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When enabled as an output, it can be programed to output local data or remote data coming from the remote compatible deserializer. Make a different GPIO range for remote ones. Signed-off-by: Guoniu Zhou Acked-by: Conor Dooley --- Documentation/devicetree/bindings/media/i2c/ti,ds90ub953.yaml | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/media/i2c/ti,ds90ub953.yaml = b/Documentation/devicetree/bindings/media/i2c/ti,ds90ub953.yaml index 2e129bf573b79e0ca8f25b4ec5fc6ea76c50abd7..0444f3739b775848d17adfebc41= 58e83b69adf9c 100644 --- a/Documentation/devicetree/bindings/media/i2c/ti,ds90ub953.yaml +++ b/Documentation/devicetree/bindings/media/i2c/ti,ds90ub953.yaml @@ -20,9 +20,13 @@ properties: =20 '#gpio-cells': const: 2 - description: + description: > First cell is the GPIO pin number, second cell is the flags. The GPI= O pin - number must be in range of [0, 3]. + number must be in range of [0, 3] when enabled as an input. + + If enabled as an output, the GPIO pin number must be in range of + [0, 7] and [0, 3] for local GPIO data, [4, 7] for GPIO data coming + from remote compatible deserializer. =20 gpio-controller: true =20 --=20 2.34.1