On Mon, Mar 04, 2019 at 03:50:50PM +0800, Yuantian Tang wrote:
> Ls1088a has 2 thermal sensors, core cluster and SoC platform. Core cluster
> sensor is used to monitor the temperature of core and SoC platform is for
> platform. The current dts only support the first sensor.
> This patch adds the second sensor node to dts to enable it.
>
> Signed-off-by: Yuantian Tang <andy.tang@xxxxxxx>
> ---
> v3:
> - use more descriptive name for each zone
> v2:
> - Add more information about sensors to description
> PS: In order to keep consistency to the first thermal-zone node, there will
> be "WARNING: line over 80 characters" warnings.
>
> arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 43 +++++++++++++++++++++--
> 1 files changed, 39 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> index 661137f..54f973b 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
> @@ -129,19 +129,19 @@
> };
>
> thermal-zones {
> - cpu_thermal: cpu-thermal {
> + core_cluster_thermal {
We prefer to use hyphen instead of underscore in node name.
Shawn
> polling-delay-passive = <1000>;
> polling-delay = <5000>;
> thermal-sensors = <&tmu 0>;
>
> trips {
> - cpu_alert: cpu-alert {
> + core_cluster_alert: core_cluster-alert {
> temperature = <85000>;
> hysteresis = <2000>;
> type = "passive";
> };
>
> - cpu_crit: cpu-crit {
> + core_cluster_crit: core_cluster-crit {
> temperature = <95000>;
> hysteresis = <2000>;
> type = "critical";
> @@ -150,7 +150,42 @@
>
> cooling-maps {
> map0 {
> - trip = <&cpu_alert>;
> + trip = <&core_cluster_alert>;
> + cooling-device =
> + <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu4 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu5 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu6 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> + <&cpu7 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
> + };
> + };
> + };
> +
> + platform-thermal {
> + polling-delay-passive = <1000>;
> + polling-delay = <5000>;
> + thermal-sensors = <&tmu 1>;
> +
> + trips {
> + platform_alert: platform-alert {
> + temperature = <85000>;
> + hysteresis = <2000>;
> + type = "passive";
> + };
> +
> + platform_crit: platform-crit {
> + temperature = <95000>;
> + hysteresis = <2000>;
> + type = "critical";
> + };
> + };
> +
> + cooling-maps {
> + map0 {
> + trip = <&platform_alert>;
> cooling-device =
> <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
> --
> 1.7.1
>
