diff --git a/boards/arm/nucleo_h723zg/doc/index.rst b/boards/arm/nucleo_h723zg/doc/index.rst index 8770037c9aa..3df5540abff 100644 --- a/boards/arm/nucleo_h723zg/doc/index.rst +++ b/boards/arm/nucleo_h723zg/doc/index.rst @@ -92,27 +92,29 @@ Supported Features The Zephyr nucleo_h723zg board configuration supports the following hardware features: -+-----------+------------+-------------------------------------+ -| Interface | Controller | Driver/Component | -+===========+============+=====================================+ -| NVIC | on-chip | nested vector interrupt controller | -+-----------+------------+-------------------------------------+ -| UART | on-chip | serial port | -+-----------+------------+-------------------------------------+ -| PINMUX | on-chip | pinmux | -+-----------+------------+-------------------------------------+ -| GPIO | on-chip | gpio | -+-----------+------------+-------------------------------------+ -| RTC | on-chip | counter | -+-----------+------------+-------------------------------------+ -| I2C | on-chip | i2c | -+-----------+------------+-------------------------------------+ -| PWM | on-chip | pwm | -+-----------+------------+-------------------------------------+ -| ETHERNET | on-chip | ethernet | -+-----------+------------+-------------------------------------+ -| RNG | on-chip | True Random number generator | -+-----------+------------+-------------------------------------+ ++-------------+------------+-------------------------------------+ +| Interface | Controller | Driver/Component | ++=============+============+=====================================+ +| NVIC | on-chip | nested vector interrupt controller | ++-------------+------------+-------------------------------------+ +| UART | on-chip | serial port | ++-------------+------------+-------------------------------------+ +| PINMUX | on-chip | pinmux | ++-------------+------------+-------------------------------------+ +| GPIO | on-chip | gpio | ++-------------+------------+-------------------------------------+ +| RTC | on-chip | counter | ++-------------+------------+-------------------------------------+ +| I2C | on-chip | i2c | ++-------------+------------+-------------------------------------+ +| PWM | on-chip | pwm | ++-------------+------------+-------------------------------------+ +| ETHERNET | on-chip | ethernet | ++-------------+------------+-------------------------------------+ +| RNG | on-chip | True Random number generator | ++-------------+------------+-------------------------------------+ +| Backup SRAM | on-chip | Backup SRAM | ++-------------+------------+-------------------------------------+ Other hardware features are not yet supported on this Zephyr port. @@ -147,6 +149,12 @@ Serial Port Nucleo H723ZG board has 4 UARTs and 4 USARTs. The Zephyr console output is assigned to UART3. Default settings are 115200 8N1. +Backup SRAM +----------- + +In order to test backup SRAM you may want to disconnect VBAT from VDD. You can +do it by removing ``SB52`` jumper on the back side of the board. + Programming and Debugging ************************* diff --git a/boards/arm/nucleo_h723zg/nucleo_h723zg.dts b/boards/arm/nucleo_h723zg/nucleo_h723zg.dts index 70b358be72e..eaaf8339761 100644 --- a/boards/arm/nucleo_h723zg/nucleo_h723zg.dts +++ b/boards/arm/nucleo_h723zg/nucleo_h723zg.dts @@ -105,6 +105,10 @@ clock-frequency = ; }; +&backup_sram { + status = "okay"; +}; + &timers12 { status = "okay"; diff --git a/boards/arm/nucleo_h723zg/nucleo_h723zg.yaml b/boards/arm/nucleo_h723zg/nucleo_h723zg.yaml index 0d380ddc2b9..0539a8926fb 100644 --- a/boards/arm/nucleo_h723zg/nucleo_h723zg.yaml +++ b/boards/arm/nucleo_h723zg/nucleo_h723zg.yaml @@ -17,3 +17,4 @@ supported: - i2c - pwm - netif:eth + - backup_sram