|  | // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) | 
|  | /* | 
|  | * Copyright (C) STMicroelectronics 2021 - All Rights Reserved | 
|  | * Author: Alexandre Torgue <alexandre.torgue@foss.st.com> for STMicroelectronics. | 
|  | */ | 
|  |  | 
|  | /dts-v1/; | 
|  |  | 
|  | #include <dt-bindings/gpio/gpio.h> | 
|  | #include <dt-bindings/input/input.h> | 
|  | #include <dt-bindings/leds/common.h> | 
|  | #include "stm32mp135.dtsi" | 
|  | #include "stm32mp13xf.dtsi" | 
|  | #include "stm32mp13-pinctrl.dtsi" | 
|  |  | 
|  | / { | 
|  | model = "STMicroelectronics STM32MP135F-DK Discovery Board"; | 
|  | compatible = "st,stm32mp135f-dk", "st,stm32mp135"; | 
|  |  | 
|  | aliases { | 
|  | serial0 = &uart4; | 
|  | }; | 
|  |  | 
|  | memory@c0000000 { | 
|  | device_type = "memory"; | 
|  | reg = <0xc0000000 0x20000000>; | 
|  | }; | 
|  |  | 
|  | reserved-memory { | 
|  | #address-cells = <1>; | 
|  | #size-cells = <1>; | 
|  | ranges; | 
|  |  | 
|  | optee@dd000000 { | 
|  | reg = <0xdd000000 0x3000000>; | 
|  | no-map; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | gpio-keys { | 
|  | compatible = "gpio-keys"; | 
|  |  | 
|  | user-pa13 { | 
|  | label = "User-PA13"; | 
|  | linux,code = <BTN_1>; | 
|  | gpios = <&gpioa 13 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | leds { | 
|  | compatible = "gpio-leds"; | 
|  |  | 
|  | led-blue { | 
|  | function = LED_FUNCTION_HEARTBEAT; | 
|  | color = <LED_COLOR_ID_BLUE>; | 
|  | gpios = <&gpioa 14 GPIO_ACTIVE_LOW>; | 
|  | linux,default-trigger = "heartbeat"; | 
|  | default-state = "off"; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | vdd_sd: vdd-sd { | 
|  | compatible = "regulator-fixed"; | 
|  | regulator-name = "vdd_sd"; | 
|  | regulator-min-microvolt = <2900000>; | 
|  | regulator-max-microvolt = <2900000>; | 
|  | regulator-always-on; | 
|  | }; | 
|  | }; | 
|  |  | 
|  | &i2c1 { | 
|  | pinctrl-names = "default", "sleep"; | 
|  | pinctrl-0 = <&i2c1_pins_a>; | 
|  | pinctrl-1 = <&i2c1_sleep_pins_a>; | 
|  | i2c-scl-rising-time-ns = <96>; | 
|  | i2c-scl-falling-time-ns = <3>; | 
|  | clock-frequency = <1000000>; | 
|  | status = "okay"; | 
|  | /* spare dmas for other usage */ | 
|  | /delete-property/dmas; | 
|  | /delete-property/dma-names; | 
|  | }; | 
|  |  | 
|  | &i2c5 { | 
|  | pinctrl-names = "default", "sleep"; | 
|  | pinctrl-0 = <&i2c5_pins_a>; | 
|  | pinctrl-1 = <&i2c5_sleep_pins_a>; | 
|  | i2c-scl-rising-time-ns = <170>; | 
|  | i2c-scl-falling-time-ns = <5>; | 
|  | clock-frequency = <400000>; | 
|  | status = "okay"; | 
|  | /* spare dmas for other usage */ | 
|  | /delete-property/dmas; | 
|  | /delete-property/dma-names; | 
|  | }; | 
|  |  | 
|  | &iwdg2 { | 
|  | timeout-sec = <32>; | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &rtc { | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &sdmmc1 { | 
|  | pinctrl-names = "default", "opendrain", "sleep"; | 
|  | pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_clk_pins_a>; | 
|  | pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_clk_pins_a>; | 
|  | pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>; | 
|  | broken-cd; | 
|  | disable-wp; | 
|  | st,neg-edge; | 
|  | bus-width = <4>; | 
|  | vmmc-supply = <&vdd_sd>; | 
|  | status = "okay"; | 
|  | }; | 
|  |  | 
|  | &spi5 { | 
|  | pinctrl-names = "default", "sleep"; | 
|  | pinctrl-0 = <&spi5_pins_a>; | 
|  | pinctrl-1 = <&spi5_sleep_pins_a>; | 
|  | status = "disabled"; | 
|  | }; | 
|  |  | 
|  | &uart4 { | 
|  | pinctrl-names = "default"; | 
|  | pinctrl-0 = <&uart4_pins_a>; | 
|  | status = "okay"; | 
|  | }; |