arm64: dts: renesas: r8a774b1: Add RZ/G2N thermal support

Add thermal support for R8A774B1 (RZ/G2N) SoC.

Based on the work done for r8a77965 SoC.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Link: https://lore.kernel.org/r/1569250648-33857-3-git-send-email-biju.das@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi
index 398bf38..2b5dfd0 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi
@@ -301,6 +301,20 @@
                        #power-domain-cells = <1>;
                };
 
+               tsc: thermal@e6198000 {
+                       compatible = "renesas,r8a774b1-thermal";
+                       reg = <0 0xe6198000 0 0x100>,
+                             <0 0xe61a0000 0 0x100>,
+                             <0 0xe61a8000 0 0x100>;
+                       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 R8A774B1_PD_ALWAYS_ON>;
+                       resets = <&cpg 522>;
+                       #thermal-sensor-cells = <1>;
+               };
+
                i2c4: i2c@e66d8000 {
                        #address-cells = <1>;
                        #size-cells = <0>;
@@ -832,6 +846,66 @@
                };
        };
 
+       thermal-zones {
+               sensor_thermal1: sensor-thermal1 {
+                       polling-delay-passive = <250>;
+                       polling-delay = <1000>;
+                       thermal-sensors = <&tsc 0>;
+                       sustainable-power = <2439>;
+
+                       trips {
+                               sensor1_crit: sensor1-crit {
+                                       temperature = <120000>;
+                                       hysteresis = <1000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+
+               sensor_thermal2: sensor-thermal2 {
+                       polling-delay-passive = <250>;
+                       polling-delay = <1000>;
+                       thermal-sensors = <&tsc 1>;
+                       sustainable-power = <2439>;
+
+                       trips {
+                               sensor2_crit: sensor2-crit {
+                                       temperature = <120000>;
+                                       hysteresis = <1000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+
+               sensor_thermal3: sensor-thermal3 {
+                       polling-delay-passive = <250>;
+                       polling-delay = <1000>;
+                       thermal-sensors = <&tsc 2>;
+                       sustainable-power = <2439>;
+
+                       cooling-maps {
+                               map0 {
+                                       trip = <&target>;
+                                       cooling-device = <&a57_0 0 2>;
+                                       contribution = <1024>;
+                               };
+                       };
+                       trips {
+                               target: trip-point1 {
+                                       temperature = <100000>;
+                                       hysteresis = <1000>;
+                                       type = "passive";
+                               };
+
+                               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(2) | IRQ_TYPE_LEVEL_LOW)>,