blob: 9984b343cdf0cad1abd9e0d4d142ded838c47980 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree Source for Kamstrup OMNIA Flex Concentrator.
*
* Copyright (C) 2020 Kamstrup A/S
* Author: Bruno Thomsen <bruno.thomsen@gmail.com>
*/
/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 = <&reg_vref_1v8>;
status = "okay";
};
&ecspi2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ecspi2>;
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>;
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@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 = <&ethphy>;
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 = <&reg_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";
};