[PATCH v2 1/9] dt-bindings: spi: Add spi-buses property

From: Sean Anderson
Date: Mon Jun 16 2025 - 18:01:27 EST


From: David Lechner <dlechner@xxxxxxxxxxxx>

Add a spi-buses property to the spi-peripheral-props binding to allow
specifying the SPI bus or buses that a peripheral is connected to in
cases where the SPI controller has more than one physical SPI bus.

Signed-off-by: David Lechner <dlechner@xxxxxxxxxxxx>
Signed-off-by: Sean Anderson <sean.anderson@xxxxxxxxx>
---

Changes in v2:
- New

.../devicetree/bindings/spi/spi-peripheral-props.yaml | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
index 8fc17e16efb2..cfdb55071a08 100644
--- a/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-peripheral-props.yaml
@@ -89,6 +89,16 @@ properties:
description:
Delay, in microseconds, after a write transfer.

+ spi-buses:
+ description:
+ Array of bus numbers that describes which SPI buses of the controller are
+ connected to the peripheral. This only applies to peripherals connected
+ to specialized SPI controllers that have multiple SPI buses on a single
+ controller.
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 1
+ default: [0]
+
stacked-memories:
description: Several SPI memories can be wired in stacked mode.
This basically means that either a device features several chip
--
2.35.1.1320.gc452695387.dirty