Re: [PATCH 4/8] arm64: dts: allwinner: Add ARM Mali GPU node for H6

Clément Péron
2019-04-11T07:56:44Z

Hi,

On Thu, 11 Apr 2019 at 09:28, Maxime Ripard <maxime.ripard@bootlin.com> wrote:
>
> On Thu, Apr 11, 2019 at 01:25:39AM +0200, Clément Péron wrote:
> > Add the mali gpu node to the H6 device-tree.
> >
> > Signed-off-by: Clément Péron <peron.clem@gmail.com>
> > ---
> > arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 80 ++++++++++++++++++++
> > 1 file changed, 80 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > index e0dc4a05c1ba..152b2128aadf 100644
> > --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > @@ -17,6 +17,71 @@
> > #address-cells = <1>;
> > #size-cells = <1>;
> >
> > + gpu_opp_table: opp_table1 {
> > + compatible = "operating-points-v2";
> > +
> > + opp@756000000 {
> > + opp-hz = /bits/ 64 <756000000>;
> > + opp-microvolt = <1040000>;
> > + };
> > + opp@624000000 {
> > + opp-hz = /bits/ 64 <624000000>;
> > + opp-microvolt = <950000>;
> > + };
> > + opp@576000000 {
> > + opp-hz = /bits/ 64 <576000000>;
> > + opp-microvolt = <930000>;
> > + };
> > + opp@540000000 {
> > + opp-hz = /bits/ 64 <540000000>;
> > + opp-microvolt = <910000>;
> > + };
> > + opp@504000000 {
> > + opp-hz = /bits/ 64 <504000000>;
> > + opp-microvolt = <890000>;
> > + };
> > + opp@456000000 {
> > + opp-hz = /bits/ 64 <456000000>;
> > + opp-microvolt = <870000>;
> > + };
> > + opp@432000000 {
> > + opp-hz = /bits/ 64 <432000000>;
> > + opp-microvolt = <860000>;
> > + };
> > + opp@420000000 {
> > + opp-hz = /bits/ 64 <420000000>;
> > + opp-microvolt = <850000>;
> > + };
> > + opp@408000000 {
> > + opp-hz = /bits/ 64 <408000000>;
> > + opp-microvolt = <840000>;
> > + };
> > + opp@384000000 {
> > + opp-hz = /bits/ 64 <384000000>;
> > + opp-microvolt = <830000>;
> > + };
> > + opp@360000000 {
> > + opp-hz = /bits/ 64 <360000000>;
> > + opp-microvolt = <820000>;
> > + };
> > + opp@336000000 {
> > + opp-hz = /bits/ 64 <336000000>;
> > + opp-microvolt = <810000>;
> > + };
> > + opp@312000000 {
> > + opp-hz = /bits/ 64 <312000000>;
> > + opp-microvolt = <810000>;
> > + };
> > + opp@264000000 {
> > + opp-hz = /bits/ 64 <264000000>;
> > + opp-microvolt = <810000>;
> > + };
> > + opp@216000000 {
> > + opp-hz = /bits/ 64 <216000000>;
> > + opp-microvolt = <810000>;
> > + };
> > + };
> > +
>
> How were those OPPs tested?

They are taken from the vendor device tree.
https://github.com/Allwinner-Homlet/H6-BSP4.9-linux/blob/master/arch/arm64/boot/dts/sunxi/sun50iw6p1.dtsi#L2121

Clement

>
> Maxime
>
> --
> Maxime Ripard, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com