arm64: dts: renesas: r8a779h0: Add thermal nodes

Add device nodes for the Thermal Sensor/Chip Internal Voltage
Monitor/Core Voltage Monitor (THS/CIVM/CVM) and the various thermal
zones on the Renesas R-Car V4M (R8A779H0) SoC.

Add support for 2 TSC nodes of thermal.

Signed-off-by: Duy Nguyen <duy.nguyen.rh@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/d1f07c77943912145583d8916ba3ca65d143b1b1.1709722573.git.geert+renesas@glider.be

diff --git a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
index 11885729181bc9030484ad354ccf5f90302075ae..a01929231e08fa30bcadd9619d7b1966b85c988c 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
@@ -318,6 +318,16 @@
                        #power-domain-cells = <1>;
                };
 
+               tsc: thermal@e6198000 {
+                       compatible = "renesas,r8a779h0-thermal";
+                       reg = <0 0xe6198000 0 0x200>,
+                             <0 0xe61a0000 0 0x200>;
+                       clocks = <&cpg CPG_MOD 919>;
+                       power-domains = <&sysc R8A779H0_PD_ALWAYS_ON>;
+                       resets = <&cpg 919>;
+                       #thermal-sensor-cells = <1>;
+               };
+
                i2c0: i2c@e6500000 {
                        compatible = "renesas,i2c-r8a779h0",
                                     "renesas,rcar-gen4-i2c";
@@ -653,6 +663,36 @@
                };
        };
 
+       thermal-zones {
+               sensor_thermal_cr52: sensor1-thermal {
+                       polling-delay-passive = <250>;
+                       polling-delay = <1000>;
+                       thermal-sensors = <&tsc 0>;
+
+                       trips {
+                               sensor1_crit: sensor1-crit {
+                                       temperature = <120000>;
+                                       hysteresis = <1000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+
+               sensor_thermal_ca76: sensor2-thermal {
+                       polling-delay-passive = <250>;
+                       polling-delay = <1000>;
+                       thermal-sensors = <&tsc 1>;
+
+                       trips {
+                               sensor2_crit: sensor2-crit {
+                                       temperature = <120000>;
+                                       hysteresis = <1000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+       };
+
        timer {
                compatible = "arm,armv8-timer";
                interrupts-extended = <&gic GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,