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boards: efr32_slwstk6061a: Add support for spi nor flash

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This commit adds support for the on-board flash MX25R8035F that is
directly connected to the efr32fg soc.

Signed-off-by: Christian Taedcke <hacking@taedcke.com>
This commit is contained in:
Christian Taedcke 2019-11-11 10:50:28 +01:00 • committed by Maureen Helm
commit 20aa2bcf05
4 changed files with 43 additions and 0 deletions
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10
boards/arm/efr32_slwstk6061a/doc/index.rst
View file

@ -69,6 +69,8 @@ The efr32_slwstk6061a board configuration supports the following hardware featur
| UART | on-chip | serial port-polling; |
| | | serial port-interrupt |
+-----------+------------+-------------------------------------+
| SPI(M) | on-chip | spi port-polling |
+-----------+------------+-------------------------------------+
The default configuration can be found in the defconfig file:
@ -103,6 +105,14 @@ means Pin number 2 on PORTA, as used in the board's datasheets and manuals.
+-------+-------------+-------------------------------------+
| PA1 | USART0_RX | UART Console EFM_BC_RX US0_RX #0 |
+-------+-------------+-------------------------------------+
| PC6 | SPI_MOSI | Flash MOSI US1_TX #11 |
+-------+-------------+-------------------------------------+
| PC7 | SPI_MISO | Flash MISO US1_RX #11 |
+-------+-------------+-------------------------------------+
| PC8 | SPI_SCLK | Flash SCLK US1_CLK #11 |
+-------+-------------+-------------------------------------+
| PA4 | SPI_CS | Flash Chip Select (GPIO) |
+-------+-------------+-------------------------------------+
System Clock
============

25
boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.dts
View file

@ -66,6 +66,31 @@
status = "okay";
};
&usart1 {
compatible = "silabs,gecko-spi-usart";
#address-cells = <1>;
#size-cells = <0>;
location-rx = <GECKO_LOCATION(11) GECKO_PORT_C GECKO_PIN(7)>;
location-tx = <GECKO_LOCATION(11) GECKO_PORT_C GECKO_PIN(6)>;
location-clk = <GECKO_LOCATION(11) GECKO_PORT_C GECKO_PIN(8)>;
cs-gpios = <&gpioa 4 0>;
status = "okay";
mx25r80: mx25r8035f@0 {
compatible = "jedec,spi-nor";
label = "MX25R8035F";
reg = <0>;
spi-max-frequency = <80000000>;
size = <0x800000>;
has-be32k;
jedec-id = [c2 28 14];
};
};
&rtcc0 {
prescaler = <1>;
status = "okay";

1
boards/arm/efr32_slwstk6061a/efr32_slwstk6061a.yaml
View file

@ -11,6 +11,7 @@ toolchain:
supported:
- gpio
- nvs
- spi
testing:
ignore_tags:
- net

7
soc/arm/silabs_exx32/efr32fg1p/Kconfig.defconfig.efr32fg1p
View file

@ -30,3 +30,10 @@ config SOC_FLASH_GECKO
default y
endif # FLASH
if SPI
config SPI_GECKO
default y
endif # SPI