[PATCH v3,0/6] Convert pwm-mtk-disp.txt to

[PATCH v3,0/6] Convert pwm-mtk-disp.txt to

[xinlei.lee]

From: Xinlei Lee <xinlei.lee@mediatek.com>

Changes since v2:
1. Modify the PWM name to DISP_PWM.
2. Include pwm.yaml.
3. Separate conversion files and add/remove operations.

Changes since v1:
1. Fixed formatting issues mentioned in the v1.
2. Delete pwm-mtk-disp.txt.
3. Add mtk_pwm dt_maintainers.
4. Add "#pwm-cells" & power-domains properties.
5. Make dt_checking successful.

Xinlei Lee (6):
  dt-bindings: pwm: Convert pwm-mtk-disp.txt to mediatek,pwm-disp.yaml
    format
  dt-bindings: pwm: Remove compatible for MediaTek MT8167
  dt-bindings: pwm: Add compatible for MediaTek MT8183
  dt-bindings: pwm: Add compatible for MediaTek MT8192
  dt-bindings: pwm: Add compatible for MediaTek MT8195
  dt-bindings: pwm: Add compatible for MediaTek MT8186

 .../bindings/pwm/mediatek,pwm-disp.yaml       | 72 +++++++++++++++++++
 .../devicetree/bindings/pwm/pwm-mtk-disp.txt  | 44 ------------
 2 files changed, 72 insertions(+), 44 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
 delete mode 100644 Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt

-- 
2.18.0


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[PATCH v3, 1/6] dt-bindings: pwm: Convert pwm-mtk-disp.txt to mediatek, pwm-disp.yaml format

[xinlei.lee]

From: Xinlei Lee <xinlei.lee@mediatek.com>

Convert pwm-mtk-disp.txt to mediatek,pwm-disp.yaml format.

Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
---
 .../bindings/pwm/mediatek,pwm-disp.yaml       | 65 +++++++++++++++++++
 .../devicetree/bindings/pwm/pwm-mtk-disp.txt  | 44 -------------
 2 files changed, 65 insertions(+), 44 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
 delete mode 100644 Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt

diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
new file mode 100644
index 000000000000..f844695d605a
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/mediatek,pwm-disp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek DISP_PWM Controller Device Tree Bindings
+
+maintainers:
+  - Jitao Shi <jitao.shi@mediatek.com>
+  - Xinlei Lee <xinlei.lee@mediatek.com>
+
+allOf:
+  - $ref: pwm.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - mediatek,mt2701-disp-pwm
+          - mediatek,mt6595-disp-pwm
+          - mediatek,mt8173-disp-pwm
+      - items:
+          - const: mediatek,mt8167-disp-pwm
+          - const: mediatek,mt8173-disp-pwm
+
+  reg:
+    maxItems: 1
+
+  "#pwm-cells":
+    const: 2
+
+  clocks:
+    items:
+      - description: Main Clock
+      - description: Mm Clock
+
+  clock-names:
+    items:
+      - const: main
+      - const: mm
+
+required:
+  - compatible
+  - reg
+  - "#pwm-cells"
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/mt8173-clk.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    pwm0: pwm@1401e000 {
+        compatible = "mediatek,mt8173-disp-pwm";
+        reg = <0x1401e000 0x1000>;
+        #pwm-cells = <2>;
+        clocks = <&mmsys CLK_MM_DISP_PWM026M>,
+                 <&mmsys CLK_MM_DISP_PWM0MM>;
+        clock-names = "main", "mm";
+    };
diff --git a/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt
deleted file mode 100644
index 902b271891ae..000000000000
--- a/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt
+++ /dev/null
@@ -1,44 +0,0 @@
-MediaTek display PWM controller
-
-Required properties:
- - compatible: should be "mediatek,<name>-disp-pwm":
-   - "mediatek,mt2701-disp-pwm": found on mt2701 SoC.
-   - "mediatek,mt6595-disp-pwm": found on mt6595 SoC.
-   - "mediatek,mt8167-disp-pwm", "mediatek,mt8173-disp-pwm": found on mt8167 SoC.
-   - "mediatek,mt8173-disp-pwm": found on mt8173 SoC.
- - reg: physical base address and length of the controller's registers.
- - #pwm-cells: must be 2. See pwm.yaml in this directory for a description of
-   the cell format.
- - clocks: phandle and clock specifier of the PWM reference clock.
- - clock-names: must contain the following:
-   - "main": clock used to generate PWM signals.
-   - "mm": sync signals from the modules of mmsys.
- - pinctrl-names: Must contain a "default" entry.
- - pinctrl-0: One property must exist for each entry in pinctrl-names.
-   See pinctrl/pinctrl-bindings.txt for details of the property values.
-
-Example:
-	pwm0: pwm@1401e000 {
-		compatible = "mediatek,mt8173-disp-pwm",
-			     "mediatek,mt6595-disp-pwm";
-		reg = <0 0x1401e000 0 0x1000>;
-		#pwm-cells = <2>;
-		clocks = <&mmsys CLK_MM_DISP_PWM026M>,
-			 <&mmsys CLK_MM_DISP_PWM0MM>;
-		clock-names = "main", "mm";
-		pinctrl-names = "default";
-		pinctrl-0 = <&disp_pwm0_pins>;
-	};
-
-	backlight_lcd: backlight_lcd {
-		compatible = "pwm-backlight";
-		pwms = <&pwm0 0 1000000>;
-		brightness-levels = <
-			  0  16  32  48  64  80  96 112
-			128 144 160 176 192 208 224 240
-			255
-		>;
-		default-brightness-level = <9>;
-		power-supply = <&mt6397_vio18_reg>;
-		enable-gpios = <&pio 95 GPIO_ACTIVE_HIGH>;
-	};
-- 
2.18.0


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[PATCH v3, 2/6] dt-bindings: pwm: Remove compatible for MediaTek MT8167

[xinlei.lee]

From: Xinlei Lee <xinlei.lee@mediatek.com>

Remove dt-binding documentation of pwm for MediaTek MT8167 SoC.

Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
---
 Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
index f844695d605a..f18e8bbd13d2 100644
--- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
+++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
@@ -20,9 +20,6 @@ properties:
           - mediatek,mt2701-disp-pwm
           - mediatek,mt6595-disp-pwm
           - mediatek,mt8173-disp-pwm
-      - items:
-          - const: mediatek,mt8167-disp-pwm
-          - const: mediatek,mt8173-disp-pwm
 
   reg:
     maxItems: 1
-- 
2.18.0


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[PATCH v3,3/6] dt-bindings: pwm: Add compatible for MediaTek MT8183

[xinlei.lee]

From: Xinlei Lee <xinlei.lee@mediatek.com>

Add dt-binding documentation of pwm for MediaTek MT8183 SoC.

Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
---
 Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
index f18e8bbd13d2..3a1ba329b7b3 100644
--- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
+++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
@@ -20,6 +20,7 @@ properties:
           - mediatek,mt2701-disp-pwm
           - mediatek,mt6595-disp-pwm
           - mediatek,mt8173-disp-pwm
+          - mediatek,mt8183-disp-pwm
 
   reg:
     maxItems: 1
-- 
2.18.0


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[PATCH v3,4/6] dt-bindings: pwm: Add compatible for MediaTek MT8192

[xinlei.lee]

From: Xinlei Lee <xinlei.lee@mediatek.com>

Add dt-binding documentation of pwm for MediaTek MT8192 SoC.

Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
---
 Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
index 3a1ba329b7b3..fa1c0b96bb29 100644
--- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
+++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
@@ -21,7 +21,9 @@ properties:
           - mediatek,mt6595-disp-pwm
           - mediatek,mt8173-disp-pwm
           - mediatek,mt8183-disp-pwm
-
+      - items:
+          - const: mediatek,mt8192-disp-pwm
+          - const: mediatek,mt8183-disp-pwm
   reg:
     maxItems: 1
 
-- 
2.18.0


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[PATCH v3,5/6] dt-bindings: pwm: Add compatible for MediaTek MT8195

[xinlei.lee]

From: Xinlei Lee <xinlei.lee@mediatek.com>

Add dt-binding documentation of pwm for MediaTek MT8195 SoC.

Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
---
 Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
index fa1c0b96bb29..3a5d1cfed94d 100644
--- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
+++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
@@ -24,6 +24,10 @@ properties:
       - items:
           - const: mediatek,mt8192-disp-pwm
           - const: mediatek,mt8183-disp-pwm
+      - items:
+          - const: mediatek,mt8195-disp-pwm
+          - const: mediatek,mt8183-disp-pwm
+
   reg:
     maxItems: 1
 
-- 
2.18.0


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[PATCH v3,6/6] dt-bindings: pwm: Add compatible for MediaTek MT8186

[xinlei.lee]

From: Xinlei Lee <xinlei.lee@mediatek.com>

Add dt-binding documentation of pwm for MediaTek MT8186 SoC.

Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
---
 Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
index 3a5d1cfed94d..053805846cfe 100644
--- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
+++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
@@ -21,6 +21,9 @@ properties:
           - mediatek,mt6595-disp-pwm
           - mediatek,mt8173-disp-pwm
           - mediatek,mt8183-disp-pwm
+      - items:
+          - const: mediatek,mt8186-disp-pwm
+          - const: mediatek,mt8183-disp-pwm
       - items:
           - const: mediatek,mt8192-disp-pwm
           - const: mediatek,mt8183-disp-pwm
-- 
2.18.0


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Re: [PATCH v3,6/6] dt-bindings: pwm: Add compatible for MediaTek MT8186

[AngeloGioacchino Del Regno]

Il 02/03/22 06:31, xinlei.lee@mediatek.com ha scritto:
> From: Xinlei Lee <xinlei.lee@mediatek.com>
> 
> Add dt-binding documentation of pwm for MediaTek MT8186 SoC.
> 
> Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
> ---
>   Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> index 3a5d1cfed94d..053805846cfe 100644
> --- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> +++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> @@ -21,6 +21,9 @@ properties:
>             - mediatek,mt6595-disp-pwm
>             - mediatek,mt8173-disp-pwm
>             - mediatek,mt8183-disp-pwm
> +      - items:
> +          - const: mediatek,mt8186-disp-pwm
> +          - const: mediatek,mt8183-disp-pwm
>         - items:
>             - const: mediatek,mt8192-disp-pwm
>             - const: mediatek,mt8183-disp-pwm
> 


Hello Xinlei,

even though repeating these items may not give you errors, this is not really
the best way to do this.
I've done something similar here:
https://lore.kernel.org/linux-arm-kernel/20220217095242.13761-1-angelogioacchino.delregno@collabora.com/

So, for the compatibles needing mediatek,mt8183-disp-pwm it should be looking
similar to this:

- items:
     - enum:
         - mediatek,mt8186-disp-pwm
         - mediatek,mt8192-disp-pwm
         - mediatek,mt8195-disp-pwm
     - const: mediatek,mt8183-disp-pwm

Regards,
Angelo

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Re: [PATCH v3,6/6] dt-bindings: pwm: Add compatible for MediaTek MT8186

[Rob Herring]

On Wed, Mar 02, 2022 at 01:31:46PM +0800, xinlei.lee@mediatek.com wrote:
> From: Xinlei Lee <xinlei.lee@mediatek.com>
> 
> Add dt-binding documentation of pwm for MediaTek MT8186 SoC.
> 
> Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
> ---
>  Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> index 3a5d1cfed94d..053805846cfe 100644
> --- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> +++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> @@ -21,6 +21,9 @@ properties:
>            - mediatek,mt6595-disp-pwm
>            - mediatek,mt8173-disp-pwm
>            - mediatek,mt8183-disp-pwm
> +      - items:
> +          - const: mediatek,mt8186-disp-pwm
> +          - const: mediatek,mt8183-disp-pwm

Combine to 1 entry:

>        - items:
>            - const: mediatek,mt8192-disp-pwm

enum:
  - mediatek,mt8186-disp-pwm
  - mediatek,mt8192-disp-pwm

>            - const: mediatek,mt8183-disp-pwm
> -- 
> 2.18.0
> 
> 
> _______________________________________________
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> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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Re: [PATCH v3,3/6] dt-bindings: pwm: Add compatible for MediaTek MT8183

[Rob Herring]

On Wed, Mar 02, 2022 at 01:31:43PM +0800, xinlei.lee@mediatek.com wrote:
> From: Xinlei Lee <xinlei.lee@mediatek.com>
> 
> Add dt-binding documentation of pwm for MediaTek MT8183 SoC.
> 
> Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
> ---
>  Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 1 +
>  1 file changed, 1 insertion(+)

Acked-by: Rob Herring <robh@kernel.org>

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Re: [PATCH v3, 2/6] dt-bindings: pwm: Remove compatible for MediaTek MT8167

[Rob Herring]

On Wed, Mar 02, 2022 at 01:31:42PM +0800, xinlei.lee@mediatek.com wrote:
> From: Xinlei Lee <xinlei.lee@mediatek.com>
> 
> Remove dt-binding documentation of pwm for MediaTek MT8167 SoC.

Why?

> 
> Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
> ---
>  Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> index f844695d605a..f18e8bbd13d2 100644
> --- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> +++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> @@ -20,9 +20,6 @@ properties:
>            - mediatek,mt2701-disp-pwm
>            - mediatek,mt6595-disp-pwm
>            - mediatek,mt8173-disp-pwm
> -      - items:
> -          - const: mediatek,mt8167-disp-pwm
> -          - const: mediatek,mt8173-disp-pwm
>  
>    reg:
>      maxItems: 1
> -- 
> 2.18.0
> 
> 
> _______________________________________________
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> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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Re: [PATCH v3, 1/6] dt-bindings: pwm: Convert pwm-mtk-disp.txt to mediatek, pwm-disp.yaml format

[Rob Herring]

On Wed, Mar 02, 2022 at 01:31:41PM +0800, xinlei.lee@mediatek.com wrote:
> From: Xinlei Lee <xinlei.lee@mediatek.com>
> 
> Convert pwm-mtk-disp.txt to mediatek,pwm-disp.yaml format.
> 
> Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
> ---
>  .../bindings/pwm/mediatek,pwm-disp.yaml       | 65 +++++++++++++++++++
>  .../devicetree/bindings/pwm/pwm-mtk-disp.txt  | 44 -------------
>  2 files changed, 65 insertions(+), 44 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
>  delete mode 100644 Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt

Reviewed-by: Rob Herring <robh@kernel.org>

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Re: [PATCH v3, 2/6] dt-bindings: pwm: Remove compatible for MediaTek MT8167

[xinlei.lee]

On Wed, 2022-03-02 at 11:56 -0600, Rob Herring wrote:
> On Wed, Mar 02, 2022 at 01:31:42PM +0800, xinlei.lee@mediatek.com
> wrote:
> > From: Xinlei Lee <xinlei.lee@mediatek.com>
> > 
> > Remove dt-binding documentation of pwm for MediaTek MT8167 SoC.
> 
> Why?
> 
> > 
> > Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
> > ---
> >  Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 3
> > ---
> >  1 file changed, 3 deletions(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-
> > disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-
> > disp.yaml
> > index f844695d605a..f18e8bbd13d2 100644
> > --- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> > +++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> > @@ -20,9 +20,6 @@ properties:
> >            - mediatek,mt2701-disp-pwm
> >            - mediatek,mt6595-disp-pwm
> >            - mediatek,mt8173-disp-pwm
> > -      - items:
> > -          - const: mediatek,mt8167-disp-pwm
> > -          - const: mediatek,mt8173-disp-pwm
> >  
> >    reg:
> >      maxItems: 1
> > -- 
> > 2.18.0
> > 
> > 
> > _______________________________________________
> > linux-arm-kernel mailing list
> > linux-arm-kernel@lists.infradead.org
> > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Hi Rob:

Thanks for your review. Because I did not find the compatiable
corresponding to mt8167 in the latest version of the pwm-mtk-disp.c
driver file.
My understanding is that it may be disabled but not updated to the
dt_binding file. If I have misunderstood, please let me know if this
modification is still required. 
Looking forward to your feedback.

Best Regards!
Thanks!
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Re: [PATCH v3,6/6] dt-bindings: pwm: Add compatible for MediaTek MT8186

[xinlei.lee]

On Wed, 2022-03-02 at 11:55 -0600, Rob Herring wrote:
> On Wed, Mar 02, 2022 at 01:31:46PM +0800, xinlei.lee@mediatek.com
> wrote:
> > From: Xinlei Lee <xinlei.lee@mediatek.com>
> > 
> > Add dt-binding documentation of pwm for MediaTek MT8186 SoC.
> > 
> > Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
> > ---
> >  Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 3
> > +++
> >  1 file changed, 3 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-
> > disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-
> > disp.yaml
> > index 3a5d1cfed94d..053805846cfe 100644
> > --- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> > +++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> > @@ -21,6 +21,9 @@ properties:
> >            - mediatek,mt6595-disp-pwm
> >            - mediatek,mt8173-disp-pwm
> >            - mediatek,mt8183-disp-pwm
> > +      - items:
> > +          - const: mediatek,mt8186-disp-pwm
> > +          - const: mediatek,mt8183-disp-pwm
> 
> Combine to 1 entry:
> 
> >        - items:
> >            - const: mediatek,mt8192-disp-pwm
> 
> enum:
>   - mediatek,mt8186-disp-pwm
>   - mediatek,mt8192-disp-pwm
> 
> >            - const: mediatek,mt8183-disp-pwm
> > -- 
> > 2.18.0
> > 
> > 
> > _______________________________________________
> > linux-arm-kernel mailing list
> > linux-arm-kernel@lists.infradead.org
> > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

Hi Rob:

Thanks for your review!
I will combine the reuse of the same driver into one entry in the next
version.

Best Regards!
xinlei
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Re: [PATCH v3,6/6] dt-bindings: pwm: Add compatible for MediaTek MT8186

[xinlei.lee]

On Wed, 2022-03-02 at 15:14 +0100, AngeloGioacchino Del Regno wrote:
> Il 02/03/22 06:31, xinlei.lee@mediatek.com ha scritto:
> > From: Xinlei Lee <xinlei.lee@mediatek.com>
> > 
> > Add dt-binding documentation of pwm for MediaTek MT8186 SoC.
> > 
> > Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
> > ---
> >   Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 3
> > +++
> >   1 file changed, 3 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-
> > disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-
> > disp.yaml
> > index 3a5d1cfed94d..053805846cfe 100644
> > --- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> > +++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
> > @@ -21,6 +21,9 @@ properties:
> >             - mediatek,mt6595-disp-pwm
> >             - mediatek,mt8173-disp-pwm
> >             - mediatek,mt8183-disp-pwm
> > +      - items:
> > +          - const: mediatek,mt8186-disp-pwm
> > +          - const: mediatek,mt8183-disp-pwm
> >         - items:
> >             - const: mediatek,mt8192-disp-pwm
> >             - const: mediatek,mt8183-disp-pwm
> > 
> 
> 
> Hello Xinlei,
> 
> even though repeating these items may not give you errors, this is
> not really
> the best way to do this.
> I've done something similar here:
> 
https://lore.kernel.org/linux-arm-kernel/20220217095242.13761-1-angelogioacchino.delregno@collabora.com/
> 
> So, for the compatibles needing mediatek,mt8183-disp-pwm it should be
> looking
> similar to this:
> 
> - items:
>      - enum:
>          - mediatek,mt8186-disp-pwm
>          - mediatek,mt8192-disp-pwm
>          - mediatek,mt8195-disp-pwm
>      - const: mediatek,mt8183-disp-pwm
> 
> Regards,
> Angelo

Hi Angelo:

Thanks for your review, it's a great suggestion.
I will revise it as you suggested in the next commit.

Best Regards!
xinlei
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