Quelle  imx8mn-var-som.dtsi   Sprache: unbekannt

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright 2019 NXP
 * Copyright 2019-2020 Variscite Ltd.
 * Copyright (C) 2020 Krzysztof Kozlowski <krzk@kernel.org>
 */

#include "imx8mn.dtsi"

/ {
 model = "Variscite VAR-SOM-MX8MN module";
 compatible = "variscite,var-som-mx8mn", "fsl,imx8mn";

 chosen {
  stdout-path = &uart4;
 };

 memory@40000000 {
  device_type = "memory";
  reg = <0x0 0x40000000 0 0x40000000>;
 };

 reg_eth_phy: regulator-eth-phy {
  compatible = "regulator-fixed";
  pinctrl-names = "default";
  pinctrl-0 = <&pinctrl_reg_eth_phy>;
  regulator-name = "eth_phy_pwr";
  regulator-min-microvolt = <3300000>;
  regulator-max-microvolt = <3300000>;
  regulator-enable-ramp-delay = <20000>;
  gpio = <&gpio2 9 GPIO_ACTIVE_HIGH>;
  enable-active-high;
 };

 reg_3v3_fixed: regulator-3v3-fixed {
  compatible = "regulator-fixed";
  regulator-name = "fixed_3v3";
  regulator-min-microvolt = <3300000>;
  regulator-max-microvolt = <3300000>;
  regulator-always-on;
 };
};

&A53_0 {
 cpu-supply = <&buck2_reg>;
};

&A53_1 {
 cpu-supply = <&buck2_reg>;
};

&A53_2 {
 cpu-supply = <&buck2_reg>;
};

&A53_3 {
 cpu-supply = <&buck2_reg>;
};

&ecspi1 {
 pinctrl-names = "default";
 pinctrl-0 = <&pinctrl_ecspi1>;
 cs-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>,
     <&gpio1  0 GPIO_ACTIVE_LOW>;
 /delete-property/ dmas;
 /delete-property/ dma-names;
 status = "okay";

 /* Resistive touch controller */
 touchscreen@0 {
  reg = <0>;
  compatible = "ti,ads7846";
  pinctrl-names = "default";
  pinctrl-0 = <&pinctrl_restouch>;
  interrupt-parent = <&gpio1>;
  interrupts = <3 IRQ_TYPE_EDGE_FALLING>;

  spi-max-frequency = <1500000>;
  pendown-gpio = <&gpio1 3 GPIO_ACTIVE_LOW>;

  ti,x-min = /bits/ 16 <125>;
  touchscreen-size-x = <4008>;
  ti,y-min = /bits/ 16 <282>;
  touchscreen-size-y = <3864>;
  ti,x-plate-ohms = /bits/ 16 <180>;
  touchscreen-max-pressure = <255>;
  touchscreen-average-samples = <10>;
  ti,debounce-tol = /bits/ 16 <3>;
  ti,debounce-rep = /bits/ 16 <1>;
  ti,settle-delay-usec = /bits/ 16 <150>;
  ti,keep-vref-on;
  wakeup-source;
 };
};

&fec1 {
 pinctrl-names = "default", "sleep";
 pinctrl-0 = <&pinctrl_fec1>;
 pinctrl-1 = <&pinctrl_fec1_sleep>;
 phy-mode = "rgmii";
 phy-handle = <ðphy>;
 phy-supply = <®_eth_phy>;
 fsl,magic-packet;
 status = "okay";

 mdio {
  #address-cells = <1>;
  #size-cells = <0>;

  ethphy: ethernet-phy@4 { /* AR8033 or ADIN1300 */
   compatible = "ethernet-phy-ieee802.3-c22";
   reg = <4>;
   reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
   reset-assert-us = <10000>;
   /*
    * Deassert delay:
    * ADIN1300 requires 5ms.
    * AR8033   requires 1ms.
    */
   reset-deassert-us = <20000>;
  };
 };
};

&i2c1 {
 clock-frequency = <400000>;
 pinctrl-names = "default";
 pinctrl-0 = <&pinctrl_i2c1>;
 status = "okay";

 pmic@4b {
  compatible = "rohm,bd71847";
  reg = <0x4b>;
  pinctrl-names = "default";
  pinctrl-0 = <&pinctrl_pmic>;
  interrupt-parent = <&gpio2>;
  interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
  rohm,reset-snvs-powered;

  regulators {
   buck1_reg: BUCK1 {
    regulator-name = "buck1";
    regulator-min-microvolt = <700000>;
    regulator-max-microvolt = <1300000>;
    regulator-boot-on;
    regulator-always-on;
    regulator-ramp-delay = <1250>;
   };

   buck2_reg: BUCK2 {
    regulator-name = "buck2";
    regulator-min-microvolt = <700000>;
    regulator-max-microvolt = <1300000>;
    regulator-boot-on;
    regulator-always-on;
    regulator-ramp-delay = <1250>;
    rohm,dvs-run-voltage = <1000000>;
    rohm,dvs-idle-voltage = <900000>;
   };

   buck3_reg: BUCK3 {
    regulator-name = "buck3";
    regulator-min-microvolt = <700000>;
    regulator-max-microvolt = <1350000>;
    regulator-boot-on;
    regulator-always-on;
   };

   buck4_reg: BUCK4 {
    regulator-name = "buck4";
    regulator-min-microvolt = <2600000>;
    regulator-max-microvolt = <3300000>;
    regulator-boot-on;
    regulator-always-on;
   };

   buck5_reg: BUCK5 {
    regulator-name = "buck5";
    regulator-min-microvolt = <1605000>;
    regulator-max-microvolt = <1995000>;
    regulator-boot-on;
    regulator-always-on;
   };

   buck6_reg: BUCK6 {
    regulator-name = "buck6";
    regulator-min-microvolt = <800000>;
    regulator-max-microvolt = <1400000>;
    regulator-boot-on;
    regulator-always-on;
   };

   ldo1_reg: LDO1 {
    regulator-name = "ldo1";
    regulator-min-microvolt = <1600000>;
    regulator-max-microvolt = <1900000>;
    regulator-boot-on;
    regulator-always-on;
   };

   ldo2_reg: LDO2 {
    regulator-name = "ldo2";
    regulator-min-microvolt = <800000>;
    regulator-max-microvolt = <900000>;
    regulator-boot-on;
    regulator-always-on;
   };

   ldo3_reg: LDO3 {
    regulator-name = "ldo3";
    regulator-min-microvolt = <1800000>;
    regulator-max-microvolt = <3300000>;
    regulator-boot-on;
    regulator-always-on;
   };

   ldo4_reg: LDO4 {
    regulator-name = "ldo4";
    regulator-min-microvolt = <900000>;
    regulator-max-microvolt = <1800000>;
    regulator-always-on;
   };

   ldo5_reg: LDO5 {
    regulator-name = "ldo5";
    regulator-min-microvolt = <1800000>;
    regulator-max-microvolt = <1800000>;
    regulator-always-on;
   };

   ldo6_reg: LDO6 {
    regulator-name = "ldo6";
    regulator-min-microvolt = <900000>;
    regulator-max-microvolt = <1800000>;
    regulator-boot-on;
    regulator-always-on;
   };
  };
 };

 eeprom_som: eeprom@52 {
  compatible = "atmel,24c04";
  reg = <0x52>;
  pagesize = <16>;
  vcc-supply = <®_3v3_fixed>;
 };
};

&i2c3 {
 clock-frequency = <400000>;
 pinctrl-names = "default";
 pinctrl-0 = <&pinctrl_i2c3>;
 status = "okay";

 /* TODO: configure audio, as of now just put a placeholder */
 wm8904: codec@1a {
  compatible = "wlf,wm8904";
  reg = <0x1a>;
  status = "disabled";
 };
};

&snvs_pwrkey {
 status = "okay";
};

/* Bluetooth */
&uart2 {
 pinctrl-names = "default";
 pinctrl-0 = <&pinctrl_uart2>;
 assigned-clocks = <&clk IMX8MN_CLK_UART2>;
 assigned-clock-parents = <&clk IMX8MN_SYS_PLL1_80M>;
 uart-has-rtscts;
 status = "okay";
};

/* Console */
&uart4 {
 pinctrl-names = "default";
 pinctrl-0 = <&pinctrl_uart4>;
 status = "okay";
};

&usbotg1 {
 dr_mode = "otg";
 usb-role-switch;
 status = "okay";
};

/* WIFI */
&usdhc1 {
 #address-cells = <1>;
 #size-cells = <0>;
 pinctrl-names = "default", "state_100mhz", "state_200mhz";
 pinctrl-0 = <&pinctrl_usdhc1>;
 pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
 pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
 bus-width = <4>;
 non-removable;
 keep-power-in-suspend;
 status = "okay";

 brcmf: wifi@1 {
  reg = <1>;
  compatible = "brcm,bcm4329-fmac";
 };
};

/* SD */
&usdhc2 {
 assigned-clocks = <&clk IMX8MN_CLK_USDHC2>;
 assigned-clock-rates = <200000000>;
 pinctrl-names = "default", "state_100mhz", "state_200mhz";
 pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
 pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
 pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
 cd-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
 bus-width = <4>;
 vmmc-supply = <®_usdhc2_vmmc>;
 status = "okay";
};

/* eMMC */
&usdhc3 {
 assigned-clocks = <&clk IMX8MN_CLK_USDHC3_ROOT>;
 assigned-clock-rates = <400000000>;
 pinctrl-names = "default", "state_100mhz", "state_200mhz";
 pinctrl-0 = <&pinctrl_usdhc3>;
 pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
 pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
 bus-width = <8>;
 non-removable;
 status = "okay";
};

&wdog1 {
 pinctrl-names = "default";
 pinctrl-0 = <&pinctrl_wdog>;
 fsl,ext-reset-output;
 status = "okay";
};

&iomuxc {
 pinctrl_ecspi1: ecspi1grp {
  fsl,pins = <
   MX8MN_IOMUXC_ECSPI1_SCLK_ECSPI1_SCLK  0x13
   MX8MN_IOMUXC_ECSPI1_MOSI_ECSPI1_MOSI  0x13
   MX8MN_IOMUXC_ECSPI1_MISO_ECSPI1_MISO  0x13
   MX8MN_IOMUXC_GPIO1_IO14_GPIO1_IO14  0x13
   MX8MN_IOMUXC_GPIO1_IO00_GPIO1_IO0  0x13
  >;
 };

 pinctrl_fec1: fec1grp {
  fsl,pins = <
   MX8MN_IOMUXC_ENET_MDC_ENET1_MDC   0x3
   MX8MN_IOMUXC_ENET_MDIO_ENET1_MDIO  0x3
   MX8MN_IOMUXC_ENET_TD3_ENET1_RGMII_TD3  0x1f
   MX8MN_IOMUXC_ENET_TD2_ENET1_RGMII_TD2  0x1f
   MX8MN_IOMUXC_ENET_TD1_ENET1_RGMII_TD1  0x1f
   MX8MN_IOMUXC_ENET_TD0_ENET1_RGMII_TD0  0x1f
   MX8MN_IOMUXC_ENET_RD3_ENET1_RGMII_RD3  0x91
   MX8MN_IOMUXC_ENET_RD2_ENET1_RGMII_RD2  0x91
   MX8MN_IOMUXC_ENET_RD1_ENET1_RGMII_RD1  0x91
   MX8MN_IOMUXC_ENET_RD0_ENET1_RGMII_RD0  0x91
   MX8MN_IOMUXC_ENET_TXC_ENET1_RGMII_TXC  0x1f
   MX8MN_IOMUXC_ENET_RXC_ENET1_RGMII_RXC  0x91
   MX8MN_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL 0x91
   MX8MN_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL 0x1f
   MX8MN_IOMUXC_GPIO1_IO09_GPIO1_IO9  0x159
  >;
 };

 pinctrl_fec1_sleep: fec1sleepgrp {
  fsl,pins = <
   MX8MN_IOMUXC_ENET_MDC_GPIO1_IO16  0x120
   MX8MN_IOMUXC_ENET_MDIO_GPIO1_IO17  0x120
   MX8MN_IOMUXC_ENET_TD3_GPIO1_IO18  0x120
   MX8MN_IOMUXC_ENET_TD2_GPIO1_IO19  0x120
   MX8MN_IOMUXC_ENET_TD1_GPIO1_IO20  0x120
   MX8MN_IOMUXC_ENET_TD0_GPIO1_IO21  0x120
   MX8MN_IOMUXC_ENET_RD3_GPIO1_IO29  0x120
   MX8MN_IOMUXC_ENET_RD2_GPIO1_IO28  0x120
   MX8MN_IOMUXC_ENET_RD1_GPIO1_IO27  0x120
   MX8MN_IOMUXC_ENET_RD0_GPIO1_IO26  0x120
   MX8MN_IOMUXC_ENET_TXC_GPIO1_IO23  0x120
   MX8MN_IOMUXC_ENET_RXC_GPIO1_IO25  0x120
   MX8MN_IOMUXC_ENET_RX_CTL_GPIO1_IO24  0x120
   MX8MN_IOMUXC_ENET_TX_CTL_GPIO1_IO22  0x120
   MX8MN_IOMUXC_GPIO1_IO09_GPIO1_IO9  0x120
  >;
 };

 pinctrl_i2c1: i2c1grp {
  fsl,pins = <
   MX8MN_IOMUXC_I2C1_SCL_I2C1_SCL  0x400001c3
   MX8MN_IOMUXC_I2C1_SDA_I2C1_SDA  0x400001c3
  >;
 };

 pinctrl_i2c3: i2c3grp {
  fsl,pins = <
   MX8MN_IOMUXC_I2C3_SCL_I2C3_SCL  0x400001c3
   MX8MN_IOMUXC_I2C3_SDA_I2C3_SDA  0x400001c3
  >;
 };

 pinctrl_pmic: pmicirqgrp {
  fsl,pins = <
   MX8MN_IOMUXC_SD1_DATA6_GPIO2_IO8 0x141
  >;
 };

 pinctrl_reg_eth_phy: regethphygrp {
  fsl,pins = <
   MX8MN_IOMUXC_SD1_DATA7_GPIO2_IO9 0x41
  >;
 };

 pinctrl_restouch: restouchgrp {
  fsl,pins = <
   MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x1c0
  >;
 };

 pinctrl_uart2: uart2grp {
  fsl,pins = <
   MX8MN_IOMUXC_SAI3_TXFS_UART2_DCE_RX 0x140
   MX8MN_IOMUXC_SAI3_TXC_UART2_DCE_TX 0x140
   MX8MN_IOMUXC_SAI3_RXC_UART2_DCE_CTS_B 0x140
   MX8MN_IOMUXC_SAI3_RXD_UART2_DCE_RTS_B 0x140
  >;
 };

 pinctrl_uart4: uart4grp {
  fsl,pins = <
   MX8MN_IOMUXC_UART4_RXD_UART4_DCE_RX 0x140
   MX8MN_IOMUXC_UART4_TXD_UART4_DCE_TX 0x140
  >;
 };

 pinctrl_usdhc1: usdhc1grp {
  fsl,pins = <
   MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK  0x190
   MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD  0x1d0
   MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d0
   MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d0
   MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d0
   MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d0
  >;
 };

 pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
  fsl,pins = <
   MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK  0x194
   MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD  0x1d4
   MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d4
   MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d4
   MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d4
   MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d4
  >;
 };

 pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
  fsl,pins = <
   MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK  0x196
   MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD  0x1d6
   MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d6
   MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d6
   MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d6
   MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d6
  >;
 };

 pinctrl_usdhc2_gpio: usdhc2gpiogrp {
  fsl,pins = <
   MX8MN_IOMUXC_GPIO1_IO10_GPIO1_IO10 0x41
  >;
 };

 pinctrl_usdhc2: usdhc2grp {
  fsl,pins = <
   MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK  0x190
   MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD  0x1d0
   MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d0
   MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d0
   MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d0
   MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d0
   MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0
  >;
 };

 pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
  fsl,pins = <
   MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK  0x194
   MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD  0x1d4
   MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d4
   MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d4
   MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d4
   MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d4
   MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0
  >;
 };

 pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
  fsl,pins = <
   MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK  0x196
   MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD  0x1d6
   MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d6
   MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d6
   MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d6
   MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d6
   MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0
  >;
 };

 pinctrl_usdhc3: usdhc3grp {
  fsl,pins = <
   MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x190
   MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d0
   MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d0
   MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d0
   MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d0
   MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d0
   MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d0
   MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d0
   MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d0
   MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d0
   MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x190
  >;
 };

 pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
  fsl,pins = <
   MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x194
   MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d4
   MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4
   MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4
   MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4
   MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4
   MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4
   MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4
   MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4
   MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4
   MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x194
  >;
 };

 pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
  fsl,pins = <
   MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x196
   MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d6
   MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d6
   MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d6
   MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d6
   MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d6
   MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d6
   MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d6
   MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d6
   MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d6
   MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x196
  >;
 };

 pinctrl_wdog: wdoggrp {
  fsl,pins = <
   MX8MN_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x166
  >;
 };
};