[PATCH v3 1/2] fsl: Add binding for RCPM

Stuart Yoder stuart.yoder at freescale.com
Thu Oct 1 10:05:43 PDT 2015


> +++ b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt
> @@ -0,0 +1,63 @@
> +* Run Control and Power Management
> +-------------------------------------------
> +The RCPM performs all device-level tasks associated with device run control
> +and power management.
> +
> +Required properites:
> +  - reg : Offset and length of the register set of RCPM block.

s/RCPM block/the RCPM block/

> +  - fsl,#rcpm-wakeup-cells : The number of cells in rcpm-wakeup property.

s/rcpm-wakeup-property/the rcpm-wakeup-property/

> +  - compatible : Sould contain a chip-specific RCPM block compatible string

s/Sould/Should

"Should" means it is recommended, but does not mean "must".  Is it really optional?

> +       and (if applicable) may contain a chassis-version RCPM compatible
> +       string. Chip-specific strings are of the form "fsl,<chip>-rcpm",
> +       such as:
> +       * "fsl,p2041-rcpm"
> +       * "fsl,p3041-rcpm"
> +       * "fsl,p4080-rcpm"
> +       * "fsl,p5020-rcpm"
> +       * "fsl,p5040-rcpm"
> +       * "fsl,t4240-rcpm"
> +       * "fsl,b4420-rcpm"
> +       * "fsl,b4860-rcpm"

2 or 3 examples is enough.

> +       Chassis-version strings are of the form "fsl,qoriq-rcpm-<version>",
> +       such as:
> +       * "fsl,qoriq-rcpm-1.0": for chassis 1.0 rcpm
> +       * "fsl,qoriq-rcpm-2.0": for chassis 2.0 rcpm
> +       * "fsl,qoriq-rcpm-2.1": for chassis 2.1 rcpm
> +
> +All references to "1.0" and "2.0" refer to the QorIQ chassis version to
> +which the chip complies.
> +Chassis Version                Example Chips
> +---------------                -------------------------------
> +1.0                            p4080, p5020, p5040, p2041, p3041
> +2.0                            t4240, b4860, b4420
> +2.1                            t1040, ls1021

Not sure this binding is the place to maintain a table of chassis
versions to SoCs.

Thanks,
Stuart


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