boards: efr32mg_sltb004a: Add support for spi nor flash
This commit adds support for the on-board flash MX25R8035F that is directly connected to the efr32mg soc. Signed-off-by: Christian Taedcke <hacking@taedcke.com>
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5 changed files with 46 additions and 0 deletions
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@ -25,6 +25,9 @@ config GPIO_GECKO_PORTD
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config GPIO_GECKO_PORTF
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default y
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config GPIO_GECKO_PORTK
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default y
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endif # GPIO_GECKO
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if COUNTER
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@ -76,6 +76,8 @@ The efr32mg_sltb004a board configuration supports the following hardware feature
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+-----------+------------+-------------------------------------+
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| I2C | on-chip | i2c port-polling |
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+-----------+------------+-------------------------------------+
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| SPI(M) | on-chip | spi port-polling |
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+-----------+------------+-------------------------------------+
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The default configuration can be found in the defconfig file:
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``boards/arm/efr32mg_sltb004a/efr32mg_sltb004a_defconfig``.
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@ -119,6 +121,14 @@ in the board's and microcontroller's datasheets and manuals.
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+------+-------------+-----------------------------------+
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| PC5 | I2C_SCL | ENV_I2C_SCL I2C1_SCL #17 |
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+------+-------------+-----------------------------------+
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| PK0 | SPI_MOSI | Flash MOSI US2_TX #29 |
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+------+-------------+-----------------------------------+
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| PK2 | SPI_MISO | Flash MISO US2_RX #30 |
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+------+-------------+-----------------------------------+
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| PF7 | SPI_SCLK | Flash SCLK US2_CLK #18 |
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+------+-------------+-----------------------------------+
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| PK1 | SPI_CS | Flash Chip Select (GPIO) |
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+------+-------------+-----------------------------------+
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System Clock
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============
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@ -63,6 +63,31 @@
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status = "okay";
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};
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&usart2 {
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compatible = "silabs,gecko-spi-usart";
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#address-cells = <1>;
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#size-cells = <0>;
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location-rx = <GECKO_LOCATION(30) GECKO_PORT_K GECKO_PIN(2)>;
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location-tx = <GECKO_LOCATION(29) GECKO_PORT_K GECKO_PIN(0)>;
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location-clk = <GECKO_LOCATION(18) GECKO_PORT_F GECKO_PIN(7)>;
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cs-gpios = <&gpiok 1 0>;
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status = "okay";
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mx25r80: mx25r8035f@0 {
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compatible = "jedec,spi-nor";
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label = "MX25R8035F";
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reg = <0>;
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spi-max-frequency = <80000000>;
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size = <0x800000>;
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has-be32k;
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jedec-id = [c2 28 14];
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};
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};
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&leuart0 {
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current-speed = <9600>;
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location-rx = <GECKO_LOCATION(27) GECKO_PORT_F GECKO_PIN(4)>;
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@ -12,6 +12,7 @@ supported:
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- gpio
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- i2c
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- nvs
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- spi
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testing:
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ignore_tags:
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- net
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@ -33,3 +33,10 @@ config SOC_FLASH_GECKO
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default y
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endif # FLASH
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if SPI
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config SPI_GECKO
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default y
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endif # SPI
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