linux-kernel - [PATCH v7 2/2] dt-bindings: mtd: Document Macronix raw NAND controller bindings

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Date:   Mon, 19 Aug 2019 15:19:09 +0800
From:   Mason Yang <masonccyang@...c.com.tw>
To:     miquel.raynal@...tlin.com, richard@....at, marek.vasut@...il.com,
        dwmw2@...radead.org, bbrezillon@...nel.org,
        computersforpeace@...il.com, vigneshr@...com, robh+dt@...nel.org,
        stefan@...er.ch, mark.rutland@....com
Cc:     lee.jones@...aro.org, juliensu@...c.com.tw,
        linux-kernel@...r.kernel.org, paul.burton@...s.com,
        liang.yang@...ogic.com, linux-mtd@...ts.infradead.org,
        masonccyang@...c.com.tw, anders.roxell@...aro.org,
        christophe.kerello@...com, paul@...pouillou.net,
        devicetree@...r.kernel.org
Subject: [PATCH v7 2/2] dt-bindings: mtd: Document Macronix raw NAND controller bindings

Document the bindings used by the Macronix raw NAND controller.

Signed-off-by: Mason Yang <masonccyang@...c.com.tw>
---
 .../devicetree/bindings/mtd/mxic-nand.txt          | 36 ++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mtd/mxic-nand.txt

diff --git a/Documentation/devicetree/bindings/mtd/mxic-nand.txt b/Documentation/devicetree/bindings/mtd/mxic-nand.txt
new file mode 100644
index 0000000..46c5529
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/mxic-nand.txt
@@ -0,0 +1,36 @@
+Macronix Raw NAND Controller Device Tree Bindings
+-------------------------------------------------
+
+Required properties:
+- compatible: should be "mxic,multi-itfc-v009-nand-controller"
+- reg: should contain 1 entry for the registers
+- #address-cells: should be set to 1
+- #size-cells: should be set to 0
+- interrupts: interrupt line connected to this raw NAND controller
+- clock-names: should contain "ps", "send" and "send_dly"
+- clocks: should contain 3 phandles for the "ps", "send" and
+	 "send_dly" clocks
+
+Children nodes:
+- children nodes represent the available NAND chips.
+
+See Documentation/devicetree/bindings/mtd/nand-controller.yaml
+for more details on generic bindings.
+
+Example:
+
+	nand: nand-controller@...30000 {
+		compatible = "mxic,multi-itfc-v009-nand-controller";
+		reg = <0x43c30000 0x10000>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		interrupts = <GIC_SPI 0x1d IRQ_TYPE_EDGE_RISING>;
+		clocks = <&clkwizard 0>, <&clkwizard 1>, <&clkc 15>;
+		clock-names = "send", "send_dly", "ps";
+
+		nand@0 {
+			reg = <0>;
+			nand-ecc-mode = "soft";
+			nand-ecc-algo = "bch";
+		};
+	};
-- 
1.9.1