On 09/06/2023 14:17, Thierry Reding wrote:
From: Thierry Reding <treding@xxxxxxxxxx>
Add device tree node for the BPMP thermal node on Tegra234 and add
thermal zone definitions.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra234.dtsi | 53 +++++++++++++++++++
.../thermal/tegra234-bpmp-thermal.h | 19 +++++++
2 files changed, 72 insertions(+)
create mode 100644 include/dt-bindings/thermal/tegra234-bpmp-thermal.h
diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
index 6e66f41695c0..c17abe054dab 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
@@ -8,6 +8,7 @@
#include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
#include <dt-bindings/power/tegra234-powergate.h>
#include <dt-bindings/reset/tegra234-reset.h>
+#include <dt-bindings/thermal/tegra234-bpmp-thermal.h>
/ {
compatible = "nvidia,tegra234";
@@ -3163,6 +3164,11 @@ bpmp_i2c: i2c {
#address-cells = <1>;
#size-cells = <0>;
};
+
+ bpmp_thermal: thermal {
+ compatible = "nvidia,tegra186-bpmp-thermal";
+ #thermal-sensor-cells = <1>;
+ };
};
cpus {
@@ -3653,6 +3659,53 @@ sound {
<&bpmp TEGRA234_CLK_PLLA_OUT0>;
};
+ thermal-zones {
+ cpu-thermal {
+ thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_CPU>;
+ status = "disabled";
+ };
+
+ gpu-thermal {
+ thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_GPU>;
+ status = "disabled";
+ };
+
+ cv0-thermal {
+ thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_CV0>;
+ status = "disabled";
+ };
+
+ cv1-thermal {
+ thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_CV1>;
+ status = "disabled";
+ };
+
+ cv2-thermal {
+ thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_CV2>;
+ status = "disabled";
+ };
+
+ soc0-thermal {
+ thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_SOC0>;
+ status = "disabled";
+ };
+
+ soc1-thermal {
+ thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_SOC1>;
+ status = "disabled";
+ };
+
+ soc2-thermal {
+ thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_SOC2>;
+ status = "disabled";
+ };
+
+ tj-thermal {
+ thermal-sensors = <&{/bpmp/thermal} TEGRA234_BPMP_THERMAL_ZONE_TJ_MAX>;
+ status = "disabled";
+ };
+ };
+
timer {
compatible = "arm,armv8-timer";
interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
diff --git a/include/dt-bindings/thermal/tegra234-bpmp-thermal.h b/include/dt-bindings/thermal/tegra234-bpmp-thermal.h
new file mode 100644
index 000000000000..934787950932
--- /dev/null
+++ b/include/dt-bindings/thermal/tegra234-bpmp-thermal.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * This header provides constants for binding nvidia,tegra234-bpmp-thermal.
+ */
+
+#ifndef _DT_BINDINGS_THERMAL_TEGRA234_BPMP_THERMAL_H
+#define _DT_BINDINGS_THERMAL_TEGRA234_BPMP_THERMAL_H
+
+#define TEGRA234_BPMP_THERMAL_ZONE_CPU 0
+#define TEGRA234_BPMP_THERMAL_ZONE_GPU 1
+#define TEGRA234_BPMP_THERMAL_ZONE_CV0 2
+#define TEGRA234_BPMP_THERMAL_ZONE_CV1 3
+#define TEGRA234_BPMP_THERMAL_ZONE_CV2 4
+#define TEGRA234_BPMP_THERMAL_ZONE_SOC0 5
+#define TEGRA234_BPMP_THERMAL_ZONE_SOC1 6
+#define TEGRA234_BPMP_THERMAL_ZONE_SOC2 7
+#define TEGRA234_BPMP_THERMAL_ZONE_TJ_MAX 8
+
+#endif
Looks good to me. For this series ...
Acked-by: Jon Hunter <jonathanh@xxxxxxxxxx>
Jon
--
nvpublic
