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