| Message ID | 20211208142729.2456-3-biju.das.jz@bp.renesas.com (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | 88404c56fde05eb741552a33fdfe6d7d20c1c986 |
| Delegated to: | Geert Uytterhoeven |
| Headers | show |
| Series | Enable Thermal support for RZ/G2L | expand |
On Wed, Dec 8, 2021 at 3:27 PM Biju Das <biju.das.jz@bp.renesas.com> wrote: > Setup a thermal zone driven by SoC temperature sensor. > Create passive trip points and bind them to CPUFreq cooling > device that supports power extension. > > Based on the work done by Dien Pham <dien.pham.ry@renesas.com> > and others for r8a77990 SoC. > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> LGTM (I'm no thermal expert, so an additional pair of eyes wouldn't hurt), so Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> i.e. will queue in renesas-devel for v5.17. > --- a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi > +++ b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi > @@ -88,6 +88,7 @@ > compatible = "arm,cortex-a55"; > reg = <0>; > device_type = "cpu"; > + #cooling-cells = <2>; > next-level-cache = <&L3_CA55>; > enable-method = "psci"; > clocks = <&cpg CPG_CORE R9A07G044_CLK_I>; > @@ -917,6 +918,15 @@ > polling-delay-passive = <250>; > polling-delay = <1000>; > thermal-sensors = <&tsu 0>; > + sustainable-power = <717>; > + > + cooling-maps { > + map0 { > + trip = <&target>; > + cooling-device = <&cpu0 0 2>; > + contribution = <1024>; > + }; > + }; > > trips { > sensor_crit: sensor-crit { > @@ -924,6 +934,12 @@ > hysteresis = <1000>; > type = "critical"; > }; > + > + target: trip-point { > + temperature = <100000>; > + hysteresis = <1000>; > + type = "passive"; > + }; > }; > }; > }; Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
diff --git a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi index ea528580f306..2639fd383010 100644 --- a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi @@ -88,6 +88,7 @@ compatible = "arm,cortex-a55"; reg = <0>; device_type = "cpu"; + #cooling-cells = <2>; next-level-cache = <&L3_CA55>; enable-method = "psci"; clocks = <&cpg CPG_CORE R9A07G044_CLK_I>; @@ -917,6 +918,15 @@ polling-delay-passive = <250>; polling-delay = <1000>; thermal-sensors = <&tsu 0>; + sustainable-power = <717>; + + cooling-maps { + map0 { + trip = <&target>; + cooling-device = <&cpu0 0 2>; + contribution = <1024>; + }; + }; trips { sensor_crit: sensor-crit { @@ -924,6 +934,12 @@ hysteresis = <1000>; type = "critical"; }; + + target: trip-point { + temperature = <100000>; + hysteresis = <1000>; + type = "passive"; + }; }; }; };