linux-kernel - [PATCH v2 3/5] dt-bindings: clock: Add Qualcomm A7 PLL binding

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Date:   Fri,  8 Jan 2021 17:02:31 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     mturquette@...libre.com, sboyd@...nel.org, robh+dt@...nel.org,
        jassisinghbrar@...il.com
Cc:     viresh.kumar@...aro.org, ulf.hansson@...aro.org,
        bjorn.andersson@...aro.org, agross@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH v2 3/5] dt-bindings: clock: Add Qualcomm A7 PLL binding

Add devicetree YAML binding for Cortex A7 PLL clock in Qualcomm
platforms like SDX55.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 .../devicetree/bindings/clock/qcom,a7pll.yaml | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,a7pll.yaml

diff --git a/Documentation/devicetree/bindings/clock/qcom,a7pll.yaml b/Documentation/devicetree/bindings/clock/qcom,a7pll.yaml
new file mode 100644
index 000000000000..8666e995725f
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,a7pll.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,a7pll.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm A7 PLL Binding
+
+maintainers:
+  - Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
+
+description:
+  The A7 PLL on the Qualcomm platforms like SDX55 is used to provide high
+  frequency clock to the CPU.
+
+properties:
+  compatible:
+    enum:
+      - qcom,sdx55-a7pll
+
+  reg:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 0
+
+  clocks:
+    items:
+      - description: board XO clock
+
+  clock-names:
+    items:
+      - const: bi_tcxo
+
+required:
+  - compatible
+  - reg
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    a7pll: clock@...08000 {
+        compatible = "qcom,sdx55-a7pll";
+        reg = <0x17808000 0x1000>;
+        clocks = <&rpmhcc RPMH_CXO_CLK>;
+        clock-names = "bi_tcxo";
+        #clock-cells = <0>;
+    };
-- 
2.25.1