From 215960408d7fa241f980bcc9e31e8b5caf8ec268 Mon Sep 17 00:00:00 2001 From: Ramona Gradinariu Date: Fri, 27 Oct 2023 17:03:57 +0300 Subject: [PATCH] dt-bindings: adis16475: Add 'spi-cs-inactive-delay-ns' property The devices supported by adis16475 driver require a stall period between SPI transactions (during which the chip select is inactive), with a minimum value equal to 16 microseconds, thus adding 'spi-cs-inactive-delay-ns' property, which should indicate the stall time between consecutive SPI transactions. The specified minimum time may not be sufficient for all configurations. Signed-off-by: Ramona Gradinariu Reviewed-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20231027140358.328699-3-ramona.gradinariu@analog.com Signed-off-by: Jonathan Cameron --- Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml b/Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml index c73533c54588..9b7ad609f7db 100644 --- a/Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml +++ b/Documentation/devicetree/bindings/iio/imu/adi,adis16475.yaml @@ -47,6 +47,10 @@ properties: spi-max-frequency: maximum: 2000000 + spi-cs-inactive-delay-ns: + minimum: 16000 + default: 16000 + interrupts: maxItems: 1