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Tue, 6 Dec 2022 22:54:33 +0000 From: Han Xu To: broonie@kernel.org, linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org Cc: han.xu@nxp.com Subject: [PATCH 2/2] dt-bindings: spi: spi-fsl-lpspi: add num-cs for lpspi Date: Tue, 6 Dec 2022 16:54:10 -0600 Message-Id: <20221206225410.604482-2-han.xu@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221206225410.604482-1-han.xu@nxp.com> References: <20221206225410.604482-1-han.xu@nxp.com> X-ClientProxiedBy: BY5PR13CA0001.namprd13.prod.outlook.com (2603:10b6:a03:180::14) To GV1PR04MB9071.eurprd04.prod.outlook.com (2603:10a6:150:22::11) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: GV1PR04MB9071:EE_|PA4PR04MB9318:EE_ X-MS-Office365-Filtering-Correlation-Id: 5eed93a3-a964-494f-8ac3-08dad7dcd74a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; 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This property is optional. Signed-off-by: Han Xu Acked-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml index 8b44284d30c6..94caa2b7e241 100644 --- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml +++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml @@ -56,6 +56,13 @@ properties: this property to re-config the chipselect value in the LPSPI driver. type: boolean + num-cs: + description: + number of chip selects. + minimum: 1 + maximum: 2 + default: 1 + required: - compatible - reg @@ -80,4 +87,5 @@ examples: clock-names = "per", "ipg"; spi-slave; fsl,spi-only-use-cs1-sel; + num-cs = <2>; };