diff mbox series

[88/89] dt-bindings: display: vc4: hdmi: Add BCM2711 HDMI controllers bindings

Message ID 4c21dda4f0b73977de1e54d408d7bf6bf3b6d238.1582533919.git-series.maxime@cerno.tech (mailing list archive)
State New, archived
Headers show
Series drm/vc4: Support BCM2711 Display Pipeline | expand

Commit Message

Maxime Ripard Feb. 24, 2020, 9:07 a.m. UTC
The HDMI controllers found in the BCM2711 SoC need some adjustments to the
bindings, especially since the registers have been shuffled around in more
register ranges.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
 Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml | 118 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 109 insertions(+), 9 deletions(-)

Comments

Rob Herring Feb. 25, 2020, 6:24 p.m. UTC | #1
On Mon, Feb 24, 2020 at 10:07:30AM +0100, Maxime Ripard wrote:
> The HDMI controllers found in the BCM2711 SoC need some adjustments to the
> bindings, especially since the registers have been shuffled around in more
> register ranges.
> 
> Cc: Rob Herring <robh+dt@kernel.org>
> Cc: devicetree@vger.kernel.org
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
> ---
>  Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml | 118 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------
>  1 file changed, 109 insertions(+), 9 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml b/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml
> index 52b3cdac0bdf..a9d24e1cf684 100644
> --- a/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml
> +++ b/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml
> @@ -11,24 +11,58 @@ maintainers:
>  
>  properties:
>    compatible:
> -    const: brcm,bcm2835-hdmi
> +    enum:
> +      - brcm,bcm2835-hdmi
> +      - brcm,bcm2711-hdmi0
> +      - brcm,bcm2711-hdmi1
>  
>    reg:
> +    oneOf:
> +      - items:
> +        - description: HDMI register range
> +        - description: HD register range
> +
> +      - items:
> +        - description: HDMI controller register range
> +        - description: DVP register range
> +        - description: HDMI PHY register range
> +        - description: Rate Manager register range
> +        - description: Packet RAM register range
> +        - description: Metadata RAM register range
> +        - description: CSC register range
> +        - description: CEC register range
> +        - description: HD register range
> +
> +  reg-names:
>      items:
> -      - description: HDMI register range
> -      - description: HD register range
> +      - const: hdmi
> +      - const: dvp
> +      - const: phy
> +      - const: rm
> +      - const: packet
> +      - const: metadata
> +      - const: csc
> +      - const: cec
> +      - const: hd

Don't you want 'hd' 2nd or need to define the 2 entry case separately?

Really, I think this should be 2 files. All but interrupts and ddc have 
a difference.

>  
>    interrupts:
>      minItems: 2
>  
>    clocks:
> -    items:
> -      - description: The pixel clock
> -      - description: The HDMI state machine clock
> +    oneOf:
> +      - items:
> +        - description: The pixel clock
> +        - description: The HDMI state machine clock
> +
> +      - items:
> +        - description: The HDMI state machine clock
>  
>    clock-names:
> -    items:
> -      - const: pixel
> +    oneOf:
> +      - items:
> +        - const: pixel
> +        - const: hdmi
> +
>        - const: hdmi
>  
>    ddc:
> @@ -51,15 +85,54 @@ properties:
>    dma-names:
>      const: audio-rx
>  
> +  resets:
> +    maxItems: 1
> +
>  required:
>    - compatible
>    - reg
> -  - interrupts
>    - clocks
>    - ddc
>  
>  additionalProperties: false
>  
> +if:
> +  properties:
> +    compatible:
> +      contains:
> +        enum:
> +          - brcm,bcm2711-hdmi0
> +          - brcm,bcm2711-hdmi1
> +
> +then:
> +  properties:
> +    reg:
> +      minItems: 9
> +
> +    clocks:
> +      maxItems: 1
> +
> +    clock-names:
> +      maxItems: 1
> +
> +  required:
> +    - reg-names
> +    - resets
> +
> +else:
> +  properties:
> +    reg:
> +      maxItems: 2
> +
> +    clocks:
> +      minItems: 2
> +
> +    clock-names:
> +      minItems: 2
> +
> +  required:
> +    - interrupts
> +
>  examples:
>    - |
>      #include <dt-bindings/clock/bcm2835.h>
> @@ -77,4 +150,31 @@ examples:
>          clock-names = "pixel", "hdmi";
>      };
>  
> +  - |
> +    hdmi0: hdmi@7ef00700 {
> +        compatible = "brcm,bcm2711-hdmi0";
> +        reg = <0x7ef00700 0x300>,
> +              <0x7ef00300 0x200>,
> +              <0x7ef00f00 0x80>,
> +              <0x7ef00f80 0x80>,
> +              <0x7ef01b00 0x200>,
> +              <0x7ef01f00 0x400>,
> +              <0x7ef00200 0x80>,
> +              <0x7ef04300 0x100>,
> +              <0x7ef20000 0x100>;
> +        reg-names = "hdmi",
> +                    "dvp",
> +                    "phy",
> +                    "rm",
> +                    "packet",
> +                    "metadata",
> +                    "csc",
> +                    "cec",
> +                    "hd";
> +        clocks = <&firmware_clocks 13>;
> +        clock-names = "hdmi";
> +        resets = <&dvp 0>;
> +        ddc = <&ddc0>;
> +    };
> +
>  ...
> -- 
> git-series 0.9.1
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml b/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml
index 52b3cdac0bdf..a9d24e1cf684 100644
--- a/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml
+++ b/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml
@@ -11,24 +11,58 @@  maintainers:
 
 properties:
   compatible:
-    const: brcm,bcm2835-hdmi
+    enum:
+      - brcm,bcm2835-hdmi
+      - brcm,bcm2711-hdmi0
+      - brcm,bcm2711-hdmi1
 
   reg:
+    oneOf:
+      - items:
+        - description: HDMI register range
+        - description: HD register range
+
+      - items:
+        - description: HDMI controller register range
+        - description: DVP register range
+        - description: HDMI PHY register range
+        - description: Rate Manager register range
+        - description: Packet RAM register range
+        - description: Metadata RAM register range
+        - description: CSC register range
+        - description: CEC register range
+        - description: HD register range
+
+  reg-names:
     items:
-      - description: HDMI register range
-      - description: HD register range
+      - const: hdmi
+      - const: dvp
+      - const: phy
+      - const: rm
+      - const: packet
+      - const: metadata
+      - const: csc
+      - const: cec
+      - const: hd
 
   interrupts:
     minItems: 2
 
   clocks:
-    items:
-      - description: The pixel clock
-      - description: The HDMI state machine clock
+    oneOf:
+      - items:
+        - description: The pixel clock
+        - description: The HDMI state machine clock
+
+      - items:
+        - description: The HDMI state machine clock
 
   clock-names:
-    items:
-      - const: pixel
+    oneOf:
+      - items:
+        - const: pixel
+        - const: hdmi
+
       - const: hdmi
 
   ddc:
@@ -51,15 +85,54 @@  properties:
   dma-names:
     const: audio-rx
 
+  resets:
+    maxItems: 1
+
 required:
   - compatible
   - reg
-  - interrupts
   - clocks
   - ddc
 
 additionalProperties: false
 
+if:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - brcm,bcm2711-hdmi0
+          - brcm,bcm2711-hdmi1
+
+then:
+  properties:
+    reg:
+      minItems: 9
+
+    clocks:
+      maxItems: 1
+
+    clock-names:
+      maxItems: 1
+
+  required:
+    - reg-names
+    - resets
+
+else:
+  properties:
+    reg:
+      maxItems: 2
+
+    clocks:
+      minItems: 2
+
+    clock-names:
+      minItems: 2
+
+  required:
+    - interrupts
+
 examples:
   - |
     #include <dt-bindings/clock/bcm2835.h>
@@ -77,4 +150,31 @@  examples:
         clock-names = "pixel", "hdmi";
     };
 
+  - |
+    hdmi0: hdmi@7ef00700 {
+        compatible = "brcm,bcm2711-hdmi0";
+        reg = <0x7ef00700 0x300>,
+              <0x7ef00300 0x200>,
+              <0x7ef00f00 0x80>,
+              <0x7ef00f80 0x80>,
+              <0x7ef01b00 0x200>,
+              <0x7ef01f00 0x400>,
+              <0x7ef00200 0x80>,
+              <0x7ef04300 0x100>,
+              <0x7ef20000 0x100>;
+        reg-names = "hdmi",
+                    "dvp",
+                    "phy",
+                    "rm",
+                    "packet",
+                    "metadata",
+                    "csc",
+                    "cec",
+                    "hd";
+        clocks = <&firmware_clocks 13>;
+        clock-names = "hdmi";
+        resets = <&dvp 0>;
+        ddc = <&ddc0>;
+    };
+
 ...