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Message-Id: <1592550307-11040-2-git-send-email-kathirav@codeaurora.org>
Date: Fri, 19 Jun 2020 12:35:02 +0530
From: Kathiravan T <kathirav@...eaurora.org>
To: agross@...nel.org, bjorn.andersson@...aro.org, lgirdwood@...il.com,
broonie@...nel.org, robh+dt@...nel.org, kathirav@...eaurora.org,
linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org
Cc: sivaprak@...eaurora.org
Subject: [PATCH 1/6] dt-bindings: soc: qcom: add YAML schema for SMD-RPM driver
Add YAML schema for the devitree properties used in the SMD-RPM driver.
Signed-off-by: Kathiravan T <kathirav@...eaurora.org>
---
.../devicetree/bindings/soc/qcom/qcom,smd-rpm.txt | 62 ---------------
.../devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml | 91 ++++++++++++++++++++++
2 files changed, 91 insertions(+), 62 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.txt
create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.txt
deleted file mode 100644
index 616fddc..00000000
--- a/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.txt
+++ /dev/null
@@ -1,62 +0,0 @@
-Qualcomm Resource Power Manager (RPM) over SMD
-
-This driver is used to interface with the Resource Power Manager (RPM) found in
-various Qualcomm platforms. The RPM allows each component in the system to vote
-for state of the system resources, such as clocks, regulators and bus
-frequencies.
-
-The SMD information for the RPM edge should be filled out. See qcom,smd.txt for
-the required edge properties. All SMD related properties will reside within the
-RPM node itself.
-
-= SUBDEVICES
-
-The RPM exposes resources to its subnodes. The rpm_requests node must be
-present and this subnode may contain children that designate regulator
-resources.
-
-- compatible:
- Usage: required
- Value type: <string>
- Definition: must be one of:
- "qcom,rpm-apq8084"
- "qcom,rpm-msm8916"
- "qcom,rpm-msm8974"
- "qcom,rpm-msm8976"
- "qcom,rpm-msm8998"
- "qcom,rpm-sdm660"
- "qcom,rpm-qcs404"
-
-- qcom,smd-channels:
- Usage: required
- Value type: <string>
- Definition: must be "rpm_requests"
-
-Refer to Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt
-for information on the regulator subnodes that can exist under the rpm_requests.
-
-Example:
-
- soc {
- apcs: syscon@...11000 {
- compatible = "syscon";
- reg = <0xf9011000 0x1000>;
- };
- };
-
- smd {
- compatible = "qcom,smd";
-
- rpm {
- interrupts = <0 168 1>;
- qcom,ipc = <&apcs 8 0>;
- qcom,smd-edge = <15>;
-
- rpm_requests {
- compatible = "qcom,rpm-msm8974";
- qcom,smd-channels = "rpm_requests";
-
- ...
- };
- };
- };
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml
new file mode 100644
index 00000000..5b33def
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml
@@ -0,0 +1,91 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/soc/qcom/qcom,smd-rpm.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcomm Resource Power Manager (RPM) over SMD
+
+description: |
+ This driver is used to interface with the Resource Power Manager (RPM) found
+ in various Qualcomm platforms. The RPM allows each component in the system
+ to vote for state of the system resources, such as clocks, regulators and bus
+ frequencies.
+
+ The SMD information for the RPM edge should be filled out. See qcom,smd.txt
+ for the required edge properties. All SMD related properties will reside
+ within the RPM node itself.
+
+ The RPM exposes resources to its subnodes. The rpm_requests node must be
+ present and this subnode may contain children that designate regulator
+ resources.
+
+ Refer to Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt
+ for information on the regulator subnodes that can exist under the
+ rpm_requests.
+
+maintainers:
+ - Kathiravan T <kathirav@...eaurora.org>
+
+properties:
+ compatible:
+ enum:
+ - qcom,rpm-apq8084
+ - qcom,rpm-msm8916
+ - qcom,rpm-msm8974
+ - qcom,rpm-msm8976
+ - qcom,rpm-msm8996
+ - qcom,rpm-msm8998
+ - qcom,rpm-sdm660
+ - qcom,rpm-qcs404
+
+ qcom,smd-channels:
+ $ref: /schemas/types.yaml#/definitions/string-array
+ description: Channel name used for the RPM communication
+ items:
+ - const: rpm_requests
+
+if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,rpm-apq8084
+ - qcom,rpm-msm8916
+ - qcom,rpm-msm8974
+then:
+ required:
+ - qcom,smd-channels
+
+required:
+ - compatible
+
+additionalProperties: false
+
+examples:
+ - |
+ soc {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ apcs: syscon@...11000 {
+ compatible = "syscon";
+ reg = <0xf9011000 0x1000>;
+ };
+ };
+ smd {
+ compatible = "qcom,smd";
+
+ rpm {
+ interrupts = <0 168 1>;
+ qcom,ipc = <&apcs 8 0>;
+ qcom,smd-edge = <15>;
+
+ rpm_requests {
+ compatible = "qcom,rpm-msm8974";
+ qcom,smd-channels = "rpm_requests";
+
+ /* Regulator nodes to follow */
+ };
+ };
+ };
+...
--
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