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SubjectRe: [PATCH v4 1/2] ARM: keystone: pm: switch to use generic pm domains
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On Monday 10 November 2014 16:59:16 Grygorii Strashko wrote:
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/ti,keystone-powerdomain.txt
> @@ -0,0 +1,31 @@
> +* TI Keystone 2 Generic PM Controller
> +
> +The TI Keystone 2 Generic PM Controller is responsible for Clock gating
> +for each controlled IP module.
> +
> +Required properties:
> +- compatible: Should be "ti,keystone-powerdomain"
> +- #power-domain-cells: Should be 0, see below:
> +
> +The PM Controller node is a PM domain as documented in
> +Documentation/devicetree/bindings/power/power_domain.txt.
> +
> +Example:
> +
> + pm_controller: pm-controller {
> + compatible = "ti,keystone-powerdomain";
> + #power-domain-cells = <0>;
> + };
> +
> + netcp: netcp@2090000 {
> + reg = <0x2620110 0x8>;
> + reg-names = "efuse";
> + ...
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> + power-domains = <&pm_controller>;
> +
> + clocks = <&clkpa>, <&clkcpgmac>, <&chipclk12>;
> + dma-coherent;
> + }

I don't get it. What keystone specific about a "ti,keystone-powerdomain"
device? It seems that the device has no registers whatsoever and the
driver doesn't really do anything that relates to the platform.

Arnd


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