Re: [PATCH v1 1/3] dt-bindings: Document Broadcom OTP controller driver

From: Rob Herring
Date: Sun Oct 30 2016 - 21:40:11 EST


On Mon, Oct 24, 2016 at 12:12:02PM -0700, Jonathan Richardson wrote:
> From: Jonathan Richardson <jonathar@xxxxxxxxxxxx>
>
> Reviewed-by: Ray Jui <ray.jui@xxxxxxxxxxxx>
> Tested-by: Jonathan Richardson <jonathan.richardson@xxxxxxxxxxxx>
> Signed-off-by: Scott Branden <scott.branden@xxxxxxxxxxxx>
> Signed-off-by: Oza Pawandeep <oza@xxxxxxxxxxxx>
> Signed-off-by: Jonathan Richardson <jonathan.richardson@xxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/nvmem/brcm,ocotp.txt | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/nvmem/brcm,ocotp.txt
>
> diff --git a/Documentation/devicetree/bindings/nvmem/brcm,ocotp.txt b/Documentation/devicetree/bindings/nvmem/brcm,ocotp.txt
> new file mode 100644
> index 0000000..6462e12
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/nvmem/brcm,ocotp.txt
> @@ -0,0 +1,17 @@
> +Broadcom OTP memory controller
> +
> +Required Properties:
> +- compatible: "brcm,ocotp" for the first generation Broadcom OTPC which is used
> + in Cygnus and supports 32 bit read/write. Use "brcm,ocotp-v2" for the second
> + generation Broadcom OTPC which is used in SoC's such as Stingray and supports
> + 64-bit read/write.

These should be SoC specific. While I'd guess this block is simple
enough, having the SoC can define what all the bits are. Yes, there is a
binding to define those, but you may not use that.


> +- reg: Base address of the OTP controller.
> +- brcm,ocotp-size: Amount of memory available, in 32 bit words
> +
> +Example:
> +
> +otp: otp@0301c800 {
> + compatible = "brcm,ocotp";
> + reg = <0x0301c800 0x2c>;
> + brcm,ocotp-size = <2048>;
> +};
> --
> 1.9.1
>