On Tue, Sep 13, 2016 at 09:51:16PM +0200, Joachim Eastwood wrote:
> Binding documentation for the NXP LPC boot ROM.
>
> Signed-off-by: Joachim Eastwood <manabian@xxxxxxxxx>
> ---
> .../devicetree/bindings/firmware/nxp,boot-rom.txt | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/firmware/nxp,boot-rom.txt
>
> diff --git a/Documentation/devicetree/bindings/firmware/nxp,boot-rom.txt b/Documentation/devicetree/bindings/firmware/nxp,boot-rom.txt
> new file mode 100644
> index 0000000..5f3a044
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/firmware/nxp,boot-rom.txt
> @@ -0,0 +1,21 @@
> +* NXP LPC boot ROM
> +
> +NXP LPC microcontrollers contains a boot ROM used to retrieve part information
> +and access internal Flash memory and OTP memory. Note that the Flash API is
> +not available on Flashless devices.
Is this determined at run-time? If not flashless devices should have a
different compatible string to determine this then.
> +
> +Required properties:
> +- compatible: must contain the following: "nxp,lpc1850-boot-rom".
> +- reg: physical base address of the ROM and length of memory mapped region.
> +- syscon: handle to NXP CREG (Configuration Registers) syscon block.
> +- nvmem-cells: = handle to OTP memory cell which contain the part ID.
> +- nvmem-cell-names: must contain "PartID".
> +
> +Example:
> +boot_rom: firmware@10400000 {
> + compatible = "nxp,lpc1850-boot-rom";
> + reg = <0x10400000 0x10000>;
> + syscon = <&creg>;
> + nvmem-cells = <&part_id>;
> + nvmem-cell-names = "PartID";
> +};
> --
> 2.9.3
>
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