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>
Cc: dl-linux-imx <linux-imx@nxp.com>
Subject: [PATCH 1/2] dt-bindings: memory-controllers: freescale: add MMDC binding doc
Date: Wed, 27 Feb 2019 10:08:47 +0000 [thread overview]
Message-ID: <1551261844-23983-1-git-send-email-Anson.Huang@nxp.com> (raw)
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>
---
.../bindings/memory-controllers/fsl/mmdc.txt | 27 ++++++++++++++++++++++
1 file changed, 27 insertions(+)
create mode 100644 Documentation/devicetree/bindings/memory-controllers/fsl/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..5b5a224
--- /dev/null
+++ b/Documentation/devicetree/bindings/memory-controllers/fsl/mmdc.txt
@@ -0,0 +1,27 @@
+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: mmdc@21b0000 { /* MMDC0 */
+ compatible = "fsl,imx6q-mmdc";
+ reg = <0x021b0000 0x4000>;
+ clocks = <&clks IMX6QDL_CLK_MMDC_P0_IPG>;
+ };
--
2.7.4
next reply other threads:[~2019-02-27 10:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-27 10:08 Anson Huang [this message]
2019-02-27 10:08 ` [PATCH 2/2] ARM: dts: imx7ulp: add mmdc support Anson Huang
2019-02-27 19:50 ` Fabio Estevam
2019-02-28 1:24 ` Anson Huang
2019-02-27 19:47 ` [PATCH 1/2] dt-bindings: memory-controllers: freescale: add MMDC binding doc Fabio Estevam
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