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SubjectRe: [PATCH v9 4/4] nvmem: Add DT binding documentation for Vybrid OCOTP driver
On Wed, Aug 12, 2015 at 06:49:21PM +0530, Sanchayan Maity wrote:
> Add the devicetree bindings for the Freescale Vybrid On-Chip
> OTP driver.
>
> Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
> Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> ---
> .../devicetree/bindings/nvmem/vf610-ocotp.txt | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/nvmem/vf610-ocotp.txt
>
> diff --git a/Documentation/devicetree/bindings/nvmem/vf610-ocotp.txt b/Documentation/devicetree/bindings/nvmem/vf610-ocotp.txt
> new file mode 100644
> index 0000000..b29f65f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/nvmem/vf610-ocotp.txt
> @@ -0,0 +1,21 @@
> +On-Chip OTP Memory for Freescale Vybrid
> +
> +Required Properties:
> + compatible:
> + - "fsl,vf610-ocotp" for VF5xx/VF6xx
> + #address-cells : Should be 1
> + #size-cells : Should be 1
> + reg : Address and length of OTP controller and fuse map registers
> + clocks : ipg clock we associate with the OCOTP peripheral
> + clock-names : Must contain "ocotp" as matching entry

I'm not sure "ocotp" is a good name for describing a clock from OCOTP
internal point of view. "ipg" might be better. But I would suggest you
drop clock-names property completely, if "ipg" is the only clock you
need to describe here. The clock-names is necessary only when there are
multiple clocks to distinguish.

With clock-names dropped, the driver works by passing NULL as the second
parameter to devm_clk_get() call.

Shawn

> +
> +Example for Vybrid VF5xx/VF6xx:
> +
> + ocotp: ocotp@400a5000 {
> + compatible = "fsl,vf610-ocotp";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + reg = <0x400a5000 0xCF0>;
> + clocks = <&clks VF610_CLK_OCOTP>;
> + clock-names = "ocotp";
> + };
> --
> 2.5.0
>


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