[PATCH v2 02/48] dt-bindings: memory: tegra30: emc: Replace core regulator with power domain

Rob Herring robh at kernel.org
Mon Dec 21 22:54:05 UTC 2020


On Thu, Dec 17, 2020 at 09:05:52PM +0300, Dmitry Osipenko wrote:
> Power domain fits much better than a voltage regulator in regards to
> a proper hardware description and from a software perspective as well.
> Hence replace the core regulator with the power domain. Note that this
> doesn't affect any existing DTBs because we haven't started to use the
> regulator yet, and thus, it's okay to change it.
> 
> Signed-off-by: Dmitry Osipenko <digetx at gmail.com>
> ---
>  .../bindings/memory-controllers/nvidia,tegra30-emc.yaml     | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml
> index 0a2e2c0d0fdd..7b4af9169b0b 100644
> --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml
> +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml
> @@ -39,9 +39,9 @@ properties:
>      description:
>        Phandle of the Memory Controller node.
>  
> -  core-supply:
> +  power-domains:
>      description:
> -      Phandle of voltage regulator of the SoC "core" power domain.
> +      Phandle to the SoC "core" power domain.

power-domains needs to define how many (maxItems).

>  
>    operating-points-v2:
>      description:
> @@ -241,7 +241,7 @@ examples:
>  
>          nvidia,memory-controller = <&mc>;
>          operating-points-v2 = <&dvfs_opp_table>;
> -        core-supply = <&vdd_core>;
> +        power-domains = <&domain>;
>  
>          #interconnect-cells = <0>;
>  
> -- 
> 2.29.2
> 


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