renesas-smarc2.dtsi

  1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2/*
  3 * Device Tree Source for the RZ SMARC Carrier-II Board.
  4 *
  5 * Copyright (C) 2024 Renesas Electronics Corp.
  6 */
  7
  8/*
  9 * Please set the switch position SW_OPT_MUX.1 on the carrier board and the
 10 * corresponding macro SW_SDIO_M2E on the board DTS:
 11 *
 12 * SW_SDIO_M2E:
 13 *     0 - SMARC SDIO signal is connected to uSD1
 14 *     1 - SMARC SDIO signal is connected to M.2 Key E connector
 15 *
 16 * Please set the switch position SW_GPIO_CAN_PMOD on the carrier board and the
 17 * corresponding macro SW_GPIO8_CAN0_STB/SW_GPIO8_CAN0_STB on the board DTS:
 18 *
 19 * SW_GPIO8_CAN0_STB:
 20 *	0 - Connect to GPIO8 PMOD (default)
 21 *	1 - Connect to CAN0 transceiver STB pin
 22 *
 23 * SW_GPIO9_CAN1_STB:
 24 *	0 - Connect to GPIO9 PMOD (default)
 25 *	1 - Connect to CAN1 transceiver STB pin
 26 *
 27 * GPIO keys are enabled by default. Use PMOD_GPIO macros to disable them
 28 * if needed.
 29 */
 30
 31/ {
 32	model = "Renesas RZ SMARC Carrier-II Board";
 33	compatible = "renesas,smarc2-evk";
 34
 35	chosen {
 36		bootargs = "ignore_loglevel";
 37		stdout-path = "serial3:115200n8";
 38	};
 39
 40	aliases {
 41		i2c0 = &i2c0;
 42		serial3 = &scif0;
 43		mmc1 = &sdhi1;
 44	};
 45
 46	can_transceiver0: can-phy0 {
 47		compatible = "ti,tcan1042";
 48		#phy-cells = <0>;
 49		max-bitrate = <8000000>;
 50		status = "disabled";
 51	};
 52
 53	can_transceiver1: can-phy1 {
 54		compatible = "ti,tcan1042";
 55		#phy-cells = <0>;
 56		max-bitrate = <8000000>;
 57		status = "disabled";
 58	};
 59
 60	keys: keys {
 61		compatible = "gpio-keys";
 62
 63		key-1 {
 64			interrupts-extended = <&pinctrl KEY_1_GPIO IRQ_TYPE_EDGE_FALLING>;
 65			linux,code = <KEY_1>;
 66			label = "USER_SW1";
 67			wakeup-source;
 68			debounce-interval = <20>;
 69		};
 70
 71		key-2 {
 72			interrupts-extended = <&pinctrl KEY_2_GPIO IRQ_TYPE_EDGE_FALLING>;
 73			linux,code = <KEY_2>;
 74			label = "USER_SW2";
 75			wakeup-source;
 76			debounce-interval = <20>;
 77		};
 78
 79		key-3 {
 80			interrupts-extended = <&pinctrl KEY_3_GPIO IRQ_TYPE_EDGE_FALLING>;
 81			linux,code = <KEY_3>;
 82			label = "USER_SW3";
 83			wakeup-source;
 84			debounce-interval = <20>;
 85		};
 86	};
 87};
 88
 89&canfd {
 90	status = "okay";
 91};
 92
 93&i2c0 {
 94	status = "okay";
 95	clock-frequency = <400000>;
 96};
 97
 98&scif0 {
 99	status = "okay";
100};
101
102&sdhi1 {
103	bus-width = <4>;
104	sd-uhs-sdr50;
105	sd-uhs-sdr104;
106
107	status = "okay";
108};