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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 Reviewed-by: Rob Herring (Arm) --- Changes in v5: - Improve the description for "#gpio-cells" as commented by Conor. Changes in v4: - Use folder block instead of literal block for #gpio-cell property descrip= tion. Changes in v3: - Make GPIO range from 0-3 to 0-7 to support GPIO data from remote compatible deserializer suggested by Rob instead of adding third cell for GPIO controller. Changes in v2: - Remove new property ti,gpio-data - Add third cell for GPIO controller to select GPIO output source. --- 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..143d546ecb482d2eb78a113b1a5= 7afcbff9cca01 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]. + [0, 3] are for local GPIO data and [4, 7] for GPIO data coming from + remote compatible deserializer. =20 gpio-controller: true =20 --=20 2.34.1