ARM: dts: r8a7742: Add thermal device to DT

This patch instantiates the thermal sensor module with thermal-zone
support.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Link: https://lore.kernel.org/r/1590614320-30160-3-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm/boot/dts/r8a7742.dtsi b/arch/arm/boot/dts/r8a7742.dtsi
index 3ed05c6..f57db05 100644 (file)
--- a/arch/arm/boot/dts/r8a7742.dtsi
+++ b/arch/arm/boot/dts/r8a7742.dtsi
@@ -375,6 +375,17 @@
                        resets = <&cpg 407>;
                };
 
+               thermal: thermal@e61f0000 {
+                       compatible = "renesas,thermal-r8a7742",
+                                    "renesas,rcar-gen2-thermal";
+                       reg = <0 0xe61f0000 0 0x10>, <0 0xe61f0100 0 0x38>;
+                       interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&cpg CPG_MOD 522>;
+                       power-domains = <&sysc R8A7742_PD_ALWAYS_ON>;
+                       resets = <&cpg 522>;
+                       #thermal-sensor-cells = <0>;
+               };
+
                icram0: sram@e63a0000 {
                        compatible = "mmio-sram";
                        reg = <0 0xe63a0000 0 0x12000>;
@@ -1359,6 +1370,25 @@
                };
        };
 
+       thermal-zones {
+               cpu_thermal: cpu-thermal {
+                       polling-delay-passive = <0>;
+                       polling-delay = <0>;
+
+                       thermal-sensors = <&thermal>;
+
+                       trips {
+                               cpu-crit {
+                                       temperature = <95000>;
+                                       hysteresis = <0>;
+                                       type = "critical";
+                               };
+                       };
+                       cooling-maps {
+                       };
+               };
+       };
+
        timer {
                compatible = "arm,armv7-timer";
                interrupts-extended = <&gic GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,