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Fri, 30 Nov 2018 04:29:12 +0000 Received: from VI1PR04MB5021.eurprd04.prod.outlook.com ([fe80::d07c:4dc2:d18:c359]) by VI1PR04MB5021.eurprd04.prod.outlook.com ([fe80::d07c:4dc2:d18:c359%2]) with mapi id 15.20.1339.031; Fri, 30 Nov 2018 04:29:12 +0000 From: Clark Wang To: "broonie@kernel.org" CC: "linux-spi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Clark Wang Subject: [PATCH V2 4/4] doc: lpspi: Document DT bindings for LPSPI slave mode Thread-Topic: [PATCH V2 4/4] doc: lpspi: Document DT bindings for LPSPI slave mode Thread-Index: AQHUiGU+2wJxwALiREybRqYs4xbk9w== Date: Fri, 30 Nov 2018 04:29:12 +0000 Message-ID: <20181130042753.28756-5-xiaoning.wang@nxp.com> References: <20181130042753.28756-1-xiaoning.wang@nxp.com> In-Reply-To: <20181130042753.28756-1-xiaoning.wang@nxp.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: SG2PR06CA0220.apcprd06.prod.outlook.com (2603:1096:4:68::28) To VI1PR04MB5021.eurprd04.prod.outlook.com (2603:10a6:803:59::26) authentication-results: spf=none (sender IP is ) smtp.mailfrom=xiaoning.wang@nxp.com; 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Add introductions of interrupt-parent and spi-slave. Signed-off-by: Clark Wang --- Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt index 8d178a4503cf..9e44d85e0a68 100644 --- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt +++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt @@ -3,10 +3,12 @@ Required properties: - compatible : - "fsl,imx7ulp-spi" for LPSPI compatible with the one integrated on i.MX7ULP soc - - "fsl,imx8qxp-spi" for LPSPI compatible with the one integrated on i.MX8QXP soc - reg : address and length of the lpspi master registers +- interrupt-parent : core interrupt controller - interrupts : lpspi interrupt - clocks : lpspi clock specifier +- spi-slave : spi slave mode support. In slave mode, add this attribute without + value. In master mode, remove it. Examples: @@ -16,4 +18,5 @@ lpspi2: lpspi@40290000 { interrupt-parent = <&intc>; interrupts = ; clocks = <&clks IMX7ULP_CLK_LPSPI2>; + spi-slave; };