[{"id":3677718,"web_url":"http://patchwork.ozlabs.org/comment/3677718/","msgid":"<20260415-rectal-visible-a8ccb534a176@spud>","list_archive_url":null,"date":"2026-04-15T15:01:03","subject":"Re: [PATCH v2 2/3] dt-bindings: gpio: Add EIO GPIO compatible to\n gpio-zynq","submitter":{"id":84372,"url":"http://patchwork.ozlabs.org/api/people/84372/","name":"Conor Dooley","email":"conor@kernel.org"},"content":"On Wed, Apr 15, 2026 at 04:26:27PM +0530, Shubhrajyoti Datta wrote:\n> EIO (Extended IO) is a GPIO block found on xa2ve3288 silicon..\n\n\nWhy does the compatible have a \"1.0\" when it is in silicon?\nWhy doesn't the compatible contain \"xa2ve3288\"?\nWhy is this device not compatible with existing ones, since\ngpio-lines-names appears to be the sole difference?\n\n> \n> Signed-off-by: Shubhrajyoti Datta \n> ---\n> \n> Changes in v2:\n> - Add description of EIO block in the dt-bindings patch\n> \n> .../devicetree/bindings/gpio/gpio-zynq.yaml | 14 +++++++++++++-\n> 1 file changed, 13 insertions(+), 1 deletion(-)\n> \n> diff --git a/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml b/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml\n> index 30a7f836c341..1ca067217509 100644\n> --- a/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml\n> +++ b/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml\n> @@ -12,6 +12,7 @@ maintainers:\n> properties:\n> compatible:\n> enum:\n> + - xlnx,eio-gpio-1.0\n> - xlnx,pmc-gpio-1.0\n> - xlnx,versal-gpio-1.0\n> - xlnx,zynq-gpio-1.0\n> @@ -30,7 +31,7 @@ properties:\n> \n> gpio-line-names:\n> description: strings describing the names of each gpio line\n> - minItems: 58\n> + minItems: 52\n> maxItems: 174\n> \n> interrupt-controller: true\n> @@ -89,6 +90,17 @@ allOf:\n> minItems: 116\n> maxItems: 116\n> \n> + - if:\n> + properties:\n> + compatible:\n> + enum:\n> + - xlnx,eio-gpio-1.0\n> + then:\n> + properties:\n> + gpio-line-names:\n> + minItems: 52\n> + maxItems: 52\n> +\n> required:\n> - compatible\n> - reg\n> -- \n> 2.34.1\n>","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-gpio@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=I2icnaHq;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c09:e001:a7::12fc:5321; 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