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linux-loongson/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
Ryan Wanner 198b54b0a6 ARM: dts: microchip: sama7d65: Enable CAN bus 
Enable CAN bus for SAMA7D65 curiosity board.

Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Link: https://lore.kernel.org/r/ab719861de53432bdf19593fa4eee40adf57aed9.1749666053.git.Ryan.Wanner@microchip.com
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
2025-06-22 16:44:55 +03:00

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// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
* at91-sama7d65_curiosity.dts - Device Tree file for SAMA7D65 Curiosity board
*
* Copyright (c) 2024 Microchip Technology Inc. and its subsidiaries
*
* Author: Romain Sioen <romain.sioen@microchip.com>
*
*/
/dts-v1/;
#include "sama7d65-pinfunc.h"
#include "sama7d65.dtsi"
#include <dt-bindings/mfd/atmel-flexcom.h>
#include <dt-bindings/pinctrl/at91.h>
/ {
model = "Microchip SAMA7D65 Curiosity";
compatible = "microchip,sama7d65-curiosity", "microchip,sama7d65",
"microchip,sama7d6", "microchip,sama7";
aliases {
serial0 = &uart6;
};
chosen {
stdout-path = "serial0:115200n8";
};
memory@60000000 {
device_type = "memory";
reg = <0x60000000 0x40000000>;
};
reg_5v: regulator-5v {
compatible = "regulator-fixed";
regulator-name = "5V_MAIN";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-always-on;
};
};
&can1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_can1_default>;
status = "okay";
};
&can2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_can2_default>;
status = "okay";
};
&can3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_can3_default>;
status = "okay";
};
&dma0 {
status = "okay";
};
&dma1 {
status = "okay";
};
&dma2 {
status = "okay";
};
&flx6 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
status = "okay";
};
&uart6 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart6_default>;
status = "okay";
};
&flx10 {
atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
status = "okay";
};
&gmac0 {
#address-cells = <1>;
#size-cells = <0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gmac0_default
&pinctrl_gmac0_mdio_default
&pinctrl_gmac0_txck_default
&pinctrl_gmac0_phy_irq>;
phy-mode = "rgmii-id";
nvmem-cells = <&eeprom0_eui48>;
nvmem-cell-names = "mac-address";
status = "okay";
ethernet-phy@7 {
reg = <0x7>;
interrupt-parent = <&pioa>;
interrupts = <PIN_PC1 IRQ_TYPE_LEVEL_LOW>;
};
};
&i2c10 {
dmas = <0>, <0>;
i2c-analog-filter;
i2c-digital-filter;
i2c-digital-filter-width-ns = <35>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c10_default>;
status = "okay";
power-monitor@10 {
compatible = "microchip,pac1934";
reg = <0x10>;
#address-cells = <1>;
#size-cells = <0>;
channel@1 {
reg = <0x1>;
shunt-resistor-micro-ohms = <47000>;
label = "VDD3V3";
};
channel@2 {
reg = <0x2>;
shunt-resistor-micro-ohms = <47000>;
label = "VDDIODDR";
};
channel@3 {
reg = <0x3>;
shunt-resistor-micro-ohms = <47000>;
label = "VDDCORE";
};
channel@4 {
reg = <0x4>;
shunt-resistor-micro-ohms = <47000>;
label = "VDDCPU";
};
};
pmic@5b {
compatible = "microchip,mcp16502";
reg = <0x5b>;
lvin-supply = <&reg_5v>;
pvin1-supply = <&reg_5v>;
pvin2-supply = <&reg_5v>;
pvin3-supply = <&reg_5v>;
pvin4-supply = <&reg_5v>;
status = "okay";
regulators {
vdd_3v3: VDD_IO {
regulator-name = "VDD_IO";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-initial-mode = <2>;
regulator-allowed-modes = <2>, <4>;
regulator-always-on;
regulator-state-standby {
regulator-on-in-suspend;
regulator-suspend-microvolt = <3300000>;
regulator-mode = <4>;
};
regulator-state-mem {
regulator-off-in-suspend;
regulator-mode = <4>;
};
};
vddioddr: VDD_DDR {
regulator-name = "VDD_DDR";
regulator-min-microvolt = <1350000>;
regulator-max-microvolt = <1350000>;
regulator-initial-mode = <2>;
regulator-allowed-modes = <2>, <4>;
regulator-always-on;
regulator-state-standby {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1350000>;
regulator-mode = <4>;
};
regulator-state-mem {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1350000>;
regulator-mode = <4>;
};
};
vddcore: VDD_CORE {
regulator-name = "VDD_CORE";
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1050000>;
regulator-initial-mode = <2>;
regulator-allowed-modes = <2>, <4>;
regulator-always-on;
regulator-state-standby {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1050000>;
regulator-mode = <4>;
};
regulator-state-mem {
regulator-off-in-suspend;
regulator-mode = <4>;
};
};
vddcpu: VDD_OTHER {
regulator-name = "VDD_OTHER";
regulator-min-microvolt = <1050000>;
regulator-max-microvolt = <1250000>;
regulator-initial-mode = <2>;
regulator-allowed-modes = <2>, <4>;
regulator-ramp-delay = <3125>;
regulator-always-on;
regulator-state-standby {
regulator-on-in-suspend;
regulator-suspend-microvolt = <1050000>;
regulator-mode = <4>;
};
regulator-state-mem {
regulator-off-in-suspend;
regulator-mode = <4>;
};
};
vldo1: LDO1 {
regulator-name = "LDO1";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-state-standby {
regulator-suspend-microvolt = <1800000>;
regulator-on-in-suspend;
};
regulator-state-mem {
regulator-off-in-suspend;
};
};
vldo2: LDO2 {
regulator-name = "LDO2";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <3700000>;
regulator-state-standby {
regulator-on-in-suspend;
};
regulator-state-mem {
regulator-off-in-suspend;
};
};
};
};
eeprom0: eeprom@51 {
compatible = "microchip,24aa025e48";
reg = <0x51>;
size = <256>;
pagesize = <16>;
vcc-supply = <&vdd_3v3>;
nvmem-layout {
compatible = "fixed-layout";
#address-cells = <1>;
#size-cells = <1>;
eeprom0_eui48: eui48@fa {
reg = <0xfa 0x6>;
};
};
};
};
&main_xtal {
clock-frequency = <24000000>;
};
&pioa {
pinctrl_can1_default: can1-default {
pinmux = <PIN_PD10__CANTX1>,
<PIN_PD11__CANRX1>;
bias-disable;
};
pinctrl_can2_default: can2-default {
pinmux = <PIN_PD12__CANTX2>,
<PIN_PD13__CANRX2>;
bias-disable;
};
pinctrl_can3_default: can3-default {
pinmux = <PIN_PD14__CANTX3>,
<PIN_PD15__CANRX3>;
bias-disable;
};
pinctrl_gmac0_default: gmac0-default {
pinmux = <PIN_PA26__G0_TX0>,
<PIN_PA27__G0_TX1>,
<PIN_PB4__G0_TX2>,
<PIN_PB5__G0_TX3>,
<PIN_PA29__G0_RX0>,
<PIN_PA30__G0_RX1>,
<PIN_PB2__G0_RX2>,
<PIN_PB6__G0_RX3>,
<PIN_PA25__G0_TXCTL>,
<PIN_PB3__G0_RXCK>,
<PIN_PA28__G0_RXCTL>;
slew-rate = <0>;
bias-disable;
};
pinctrl_gmac0_mdio_default: gmac0-mdio-default {
pinmux = <PIN_PA31__G0_MDC>,
<PIN_PB0__G0_MDIO>;
bias-disable;
};
pinctrl_gmac0_phy_irq: gmac0-phy-irq {
pinmux = <PIN_PC1__GPIO>;
bias-disable;
};
pinctrl_gmac0_txck_default: gmac0-txck-default {
pinmux = <PIN_PB1__G0_REFCK>;
slew-rate = <0>;
bias-pull-up;
};
pinctrl_i2c10_default: i2c10-default{
pinmux = <PIN_PB19__FLEXCOM10_IO1>,
<PIN_PB20__FLEXCOM10_IO0>;
bias-pull-up;
};
pinctrl_sdmmc1_default: sdmmc1-default {
cmd-data {
pinmux = <PIN_PB22__SDMMC1_CMD>,
<PIN_PB24__SDMMC1_DAT0>,
<PIN_PB25__SDMMC1_DAT1>,
<PIN_PB26__SDMMC1_DAT2>,
<PIN_PB27__SDMMC1_DAT3>;
slew-rate = <0>;
bias-disable;
};
ck-cd-rstn-vddsel {
pinmux = <PIN_PB23__SDMMC1_CK>,
<PIN_PB21__SDMMC1_RSTN>,
<PIN_PB30__SDMMC1_1V8SEL>,
<PIN_PB29__SDMMC1_CD>,
<PIN_PB28__SDMMC1_WP>;
slew-rate = <0>;
bias-disable;
};
};
pinctrl_uart6_default: uart6-default {
pinmux = <PIN_PD18__FLEXCOM6_IO0>,
<PIN_PD19__FLEXCOM6_IO1>;
bias-disable;
};
};
&rtt {
atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
};
&sdmmc1 {
bus-width = <4>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sdmmc1_default>;
status = "okay";
};
&shdwc {
debounce-delay-us = <976>;
status = "okay";
input@0 {
reg = <0>;
};
};
&slow_xtal {
clock-frequency = <32768>;
};
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