boards: stm32: Extend stm32f746g_disco board with Arduino header
Adding GPIO mapping for Arduino connector. Signed-off-by: Marco Peter <marco@peter-net.ch>
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2 changed files with 41 additions and 4 deletions
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boards/arm/stm32f746g_disco/arduino_r3_connector.dtsi
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boards/arm/stm32f746g_disco/arduino_r3_connector.dtsi
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/*
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* Copyright (c) 2020 Marco Peter
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/ {
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arduino_header: connector {
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compatible = "arduino-header-r3";
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#gpio-cells = <2>;
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gpio-map-mask = <0xffffffff 0xffffffc0>;
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gpio-map-pass-thru = <0 0x3f>;
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gpio-map = <0 0 &gpioa 0 0>, /* A0 */
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<1 0 &gpiof 10 0>, /* A1 */
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<2 0 &gpiof 9 0>, /* A2 */
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<3 0 &gpiof 8 0>, /* A3 */
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<4 0 &gpiof 7 0>, /* A4 */
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<5 0 &gpiof 6 0>, /* A5 */
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<6 0 &gpioc 7 0>, /* D0 */
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<7 0 &gpioc 6 0>, /* D1 */
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<8 0 &gpiog 6 0>, /* D2 */
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<9 0 &gpiob 4 0>, /* D3 */
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<10 0 &gpiog 7 0>, /* D4 */
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<11 0 &gpioi 0 0>, /* D5 */
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<12 0 &gpioh 6 0>, /* D6 */
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<13 0 &gpioi 3 0>, /* D7 */
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<14 0 &gpioi 2 0>, /* D8 */
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<15 0 &gpioa 15 0>, /* D9 */
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<16 0 &gpioa 8 0>, /* D10 */
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<17 0 &gpiob 15 0>, /* D11 */
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<18 0 &gpiob 14 0>, /* D12 */
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<19 0 &gpioi 1 0>, /* D13 */
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<20 0 &gpiob 9 0>, /* D14 */
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<21 0 &gpiob 8 0>; /* D15 */
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};
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};
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arduino_i2c: &i2c1 {};
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arduino_spi: &spi2 {};
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arduino_serial: &usart6 {};
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@ -6,6 +6,7 @@
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/dts-v1/;
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#include <st/f7/stm32f746Xg.dtsi>
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#include "arduino_r3_connector.dtsi"
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/ {
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model = "STMicroelectronics STM32F746G DISCOVERY board";
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@ -42,10 +43,6 @@
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};
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};
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arduino_i2c: &i2c1 {};
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arduino_spi: &spi2 {};
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arduino_serial: &usart6 {};
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&i2c1 {
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status = "okay";
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clock-frequency = <I2C_BITRATE_FAST>;
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