2021-11-29 11:04:51

by Srinivas Kandagatla

[permalink] [raw]
Subject: [PATCH v2] dt-bindings: misc: fastrpc convert bindings to yaml

Convert Qualcomm FastRPC bindings to yaml format, so that we could validate
dt-entries correctly and any future additions can go into yaml format.

Signed-off-by: Srinivas Kandagatla <[email protected]>
---
.../devicetree/bindings/misc/qcom,fastrpc.txt | 78 ----------------
.../bindings/misc/qcom,fastrpc.yaml | 92 +++++++++++++++++++
2 files changed, 92 insertions(+), 78 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/misc/qcom,fastrpc.txt
create mode 100644 Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml

diff --git a/Documentation/devicetree/bindings/misc/qcom,fastrpc.txt b/Documentation/devicetree/bindings/misc/qcom,fastrpc.txt
deleted file mode 100644
index 2a1827ab50d2..000000000000
--- a/Documentation/devicetree/bindings/misc/qcom,fastrpc.txt
+++ /dev/null
@@ -1,78 +0,0 @@
-Qualcomm Technologies, Inc. FastRPC Driver
-
-The FastRPC implements an IPC (Inter-Processor Communication)
-mechanism that allows for clients to transparently make remote method
-invocations across DSP and APPS boundaries. This enables developers
-to offload tasks to the DSP and free up the application processor for
-other tasks.
-
-- compatible:
- Usage: required
- Value type: <stringlist>
- Definition: must be "qcom,fastrpc"
-
-- label
- Usage: required
- Value type: <string>
- Definition: should specify the dsp domain name this fastrpc
- corresponds to. must be one of this: "adsp", "mdsp", "sdsp", "cdsp"
-
-- #address-cells
- Usage: required
- Value type: <u32>
- Definition: Must be 1
-
-- #size-cells
- Usage: required
- Value type: <u32>
- Definition: Must be 0
-
-= COMPUTE BANKS
-Each subnode of the Fastrpc represents compute context banks available
-on the dsp.
-- All Compute context banks MUST contain the following properties:
-
-- compatible:
- Usage: required
- Value type: <stringlist>
- Definition: must be "qcom,fastrpc-compute-cb"
-
-- reg
- Usage: required
- Value type: <u32>
- Definition: Context Bank ID.
-
-- qcom,nsessions:
- Usage: Optional
- Value type: <u32>
- Defination: A value indicating how many sessions can share this
- context bank. Defaults to 1 when this property
- is not specified.
-
-Example:
-
-adsp-pil {
- compatible = "qcom,msm8996-adsp-pil";
- ...
- smd-edge {
- label = "lpass";
- fastrpc {
- compatible = "qcom,fastrpc";
- qcom,smd-channels = "fastrpcsmd-apps-dsp";
- label = "adsp";
- #address-cells = <1>;
- #size-cells = <0>;
-
- cb@1 {
- compatible = "qcom,fastrpc-compute-cb";
- reg = <1>;
- };
-
- cb@2 {
- compatible = "qcom,fastrpc-compute-cb";
- reg = <2>;
- };
- ...
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml b/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml
new file mode 100644
index 000000000000..9dc8d584ed63
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml
@@ -0,0 +1,92 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/misc/qcom,fastrpc.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcomm Technologies, Inc. FastRPC Driver
+
+maintainers:
+ - Srinivas Kandagatla <[email protected]>
+
+description: |
+ This binding describes Qualcomm FastRPC an IPC (Inter-Processor Communication)
+ mechanism that allows for clients to transparently make remote method
+ invocations across DSP and APPS boundaries. This enables developers
+ to offload tasks to the DSP and free up the application processor for
+ other tasks.
+
+properties:
+ compatible:
+ const: qcom,fastrpc
+
+ label:
+ enum:
+ - adsp
+ - mdsp
+ - sdsp
+ - cdsp
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+patternProperties:
+ "^cb@[0-9a-f]$":
+ type: object
+ description: |
+ Compute context bank
+
+ properties:
+ compatible:
+ const: qcom,fastrpc-compute-cb
+
+ reg:
+ maxItems: 1
+ description: Context Bank ID
+
+ qcom,nsessions:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: How many sessions can share this context bank.
+ Defaults to 1 when this property is not specified.
+
+ required:
+ - compatible
+ - reg
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - label
+
+additionalProperties: false
+
+examples:
+ - |
+ adsp-pil {
+ compatible = "qqcom,msm8996-adsp-pil";
+
+ smd-edge {
+ label = "lpass";
+
+ fastrpc {
+ compatible = "qcom,fastrpc";
+ label = "adsp";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cb@1 {
+ compatible = "qcom,fastrpc-compute-cb";
+ reg = <1>;
+ };
+
+ cb@2 {
+ compatible = "qcom,fastrpc-compute-cb";
+ reg = <2>;
+ };
+ };
+ };
+ };
--
2.21.0



2021-11-29 15:32:53

by Rob Herring (Arm)

[permalink] [raw]
Subject: Re: [PATCH v2] dt-bindings: misc: fastrpc convert bindings to yaml

On Mon, 29 Nov 2021 10:19:30 +0000, Srinivas Kandagatla wrote:
> Convert Qualcomm FastRPC bindings to yaml format, so that we could validate
> dt-entries correctly and any future additions can go into yaml format.
>
> Signed-off-by: Srinivas Kandagatla <[email protected]>
> ---
> .../devicetree/bindings/misc/qcom,fastrpc.txt | 78 ----------------
> .../bindings/misc/qcom,fastrpc.yaml | 92 +++++++++++++++++++
> 2 files changed, 92 insertions(+), 78 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/misc/qcom,fastrpc.txt
> create mode 100644 Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml
>

My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
on your patch (DT_CHECKER_FLAGS is new in v5.13):

yamllint warnings/errors:

dtschema/dtc warnings/errors:
Documentation/devicetree/bindings/misc/qcom,fastrpc.example.dt.yaml:0:0: /example-0/adsp-pil: failed to match any schema with compatible: ['qqcom,msm8996-adsp-pil']

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/patch/1561085

This check can fail if there are any dependencies. The base for a patch
series is generally the most recent rc1.

If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure 'yamllint' is installed and dt-schema is up to
date:

pip3 install dtschema --upgrade

Please check and re-submit.