On Mon, Jul 17, 2023 at 03:03:46PM +0530, Sai Krishna Potthuri wrote:
> Add 'output-enable' configuration parameter to the properties list.
>
> Using these pinctrl properties observed hang issues with older Xilinx
> ZynqMP Platform Management Firmware, hence reverted the patch previously.
> Commit ff8356060e3a5e126abb ("Revert "dt-bindings: pinctrl-zynqmp: Add
> output-enable configuration"").
And what has changed since then that makes it okay to add?
Is the old firmware not still in the wild?
Thanks,
Conor.
>
> Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@xxxxxxx>
> ---
> .../devicetree/bindings/pinctrl/xlnx,zynqmp-pinctrl.yaml | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/xlnx,zynqmp-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/xlnx,zynqmp-pinctrl.yaml
> index 2722dc7bb03d..1e2b9b627b12 100644
> --- a/Documentation/devicetree/bindings/pinctrl/xlnx,zynqmp-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/xlnx,zynqmp-pinctrl.yaml
> @@ -274,6 +274,10 @@ patternProperties:
> slew-rate:
> enum: [0, 1]
>
> + output-enable:
> + description:
> + This will internally disable the tri-state for MIO pins.
> +
> drive-strength:
> description:
> Selects the drive strength for MIO pins, in mA.
> --
> 2.25.1
>
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