[PATCH v8 3/4] arm64: dts: renesas: r9a09g047: Add TSU node
John Madieu
john.madieu.xa at bp.renesas.com
Tue Sep 9 04:38:38 PDT 2025
Add TSU node along with thermal zones and keep it enabled in the SoC DTSI.
Signed-off-by: John Madieu <john.madieu.xa at bp.renesas.com>
---
v1 -> v2: Fix IRQ names
v2 -> v3: remove useless 'renesas,tsu-operating-mode' property'
v3 -> v4: no changes
v5: no changes
v6: no changes
v7: updated both property name and specifier (<phandle offset>) for trim property.
v8: removed #address-cells property
arch/arm64/boot/dts/renesas/r9a09g047.dtsi | 48 ++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r9a09g047.dtsi b/arch/arm64/boot/dts/renesas/r9a09g047.dtsi
index e4fac7e0d764..7bf0b4a6c67a 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g047.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g047.dtsi
@@ -64,6 +64,7 @@ cpu0: cpu at 0 {
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 @@ cpu1: cpu at 100 {
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 @@ cpu2: cpu at 200 {
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 @@ cpu3: cpu at 300 {
next-level-cache = <&L3_CA55>;
enable-method = "psci";
clocks = <&cpg CPG_CORE R9A09G047_CA55_0_CORECLK3>;
+ #cooling-cells = <2>;
operating-points-v2 = <&cluster0_opp>;
};
@@ -412,6 +416,19 @@ wdt3: watchdog at 13000400 {
status = "disabled";
};
+ tsu: thermal at 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 at 14400400 {
compatible = "renesas,riic-r9a09g047", "renesas,riic-r9a09g057";
reg = <0 0x14400400 0 0x400>;
@@ -970,6 +987,37 @@ stmmac_axi_setup: stmmac-axi-config {
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>,
--
2.25.1
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