diff mbox series

[v2,2/4] backlight: rt4831: Adds DT binding document for Richtek RT4831 backlight

Message ID 1607011595-13603-2-git-send-email-u0084500@gmail.com
State New
Headers show
Series None | expand

Commit Message

cy_huang Dec. 3, 2020, 4:06 p.m. UTC
From: ChiYuan Huang <cy_huang@richtek.com>

Adds DT binding document for Richtek RT4831 backlight.

Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
---
 .../leds/backlight/richtek,rt4831-backlight.yaml   | 86 ++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml

Comments

Rob Herring (Arm) Dec. 7, 2020, 4:04 p.m. UTC | #1
On Fri, 04 Dec 2020 00:06:33 +0800, cy_huang wrote:
> From: ChiYuan Huang <cy_huang@richtek.com>

> 

> Adds DT binding document for Richtek RT4831 backlight.

> 

> Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>

> ---

>  .../leds/backlight/richtek,rt4831-backlight.yaml   | 86 ++++++++++++++++++++++

>  1 file changed, 86 insertions(+)

>  create mode 100644 Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml

> 



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

yamllint warnings/errors:

dtschema/dtc warnings/errors:
Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.example.dts:19:18: fatal error: dt-bindings/leds/rt4831-backlight.h: No such file or directory
   19 |         #include <dt-bindings/leds/rt4831-backlight.h>
      |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
make[1]: *** [scripts/Makefile.lib:342: Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.example.dt.yaml] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:1364: dt_binding_check] Error 2


See https://patchwork.ozlabs.org/patch/1410481

The base for the patch is generally the last rc1. Any dependencies
should be noted.

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.
Rob Herring (Arm) Dec. 7, 2020, 4:42 p.m. UTC | #2
On Fri, Dec 04, 2020 at 12:06:33AM +0800, cy_huang wrote:
> From: ChiYuan Huang <cy_huang@richtek.com>

> 

> Adds DT binding document for Richtek RT4831 backlight.

> 

> Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>

> ---

>  .../leds/backlight/richtek,rt4831-backlight.yaml   | 86 ++++++++++++++++++++++

>  1 file changed, 86 insertions(+)

>  create mode 100644 Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml

> 

> diff --git a/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml

> new file mode 100644

> index 00000000..df1439a

> --- /dev/null

> +++ b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml

> @@ -0,0 +1,86 @@

> +# SPDX-License-Identifier: GPL-2.0

> +%YAML 1.2

> +---

> +$id: http://devicetree.org/schemas/leds/backlight/richtek,rt4831-backlight.yaml#

> +$schema: http://devicetree.org/meta-schemas/core.yaml#

> +

> +title: Richtek RT4831 Backlight

> +

> +maintainers:

> +  - ChiYuan Huang <cy_huang@richtek.com>

> +

> +description: |

> +  RT4831 is a mutifunctional device that can provide power to the LCD display

> +  and LCD backlight.

> +

> +  For the LCD backlight, it can provide four channel WLED driving capability.

> +  Each channel driving current is up to 30mA

> +

> +  Datasheet is available at

> +  https://www.richtek.com/assets/product_file/RT4831A/DS4831A-05.pdf

> +

> +properties:

> +  compatible:

> +    const: richtek,rt4831-backlight

> +

> +  default-brightness:

> +    description: |

> +      The default brightness that applied to the system on start-up.

> +    $ref: /schemas/types.yaml#/definitions/uint32

> +    minimum: 0

> +    maximum: 2048

> +

> +  max-brightness:

> +    description: |

> +      The max brightness for the H/W limit

> +    $ref: /schemas/types.yaml#/definitions/uint32

> +    minimum: 0

> +    maximum: 2048

> +

> +  richtek,pwm-enable:

> +    description: |

> +      Specify the backlight dimming following by PWM duty or by SW control.

> +    type: boolean

> +

> +  richtek,bled-ovp-sel:

> +    description: |

> +      Backlight OVP level selection, currently support 17V/21V/25V/29V.

> +    $ref: /schemas/types.yaml#/definitions/uint8

> +    default: 1

> +    minimum: 0

> +    maximum: 3

> +

> +  richtek,channel-use:

> +    description: |

> +      Backlight LED channel to be used.

> +      BIT 0/1/2/3 is used to indicate led channel 1/2/3/4 enable or disable.

> +    $ref: /schemas/types.yaml#/definitions/uint8

> +    minimum: 1

> +    maximum: 15

> +

> +required:

> +  - compatible

> +  - richtek,channel-use

> +

> +additionalProperties: false

> +

> +examples:

> +  - |

> +    #include <dt-bindings/leds/rt4831-backlight.h>

> +    i2c {

> +      #address-cells = <1>;

> +      #size-cells = <0>;

> +

> +      rt4831@11 {

> +        compatible = "richtek,rt4831";

> +        reg = <0x11>;

> +

> +        backlight {

> +          compatible = "richtek,rt4831-backlight";

> +          default-brightness = <1024>;

> +          max-brightness = <2048>;

> +          richtek,bled-ovp-sel = /bits/ 8 <RT4831_BLOVPLVL_21V>;

> +          richtek,channel-use = /bits/ 8 <RT4831_BLED_ALLCHEN>;

> +        };

> +      };


Just do 1 complete example in the mfd binding.

> +    };

> -- 

> 2.7.4

>
cy_huang Dec. 8, 2020, 2:57 p.m. UTC | #3
Rob Herring <robh@kernel.org> 於 2020年12月8日 週二 上午12:42寫道:
>

> On Fri, Dec 04, 2020 at 12:06:33AM +0800, cy_huang wrote:

> > From: ChiYuan Huang <cy_huang@richtek.com>

> >

> > Adds DT binding document for Richtek RT4831 backlight.

> >

> > Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>

> > ---

> >  .../leds/backlight/richtek,rt4831-backlight.yaml   | 86 ++++++++++++++++++++++

> >  1 file changed, 86 insertions(+)

> >  create mode 100644 Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml

> >

> > diff --git a/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml

> > new file mode 100644

> > index 00000000..df1439a

> > --- /dev/null

> > +++ b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml

> > @@ -0,0 +1,86 @@

> > +# SPDX-License-Identifier: GPL-2.0

> > +%YAML 1.2

> > +---

> > +$id: http://devicetree.org/schemas/leds/backlight/richtek,rt4831-backlight.yaml#

> > +$schema: http://devicetree.org/meta-schemas/core.yaml#

> > +

> > +title: Richtek RT4831 Backlight

> > +

> > +maintainers:

> > +  - ChiYuan Huang <cy_huang@richtek.com>

> > +

> > +description: |

> > +  RT4831 is a mutifunctional device that can provide power to the LCD display

> > +  and LCD backlight.

> > +

> > +  For the LCD backlight, it can provide four channel WLED driving capability.

> > +  Each channel driving current is up to 30mA

> > +

> > +  Datasheet is available at

> > +  https://www.richtek.com/assets/product_file/RT4831A/DS4831A-05.pdf

> > +

> > +properties:

> > +  compatible:

> > +    const: richtek,rt4831-backlight

> > +

> > +  default-brightness:

> > +    description: |

> > +      The default brightness that applied to the system on start-up.

> > +    $ref: /schemas/types.yaml#/definitions/uint32

> > +    minimum: 0

> > +    maximum: 2048

> > +

> > +  max-brightness:

> > +    description: |

> > +      The max brightness for the H/W limit

> > +    $ref: /schemas/types.yaml#/definitions/uint32

> > +    minimum: 0

> > +    maximum: 2048

> > +

> > +  richtek,pwm-enable:

> > +    description: |

> > +      Specify the backlight dimming following by PWM duty or by SW control.

> > +    type: boolean

> > +

> > +  richtek,bled-ovp-sel:

> > +    description: |

> > +      Backlight OVP level selection, currently support 17V/21V/25V/29V.

> > +    $ref: /schemas/types.yaml#/definitions/uint8

> > +    default: 1

> > +    minimum: 0

> > +    maximum: 3

> > +

> > +  richtek,channel-use:

> > +    description: |

> > +      Backlight LED channel to be used.

> > +      BIT 0/1/2/3 is used to indicate led channel 1/2/3/4 enable or disable.

> > +    $ref: /schemas/types.yaml#/definitions/uint8

> > +    minimum: 1

> > +    maximum: 15

> > +

> > +required:

> > +  - compatible

> > +  - richtek,channel-use

> > +

> > +additionalProperties: false

> > +

> > +examples:

> > +  - |

> > +    #include <dt-bindings/leds/rt4831-backlight.h>

> > +    i2c {

> > +      #address-cells = <1>;

> > +      #size-cells = <0>;

> > +

> > +      rt4831@11 {

> > +        compatible = "richtek,rt4831";

> > +        reg = <0x11>;

> > +

> > +        backlight {

> > +          compatible = "richtek,rt4831-backlight";

> > +          default-brightness = <1024>;

> > +          max-brightness = <2048>;

> > +          richtek,bled-ovp-sel = /bits/ 8 <RT4831_BLOVPLVL_21V>;

> > +          richtek,channel-use = /bits/ 8 <RT4831_BLED_ALLCHEN>;

> > +        };

> > +      };

>

> Just do 1 complete example in the mfd binding.

>

Ack.
> > +    };

> > --

> > 2.7.4

> >
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml
new file mode 100644
index 00000000..df1439a
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml
@@ -0,0 +1,86 @@ 
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/backlight/richtek,rt4831-backlight.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Richtek RT4831 Backlight
+
+maintainers:
+  - ChiYuan Huang <cy_huang@richtek.com>
+
+description: |
+  RT4831 is a mutifunctional device that can provide power to the LCD display
+  and LCD backlight.
+
+  For the LCD backlight, it can provide four channel WLED driving capability.
+  Each channel driving current is up to 30mA
+
+  Datasheet is available at
+  https://www.richtek.com/assets/product_file/RT4831A/DS4831A-05.pdf
+
+properties:
+  compatible:
+    const: richtek,rt4831-backlight
+
+  default-brightness:
+    description: |
+      The default brightness that applied to the system on start-up.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 2048
+
+  max-brightness:
+    description: |
+      The max brightness for the H/W limit
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 2048
+
+  richtek,pwm-enable:
+    description: |
+      Specify the backlight dimming following by PWM duty or by SW control.
+    type: boolean
+
+  richtek,bled-ovp-sel:
+    description: |
+      Backlight OVP level selection, currently support 17V/21V/25V/29V.
+    $ref: /schemas/types.yaml#/definitions/uint8
+    default: 1
+    minimum: 0
+    maximum: 3
+
+  richtek,channel-use:
+    description: |
+      Backlight LED channel to be used.
+      BIT 0/1/2/3 is used to indicate led channel 1/2/3/4 enable or disable.
+    $ref: /schemas/types.yaml#/definitions/uint8
+    minimum: 1
+    maximum: 15
+
+required:
+  - compatible
+  - richtek,channel-use
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/leds/rt4831-backlight.h>
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      rt4831@11 {
+        compatible = "richtek,rt4831";
+        reg = <0x11>;
+
+        backlight {
+          compatible = "richtek,rt4831-backlight";
+          default-brightness = <1024>;
+          max-brightness = <2048>;
+          richtek,bled-ovp-sel = /bits/ 8 <RT4831_BLOVPLVL_21V>;
+          richtek,channel-use = /bits/ 8 <RT4831_BLED_ALLCHEN>;
+        };
+      };
+    };