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Diffstat (limited to 'dts/Bindings/spi/spi-stm32.txt')
| -rw-r--r-- | dts/Bindings/spi/spi-stm32.txt | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/dts/Bindings/spi/spi-stm32.txt b/dts/Bindings/spi/spi-stm32.txt index 1b3fa2c119..d82755c63e 100644 --- a/dts/Bindings/spi/spi-stm32.txt +++ b/dts/Bindings/spi/spi-stm32.txt @@ -7,7 +7,9 @@ from 4 to 32-bit data size. Although it can be configured as master or slave, only master is supported by the driver. Required properties: -- compatible: Must be "st,stm32h7-spi". +- compatible: Should be one of: + "st,stm32h7-spi" + "st,stm32f4-spi" - reg: Offset and length of the device's register set. - interrupts: Must contain the interrupt id. - clocks: Must contain an entry for spiclk (which feeds the internal clock @@ -30,8 +32,9 @@ Child nodes represent devices on the SPI bus See ../spi/spi-bus.txt Optional properties: -- st,spi-midi-ns: (Master Inter-Data Idleness) minimum time delay in - nanoseconds inserted between two consecutive data frames. +- st,spi-midi-ns: Only for STM32H7, (Master Inter-Data Idleness) minimum time + delay in nanoseconds inserted between two consecutive data + frames. Example: |