Re: [PATCH] ARM: dts: imx7d: use operating-points-v2 for cpu

From: Shawn Guo
Date: Sun May 20 2018 - 07:56:29 EST


On Wed, May 16, 2018 at 12:48:17PM +0800, Anson Huang wrote:
> This patch uses "operating-points-v2" instead of
> "operating-points" to be more fit with cpufreq-dt
> driver.
>
> Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
> ---
> arch/arm/boot/dts/imx7d.dtsi | 24 +++++++++++++++++++-----
> 1 file changed, 19 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm/boot/dts/imx7d.dtsi b/arch/arm/boot/dts/imx7d.dtsi
> index 4c9877e..28980c8 100644
> --- a/arch/arm/boot/dts/imx7d.dtsi
> +++ b/arch/arm/boot/dts/imx7d.dtsi
> @@ -9,12 +9,8 @@
> / {
> cpus {
> cpu0: cpu@0 {
> - operating-points = <
> - /* KHz uV */
> - 996000 1075000
> - 792000 975000
> - >;
> clock-frequency = <996000000>;
> + operating-points-v2 = <&cpu0_opp_table>;
> };
>
> cpu1: cpu@1 {
> @@ -22,6 +18,24 @@
> device_type = "cpu";
> reg = <1>;
> clock-frequency = <996000000>;
> + operating-points-v2 = <&cpu0_opp_table>;
> + };
> + };
> +
> + cpu0_opp_table: opp_table0 {

Hyphen is recommended in node name. Also the suffix 0 doesn't mean too
much here. That said, a better node name would be 'opp-table'.

> + compatible = "operating-points-v2";
> + opp-shared;
> +
> + opp-792000000 {
> + opp-hz = /bits/ 64 <792000000>;
> + opp-microvolt = <975000>;
> + clock-latency-ns = <150000>;
> + };

We recommend to have a newline between nodes.

I fixed them all and applied the patch.

Shawn

> + opp-996000000 {
> + opp-hz = /bits/ 64 <996000000>;
> + opp-microvolt = <1075000>;
> + clock-latency-ns = <150000>;
> + opp-suspend;
> };
> };
>
> --
> 2.7.4
>