stm32mp15xx-dhcom-drc02.dtsi

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
    2 /*
    3  * Copyright (C) 2020 Marek Vasut <marex@denx.de>
    4  */
    5 
    6 #include <dt-bindings/input/input.h>
    7 #include <dt-bindings/pwm/pwm.h>
    8 
    9 / {
   10         aliases {
   11                 serial0 = &uart4;
   12                 serial1 = &usart3;
   13                 serial2 = &uart8;
   14         };
   15 
   16         chosen {
   17                 stdout-path = "serial0:115200n8";
   18         };
   19 };
   20 
   21 &adc {
   22         status = "disabled";
   23 };
   24 
   25 &dac {
   26         status = "disabled";
   27 };
   28 
   29 &gpiob {
   30         /*
   31          * NOTE: On DRC02, the RS485_RX_En is controlled by a separate
   32          * GPIO line, however the STM32 UART driver assumes RX happens
   33          * during TX anyway and that it only controls drive enable DE
   34          * line. Hence, the RX is always enabled here.
   35          */
   36         rs485-rx-en-hog {
   37                 gpio-hog;
   38                 gpios = <8 0>;
   39                 output-low;
   40                 line-name = "rs485-rx-en";
   41         };
   42 };
   43 
   44 &gpiod {
   45         gpio-line-names = "", "", "", "",
   46                           "", "", "DHCOM-B", "",
   47                           "", "", "", "DRC02-Out1",
   48                           "DRC02-Out2", "", "", "";
   49 };
   50 
   51 &gpioi {
   52         gpio-line-names = "DRC02-In1", "DHCOM-O", "DHCOM-H", "DHCOM-I",
   53                           "DHCOM-R", "DHCOM-M", "", "",
   54                           "DRC02-In2", "", "", "",
   55                           "", "", "", "";
   56 
   57         /*
   58          * NOTE: The USB Hub on the DRC02 needs a reset signal to be
   59          * pulled high in order to be detected by the USB Controller.
   60          * This signal should be handled by USB power sequencing in
   61          * order to reset the Hub when USB bus is powered down, but
   62          * so far there is no such functionality.
   63          */
   64         usb-hub-hog {
   65                 gpio-hog;
   66                 gpios = <2 0>;
   67                 output-high;
   68                 line-name = "usb-hub-reset";
   69         };
   70 };
   71 
   72 &i2c2 {
   73         pinctrl-names = "default";
   74         pinctrl-0 = <&i2c2_pins_a>;
   75         i2c-scl-rising-time-ns = <185>;
   76         i2c-scl-falling-time-ns = <20>;
   77         status = "okay";
   78         /* spare dmas for other usage */
   79         /delete-property/dmas;
   80         /delete-property/dma-names;
   81         status = "okay";
   82 
   83         eeprom@50 {
   84                 compatible = "atmel,24c04";
   85                 reg = <0x50>;
   86                 pagesize = <16>;
   87         };
   88 };
   89 
   90 &i2c4 {
   91         touchscreen@49 {
   92                 status = "disabled";
   93         };
   94 };
   95 
   96 &i2c5 { /* TP7/TP8 */
   97         pinctrl-names = "default";
   98         pinctrl-0 = <&i2c5_pins_a>;
   99         i2c-scl-rising-time-ns = <185>;
  100         i2c-scl-falling-time-ns = <20>;
  101         status = "okay";
  102         /* spare dmas for other usage */
  103         /delete-property/dmas;
  104         /delete-property/dma-names;
  105 };
  106 
  107 &sdmmc3 {
  108         /*
  109          * On DRC02, the SoM does not have SDIO WiFi. The pins
  110          * are used for on-board microSD slot instead.
  111          */
  112         /delete-property/broken-cd;
  113         cd-gpios = <&gpioi 10 GPIO_ACTIVE_HIGH>;
  114         disable-wp;
  115 };
  116 
  117 &spi1 {
  118         pinctrl-names = "default";
  119         pinctrl-0 = <&spi1_pins_a>;
  120         cs-gpios = <&gpioz 3 0>;
  121         /* Use PIO for the display */
  122         /delete-property/dmas;
  123         /delete-property/dma-names;
  124         status = "disabled";    /* Enable once there is display driver */
  125         /*
  126          * Note: PF3/GPIO_A , PD6/GPIO_B , PG0/GPIO_C , PC6/GPIO_E are
  127          * also connected to the display board connector.
  128          */
  129 };
  130 
  131 &usart3 {
  132         pinctrl-names = "default";
  133         pinctrl-0 = <&usart3_pins_a>;
  134         /delete-property/dmas;
  135         /delete-property/dma-names;
  136         status = "okay";
  137 };
  138 
  139 /*
  140  * Note: PI3 is UART1_RTS and PI5 is UART1_CTS on DRC02 (uart4 of STM32MP1),
  141  *       however the STM32MP1 pinmux cannot map them to UART4 .
  142  */
  143 
  144 &uart8 {        /* RS485 */
  145         linux,rs485-enabled-at-boot-time;
  146         pinctrl-names = "default";
  147         pinctrl-0 = <&uart8_pins_a>;
  148         rts-gpios = <&gpioe 6 GPIO_ACTIVE_HIGH>;
  149         /delete-property/dmas;
  150         /delete-property/dma-names;
  151         status = "okay";
  152 };
  153 
  154 &usbh_ehci {
  155         phys = <&usbphyc_port0>;
  156         status = "okay";
  157 };
  158 
  159 &usbphyc {
  160         status = "okay";
  161 };
  162 
  163 &usbphyc_port0 {
  164         phy-supply = <&vdd_usb>;
  165 };
  166 
  167 &usbphyc_port1 {
  168         phy-supply = <&vdd_usb>;
  169 };

Cache object: b8acd47a0c49bf88cc71afd5d5b5d3c1

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/stm32mp15xx-dhcom-drc02.dtsi

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/stm32mp15xx-dhcom-drc02.dtsi