arm64: dts: renesas: r8a77990: add thermal device support

This patch adds the thermal device node and the thermal-zone for
the R8A77990 SoC.

Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Tested-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
index de25eda4f2f454453af77adacae23ae8ab5fa0d5..b2f606e286ce6729ecb17feb5885023c8d696c86 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
@@ -409,6 +409,18 @@
                        #power-domain-cells = <1>;
                };
 
+               thermal: thermal@e6190000 {
+                       compatible = "renesas,thermal-r8a77990";
+                       reg = <0 0xe6190000 0 0x10>, <0 0xe6190100 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 R8A77990_PD_ALWAYS_ON>;
+                       resets = <&cpg 522>;
+                       #thermal-sensor-cells = <0>;
+               };
+
                intc_ex: interrupt-controller@e61c0000 {
                        compatible = "renesas,intc-ex-r8a77990", "renesas,irqc";
                        #interrupt-cells = <2>;
@@ -1745,6 +1757,25 @@
                };
        };
 
+       thermal-zones {
+               cpu-thermal {
+                       polling-delay-passive = <250>;
+                       polling-delay = <1000>;
+                       thermal-sensors = <&thermal>;
+
+                       trips {
+                               cpu-crit {
+                                       temperature = <120000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+
+                       cooling-maps {
+                       };
+               };
+       };
+
        timer {
                compatible = "arm,armv8-timer";
                interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,