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SubjectRe: [PATCH v3 2/5] ARM: dts: rockchip: add ARM Mali GPU node for rk3288
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Hi Guillaume,

Am Donnerstag, 20. April 2017, 06:44:56 CEST schrieb Guillaume Tucker:
> On 19/04/17 09:59, Heiko Stuebner wrote:
> > Am Mittwoch, 19. April 2017, 09:06:18 CEST schrieb Guillaume Tucker:
> >> Add Mali GPU device tree node for the rk3288 SoC, with devfreq
> >> opp table.
> >>
> >> Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
> >> Signed-off-by: Guillaume Tucker <guillaume.tucker@collabora.com>
> >> ---
> >> arch/arm/boot/dts/rk3288.dtsi | 22 ++++++++++++++++++++++
> >> 1 file changed, 22 insertions(+)
> >>
> >> diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
> >> index df8a0dbe9d91..187eed528f83 100644
> >> --- a/arch/arm/boot/dts/rk3288.dtsi
> >> +++ b/arch/arm/boot/dts/rk3288.dtsi
> >> @@ -43,6 +43,7 @@
> >> #include <dt-bindings/interrupt-controller/arm-gic.h>
> >> #include <dt-bindings/pinctrl/rockchip.h>
> >> #include <dt-bindings/clock/rk3288-cru.h>
> >> +#include <dt-bindings/power/rk3288-power.h>
> >> #include <dt-bindings/thermal/thermal.h>
> >> #include <dt-bindings/power/rk3288-power.h>
> >> #include <dt-bindings/soc/rockchip,boot-mode.h>
> >> @@ -227,6 +228,27 @@
> >> ports = <&vopl_out>, <&vopb_out>;
> >> };
> >>
> >> + gpu: mali@ffa30000 {
> >
> > please sort nodes by address. ffa30000 should be placed below hdmi@ff980000
> > and above qos@ffaa0000 .
>
> Sure, will fix that in v4.
>
> >> + compatible = "arm,mali-t760", "arm,mali-midgard";
> >
> > As indicated before I don't trust that a generic binding will work for
> > everything, so I would feel safer if we had a "rockchip,rk3288-mali" in
> > front for future purposes, making it a
> >
> > compatible = "rockchip,rk3288-mali", "arm,mali-t760", "arm,mali-midgard";
>
> OK, sorry I overlooked this part. I'll add it in v4 with a
> vendor compatible string in the binding documentation.

great, thanks :-)

>
> >> + reg = <0xffa30000 0x10000>;
> >> + interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
> >> + <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
> >> + <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
> >> + interrupt-names = "job", "mmu", "gpu";
> >> + clocks = <&cru ACLK_GPU>;
> >> + operating-points = <
> >> + /* KHz uV */
> >> + 100000 950000
> >> + 200000 950000
> >> + 300000 1000000
> >> + 400000 1100000
> >> + 500000 1200000
> >> + 600000 1250000
> >> + >;
> >
> > Wasn't there a wish for opp-v2 in a previous version?
>
> Well it wasn't entirely clear to me in Rob's email whether it was
> necessary to use opp-v2 now or rather if it would be a potential
> option whenever opp-v2 was needed. If operating-points (v1) are
> being deprecated then I can change that in my next patch v4.
> Using operating-points-v2 with the Mali driver works as far as I
> can tell on rk3288 so that's not an issue.

I don't care to much either way, just remembered it being mentioned
in the previous version. So lets see what Rob says.


Heiko

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