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commit 92dba32c8c08b4512666159029cbcc189b5191d3 Author: David Sidrane <[email protected]> AuthorDate: Mon May 3 10:38:10 2021 -0700 stm32h7:Allow for reuse of the OTG_ID GPIO Currently Nuttx doesn't seem to be any real support for OTG. In the future when OTG is supported. This Knob can be removed and drivers can enable their pin sets based on CONFIG_OTG. (Adding CONFIG_OTG at this time would be misleading.) --- arch/arm/src/stm32h7/Kconfig | 13 +++++++++++++ arch/arm/src/stm32h7/stm32_otgdev.c | 6 +++++- 2 files changed, 18 insertions(+), 1 deletion(-) diff --git a/arch/arm/src/stm32h7/Kconfig b/arch/arm/src/stm32h7/Kconfig index 64d518f..ee9b516 100644 --- a/arch/arm/src/stm32h7/Kconfig +++ b/arch/arm/src/stm32h7/Kconfig @@ -843,6 +843,19 @@ config STM32H7_I2CTIMEOTICKS endmenu # "I2C Configuration" +menu "OTG Configuration" + depends on STM32H7_OTGFS + +config OTG_ID_GPIO_DISABLE + bool "Disable the use of GPIO_OTG_ID pin." + default n + ---help--- + Disables/Enabled the use of GPIO_OTG_ID pin. This allows non OTG use + cases to reuse this GPIO pin and ensure it is not set incorrectlty + during OS boot. + +endmenu + menu "SPI Configuration" depends on STM32H7_SPI diff --git a/arch/arm/src/stm32h7/stm32_otgdev.c b/arch/arm/src/stm32h7/stm32_otgdev.c index adea1a1..c9ef115 100644 --- a/arch/arm/src/stm32h7/stm32_otgdev.c +++ b/arch/arm/src/stm32h7/stm32_otgdev.c @@ -5586,7 +5586,11 @@ void arm_usbinitialize(void) stm32_configgpio(GPIO_OTG_DM); stm32_configgpio(GPIO_OTG_DP); - stm32_configgpio(GPIO_OTG_ID); /* Only needed for OTG */ + + /* Only needed for OTG */ +# ifndef CONFIG_OTG_ID_GPIO_DISABLE + stm32_configgpio(GPIO_OTG_ID); +# endif /* SOF output pin configuration is configurable. */
