Diffstat (limited to 'Documentation/devicetree/bindings/spi/spi-stm32.txt')
1 files changed, 6 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-stm32.txt b/Documentation/devicetree/bindings/spi/spi-stm32.txt
index 1b3fa2c119d5..d82755c63eaf 100644
@@ -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.
-- compatible: Must be "st,stm32h7-spi".
+- compatible: Should be one of:
- 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
-- 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