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board: nucleo_h723zg: enable backup_sram

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this SoC supports backup sram
Signed-off-by: Manojkumar Subramaniam <manoj@electrolance.com>
This commit is contained in:
Manojkumar Subramaniam 2021-08-13 17:05:05 +08:00 • committed by Christopher Friedt
commit fee5a50652
3 changed files with 34 additions and 21 deletions
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50
boards/arm/nucleo_h723zg/doc/index.rst
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@ -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
*************************

4
boards/arm/nucleo_h723zg/nucleo_h723zg.dts
View file

@ -105,6 +105,10 @@
clock-frequency = <I2C_BITRATE_FAST>;
};
&backup_sram {
status = "okay";
};
&timers12 {
status = "okay";

1
boards/arm/nucleo_h723zg/nucleo_h723zg.yaml
View file

@ -17,3 +17,4 @@ supported:
- i2c
- pwm
- netif:eth
- backup_sram