linux-kernel - [PATCH 2/5] dt-bindings: thermal: qcom: Add MBG thermal monitor bindings

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Message-ID: <20240712-mbg-tm-support-v1-2-7d78bec920ca@quicinc.com>
Date: Fri, 12 Jul 2024 18:13:29 +0530
From: Satya Priya Kakitapalli <quic_skakitap@...cinc.com>
To: Jonathan Cameron <jic23@...nel.org>, Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Zhang Rui <rui.zhang@...el.com>, Lukasz Luba <lukasz.luba@....com>,
        Amit Kucheria <amitk@...nel.org>,
        "Thara
 Gopinath" <thara.gopinath@...il.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>
CC: Kamal Wadhwa <quic_kamalw@...cinc.com>,
        Taniya Das
	<quic_tdas@...cinc.com>,
        Jishnu Prakash <quic_jprakash@...cinc.com>,
        <linux-kernel@...r.kernel.org>, <linux-iio@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-pm@...r.kernel.org>,
        Satya Priya Kakitapalli
	<quic_skakitap@...cinc.com>,
        Ajit Pandey <quic_ajipan@...cinc.com>,
        "Imran
 Shaik" <quic_imrashai@...cinc.com>,
        Jagadeesh Kona <quic_jkona@...cinc.com>
Subject: [PATCH 2/5] dt-bindings: thermal: qcom: Add MBG thermal monitor
 bindings

Add bindings support for the MBG Temp alarm peripheral found on
pm8775 pmics.

Signed-off-by: Satya Priya Kakitapalli <quic_skakitap@...cinc.com>
---
 .../bindings/thermal/qcom-spmi-mbg-tm.yaml         | 63 ++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/Documentation/devicetree/bindings/thermal/qcom-spmi-mbg-tm.yaml b/Documentation/devicetree/bindings/thermal/qcom-spmi-mbg-tm.yaml
new file mode 100644
index 000000000000..9b6d1bc34a11
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/qcom-spmi-mbg-tm.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/qcom-spmi-mbg-tm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. SPMI PMIC MBG Thermal Monitoring
+
+maintainers:
+  - Satya Priya Kakitapalli <quic_skakitap@...cinc.com>
+
+description: |
+  Qualcomm's thermal driver for the MBG thermal monitoring device.
+
+properties:
+  compatible:
+    const: qcom,spmi-mbg-tm
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  io-channels:
+    description:
+      IIO channel specifier for the ADC channel, which reports
+      chip die temperature.
+
+  io-channel-names:
+    const: thermal
+
+  "#thermal-sensor-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - io-channels
+  - io-channel-names
+  - "#thermal-sensor-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/iio/adc/qcom,spmi-adc5-gen3-pm8775.h>
+    spmi_bus {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      pm8775_sail_1_tz: qcom,mbg-tm@...0 {
+        compatible = "qcom,spmi-mbg-tm";
+        reg = <0xd700>;
+        interrupts = <0x1 0xd7 0x0 IRQ_TYPE_EDGE_RISING>;
+        io-channels = <&pm8775_1_adc PM8775_ADC5_GEN3_DIE_TEMP(1)>;
+        io-channel-names = "thermal";
+        #thermal-sensor-cells = <0>;
+      };
+    };
+...

-- 
2.25.1