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| author | Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> | 2025-08-10 15:21:24 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2025-10-13 12:15:42 +0300 |
| commit | ee9bfab464247edd9a3f0f65e7ed96053e4b1095 (patch) | |
| tree | 193ce0e50af95afeed95ab8762d80bba8bb24224 | |
| parent | 3a8660878839faadb4f1a6dd72c3179c1df56787 (diff) | |
| download | linux-ee9bfab464247edd9a3f0f65e7ed96053e4b1095.tar.xz | |
arm64: dts: renesas: r9a08g045: Add TSU node
Add TSU node along with thermal zones and keep it enabled in the SoC DTSI.
The temperature reported by the TSU can only be read through channel 8 of
the ADC. Therefore, enable the ADC by default.
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Link: https://patch.msgid.link/20250810122125.792966-4-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r9a08g045.dtsi | 49 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi | 4 |
2 files changed, 48 insertions, 5 deletions
diff --git a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi index 16e6ac614417..11b7480b1a68 100644 --- a/arch/arm64/boot/dts/renesas/r9a08g045.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a08g045.dtsi @@ -233,7 +233,6 @@ #address-cells = <1>; #size-cells = <0>; #io-channel-cells = <1>; - status = "disabled"; channel@0 { reg = <0>; @@ -272,6 +271,17 @@ }; }; + tsu: thermal@10059000 { + compatible = "renesas,r9a08g045-tsu"; + reg = <0 0x10059000 0 0x1000>; + clocks = <&cpg CPG_MOD R9A08G045_TSU_PCLK>; + resets = <&cpg R9A08G045_TSU_PRESETN>; + power-domains = <&cpg>; + #thermal-sensor-cells = <0>; + io-channels = <&adc 8>; + io-channel-names = "tsu"; + }; + i3c: i3c@1005b000 { compatible = "renesas,r9a08g045-i3c"; reg = <0 0x1005b000 0 0x1000>; @@ -753,6 +763,43 @@ "hyp-virt"; }; + thermal-zones { + cpu_thermal: cpu-thermal { + polling-delay-passive = <250>; + polling-delay = <1000>; + thermal-sensors = <&tsu>; + sustainable-power = <423>; + + cooling-maps { + map0 { + trip = <&cpu_alert0>; + cooling-device = <&cpu0 0 2>; + contribution = <1024>; + }; + }; + + trips { + cpu_crit: cpu-critical { + temperature = <110000>; + hysteresis = <1000>; + type = "critical"; + }; + + cpu_alert1: trip-point1 { + temperature = <90000>; + hysteresis = <1000>; + type = "passive"; + }; + + cpu_alert0: trip-point0 { + temperature = <85000>; + hysteresis = <1000>; + type = "passive"; + }; + }; + }; + }; + vbattb_xtal: vbattb-xtal { compatible = "fixed-clock"; #clock-cells = <0>; diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi index 39845faec894..6f25ab617982 100644 --- a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi @@ -84,10 +84,6 @@ }; }; -&adc { - status = "okay"; -}; - #if SW_CONFIG3 == SW_ON ð0 { pinctrl-0 = <ð0_pins>; |