bsp/stm32h7: add configuration for USART1 GPIO pins, registers and alternate function

bsps/arm/stm32h7/console/console-usart1-cfg.c

@@ -31,15 +31,17 @@
 
 #include <stm32h7/hal.h>
 
+#include <bspopts.h>
+
 const stm32h7_uart_config stm32h7_usart1_config = {
   .gpio = {
-    .regs = GPIOB,
+    .regs = STM32H7_USART1_GPIO_REGS,
     .config = {
-      .Pin = GPIO_PIN_14 | GPIO_PIN_15,
+      .Pin = STM32H7_USART1_GPIO_PINS,
       .Mode = GPIO_MODE_AF_PP,
       .Pull = GPIO_NOPULL,
       .Speed = GPIO_SPEED_FREQ_LOW,
-      .Alternate = GPIO_AF4_USART1
+      .Alternate = STM32H7_USART1_ALT_FUNC
     }
   },
   .irq = USART1_IRQn,

spec/build/bsps/arm/stm32h7/grp.yml

@@ -81,6 +81,12 @@ links:
   uid: optprintkinstance
 - role: build-dependency
   uid: optpwrsupply
+- role: build-dependency
+  uid: optusart1gpiopins
+- role: build-dependency
+  uid: optusart1gpioregs
+- role: build-dependency
+  uid: optusart1alternatefunc
 - role: build-dependency
   uid: optusart3gpiopins
 - role: build-dependency

spec/build/bsps/arm/stm32h7/optusart1alternatefunc.yml

@@ -0,0 +1,19 @@
+actions:
+- get-string: null
+- define-unquoted: null
+build-type: option
+default: GPIO_AF4_USART1
+default-by-variant:
+- value: GPIO_AF7_USART1
+  variants:
+  - arm/stm32h7b3i-dk
+enabled-by: true
+format: '{}'
+links: []
+name: STM32H7_USART1_ALT_FUNC
+description: |
+  Alternate function mapping for the USART1 pin configuration.
+type: build
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+copyrights:
+- Copyright (C) 2022 Karel Gardas <karel@functional.vision>

spec/build/bsps/arm/stm32h7/optusart1gpiopins.yml

@@ -0,0 +1,19 @@
+actions:
+- get-string: null
+- define-unquoted: null
+build-type: option
+default: ( GPIO_PIN_14 | GPIO_PIN_15 )
+default-by-variant:
+- value: ( GPIO_PIN_9 | GPIO_PIN_10 )
+  variants:
+  - arm/stm32h7b3i-dk
+enabled-by: true
+format: '{}'
+links: []
+name: STM32H7_USART1_GPIO_PINS
+description: |
+  GPIO pins used for the USART1 pin configuration.
+type: build
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+copyrights:
+- Copyright (C) 2021-22 embedded brains GmbH (http://www.embedded-brains.de)

spec/build/bsps/arm/stm32h7/optusart1gpioregs.yml

@@ -0,0 +1,19 @@
+actions:
+- get-string: null
+- define-unquoted: null
+build-type: option
+default: GPIOD
+default-by-variant:
+- value: GPIOA
+  variants:
+  - arm/stm32h7b3i-dk
+enabled-by: true
+format: '{}'
+links: []
+name: STM32H7_USART1_GPIO_REGS
+description: |
+  GPIO registers used for the USART1 pin configuration.
+type: build
+SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
+copyrights:
+- Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)