arm64: dts: renesas: r8a779f0: Add thermal support

Add support for 3 TSC nodes of thermal. The 4th node is for the control
domain and not for Linux.

Signed-off-by: Linh Phung <linh.phung.jy@renesas.com>
[wsa: rebased, fixed resource size, removed unused 4th node breaking probe]
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220525151355.24175-1-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/r8a779f0.dtsi b/arch/arm64/boot/dts/renesas/r8a779f0.dtsi
index df46fb87cffc5553de14f1f7efa7fe7eae688be3..a218ad28b133e6d9439f63ff2f554c9bc1ebbbad 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a779f0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779f0.dtsi
@@ -157,6 +157,18 @@
                        #power-domain-cells = <1>;
                };
 
+               tsc: thermal@e6198000 {
+                       compatible = "renesas,r8a779f0-thermal";
+                       /* The 4th sensor is in control domain and not for Linux */
+                       reg = <0 0xe6198000 0 0x200>,
+                             <0 0xe61a0000 0 0x200>,
+                             <0 0xe61a8000 0 0x200>;
+                       clocks = <&cpg CPG_MOD 919>;
+                       power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>;
+                       resets = <&cpg 919>;
+                       #thermal-sensor-cells = <1>;
+               };
+
                i2c0: i2c@e6500000 {
                        compatible = "renesas,i2c-r8a779f0",
                                     "renesas,rcar-gen4-i2c";
@@ -360,6 +372,50 @@
                };
        };
 
+       thermal-zones {
+               sensor_thermal1: 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_thermal2: sensor2-thermal {
+                       polling-delay-passive = <250>;
+                       polling-delay = <1000>;
+                       thermal-sensors = <&tsc 1>;
+
+                       trips {
+                               sensor2_crit: sensor2-crit {
+                                       temperature = <120000>;
+                                       hysteresis = <1000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+
+               sensor_thermal3: sensor3-thermal {
+                       polling-delay-passive = <250>;
+                       polling-delay = <1000>;
+                       thermal-sensors = <&tsc 2>;
+
+                       trips {
+                               sensor3_crit: sensor3-crit {
+                                       temperature = <120000>;
+                                       hysteresis = <1000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+       };
+
        timer {
                compatible = "arm,armv8-timer";
                interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>,