linux-kernel - [PATCH 1/2] dt-bindings: clk: qcom: Add QCM2290 Global Clock Controller bindings

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Message-Id: <20210914032041.6547-2-shawn.guo@linaro.org>
Date:   Tue, 14 Sep 2021 11:20:40 +0800
From:   Shawn Guo <shawn.guo@...aro.org>
To:     Stephen Boyd <sboyd@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Loic Poulain <loic.poulain@...aro.org>,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        Shawn Guo <shawn.guo@...aro.org>
Subject: [PATCH 1/2] dt-bindings: clk: qcom: Add QCM2290 Global Clock Controller bindings

It adds device tree bindings for QCM2290 Global Clock Controller.

Signed-off-by: Shawn Guo <shawn.guo@...aro.org>
---
 .../bindings/clock/qcom,gcc-qcm2290.yaml      | 72 +++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,gcc-qcm2290.yaml

diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-qcm2290.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-qcm2290.yaml
new file mode 100644
index 000000000000..f8130d8ce259
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,gcc-qcm2290.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,gcc-qcm2290.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Global Clock & Reset Controller Binding for QCM2290
+
+maintainers:
+  - Shawn Guo <shawn.guo@...aro.org>
+
+description: |
+  Qualcomm global clock control module which supports the clocks, resets and
+  power domains on QCM2290.
+
+  See also:
+  - dt-bindings/clock/qcom,gcc-qcm2290.h
+
+properties:
+  compatible:
+    const: qcom,gcc-qcm2290
+
+  clocks:
+    items:
+      - description: Board XO source
+      - description: Sleep clock source
+
+  clock-names:
+    items:
+      - const: bi_tcxo
+      - const: sleep_clk
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+  '#power-domain-cells':
+    const: 1
+
+  reg:
+    maxItems: 1
+
+  protected-clocks:
+    description:
+      Protected clock specifier list as per common clock binding.
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+  - reg
+  - '#clock-cells'
+  - '#reset-cells'
+  - '#power-domain-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmcc.h>
+    clock-controller@...0000 {
+        compatible = "qcom,gcc-qcm2290";
+        reg = <0x01400000 0x1f0000>;
+        #clock-cells = <1>;
+        #reset-cells = <1>;
+        #power-domain-cells = <1>;
+        clock-names = "bi_tcxo", "sleep_clk";
+        clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>, <&sleep_clk>;
+    };
+...
-- 
2.17.1