diff mbox series

[v4,1/4] dt-bindings: leds: Add Qualcomm Light Pulse Generator binding

Message ID 20200929031544.1000204-2-bjorn.andersson@linaro.org (mailing list archive)
State Superseded
Headers show
Series Qualcomm Light Pulse Generator | expand

Commit Message

Bjorn Andersson Sept. 29, 2020, 3:15 a.m. UTC
This adds the binding document describing the three hardware blocks
related to the Light Pulse Generator found in a wide range of Qualcomm
PMICs.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---

Changes since v3:
- Rewritten as YAML
- Adopt multicolor model

 .../bindings/leds/leds-qcom-lpg.yaml          | 170 ++++++++++++++++++
 1 file changed, 170 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml

Comments

Rob Herring Sept. 29, 2020, 2:48 p.m. UTC | #1
On Mon, 28 Sep 2020 20:15:41 -0700, Bjorn Andersson wrote:
> This adds the binding document describing the three hardware blocks
> related to the Light Pulse Generator found in a wide range of Qualcomm
> PMICs.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
> 
> Changes since v3:
> - Rewritten as YAML
> - Adopt multicolor model
> 
>  .../bindings/leds/leds-qcom-lpg.yaml          | 170 ++++++++++++++++++
>  1 file changed, 170 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml
> 


My bot found errors running 'make dt_binding_check' on your patch:

Traceback (most recent call last):
  File "/usr/local/bin/dt-extract-example", line 45, in <module>
    binding = yaml.load(open(args.yamlfile, encoding='utf-8').read())
  File "/usr/local/lib/python3.8/dist-packages/ruamel/yaml/main.py", line 343, in load
    return constructor.get_single_data()
  File "/usr/local/lib/python3.8/dist-packages/ruamel/yaml/constructor.py", line 111, in get_single_data
    node = self.composer.get_single_node()
  File "_ruamel_yaml.pyx", line 706, in _ruamel_yaml.CParser.get_single_node
  File "_ruamel_yaml.pyx", line 724, in _ruamel_yaml.CParser._compose_document
  File "_ruamel_yaml.pyx", line 775, in _ruamel_yaml.CParser._compose_node
  File "_ruamel_yaml.pyx", line 889, in _ruamel_yaml.CParser._compose_mapping_node
  File "_ruamel_yaml.pyx", line 773, in _ruamel_yaml.CParser._compose_node
  File "_ruamel_yaml.pyx", line 852, in _ruamel_yaml.CParser._compose_sequence_node
  File "_ruamel_yaml.pyx", line 904, in _ruamel_yaml.CParser._parse_next_event
ruamel.yaml.scanner.ScannerError: while scanning a block scalar
  in "<unicode string>", line 131, column 5
found a tab character where an indentation space is expected
  in "<unicode string>", line 144, column 1
make[1]: *** [Documentation/devicetree/bindings/Makefile:18: Documentation/devicetree/bindings/leds/leds-qcom-lpg.example.dts] Error 1
make[1]: *** Deleting file 'Documentation/devicetree/bindings/leds/leds-qcom-lpg.example.dts'
make[1]: *** Waiting for unfinished jobs....
./Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml:  while scanning a block scalar
  in "<unicode string>", line 131, column 5
found a tab character where an indentation space is expected
  in "<unicode string>", line 144, column 1
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml: ignoring, error parsing file
warning: no schema found in file: ./Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml
make: *** [Makefile:1366: dt_binding_check] Error 2


See https://patchwork.ozlabs.org/patch/1372990

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

pip3 install git+https://github.com/devicetree-org/dt-schema.git@master --upgrade

Please check and re-submit.
Rob Herring Sept. 29, 2020, 2:51 p.m. UTC | #2
On Mon, Sep 28, 2020 at 08:15:41PM -0700, Bjorn Andersson wrote:
> This adds the binding document describing the three hardware blocks
> related to the Light Pulse Generator found in a wide range of Qualcomm
> PMICs.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
> 
> Changes since v3:
> - Rewritten as YAML
> - Adopt multicolor model
> 
>  .../bindings/leds/leds-qcom-lpg.yaml          | 170 ++++++++++++++++++
>  1 file changed, 170 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml
> 
> diff --git a/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml
> new file mode 100644
> index 000000000000..5c6e98fc3b9a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml
> @@ -0,0 +1,170 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/leds/leds-qcom-lpg.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Light Pulse Generator
> +
> +maintainers:
> +  - Bjorn Andersson <bjorn.andersson@linaro.org>
> +
> +description: >
> +  The Qualcomm Light Pulse Generator consists of three different hardware blocks;
> +  a ramp generator with lookup table, the light pulse generator and a three
> +  channel current sink. These blocks are found in a wide range of Qualcomm PMICs.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,pm8916-pwm
> +      - qcom,pm8941-lpg
> +      - qcom,pm8994-lpg
> +      - qcom,pmi8994-lpg
> +      - qcom,pmi8998-lpg
> +
> +  "#pwm-cells":
> +    const: 2
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0
> +
> +  "qcom,power-source":

Don't need quotes.

> +    $ref: /schemas/types.yaml#definitions/uint32
> +    description: >
> +      power-source used to drive the output, as defined in the datasheet.
> +      Should be specified if the TRILED block is present
> +    enum:
> +      - 0
> +      - 1
> +      - 3
> +
> +patternProperties:
> +  "^led@[0-9a-f]$":
> +    type: object
> +    $ref: common.yaml#
> +    properties:
> +      "qcom,dtest":
> +        $ref: /schemas/types.yaml#definitions/uint32-array
> +        description: >
> +          configures the output into an internal test line of the pmic. Specified
> +          by a list of u32 pairs, one pair per channel, where each pair denotes the
> +          test line to drive and the second configures how the value should be
> +          outputed, as defined in the datasheet
> +        minItems: 2
> +        maxItems: 2
> +
> +    required:
> +      - reg
> +
> +  "^multi-led$":

Not a pattern, so move to 'properties'

> +    type: object
> +    $ref: leds-class-multicolor.yaml#
> +    properties:
> +      "#address-cells":
> +        const: 1
> +
> +      "#size-cells":
> +        const: 0
> +
> +      "^led@[0-9a-f]$":
> +        type: object
> +        $ref: common.yaml#
> +
> +        properties:
> +          "qcom,dtest":
> +            $ref: /schemas/types.yaml#definitions/uint32-array
> +            description: >
> +              configures the output into an internal test line of the pmic. Specified
> +              by a list of u32 pairs, one pair per channel, where each pair denotes the
> +              test line to drive and the second configures how the value should be
> +              outputed, as defined in the datasheet
> +            minItems: 2
> +            maxItems: 2
> +
> +        required:
> +          - reg
> +
> +required:
> +  - compatible
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/leds/common.h>
> +
> +    lpg {
> +      compatible = "qcom,pmi8994-lpg";
> +
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      qcom,power-source = <1>;
> +
> +      led@1 {
> +        reg = <1>;
> +        label = "green:user1";
> +      };
> +
> +      led@2 {
> +        reg = <2>;
> +        label = "green:user0";
> +        default-state = "on";
> +      };
> +
> +      led@3 {
> +        reg = <3>;
> +        label = "green:user2";
> +      };
> +
> +      led@4 {
> +        reg = <4>;
> +        label = "green:user3";
> +
> +        qcom,dtest = <4 1>;
> +      };
> +    };
> +  - |
> +    #include <dt-bindings/leds/common.h>
> +
> +    lpg {
> +      compatible = "qcom,pmi8994-lpg";
> +
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      qcom,power-source = <1>;
> +
> +      multi-led {
> +        color = <LED_COLOR_ID_MULTI>;
> +	label = "rgb:notification";
> +
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        led@1 {
> +          reg = <1>;
> +          color = <LED_COLOR_ID_RED>;
> +        };
> +
> +        led@2 {
> +          reg = <2>;
> +          color = <LED_COLOR_ID_GREEN>;
> +        };
> +
> +        led@3 {
> +          reg = <3>;
> +          color = <LED_COLOR_ID_BLUE>;
> +        };
> +      };
> +    };
> +  - |
> +    lpg {
> +      compatible = "qcom,pm8916-pwm";
> +      #pwm-cells = <2>;
> +    };
> +...
> -- 
> 2.28.0
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml
new file mode 100644
index 000000000000..5c6e98fc3b9a
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml
@@ -0,0 +1,170 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/leds-qcom-lpg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Light Pulse Generator
+
+maintainers:
+  - Bjorn Andersson <bjorn.andersson@linaro.org>
+
+description: >
+  The Qualcomm Light Pulse Generator consists of three different hardware blocks;
+  a ramp generator with lookup table, the light pulse generator and a three
+  channel current sink. These blocks are found in a wide range of Qualcomm PMICs.
+
+properties:
+  compatible:
+    enum:
+      - qcom,pm8916-pwm
+      - qcom,pm8941-lpg
+      - qcom,pm8994-lpg
+      - qcom,pmi8994-lpg
+      - qcom,pmi8998-lpg
+
+  "#pwm-cells":
+    const: 2
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+  "qcom,power-source":
+    $ref: /schemas/types.yaml#definitions/uint32
+    description: >
+      power-source used to drive the output, as defined in the datasheet.
+      Should be specified if the TRILED block is present
+    enum:
+      - 0
+      - 1
+      - 3
+
+patternProperties:
+  "^led@[0-9a-f]$":
+    type: object
+    $ref: common.yaml#
+    properties:
+      "qcom,dtest":
+        $ref: /schemas/types.yaml#definitions/uint32-array
+        description: >
+          configures the output into an internal test line of the pmic. Specified
+          by a list of u32 pairs, one pair per channel, where each pair denotes the
+          test line to drive and the second configures how the value should be
+          outputed, as defined in the datasheet
+        minItems: 2
+        maxItems: 2
+
+    required:
+      - reg
+
+  "^multi-led$":
+    type: object
+    $ref: leds-class-multicolor.yaml#
+    properties:
+      "#address-cells":
+        const: 1
+
+      "#size-cells":
+        const: 0
+
+      "^led@[0-9a-f]$":
+        type: object
+        $ref: common.yaml#
+
+        properties:
+          "qcom,dtest":
+            $ref: /schemas/types.yaml#definitions/uint32-array
+            description: >
+              configures the output into an internal test line of the pmic. Specified
+              by a list of u32 pairs, one pair per channel, where each pair denotes the
+              test line to drive and the second configures how the value should be
+              outputed, as defined in the datasheet
+            minItems: 2
+            maxItems: 2
+
+        required:
+          - reg
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/leds/common.h>
+
+    lpg {
+      compatible = "qcom,pmi8994-lpg";
+
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      qcom,power-source = <1>;
+
+      led@1 {
+        reg = <1>;
+        label = "green:user1";
+      };
+
+      led@2 {
+        reg = <2>;
+        label = "green:user0";
+        default-state = "on";
+      };
+
+      led@3 {
+        reg = <3>;
+        label = "green:user2";
+      };
+
+      led@4 {
+        reg = <4>;
+        label = "green:user3";
+
+        qcom,dtest = <4 1>;
+      };
+    };
+  - |
+    #include <dt-bindings/leds/common.h>
+
+    lpg {
+      compatible = "qcom,pmi8994-lpg";
+
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      qcom,power-source = <1>;
+
+      multi-led {
+        color = <LED_COLOR_ID_MULTI>;
+	label = "rgb:notification";
+
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        led@1 {
+          reg = <1>;
+          color = <LED_COLOR_ID_RED>;
+        };
+
+        led@2 {
+          reg = <2>;
+          color = <LED_COLOR_ID_GREEN>;
+        };
+
+        led@3 {
+          reg = <3>;
+          color = <LED_COLOR_ID_BLUE>;
+        };
+      };
+    };
+  - |
+    lpg {
+      compatible = "qcom,pm8916-pwm";
+      #pwm-cells = <2>;
+    };
+...