[PATCHv3 2/5] spi: dt-bindings: support devices with multiple chipselects

Sebastian Reichel
2021-05-28T11:37:19Z

Add binding support for devices, that have more than one
chip select. A typical example are SPI connected microcontroller,
that can also be programmed over SPI like NXP Kinetis or
chips with a configuration and a data chip select, such as
Microchip's MRF89XA transceiver.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
---
Documentation/devicetree/bindings/spi/spi-controller.yaml | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/spi/spi-controller.yaml b/Documentation/devicetree/bindings/spi/spi-controller.yaml
index 0477396e4945..faef4f6f55b8 100644
--- a/Documentation/devicetree/bindings/spi/spi-controller.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-controller.yaml
@@ -114,8 +114,11 @@ patternProperties:
Compatible of the SPI device.

reg:
- minimum: 0
- maximum: 256
+ minItems: 1
+ maxItems: 256
+ items:
+ minimum: 0
+ maximum: 256
description:
Chip select used by the device.

--
2.30.2