[PATCH 3/3] arm64: dts: allwinner: rg35xx: Enable DVFS CPU frequency scaling

[Andre Przywara]

On Fri,  7 Jun 2024 21:20:35 +1200
Ryan Walklin <ryan at testtoast.com> wrote:

> The Anbernic RG35XX device variants (-2024, -H, -Plus and -SP) are the
> only currently known devices to have an Allwinner H700 SoC. The closely
> related RG28XX also has the H700 but a mainline DT for this device has
> not yet been submitted.
> 
> Include the H616 CPU OPP table in the base device DTS, and increase the
> DCDC1 regulator (vdd-cpu) upper voltage range to 1.16V, allowing the
> CPU to reach 1.5GHz.
> 
> Signed-off-by: Ryan Walklin <ryan at testtoast.com>

Reviewed-by: Andre Przywara <andre.przywara at arm.com>

Cheers,
Andre

> ---
>  .../boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-2024.dts   | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-2024.dts b/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-2024.dts
> index ee30584b6ad70..afb49e65859f9 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-2024.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h700-anbernic-rg35xx-2024.dts
> @@ -6,7 +6,7 @@
>  /dts-v1/;
>  
>  #include "sun50i-h616.dtsi"
> -
> +#include "sun50i-h616-cpu-opp.dtsi"
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/linux-event-codes.h>
>  #include <dt-bindings/interrupt-controller/arm-gic.h>
> @@ -221,7 +221,7 @@ regulators {
>  			reg_dcdc1: dcdc1 {
>  				regulator-always-on;
>  				regulator-min-microvolt = <900000>;
> -				regulator-max-microvolt = <1100000>;
> +				regulator-max-microvolt = <1160000>;
>  				regulator-name = "vdd-cpu";
>  			};
>