[PATCH 3/5 v2] arm64: dts: r8a7795: Add R-Car Gen3 thermal support

[PATCH 3/5 v2] arm64: dts: r8a7795: Add R-Car Gen3 thermal support

[Khiem Nguyen]

Signed-off-by: Hien Dang <hien.dang.eb@renesas.com>
Signed-off-by: Thao Nguyen <thao.nguyen.yb@rvc.renesas.com>
Signed-off-by: Khiem Nguyen <khiem.nguyen.xt@renesas.com>
---

v2:
 * Update the compatible string following new format.
 
 arch/arm64/boot/dts/renesas/r8a7795.dtsi | 83 ++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index 4718683..b9bc6a3 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -25,6 +25,9 @@
 		i2c4 = &i2c4;
 		i2c5 = &i2c5;
 		i2c6 = &i2c6;
+		tsc0 = &tsc1;
+		tsc1 = &tsc2;
+		tsc2 = &tsc3;
 	};
 
 	psci {
@@ -1692,5 +1695,85 @@
 				};
 			};
 		};
+
+		tsc1: thermal@e6198000 {
+			compatible = "renesas,r8a7795-thermal";
+			reg = <0 0xe6198000 0 0x5c>;
+			interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 522>;
+			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			#thermal-sensor-cells = <0>;
+			status = "okay";
+		};
+
+		tsc2: thermal@e61a0000 {
+			compatible = "renesas,r8a7795-thermal";
+			reg = <0 0xe61a0000 0 0x5c>;
+			interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 522>;
+			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			#thermal-sensor-cells = <0>;
+			status = "okay";
+		};
+
+		tsc3: thermal@e61a8000 {
+			compatible = "renesas,r8a7795-thermal";
+			reg = <0 0xe61a8000 0 0x5c>;
+			interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 522>;
+			power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
+			#thermal-sensor-cells = <0>;
+			status = "okay";
+		};
+
+		thermal-zones {
+			sensor_thermal1: sensor-thermal1 {
+				polling-delay-passive = <250>;
+				polling-delay = <0>;
+
+				/* sensor ID */
+				thermal-sensors = <&tsc1>;
+
+				trips {
+					sensor1_crit: sensor1-crit {
+						temperature = <90000>;
+						hysteresis = <2000>;
+						type = "critical";
+					};
+				};
+			};
+
+			sensor_thermal2: sensor-thermal2 {
+				polling-delay-passive = <250>;
+				polling-delay = <0>;
+
+				/* sensor ID */
+				thermal-sensors = <&tsc2>;
+
+				trips {
+					sensor2_crit: sensor2-crit {
+						temperature = <90000>;
+						hysteresis = <2000>;
+						type = "critical";
+					};
+				};
+			};
+
+			sensor_thermal3: sensor-thermal3 {
+				polling-delay-passive = <250>;
+				polling-delay = <0>;
+
+				/* sensor ID */
+				thermal-sensors = <&tsc3>;
+
+				trips {
+					sensor3_crit: sensor3-crit {
+						temperature = <90000>;
+						hysteresis = <2000>;
+						type = "critical";
+					};
+				};
+			};
+		};
 	};
 };
-- 
1.9.1

Re: [PATCH 3/5 v2] arm64: dts: r8a7795: Add R-Car Gen3 thermal support

[Geert Uytterhoeven]

Hi Khiem,

On Sat, Sep 3, 2016 at 7:27 AM, Khiem Nguyen
<khiem.nguyen.xt-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org> wrote:
> --- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi

> @@ -1692,5 +1695,85 @@
>                                 };
>                         };
>                 };
> +
> +               tsc1: thermal@e6198000 {
> +                       compatible = "renesas,r8a7795-thermal";
> +                       reg = <0 0xe6198000 0 0x5c>;

According to the datasheet, TSC1 has 3 more registers beyond this range.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org

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RE: [PATCH 3/5 v2] arm64: dts: r8a7795: Add R-Car Gen3 thermal support

[Khiem Nguyen]

Hi Geert,

Thanks for your comment.

> > +               tsc1: thermal@e6198000 {
> > +                       compatible = "renesas,r8a7795-thermal";
> > +                       reg = <0 0xe6198000 0 0x5c>;
> 
> According to the datasheet, TSC1 has 3 more registers beyond this range.

OK. 
Will update in v3.

Thanks.

Best regards,
KHIEM Nguyen