1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree Source for Kamstrup OMNIA Flex Concentrator.
5 * Copyright (C) 2020 Kamstrup A/S
6 * Author: Bruno Thomsen <bruno.thomsen@gmail.com>
11 #include "imx7d-tqma7.dtsi"
13 /* One I2C device on TQMa7 SoM is not mounted */
14 /delete-node/ &ds1339;
17 model = "Kamstrup OMNIA Flex Concentrator";
18 compatible = "kam,imx7d-flex-concentrator", "fsl,imx7d";
21 device_type = "memory";
22 /* 1024 MB - TQMa7D board configuration */
23 reg = <0x80000000 0x40000000>;
26 reg_usb_otg2_vbus: regulator-usb-otg2-vbus {
27 compatible = "regulator-fixed";
28 regulator-name = "VBUS_USBOTG2";
29 regulator-min-microvolt = <5000000>;
30 regulator-max-microvolt = <5000000>;
31 gpio = <&gpio1 7 GPIO_ACTIVE_HIGH>;
35 reg_vref_1v8: regulator-vref-1v8 {
36 compatible = "regulator-fixed";
37 regulator-name = "VCC1V8_REF";
38 regulator-min-microvolt = <1800000>;
39 regulator-max-microvolt = <1800000>;
41 vin-supply = <&sw2_reg>;
45 * Human Machine Interface consists of 4 dual red/green LEDs.
46 * hmi-a:green is controlled directly by the switch-mode power supply.
47 * hmi-a:red is not used.
50 compatible = "gpio-leds";
51 pinctrl-names = "default";
52 pinctrl-0 = <&pinctrl_leds>;
55 label = "hmi-b:red:heartbeat-degraded";
56 gpios = <&gpio3 6 GPIO_ACTIVE_HIGH>;
60 label = "hmi-b:green:heartbeat-running";
61 gpios = <&gpio2 28 GPIO_ACTIVE_HIGH>;
62 linux,default-trigger = "heartbeat";
66 label = "hmi-c:red:mesh-error";
67 gpios = <&gpio2 29 GPIO_ACTIVE_HIGH>;
71 label = "hmi-c:green:mesh-activity";
72 gpios = <&gpio2 30 GPIO_ACTIVE_HIGH>;
76 label = "hmi-d:red:omnia-error";
77 gpios = <&gpio2 31 GPIO_ACTIVE_HIGH>;
81 label = "hmi-d:green:omnia-activity";
82 gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
87 * Errata e10574 board restart workaround.
90 pinctrl-names = "default";
91 pinctrl-0 = <&pinctrl_restart>;
92 compatible = "gpio-restart";
93 gpios = <&gpio7 12 GPIO_ACTIVE_LOW>;
100 * ADC1_IN0: SMPS - 5V output monitor (voltage divider: 1/0.2806)
103 vref-supply = <®_vref_1v8>;
108 pinctrl-names = "default";
109 pinctrl-0 = <&pinctrl_ecspi2>;
110 num-chipselects = <1>;
111 cs-gpios = <&gpio4 23 GPIO_ACTIVE_LOW>;
115 compatible = "nxp,pcf2127";
117 spi-max-frequency = <2000000>;
123 pinctrl-names = "default";
124 pinctrl-0 = <&pinctrl_ecspi4>;
125 num-chipselects = <1>;
126 cs-gpios = <&gpio3 3 GPIO_ACTIVE_LOW>;
130 * ST chip maximum SPI clock frequency is 33 MHz.
132 * TCG specification - Section 6.4.1 Clocking:
133 * TPM shall support a SPI clock frequency range of 10-24 MHz.
135 st33htph: tpm-tis@0 {
136 compatible = "st,st33htpm-spi", "tcg,tpm_tis-spi";
138 spi-max-frequency = <24000000>;
143 pinctrl-names = "default";
144 pinctrl-0 = <&pinctrl_enet1>;
146 phy-handle = <ðphy>;
150 * MDIO bus reset is used to generate PHY device reset before
151 * Ethernet PHY type ID auto-detection. Otherwise this communication
152 * fails as device does not answer when recommended reset circuit
156 #address-cells = <1>;
159 reset-delay-us = <100000>;
160 reset-post-delay-us = <500000>;
161 reset-gpios = <&gpio7 15 GPIO_ACTIVE_LOW>;
163 /* Microchip/Micrel KSZ8081RNB */
164 ethphy: ethernet-phy@1 {
165 compatible = "ethernet-phy-ieee802.3-c22";
166 interrupt-parent = <&gpio1>;
167 interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
174 * Detection signals for internal USB modules.
175 * Used for robust USB plug and play handling such as USB downstream port
176 * power-cycle and USB hub reset in case of misbehaving or crashed modules.
178 * SMPS - AC input monitor based on zero crossing.
179 * Used for last gasp notification.
182 gpio-line-names = "", "", "", "", "", "", "", "",
183 "", "", "", "", "smps-ac-monitor", "", "usb-hub-reset", "",
184 "", "", "", "", "", "", "", "",
185 "", "module-b-detection", "", "module-a-detection", "", "", "", "";
189 * Tamper IRQ trigger timestamp reading.
190 * Used for sealed cover opened/closed notification.
193 gpio-line-names = "", "", "", "", "", "", "", "",
194 "", "", "", "", "rtc-tamper-irq", "", "", "",
195 "", "", "", "", "", "", "", "",
196 "", "", "", "", "", "", "", "";
200 pinctrl-names = "default";
201 pinctrl-0 = <&pinctrl_misc>;
203 pinctrl_ecspi2: ecspi2grp {
205 MX7D_PAD_ECSPI2_MISO__ECSPI2_MISO 0x7c /* X2-15 */
206 MX7D_PAD_ECSPI2_MOSI__ECSPI2_MOSI 0x74 /* X2-18 */
207 MX7D_PAD_ECSPI2_SCLK__ECSPI2_SCLK 0x74 /* X2-13 */
208 MX7D_PAD_ECSPI2_SS0__GPIO4_IO23 0x74 /* X2-20 */
209 /* RTC - Tamper IRQ */
210 MX7D_PAD_SD2_CLK__GPIO5_IO12 0x3c /* X1-92 */
214 pinctrl_ecspi4: ecspi4grp {
216 MX7D_PAD_LCD_CLK__ECSPI4_MISO 0x7c /* X2-72 */
217 MX7D_PAD_LCD_ENABLE__ECSPI4_MOSI 0x74 /* X2-68 */
218 MX7D_PAD_LCD_HSYNC__ECSPI4_SCLK 0x74 /* X2-76 */
219 MX7D_PAD_LCD_VSYNC__GPIO3_IO3 0x74 /* X2-78 */
223 pinctrl_enet1: enet1grp {
225 MX7D_PAD_GPIO1_IO10__ENET1_MDIO 0x03 /* X2-48 */
226 MX7D_PAD_GPIO1_IO11__ENET1_MDC 0x03 /* X2-46 */
227 MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 0x71 /* X2-53 */
228 MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 0x71 /* X2-55 */
229 MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL 0x71 /* X2-61 */
230 MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 0x79 /* X2-56 */
231 MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 0x79 /* X2-58 */
232 MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL 0x79 /* X2-64 */
233 MX7D_PAD_ENET1_RGMII_RXC__ENET1_RX_ER 0x73 /* X2-52 */
234 /* PHY reset: SRE_FAST, DSE_X1 */
235 MX7D_PAD_ENET1_COL__GPIO7_IO15 0x00 /* X1-96 */
236 /* Clock from PHY to MAC: 100kPU */
237 MX7D_PAD_GPIO1_IO12__CCM_ENET_REF_CLK1 0x70 /* X3-4 */
238 /* PHY interrupt: 100kPU, HYS */
239 MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x78 /* X1-80 */
243 pinctrl_leds: ledsgrp {
245 MX7D_PAD_LCD_DATA01__GPIO3_IO6 0x14 /* X2-82 */
246 MX7D_PAD_EPDC_BDR0__GPIO2_IO28 0x14 /* X1-82 */
247 MX7D_PAD_EPDC_BDR1__GPIO2_IO29 0x14 /* X1-84 */
248 MX7D_PAD_EPDC_PWR_COM__GPIO2_IO30 0x14 /* X1-86 */
249 MX7D_PAD_EPDC_PWR_STAT__GPIO2_IO31 0x14 /* X1-88 */
250 MX7D_PAD_UART2_TX_DATA__GPIO4_IO3 0x14 /* X1-90 */
254 pinctrl_misc: miscgrp {
256 /* Module A detection (low = present) */
257 MX7D_PAD_LCD_DATA22__GPIO3_IO27 0x7c /* X2-105 */
258 /* Module B detection (low = present) */
259 MX7D_PAD_LCD_DATA20__GPIO3_IO25 0x7c /* X2-103 */
260 /* SMPS - AC input monitor (high = failure) */
261 MX7D_PAD_LCD_DATA07__GPIO3_IO12 0x7c /* X2-88 */
262 /* USB - Hub reset */
263 MX7D_PAD_LCD_DATA09__GPIO3_IO14 0x74 /* X2-92 */
267 pinctrl_restart: restartgrp {
269 MX7D_PAD_ENET1_TX_CLK__GPIO7_IO12 0x74 /* X1-94 */
273 pinctrl_uart4: uart4grp {
275 MX7D_PAD_SAI2_TX_SYNC__UART4_DCE_RX 0x7e /* X3-14 */
276 MX7D_PAD_SAI2_TX_BCLK__UART4_DCE_TX 0x76 /* X3-16 */
282 pinctrl_usbotg2: usbotg2grp {
284 MX7D_PAD_LPSR_GPIO1_IO06__USB_OTG2_OC 0x5c /* X3-11 */
285 MX7D_PAD_LPSR_GPIO1_IO07__GPIO1_IO7 0x59 /* X3-9 */
292 pinctrl-names = "default";
293 pinctrl-0 = <&pinctrl_uart4>;
294 assigned-clocks = <&clks IMX7D_UART4_ROOT_SRC>;
295 assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>;
299 pinctrl-names = "default";
300 pinctrl-0 = <&pinctrl_usbotg2>;
301 vbus-supply = <®_usb_otg2_vbus>;
305 over-current-active-low;
311 * External watchdog feature provided by pcf2127.