linux-kernel - [PATCH v2 03/15] dt-bindings: clock: Document qcom,gcc-ipq8064 binding

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Message-Id: <20220120232028.6738-4-ansuelsmth@gmail.com>
Date:   Fri, 21 Jan 2022 00:20:16 +0100
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Taniya Das <tdas@...eaurora.org>,
        Ansuel Smith <ansuelsmth@...il.com>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 03/15] dt-bindings: clock: Document qcom,gcc-ipq8064 binding

Document qcom,gcc-ipq8064 binding needed to declare pxo and cxo source
clocks. The gcc node is also used by the tsens driver, already documented,
to get the calib nvmem cells and the base reg from gcc.

Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
---
 .../bindings/clock/qcom,gcc-ipq8064.yaml      | 70 +++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,gcc-ipq8064.yaml

diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-ipq8064.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-ipq8064.yaml
new file mode 100644
index 000000000000..abc76a46b2ca
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,gcc-ipq8064.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,gcc-ipq8064.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Global Clock & Reset Controller Binding for IPQ8064
+
+allOf:
+  - $ref: qcom,gcc.yaml#
+
+maintainers:
+  - Ansuel Smith <ansuelsmth@...il.com>
+
+description: |
+  Qualcomm global clock control module which supports the clocks, resets and
+  power domains on IPQ8064.
+
+  See also:
+  - dt-bindings/clock/qcom,gcc-ipq806x.h
+  - dt-bindings/reset/qcom,gcc-ipq806x.h
+
+properties:
+  clocks:
+    items:
+      - description: PXO source
+      - description: CXO source
+
+  clock-names:
+    items:
+      - const: pxo
+      - const: cxo
+
+  thermal-sensor:
+    type: object
+
+    allOf:
+      - $ref: /schemas/thermal/qcom-tsens.yaml#
+
+required:
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    gcc: clock-controller@...000 {
+      compatible = "qcom,gcc-ipq8064", "syscon";
+      reg = <0x00900000 0x4000>;
+      clocks = <&pxo_board>, <&cxo_board>;
+      clock-names = "pxo", "cxo";
+      #clock-cells = <1>;
+      #reset-cells = <1>;
+      #power-domain-cells = <1>;
+
+      tsens: thermal-sensor {
+        compatible = "qcom,ipq8064-tsens";
+
+        nvmem-cells = <&tsens_calib>, <&tsens_calib_backup>;
+        nvmem-cell-names = "calib", "calib_backup";
+        interrupts = <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-names = "uplow";
+
+        #qcom,sensors = <11>;
+        #thermal-sensor-cells = <1>;
+      };
+    };
-- 
2.33.1