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Message-ID: <CAPDyKFrx4vyiv6evTPn-j5zn_g1Rc2Azd_XX5NnXzN19NOdHQw@mail.gmail.com>
Date:   Thu, 2 Dec 2021 15:45:33 +0100
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     robh@...nel.org, arnd@...aro.org, heiko@...ech.de,
        rjw@...ysocki.net, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        lukasz.luba@....com, Robin Murphy <robin.murphy@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Johan Jonker <jbx6244@...il.com>,
        Helen Koike <helen.koike@...labora.com>,
        Brian Norris <briannorris@...omium.org>,
        Elaine Zhang <zhangqing@...k-chips.com>,
        "moderated list:ARM/Rockchip SoC support" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:ARM/Rockchip SoC support" 
        <linux-rockchip@...ts.infradead.org>
Subject: Re: [PATCH v3 2/5] arm64: dts: rockchip: Add powerzones definition
 for rock960

On Wed, 1 Dec 2021 at 17:42, Daniel Lezcano <daniel.lezcano@...aro.org> wrote:
>
> Add the powerzones description. This first step introduces the big,
> the little as powerzone places.
>
> Cc: Robin Murphy <robin.murphy@....com>
> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
> ---
>    V3:
>      - Remove GPU section as no power is available (yet)
>      - Remove '#powerzone-cells' conforming to the bindings change
>    V2:
>      - Move description in the SoC dtsi specific file
>    V1: Initial post
> ---
>  arch/arm64/boot/dts/rockchip/rk3399.dtsi | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> index d3cdf6f42a30..c41b20888a44 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> @@ -76,6 +76,7 @@ cpu_l0: cpu@0 {
>                         #cooling-cells = <2>; /* min followed by max */
>                         dynamic-power-coefficient = <100>;
>                         cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> +                       powerzone = <&PKG_PZ>;
>                 };
>
>                 cpu_l1: cpu@1 {
> @@ -88,6 +89,7 @@ cpu_l1: cpu@1 {
>                         #cooling-cells = <2>; /* min followed by max */
>                         dynamic-power-coefficient = <100>;
>                         cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> +                       powerzone = <&PKG_PZ>;
>                 };
>
>                 cpu_l2: cpu@2 {
> @@ -100,6 +102,7 @@ cpu_l2: cpu@2 {
>                         #cooling-cells = <2>; /* min followed by max */
>                         dynamic-power-coefficient = <100>;
>                         cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> +                       powerzone = <&PKG_PZ>;
>                 };
>
>                 cpu_l3: cpu@3 {
> @@ -112,6 +115,7 @@ cpu_l3: cpu@3 {
>                         #cooling-cells = <2>; /* min followed by max */
>                         dynamic-power-coefficient = <100>;
>                         cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> +                       powerzone = <&PKG_PZ>;
>                 };
>
>                 cpu_b0: cpu@100 {
> @@ -124,6 +128,7 @@ cpu_b0: cpu@100 {
>                         #cooling-cells = <2>; /* min followed by max */
>                         dynamic-power-coefficient = <436>;
>                         cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> +                       powerzone = <&PKG_PZ>;
>
>                         thermal-idle {
>                                 #cooling-cells = <2>;
> @@ -142,6 +147,7 @@ cpu_b1: cpu@101 {
>                         #cooling-cells = <2>; /* min followed by max */
>                         dynamic-power-coefficient = <436>;
>                         cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP>;
> +                       powerzone = <&PKG_PZ>;
>
>                         thermal-idle {
>                                 #cooling-cells = <2>;
> @@ -791,6 +797,17 @@ spi5: spi@...00000 {
>                 status = "disabled";
>         };
>
> +       powerzones {
> +
> +               PKG_PZ: pkg {
> +                       #powerzone-cells = <0>;
> +                        powerzone = <&SOC_PZ>;
> +               };
> +
> +               SOC_PZ: soc {

This needs "#powerzone-cells = <0>;"

> +               };
> +       };
> +
>         thermal_zones: thermal-zones {
>                 cpu_thermal: cpu-thermal {
>                         polling-delay-passive = <100>;
> --
> 2.25.1
>

Other than the minor thing above, feel free to add:

Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>

Kind regards
Uffe

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