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SubjectRe: [PATCH v7 1/2] mtd: arasan: Add device tree binding documentation
On Mon, Jan 09, 2017 at 08:28:53AM +0530, Punnaiah Choudary Kalluri wrote:
> This patch adds the dts binding document for arasan nand flash
> controller.
>
> Signed-off-by: Punnaiah Choudary Kalluri <punnaia@xilinx.com>
> ---
> Changes in v7:
> - Corrected the acronyms those should be in caps
> changes in v6:
> - Removed num-cs property
> - Separated nandchip from nand controller
> changes in v5:
> - None
> Changes in v4:
> - Added num-cs property
> - Added clock support
> Changes in v3:
> - None
> Changes in v2:
> - None
> ---
> .../devicetree/bindings/mtd/arasan_nfc.txt | 38 ++++++++++++++++++++++
> 1 file changed, 38 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mtd/arasan_nfc.txt
>
> diff --git a/Documentation/devicetree/bindings/mtd/arasan_nfc.txt b/Documentation/devicetree/bindings/mtd/arasan_nfc.txt
> new file mode 100644
> index 0000000..f20adfc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/arasan_nfc.txt
> @@ -0,0 +1,38 @@
> +Arasan NAND Flash Controller with ONFI 3.1 support
> +
> +Required properties:
> +- compatible: Should be "arasan,nfc-v3p10"

Needs a note that it must also have an SoC specific compatible string.

> +- reg: Memory map for module access
> +- interrupt-parent: Interrupt controller the interrupt is routed through
> +- interrupts: Should contain the interrupt for the device
> +- clock-name: List of input clocks - "clk_sys", "clk_flash"

clk_ is redundant.

> + (See clock bindings for details)
> +- clocks: Clock phandles (see clock bindings for details)
> +
> +Optional properties:
> +- arasan,has-mdma: Enables DMA support
> +
> +For NAND partition information please refer the below file
> +Documentation/devicetree/bindings/mtd/partition.txt
> +
> +Example:
> + nand0: nand@ff100000 {
> + compatible = "arasan,nfc-v3p10"
> + reg = <0x0 0xff100000 0x1000>;
> + clock-name = "clk_sys", "clk_flash"
> + clocks = <&misc_clk &misc_clk>;
> + interrupt-parent = <&gic>;
> + interrupts = <0 14 4>;
> + arasan,has-mdma;
> + #address-cells = <1>;
> + #size-cells = <0>
> +
> + nand@0 {
> + reg = <0>
> + partition@0 {
> + label = "filesystem";
> + reg = <0x0 0x0 0x1000000>;
> + };
> + (...)
> + };
> + };
> --
> 2.7.4
>
> --
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