From: Biju Das <biju.das.jz@bp.renesas.com>
To: Rob Herring <robh+dt@kernel.org>
Cc: Biju Das <biju.das.jz@bp.renesas.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Amit Kucheria <amitk@kernel.org>, Zhang Rui <rui.zhang@intel.com>,
linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
Geert Uytterhoeven <geert+renesas@glider.be>,
Chris Paterson <Chris.Paterson2@renesas.com>,
Biju Das <biju.das@bp.renesas.com>,
Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@bp.renesas.com>,
linux-renesas-soc@vger.kernel.org
Subject: [PATCH v2 1/2] dt-bindings: thermal: Document Renesas RZ/G2L TSU
Date: Sat, 20 Nov 2021 19:47:10 +0000 [thread overview]
Message-ID: <20211120194711.9073-2-biju.das.jz@bp.renesas.com> (raw)
In-Reply-To: <20211120194711.9073-1-biju.das.jz@bp.renesas.com>
Document the Thermal Sensor Unit(TSU) in the RZ/G2L SoC.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
v1->v2:
* No change
---
.../bindings/thermal/rzg2l-thermal.yaml | 76 +++++++++++++++++++
1 file changed, 76 insertions(+)
create mode 100644 Documentation/devicetree/bindings/thermal/rzg2l-thermal.yaml
diff --git a/Documentation/devicetree/bindings/thermal/rzg2l-thermal.yaml b/Documentation/devicetree/bindings/thermal/rzg2l-thermal.yaml
new file mode 100644
index 000000000000..ccab9511a042
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/rzg2l-thermal.yaml
@@ -0,0 +1,76 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/rzg2l-thermal.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas RZ/G2L Thermal Sensor Unit
+
+description:
+ On RZ/G2L SoCs, the thermal sensor unit (TSU) measures the
+ temperature(Tj) inside the LSI.
+
+maintainers:
+ - Biju Das <biju.das.jz@bp.renesas.com>
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - renesas,r9a07g044-tsu # RZ/G2{L,LC}
+ - const: renesas,rzg2l-tsu
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ "#thermal-sensor-cells":
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - power-domains
+ - resets
+ - "#thermal-sensor-cells"
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/r9a07g044-cpg.h>
+
+ tsu: thermal@10059400 {
+ compatible = "renesas,r9a07g044-tsu",
+ "renesas,rzg2l-tsu";
+ reg = <0x10059400 0x400>;
+ clocks = <&cpg CPG_MOD R9A07G044_TSU_PCLK>;
+ resets = <&cpg R9A07G044_TSU_PRESETN>;
+ power-domains = <&cpg>;
+ #thermal-sensor-cells = <1>;
+ };
+
+ thermal-zones {
+ cpu-thermal {
+ polling-delay-passive = <250>;
+ polling-delay = <1000>;
+ thermal-sensors = <&tsu 0>;
+
+ trips {
+ sensor_crit: sensor-crit {
+ temperature = <125000>;
+ hysteresis = <1000>;
+ type = "critical";
+ };
+ };
+ };
+ };
--
2.17.1
next prev parent reply other threads:[~2021-11-20 19:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-20 19:47 [PATCH v2 0/2] Add Thermal support for RZ/G2L Biju Das
2021-11-20 19:47 ` Biju Das [this message]
2021-11-30 2:04 ` [PATCH v2 1/2] dt-bindings: thermal: Document Renesas RZ/G2L TSU Rob Herring
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