diff mbox

[3/3] arm64: dts: renesas: r8a77995: add thermal device support

Message ID 1520799995-26347-4-git-send-email-ykaneko0929@gmail.com (mailing list archive)
State Changes Requested
Delegated to: Eduardo Valentin
Headers show

Commit Message

Yoshihiro Kaneko March 11, 2018, 8:26 p.m. UTC
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
---
 arch/arm64/boot/dts/renesas/r8a77995.dtsi | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

Comments

Geert Uytterhoeven March 12, 2018, 10:56 a.m. UTC | #1
Hi Kaneko-san,

On Sun, Mar 11, 2018 at 9:26 PM, Yoshihiro Kaneko <ykaneko0929@gmail.com> wrote:
> Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>

Thanks for your patch!

> --- a/arch/arm64/boot/dts/renesas/r8a77995.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a77995.dtsi
> @@ -402,5 +402,36 @@
>                         #phy-cells = <0>;
>                         status = "disabled";
>                 };
> +
> +               thermal: thermal@e61f0000 {

According to the Hard User Manual rev. 0.80, the base address is e6190000?

> +                       compatible = "renesas,thermal-r8a77995",
> +                                    "renesas,rcar-thermal";

I would drop the fallback property, cfr. my comments on the DT binding
patch.

> +                       reg = <0 0xe61f0000 0 0x10>, <0 0xe61f0100 0 0x38>;

0xe619... (twice)

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
Yoshihiro Kaneko March 13, 2018, 4:41 p.m. UTC | #2
Hi Geert-san,

Thanks for your review.

2018-03-12 19:56 GMT+09:00 Geert Uytterhoeven <geert@linux-m68k.org>:
> Hi Kaneko-san,
>
> On Sun, Mar 11, 2018 at 9:26 PM, Yoshihiro Kaneko <ykaneko0929@gmail.com> wrote:
>> Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
>
> Thanks for your patch!
>
>> --- a/arch/arm64/boot/dts/renesas/r8a77995.dtsi
>> +++ b/arch/arm64/boot/dts/renesas/r8a77995.dtsi
>> @@ -402,5 +402,36 @@
>>                         #phy-cells = <0>;
>>                         status = "disabled";
>>                 };
>> +
>> +               thermal: thermal@e61f0000 {
>
> According to the Hard User Manual rev. 0.80, the base address is e6190000?

You are correct.
I will update this patch to fix it.

>
>> +                       compatible = "renesas,thermal-r8a77995",
>> +                                    "renesas,rcar-thermal";
>
> I would drop the fallback property, cfr. my comments on the DT binding
> patch.

Yes. I will do it.

>
>> +                       reg = <0 0xe61f0000 0 0x10>, <0 0xe61f0100 0 0x38>;
>
> 0xe619... (twice)

I will fix it.


Thanks,
Kaneko

>
> 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 mbox

Patch

diff --git a/arch/arm64/boot/dts/renesas/r8a77995.dtsi b/arch/arm64/boot/dts/renesas/r8a77995.dtsi
index 788e3af..d1a5197 100644
--- a/arch/arm64/boot/dts/renesas/r8a77995.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77995.dtsi
@@ -402,5 +402,36 @@ 
 			#phy-cells = <0>;
 			status = "disabled";
 		};
+
+		thermal: thermal@e61f0000 {
+			compatible = "renesas,thermal-r8a77995",
+				     "renesas,rcar-thermal";
+			reg = <0 0xe61f0000 0 0x10>, <0 0xe61f0100 0 0x38>;
+			interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 522>;
+			power-domains = <&sysc R8A77995_PD_ALWAYS_ON>;
+			resets = <&cpg 522>;
+			#thermal-sensor-cells = <0>;
+		};
+	};
+
+	thermal-zones {
+		cpu_thermal: cpu-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+			thermal-sensors = <&thermal>;
+
+			trips {
+				cpu-crit {
+					temperature = <120000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+			cooling-maps {
+			};
+		};
 	};
 };