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SubjectRe: [PATCH v2 14/16] arm64: dts: mt7622: add thermal and related nodes
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On 02/06/2018 10:53 AM, sean.wang@mediatek.com wrote:
> From: Sean Wang <sean.wang@mediatek.com>
>
> add nodes for the thermal controller and associated thermal zone using
> CPU as the cooling device for each trip point. In addition, add a fixup
> for thermal_calibration on nvmem should be 12 bytes as the minimal
> requirement.
>
> Signed-off-by: Sean Wang <sean.wang@mediatek.com>
> ---
> arch/arm64/boot/dts/mediatek/mt7622.dtsi | 72 +++++++++++++++++++++++++++++++-
> 1 file changed, 71 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
> index e6dd4f6..6cf67dd 100644
> --- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
> @@ -12,6 +12,7 @@
> #include <dt-bindings/phy/phy.h>
> #include <dt-bindings/power/mt7622-power.h>
> #include <dt-bindings/reset/mt7622-reset.h>
> +#include <dt-bindings/thermal/thermal.h>
>
> / {
> compatible = "mediatek,mt7622";
> @@ -75,6 +76,7 @@
> <&apmixedsys CLK_APMIXED_MAIN_CORE_EN>;
> clock-names = "cpu", "intermediate";
> operating-points-v2 = <&cpu_opp_table>;
> + #cooling-cells = <2>;
> enable-method = "psci";
> clock-frequency = <1300000000>;
> };
> @@ -119,6 +121,58 @@
> };
> };
>
> + thermal-zones {
> + cpu_thermal: cpu-thermal {
> + polling-delay-passive = <1000>;
> + polling-delay = <1000>;
> +
> + thermal-sensors = <&thermal 0>;
> +
> + trips {
> + cpu_passive: cpu-passive {
> + temperature = <47000>;
> + hysteresis = <2000>;
> + type = "passive";
> + };
> +
> + cpu_active: cpu-active {
> + temperature = <67000>;
> + hysteresis = <2000>;
> + type = "active";
> + };
> +
> + cpu_hot: cpu-hot {
> + temperature = <87000>;
> + hysteresis = <2000>;
> + type = "hot";
> + };
> +
> + cpu-crit {
> + temperature = <107000>;
> + hysteresis = <2000>;
> + type = "critical";
> + };
> + };
> +
> + cooling-maps {
> + map0 {
> + trip = <&cpu_passive>;
> + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> + };
> +
> + map1 {
> + trip = <&cpu_active>;
> + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> + };
> +
> + map2 {
> + trip = <&cpu_hot>;
> + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> + };
> + };
> + };
> + };
> +
> timer {
> compatible = "arm,armv8-timer";
> interrupt-parent = <&gic>;
> @@ -201,7 +255,7 @@
> #size-cells = <1>;
>
> thermal_calibration: calib@198 {
> - reg = <0x198 0x8>;
> + reg = <0x198 0xc>;

Any reason why this is not part of patch 8/16?

Regards,
Matthias

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