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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 The Zephyr nucleo_h723zg board configuration supports the following hardware
features: features:
+-----------+------------+-------------------------------------+ +-------------+------------+-------------------------------------+
| Interface | Controller | Driver/Component | | Interface | Controller | Driver/Component |
+===========+============+=====================================+ +=============+============+=====================================+
| NVIC | on-chip | nested vector interrupt controller | | NVIC | on-chip | nested vector interrupt controller |
+-----------+------------+-------------------------------------+ +-------------+------------+-------------------------------------+
| UART | on-chip | serial port | | UART | on-chip | serial port |
+-----------+------------+-------------------------------------+ +-------------+------------+-------------------------------------+
| PINMUX | on-chip | pinmux | | PINMUX | on-chip | pinmux |
+-----------+------------+-------------------------------------+ +-------------+------------+-------------------------------------+
| GPIO | on-chip | gpio | | GPIO | on-chip | gpio |
+-----------+------------+-------------------------------------+ +-------------+------------+-------------------------------------+
| RTC | on-chip | counter | | RTC | on-chip | counter |
+-----------+------------+-------------------------------------+ +-------------+------------+-------------------------------------+
| I2C | on-chip | i2c | | I2C | on-chip | i2c |
+-----------+------------+-------------------------------------+ +-------------+------------+-------------------------------------+
| PWM | on-chip | pwm | | PWM | on-chip | pwm |
+-----------+------------+-------------------------------------+ +-------------+------------+-------------------------------------+
| ETHERNET | on-chip | ethernet | | ETHERNET | on-chip | ethernet |
+-----------+------------+-------------------------------------+ +-------------+------------+-------------------------------------+
| RNG | on-chip | True Random number generator | | RNG | on-chip | True Random number generator |
+-----------+------------+-------------------------------------+ +-------------+------------+-------------------------------------+
| Backup SRAM | on-chip | Backup SRAM |
+-------------+------------+-------------------------------------+
Other hardware features are not yet supported on this Zephyr port. 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 Nucleo H723ZG board has 4 UARTs and 4 USARTs. The Zephyr console output is
assigned to UART3. Default settings are 115200 8N1. 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 Programming and Debugging
************************* *************************

4
boards/arm/nucleo_h723zg/nucleo_h723zg.dts
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@ -105,6 +105,10 @@
clock-frequency = <I2C_BITRATE_FAST>; clock-frequency = <I2C_BITRATE_FAST>;
}; };
&backup_sram {
status = "okay";
};
&timers12 { &timers12 {
status = "okay"; status = "okay";

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

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