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Fri, 7 Dec 2018 02:50:41 +0000 Received: from AM6PR04MB5016.eurprd04.prod.outlook.com ([fe80::c518:be51:28b2:24c3]) by AM6PR04MB5016.eurprd04.prod.outlook.com ([fe80::c518:be51:28b2:24c3%5]) with mapi id 15.20.1404.021; Fri, 7 Dec 2018 02:50:41 +0000 From: Clark Wang To: "broonie@kernel.org" CC: "linux-spi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Clark Wang Subject: [PATCH V3 4/4] doc: lpspi: Document DT bindings for LPSPI slave mode Thread-Topic: [PATCH V3 4/4] doc: lpspi: Document DT bindings for LPSPI slave mode Thread-Index: AQHUjdekfLWah/JENEWCqX2dQrhepw== Date: Fri, 7 Dec 2018 02:50:41 +0000 Message-ID: <20181207024924.6315-5-xiaoning.wang@nxp.com> References: <20181207024924.6315-1-xiaoning.wang@nxp.com> In-Reply-To: <20181207024924.6315-1-xiaoning.wang@nxp.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: SG2PR0601CA0011.apcprd06.prod.outlook.com (2603:1096:3::21) To AM6PR04MB5016.eurprd04.prod.outlook.com (2603:10a6:20b:9::24) authentication-results: spf=none (sender IP is ) smtp.mailfrom=xiaoning.wang@nxp.com; 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Signed-off-by: Clark Wang --- Change log: V2: - No change. V3: - Keep the description of "fsl,imx8qxp-spi" in spi-fsl-lpspi.txt. --- Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt index 8d178a4503cf..6cc3c6fe25a3 100644 --- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt +++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt @@ -5,8 +5,11 @@ Required properties: - "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 +19,5 @@ lpspi2: lpspi@40290000 { interrupt-parent = <&intc>; interrupts = ; clocks = <&clks IMX7ULP_CLK_LPSPI2>; + spi-slave; };