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Tue, 12 May 2026 01:09:30 -0500 Received: from satlexmb07.amd.com (10.181.42.216) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Tue, 12 May 2026 01:09:29 -0500 Received: from xhdshubhraj40.xilinx.com (10.180.168.240) by satlexmb07.amd.com (10.181.42.216) with Microsoft SMTP Server id 15.2.2562.41 via Frontend Transport; Tue, 12 May 2026 01:09:25 -0500 From: Shubhrajyoti Datta To: CC: , , Shubhrajyoti Datta , Srinivas Neeli , Michal Simek , Linus Walleij , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski , Conor Dooley , , , Subject: [PATCH v4 2/3] dt-bindings: gpio: Add EIO GPIO compatible to gpio-zynq Date: Tue, 12 May 2026 11:38:48 +0530 Message-ID: <20260512060917.2096456-3-shubhrajyoti.datta@amd.com> X-Mailer: git-send-email 2.49.1 In-Reply-To: <20260512060917.2096456-1-shubhrajyoti.datta@amd.com> References: <20260512060917.2096456-1-shubhrajyoti.datta@amd.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Received-SPF: None (SATLEXMB04.amd.com: shubhrajyoti.datta@amd.com does not designate permitted sender hosts) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF0001AB50:EE_|DS3PR12MB999241:EE_ X-MS-Office365-Filtering-Correlation-Id: 110db0e7-2d38-482e-8e81-08deafed0edd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|7416014|376014|36860700016|22082099003|18002099003|56012099003|11063799003; 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The EIO GPIO block has 2 banks with 26 GPIOs each (52 total). The GPIO width cannot be determined from the hardware registers, the driver relies on the compatible string to select the correct bank/pin configuration. A new compatible is therefore required. The block is currently present on xa2ve3288 silicon. The compatible string uses version 1.0 matching the IP core version. Acked-by: Rob Herring (Arm) Signed-off-by: Shubhrajyoti Datta --- Changes in v4: - Remove the min 52 for eio Changes in v3: - Update the commit message Changes in v2: - Add description of EIO block .../devicetree/bindings/gpio/gpio-zynq.yaml | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml b/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml index 30a7f836c341..de24bb361e9f 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml +++ b/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml @@ -12,6 +12,7 @@ maintainers: properties: compatible: enum: + - xlnx,eio-gpio-1.0 - xlnx,pmc-gpio-1.0 - xlnx,versal-gpio-1.0 - xlnx,zynq-gpio-1.0 @@ -30,7 +31,7 @@ properties: gpio-line-names: description: strings describing the names of each gpio line - minItems: 58 + minItems: 52 maxItems: 174 interrupt-controller: true @@ -89,6 +90,16 @@ allOf: minItems: 116 maxItems: 116 + - if: + properties: + compatible: + enum: + - xlnx,eio-gpio-1.0 + then: + properties: + gpio-line-names: + maxItems: 52 + required: - compatible - reg -- 2.34.1