Re: [PATCH 1/4] arm64: tegra: Add BPMP thermal sensor to Tegra186

From: Mikko Perttunen
Date: Mon Jul 10 2017 - 05:14:31 EST


On 01.07.2017 02:56, Eduardo Valentin wrote:
On Fri, Jun 16, 2017 at 02:28:22PM +0300, Mikko Perttunen wrote:
This adds the thermal sensor device provided by the BPMP, and the
relevant thermal sensors to the Tegra186 device tree.

Signed-off-by: Mikko Perttunen <mperttunen@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra186.dtsi | 48 ++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 5e62e68ac053..5c19ea74da24 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -4,6 +4,7 @@
#include <dt-bindings/mailbox/tegra186-hsp.h>
#include <dt-bindings/power/tegra186-powergate.h>
#include <dt-bindings/reset/tegra186-reset.h>
+#include <dt-bindings/thermal/tegra186-bpmp-thermal.h>

/ {
compatible = "nvidia,tegra186";
@@ -444,6 +445,53 @@
#size-cells = <0>;
status = "disabled";
};
+
+ bpmp_thermal: thermal {
+ compatible = "nvidia,tegra186-bpmp-thermal";
+ #thermal-sensor-cells = <1>;
+ };
+ };
+
+ thermal-zones {
+ a57 {
+ polling-delay = <0>;
+ polling-delay-passive = <1000>;
+
+ thermal-sensors =
+ <&bpmp_thermal TEGRA186_BPMP_THERMAL_ZONE_CPU>;
+ };
+
+ denver {
+ polling-delay = <0>;
+ polling-delay-passive = <1000>;
+
+ thermal-sensors =
+ <&bpmp_thermal TEGRA186_BPMP_THERMAL_ZONE_AUX>;
+ };
+
+ gpu {
+ polling-delay = <0>;
+ polling-delay-passive = <1000>;
+
+ thermal-sensors =
+ <&bpmp_thermal TEGRA186_BPMP_THERMAL_ZONE_GPU>;
+ };
+
+ pll {
+ polling-delay = <0>;
+ polling-delay-passive = <1000>;
+
+ thermal-sensors =
+ <&bpmp_thermal TEGRA186_BPMP_THERMAL_ZONE_PLLX>;
+ };
+
+ always_on {
+ polling-delay = <0>;
+ polling-delay-passive = <1000>;
+
+ thermal-sensors =
+ <&bpmp_thermal TEGRA186_BPMP_THERMAL_ZONE_AO>;
+ };

All the above zones are lacking mandatory fields. Please refer to the
thermal binding documentation.

Will fix.


};

timer {
--
2.13.1

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