Message ID | 1551316741-7848-1-git-send-email-Anson.Huang@nxp.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Thu, 28 Feb 2019 01:23:48 +0000 From: Anson Huang <anson.huang@nxp.com> To: "robh+dt@kernel.org" <robh+dt@kernel.org>, "mark.rutland@arm.com" <mark.rutland@arm.com>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "s.hauer@pengutronix.de" <s.hauer@pengutronix.de>, "kernel@pengutronix.de" <kernel@pengutronix.de>, "festevam@gmail.com" <festevam@gmail.com>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org> Subject: [PATCH V2 1/3] dt-bindings: memory-controllers: freescale: add MMDC binding doc Thread-Topic: [PATCH V2 1/3] dt-bindings: memory-controllers: freescale: add MMDC binding doc Thread-Index: AQHUzwRBQnaGtby3d0KJgz1cGu78Dw== Date: Thu, 28 Feb 2019 01:23:48 +0000 Message-ID: <1551316741-7848-1-git-send-email-Anson.Huang@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.7.4 x-clientproxiedby: HK2P15301CA0017.APCP153.PROD.OUTLOOK.COM (2603:1096:202:1::27) To DB3PR0402MB3916.eurprd04.prod.outlook.com (2603:10a6:8:10::18) authentication-results: spf=none (sender IP is ) smtp.mailfrom=anson.huang@nxp.com; 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[V2,1/3] dt-bindings: memory-controllers: freescale: add MMDC binding doc
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diff --git a/Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.txt b/Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.txt new file mode 100644 index 0000000..5750274 --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.txt @@ -0,0 +1,31 @@ +Freescale Multi Mode DDR controller (MMDC) + +Required properties : +- compatible : should be one of following: + for i.MX6Q/i.MX6DL: + - "fsl,imx6q-mmdc"; + for i.MX6SL: + - "fsl,imx6sl-mmdc", "fsl,imx6q-mmdc"; + for i.MX6SLL: + - "fsl,imx6sll-mmdc", "fsl,imx6q-mmdc"; + for i.MX6SX: + - "fsl,imx6sx-mmdc", "fsl,imx6q-mmdc"; + for i.MX6UL/i.MX6ULL/i.MX6ULZ: + - "fsl,imx6ul-mmdc", "fsl,imx6q-mmdc"; + for i.MX7ULP: + - "fsl,imx7ulp-mmdc", "fsl,imx6q-mmdc"; +- reg : address and size of MMDC DDR controller registers + +Optional properties : +- clocks : the clock provided by the SoC to access the MMDC registers + +Example : + mmdc0: memory-controller@21b0000 { /* MMDC0 */ + compatible = "fsl,imx6q-mmdc"; + reg = <0x021b0000 0x4000>; + clocks = <&clks IMX6QDL_CLK_MMDC_P0_IPG>; + }; + + mmdc1: memory-controller@21b4000 { /* MMDC1 */ + reg = <0x021b4000 0x4000>; + };
Freescale MMDC (Multi Mode DDR Controller) driver is supported since i.MX6Q, but not yet documented, this patch adds binding doc for MMDC module driver. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> --- Changes since V1: - use "memory-controller" as MMDC node name and update examples. --- .../bindings/memory-controllers/fsl/mmdc.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.txt