316 lines
7.7 KiB
Plaintext
316 lines
7.7 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
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/*
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* Device Tree Source for Kamstrup OMNIA Flex Concentrator.
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*
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* Copyright (C) 2020 Kamstrup A/S
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* Author: Bruno Thomsen <bruno.thomsen@gmail.com>
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*/
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/dts-v1/;
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#include "imx7d-tqma7.dtsi"
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/* One I2C device on TQMa7 SoM is not mounted */
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/delete-node/ &ds1339;
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/ {
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model = "Kamstrup OMNIA Flex Concentrator";
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compatible = "kam,imx7d-flex-concentrator", "fsl,imx7d";
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memory@80000000 {
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device_type = "memory";
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/* 1024 MB - TQMa7D board configuration */
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reg = <0x80000000 0x40000000>;
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};
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reg_usb_otg2_vbus: regulator-usb-otg2-vbus {
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compatible = "regulator-fixed";
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regulator-name = "VBUS_USBOTG2";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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gpio = <&gpio1 7 GPIO_ACTIVE_HIGH>;
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enable-active-high;
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};
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reg_vref_1v8: regulator-vref-1v8 {
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compatible = "regulator-fixed";
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regulator-name = "VCC1V8_REF";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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vin-supply = <&sw2_reg>;
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};
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/*
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* Human Machine Interface consists of 4 dual red/green LEDs.
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* hmi-a:green is controlled directly by the switch-mode power supply.
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* hmi-a:red is not used.
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*/
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gpio-leds {
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compatible = "gpio-leds";
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_leds>;
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led-0 {
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label = "hmi-b:red:heartbeat-degraded";
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gpios = <&gpio3 6 GPIO_ACTIVE_HIGH>;
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};
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led-1 {
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label = "hmi-b:green:heartbeat-running";
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gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>;
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linux,default-trigger = "heartbeat";
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};
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led-2 {
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label = "hmi-c:red:mesh-error";
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gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>;
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};
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led-3 {
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label = "hmi-c:green:mesh-activity";
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gpios = <&gpio2 30 GPIO_ACTIVE_HIGH>;
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};
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led-4 {
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label = "hmi-d:red:omnia-error";
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gpios = <&gpio2 31 GPIO_ACTIVE_HIGH>;
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};
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led-5 {
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label = "hmi-d:green:omnia-activity";
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gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
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};
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};
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/*
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* Errata e10574 board restart workaround.
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*/
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gpio-restart {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_restart>;
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compatible = "gpio-restart";
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gpios = <&gpio7 12 GPIO_ACTIVE_LOW>;
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priority = <200>;
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};
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};
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/*
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* Analog signals
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* ADC1_IN0: SMPS - 5V output monitor (voltage divider: 1/0.2806)
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*/
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&adc1 {
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vref-supply = <®_vref_1v8>;
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status = "okay";
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};
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&ecspi2 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_ecspi2>;
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num-chipselects = <1>;
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cs-gpios = <&gpio4 23 GPIO_ACTIVE_LOW>;
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status = "okay";
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pcf2127: rtc@0 {
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compatible = "nxp,pcf2127";
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reg = <0>;
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spi-max-frequency = <2000000>;
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reset-source;
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};
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};
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&ecspi4 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_ecspi4>;
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num-chipselects = <1>;
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cs-gpios = <&gpio3 3 GPIO_ACTIVE_LOW>;
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status = "okay";
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/*
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* ST chip maximum SPI clock frequency is 33 MHz.
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*
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* TCG specification - Section 6.4.1 Clocking:
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* TPM shall support a SPI clock frequency range of 10-24 MHz.
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*/
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st33htph: tpm-tis@0 {
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compatible = "st,st33htpm-spi", "tcg,tpm_tis-spi";
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reg = <0>;
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spi-max-frequency = <24000000>;
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};
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};
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&fec1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_enet1>;
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phy-mode = "rmii";
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phy-handle = <ðphy>;
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status = "okay";
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/*
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* MDIO bus reset is used to generate PHY device reset before
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* Ethernet PHY type ID auto-detection. Otherwise this communication
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* fails as device does not answer when recommended reset circuit
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* is used.
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*/
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mdio {
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#address-cells = <1>;
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#size-cells = <0>;
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reset-delay-us = <100000>;
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reset-post-delay-us = <500000>;
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reset-gpios = <&gpio7 15 GPIO_ACTIVE_LOW>;
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/* Microchip/Micrel KSZ8081RNB */
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ethphy: ethernet-phy@1 {
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compatible = "ethernet-phy-ieee802.3-c22";
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interrupt-parent = <&gpio1>;
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interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
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reg = <1>;
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};
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};
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};
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/*
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* Detection signals for internal USB modules.
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* Used for robust USB plug and play handling such as USB downstream port
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* power-cycle and USB hub reset in case of misbehaving or crashed modules.
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*
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* SMPS - AC input monitor based on zero crossing.
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* Used for last gasp notification.
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*/
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&gpio3 {
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gpio-line-names = "", "", "", "", "", "", "", "",
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"", "", "", "", "smps-ac-monitor", "", "usb-hub-reset", "",
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"", "", "", "", "", "", "", "",
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"", "module-b-detection", "", "module-a-detection", "", "", "", "";
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};
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/*
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* Tamper IRQ trigger timestamp reading.
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* Used for sealed cover opened/closed notification.
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*/
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&gpio5 {
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gpio-line-names = "", "", "", "", "", "", "", "",
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"", "", "", "", "rtc-tamper-irq", "", "", "",
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"", "", "", "", "", "", "", "",
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"", "", "", "", "", "", "", "";
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};
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&iomuxc {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_misc>;
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pinctrl_ecspi2: ecspi2grp {
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fsl,pins = <
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MX7D_PAD_ECSPI2_MISO__ECSPI2_MISO 0x7c /* X2-15 */
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MX7D_PAD_ECSPI2_MOSI__ECSPI2_MOSI 0x74 /* X2-18 */
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MX7D_PAD_ECSPI2_SCLK__ECSPI2_SCLK 0x74 /* X2-13 */
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MX7D_PAD_ECSPI2_SS0__GPIO4_IO23 0x74 /* X2-20 */
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/* RTC - Tamper IRQ */
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MX7D_PAD_SD2_CLK__GPIO5_IO12 0x3c /* X1-92 */
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>;
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};
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pinctrl_ecspi4: ecspi4grp {
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fsl,pins = <
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MX7D_PAD_LCD_CLK__ECSPI4_MISO 0x7c /* X2-72 */
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MX7D_PAD_LCD_ENABLE__ECSPI4_MOSI 0x74 /* X2-68 */
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MX7D_PAD_LCD_HSYNC__ECSPI4_SCLK 0x74 /* X2-76 */
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MX7D_PAD_LCD_VSYNC__GPIO3_IO3 0x74 /* X2-78 */
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>;
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};
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pinctrl_enet1: enet1grp {
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fsl,pins = <
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MX7D_PAD_GPIO1_IO10__ENET1_MDIO 0x03 /* X2-48 */
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MX7D_PAD_GPIO1_IO11__ENET1_MDC 0x03 /* X2-46 */
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MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 0x71 /* X2-53 */
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MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 0x71 /* X2-55 */
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MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL 0x71 /* X2-61 */
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MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 0x79 /* X2-56 */
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MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 0x79 /* X2-58 */
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MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL 0x79 /* X2-64 */
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MX7D_PAD_ENET1_RGMII_RXC__ENET1_RX_ER 0x73 /* X2-52 */
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/* PHY reset: SRE_FAST, DSE_X1 */
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MX7D_PAD_ENET1_COL__GPIO7_IO15 0x00 /* X1-96 */
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/* Clock from PHY to MAC: 100kPU */
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MX7D_PAD_GPIO1_IO12__CCM_ENET_REF_CLK1 0x70 /* X3-4 */
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/* PHY interrupt: 100kPU, HYS */
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MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x78 /* X1-80 */
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>;
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};
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pinctrl_leds: ledsgrp {
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fsl,pins = <
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MX7D_PAD_LCD_DATA01__GPIO3_IO6 0x14 /* X2-82 */
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MX7D_PAD_EPDC_BDR0__GPIO2_IO28 0x14 /* X1-82 */
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MX7D_PAD_EPDC_BDR1__GPIO2_IO29 0x14 /* X1-84 */
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MX7D_PAD_EPDC_PWR_COM__GPIO2_IO30 0x14 /* X1-86 */
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MX7D_PAD_EPDC_PWR_STAT__GPIO2_IO31 0x14 /* X1-88 */
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MX7D_PAD_UART2_TX_DATA__GPIO4_IO3 0x14 /* X1-90 */
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>;
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};
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pinctrl_misc: miscgrp {
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fsl,pins = <
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/* Module A detection (low = present) */
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MX7D_PAD_LCD_DATA22__GPIO3_IO27 0x7c /* X2-105 */
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/* Module B detection (low = present) */
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MX7D_PAD_LCD_DATA20__GPIO3_IO25 0x7c /* X2-103 */
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/* SMPS - AC input monitor (high = failure) */
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MX7D_PAD_LCD_DATA07__GPIO3_IO12 0x7c /* X2-88 */
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/* USB - Hub reset */
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MX7D_PAD_LCD_DATA09__GPIO3_IO14 0x74 /* X2-92 */
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>;
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};
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pinctrl_restart: restartgrp {
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fsl,pins = <
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MX7D_PAD_ENET1_TX_CLK__GPIO7_IO12 0x74 /* X1-94 */
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>;
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};
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pinctrl_uart4: uart4grp {
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fsl,pins = <
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MX7D_PAD_SAI2_TX_SYNC__UART4_DCE_RX 0x7e /* X3-14 */
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MX7D_PAD_SAI2_TX_BCLK__UART4_DCE_TX 0x76 /* X3-16 */
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>;
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};
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};
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&iomuxc_lpsr {
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pinctrl_usbotg2: usbotg2grp {
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fsl,pins = <
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MX7D_PAD_LPSR_GPIO1_IO06__USB_OTG2_OC 0x5c /* X3-11 */
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MX7D_PAD_LPSR_GPIO1_IO07__GPIO1_IO7 0x59 /* X3-9 */
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>;
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};
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};
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&uart4 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_uart4>;
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assigned-clocks = <&clks IMX7D_UART4_ROOT_SRC>;
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assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>;
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};
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&usbotg2 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_usbotg2>;
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vbus-supply = <®_usb_otg2_vbus>;
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srp-disable;
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hnp-disable;
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adp-disable;
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over-current-active-low;
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dr_mode = "host";
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status = "okay";
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};
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/*
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* External watchdog feature provided by pcf2127.
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*/
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&wdog1 {
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status = "disabled";
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};
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