> EVTOUT0 */
|
|
<3 3>, /* CH3 -> EVTOUT1 */
|
|
<4 0>, /* CH4 -> PRU0 */
|
|
<5 6>, /* CH5 -> EVTOUT4 */
|
|
<6 1>, /* CH6 -> PRU1 */
|
|
<7 7>; /* CH7 -> EVTOUT5 */
|
|
|
|
/* indices are ARM=0, PRU0=1, PRU1=2 */
|
|
target-to-sysevent-map =
|
|
<0xffffffff 21 22>, /* ARM: DONTCARE, ARM_PRU0, ARM_PRU1 */
|
|
< 19 0xffffffff 17>, /* PRU0: PRU0_ARM, DONTCARE, PRU0_PRU1 */
|
|
< 20 18 0xffffffff>; /* PRU1: PRU1_ARM, PRU1_PRU0, DONTCARE */
|
|
|
|
/* both the PRUs have 200MHz frequency so period is 5ns */
|
|
clock-freq = <200000000>;
|
|
|
|
/* the linux pwms we support */
|
|
pru-pwm-channels = <0 1 2 3 4 5 6 7 8 9 10 11 12 13 21>;
|
|
/* first PRU controls the PWMs */
|
|
pru-pwm-controller = <0>;
|
|
/* the IDs of the downcalls the firmware expects for PWMs */
|
|
/* CONFIG=0, ENABLE=1, DISABLE=2 */
|
|
pru-pwm-dc-ids = <0 1 2>;
|
|
|
|
/* definition for the first PRU */
|
|
pru0 {
|
|
pru-index = <0>;
|
|
|
|
/* offset, size, local */
|
|
iram = <0x34000 0x02000 0x00000>; /* code ram (8K) */
|
|
|
|
/* offset, size, local, other */
|
|
dram = <0x00000 0x02000 0x00000 0x10000>; /* data ram (8K) */
|
|
|
|
pctrl = <0x22000>;
|
|
pdbg = <0x22400>;
|
|
|
|
firmware-elf;
|
|
firmware = "testpru0";
|
|
|
|
/* sysevents signaling ring activity (host, pru)*/
|
|
vring-sysev = <24 25>;
|
|
|
|
resource_table {
|
|
resource-table;
|
|
version = <1>;
|
|
|
|
pru0_rproc_serial: pru0_vdev_rproc_serial {
|
|
vdev-rproc-serial;
|
|
|
|
/* notification IDs are totally bogus */
|
|
/* rproc will idr_alloc anyway */
|
|
|
|
notifyid = <8>; /* <- bogus */
|
|
/* da align num notifyid */
|
|
vring-0 = <0 16 8 0>;
|
|
vring-1 = <0 16 8 0>;
|
|
};
|
|
|
|
|
|
};
|
|
};
|
|
|
|
/* definition for the second PRU */
|
|
pru1 {
|
|
pru-index = <1>;
|
|
|
|
/* offset, size, local */
|
|
iram = <0x38000 0x02000 0x00000>; /* code ram (8K) */
|
|
|
|
/* offset, size, local, other */
|
|
dram = <0x02000 0x02000 0x00000 0x10000>; /* data ram (8K) */
|
|
|
|
pctrl = <0x24000>;
|
|
pdbg = <0x24400>;
|
|
|
|
firmware-elf;
|
|
firmware = "pwmpru1";
|
|
|
|
/* NOTE: no resource table, no vrings for this one */
|
|
};
|
|
};
|
|
};
|
|
};
|
|
};
|