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From:   Anson Huang <anson.huang@nxp.com>
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CC:     dl-linux-imx <linux-imx@nxp.com>
Subject: [PATCH V4 1/3] dt-bindings: memory-controllers: freescale: add MMDC
 binding doc
Thread-Topic: [PATCH V4 1/3] dt-bindings: memory-controllers: freescale: add
 MMDC binding doc
Thread-Index: AQHUz819CWq3wsojT0+oGW04Z701rg==
Date:   Fri, 1 Mar 2019 01:24:18 +0000
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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 V3:
	- add i.MX6QP compatible name.
---
 .../bindings/memory-controllers/fsl/mmdc.txt       | 33 ++++++++++++++++++=
++++
 1 file changed, 33 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/memory-controllers/fs=
l/mmdc.txt

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..e4e0b50
--- /dev/null
+++ b/Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.txt
@@ -0,0 +1,33 @@
+Freescale Multi Mode DDR controller (MMDC)
+
+Required properties :
+- compatible : should be one of following:
+	for i.MX6Q/i.MX6DL:
+	- "fsl,imx6q-mmdc";
+	for i.MX6QP:
+	- "fsl,imx6qp-mmdc", "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 =3D "fsl,imx6q-mmdc";
+		reg =3D <0x021b0000 0x4000>;
+		clocks =3D <&clks IMX6QDL_CLK_MMDC_P0_IPG>;
+	};
+
+	mmdc1: memory-controller@21b4000 { /* MMDC1 */
+		reg =3D <0x021b4000 0x4000>;
+	};
--=20
2.7.4