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-rw-r--r--dts/Bindings/spi/spi-stm32.txt9
1 files changed, 6 insertions, 3 deletions
diff --git a/dts/Bindings/spi/spi-stm32.txt b/dts/Bindings/spi/spi-stm32.txt
index 1b3fa2c..d82755c 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: