]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
arm64: dts: renesas: r9a09g047: Add TSU node
authorJohn Madieu <john.madieu.xa@bp.renesas.com>
Wed, 17 Sep 2025 17:01:57 +0000 (19:01 +0200)
committerGeert Uytterhoeven <geert+renesas@glider.be>
Mon, 13 Oct 2025 09:32:25 +0000 (11:32 +0200)
Add TSU node along with thermal zones and keep it enabled in the SoC DTSI.

Signed-off-by: John Madieu <john.madieu.xa@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20250917170202.197929-4-john.madieu.xa@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
arch/arm64/boot/dts/renesas/r9a09g047.dtsi

index 47d843c79021215cde564990d1421677af2ec50a..009cbe990eca000e4fa3ef8c67dc96a761c5d377 100644 (file)
@@ -64,6 +64,7 @@
                        next-level-cache = <&L3_CA55>;
                        enable-method = "psci";
                        clocks = <&cpg CPG_CORE R9A09G047_CA55_0_CORECLK0>;
+                       #cooling-cells = <2>;
                        operating-points-v2 = <&cluster0_opp>;
                };
 
@@ -74,6 +75,7 @@
                        next-level-cache = <&L3_CA55>;
                        enable-method = "psci";
                        clocks = <&cpg CPG_CORE R9A09G047_CA55_0_CORECLK1>;
+                       #cooling-cells = <2>;
                        operating-points-v2 = <&cluster0_opp>;
                };
 
@@ -84,6 +86,7 @@
                        next-level-cache = <&L3_CA55>;
                        enable-method = "psci";
                        clocks = <&cpg CPG_CORE R9A09G047_CA55_0_CORECLK2>;
+                       #cooling-cells = <2>;
                        operating-points-v2 = <&cluster0_opp>;
                };
 
@@ -94,6 +97,7 @@
                        next-level-cache = <&L3_CA55>;
                        enable-method = "psci";
                        clocks = <&cpg CPG_CORE R9A09G047_CA55_0_CORECLK3>;
+                       #cooling-cells = <2>;
                        operating-points-v2 = <&cluster0_opp>;
                };
 
                        status = "disabled";
                };
 
+               tsu: thermal@14002000 {
+                       compatible = "renesas,r9a09g047-tsu";
+                       reg = <0 0x14002000 0 0x1000>;
+                       interrupts = <GIC_SPI 250 IRQ_TYPE_EDGE_RISING>,
+                                    <GIC_SPI 251 IRQ_TYPE_LEVEL_HIGH>;
+                       interrupt-names = "adi", "adcmpi";
+                       clocks = <&cpg CPG_MOD 0x10a>;
+                       resets = <&cpg 0xf8>;
+                       power-domains = <&cpg>;
+                       #thermal-sensor-cells = <0>;
+                       renesas,tsu-trim = <&sys 0x330>;
+               };
+
                i2c0: i2c@14400400 {
                        compatible = "renesas,riic-r9a09g047", "renesas,riic-r9a09g057";
                        reg = <0 0x14400400 0 0x400>;
                snps,blen = <16 8 4 0 0 0 0>;
        };
 
+       thermal-zones {
+               cpu-thermal {
+                       polling-delay = <1000>;
+                       polling-delay-passive = <250>;
+                       thermal-sensors = <&tsu>;
+
+                       cooling-maps {
+                               map0 {
+                                       trip = <&target>;
+                                       cooling-device = <&cpu0 0 3>, <&cpu1 0 3>,
+                                                        <&cpu2 0 3>, <&cpu3 0 3>;
+                                       contribution = <1024>;
+                               };
+                       };
+
+                       trips {
+                               target: trip-point {
+                                       temperature = <95000>;
+                                       hysteresis = <1000>;
+                                       type = "passive";
+                               };
+
+                               sensor_crit: sensor-crit {
+                                       temperature = <120000>;
+                                       hysteresis = <1000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+       };
+
        timer {
                compatible = "arm,armv8-timer";
                interrupts-extended = <&gic GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,