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boards: stm32: Extend stm32f746g_disco board with Arduino header

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Adding GPIO mapping for Arduino connector.

Signed-off-by: Marco Peter <marco@peter-net.ch>
This commit is contained in:
Marco Peter 2020-06-16 20:01:43 +02:00 • committed by Maureen Helm
commit 004296ca56
2 changed files with 41 additions and 4 deletions
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40
boards/arm/stm32f746g_disco/arduino_r3_connector.dtsi Normal file
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@ -0,0 +1,40 @@
/*
* Copyright (c) 2020 Marco Peter
*
* SPDX-License-Identifier: Apache-2.0
*/
/ {
arduino_header: connector {
compatible = "arduino-header-r3";
#gpio-cells = <2>;
gpio-map-mask = <0xffffffff 0xffffffc0>;
gpio-map-pass-thru = <0 0x3f>;
gpio-map = <0 0 &gpioa 0 0>, /* A0 */
<1 0 &gpiof 10 0>, /* A1 */
<2 0 &gpiof 9 0>, /* A2 */
<3 0 &gpiof 8 0>, /* A3 */
<4 0 &gpiof 7 0>, /* A4 */
<5 0 &gpiof 6 0>, /* A5 */
<6 0 &gpioc 7 0>, /* D0 */
<7 0 &gpioc 6 0>, /* D1 */
<8 0 &gpiog 6 0>, /* D2 */
<9 0 &gpiob 4 0>, /* D3 */
<10 0 &gpiog 7 0>, /* D4 */
<11 0 &gpioi 0 0>, /* D5 */
<12 0 &gpioh 6 0>, /* D6 */
<13 0 &gpioi 3 0>, /* D7 */
<14 0 &gpioi 2 0>, /* D8 */
<15 0 &gpioa 15 0>, /* D9 */
<16 0 &gpioa 8 0>, /* D10 */
<17 0 &gpiob 15 0>, /* D11 */
<18 0 &gpiob 14 0>, /* D12 */
<19 0 &gpioi 1 0>, /* D13 */
<20 0 &gpiob 9 0>, /* D14 */
<21 0 &gpiob 8 0>; /* D15 */
};
};
arduino_i2c: &i2c1 {};
arduino_spi: &spi2 {};
arduino_serial: &usart6 {};

5
boards/arm/stm32f746g_disco/stm32f746g_disco.dts
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@ -6,6 +6,7 @@
/dts-v1/;
#include <st/f7/stm32f746Xg.dtsi>
#include "arduino_r3_connector.dtsi"
/ {
model = "STMicroelectronics STM32F746G DISCOVERY board";
@ -42,10 +43,6 @@
};
};
arduino_i2c: &i2c1 {};
arduino_spi: &spi2 {};
arduino_serial: &usart6 {};
&i2c1 {
status = "okay";
clock-frequency = <I2C_BITRATE_FAST>;