Re: [PATCH v1 3/3] mtd: hisilicon: add device tree binding documentation

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On 2014年07月15日 18:58, Zhou Wang wrote:
Signed-off-by: Zhou Wang <wangzhou.bry@xxxxxxxxx>
---
  .../devicetree/bindings/mtd/hisi-nand.txt          |   40 ++++++++++++++++++++
  1 file changed, 40 insertions(+)
  create mode 100644 Documentation/devicetree/bindings/mtd/hisi-nand.txt


Hi Randy Dunlap,

Is there anything that should be modified about this binding document? It would be very appreciated that I could get some comments from you.

Best regards,
Zhou

diff --git a/Documentation/devicetree/bindings/mtd/hisi-nand.txt b/Documentation/devicetree/bindings/mtd/hisi-nand.txt
new file mode 100644
index 0000000..c8b3988
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/hisi-nand.txt
@@ -0,0 +1,40 @@
+Hisilicon Hip04 Soc NAND controller DT binding
+
+Required properties:
+- compatible:          Should be "hisilicon,504-nfc".
+- reg:                 The first contains base physical address and size of
+                       NAND controller's registers. The second contains base
+                       physical address and size of NAND controller's buffer.
+- interrupts:          Interrupt number for nfc.
+- nand-bus-width:      See nand.txt.
+- nand-ecc-mode:       See nand.txt.
+- hisi,nand-ecc-bits:  ECC bits type support.
+                 <0>:  none ecc
+                 <1>:  Can correct 1bit per 512byte.
+                 <6>:  Can correct 16bits per 1K byte.
+- #address-cells:      partition address, should be set 1.
+- #size-cells:         partition size, should be set 1.
+
+Flash chip may optionally contain additional sub-nodes describing partitions of
+the address space. See partition.txt for more detail.
+
+Example:
+
+	nand: nand@4020000 {
+		compatible = "hisilicon,504-nfc";
+		reg = <0x4020000 0x10000>, <0x5000000 0x1000>;
+		interrupts = <0 379 4>;
+		nand-bus-width = <8>;
+		nand-ecc-mode = "hw";
+		hisi,nand-ecc-bits = <1>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		partition@0 {
+			label = "nand_text";
+			reg = <0x00000000 0x00400000>;
+		};
+
+		...
+
+	};


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