git.openwrt.org Git - openwrt/staging/981213.git/blob

   1 From 965351ba5a271c0a4a7776193b7af78871370f7a Mon Sep 17 00:00:00 2001
   2 From: Maxime Ripard <maxime@cerno.tech>
   3 Date: Thu, 13 Feb 2020 16:45:24 +0100
   4 Subject: [PATCH] dt-bindings: display: vc4: hdmi: Add BCM2711 HDMI
   5  controllers bindings
   6
   7 The HDMI controllers found in the BCM2711 SoC need some adjustments to the
   8 bindings, especially since the registers have been shuffled around in more
   9 register ranges.
  10
  11 Cc: Rob Herring <robh+dt@kernel.org>
  12 Cc: devicetree@vger.kernel.org
  13 Signed-off-by: Maxime Ripard <maxime@cerno.tech>
  14 ---
  15  .../bindings/display/brcm,bcm2835-hdmi.yaml   | 118 ++++++++++++++++--
  16  1 file changed, 109 insertions(+), 9 deletions(-)
  17
  18 --- a/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml
  19 +++ b/Documentation/devicetree/bindings/display/brcm,bcm2835-hdmi.yaml
  20 @@ -11,24 +11,58 @@ maintainers:
  21
  22  properties:
  23    compatible:
  24 -    const: brcm,bcm2835-hdmi
  25 +    enum:
  26 +      - brcm,bcm2835-hdmi
  27 +      - brcm,bcm2711-hdmi0
  28 +      - brcm,bcm2711-hdmi1
  29
  30    reg:
  31 +    oneOf:
  32 +      - items:
  33 +        - description: HDMI register range
  34 +        - description: HD register range
  35 +
  36 +      - items:
  37 +        - description: HDMI controller register range
  38 +        - description: DVP register range
  39 +        - description: HDMI PHY register range
  40 +        - description: Rate Manager register range
  41 +        - description: Packet RAM register range
  42 +        - description: Metadata RAM register range
  43 +        - description: CSC register range
  44 +        - description: CEC register range
  45 +        - description: HD register range
  46 +
  47 +  reg-names:
  48      items:
  49 -      - description: HDMI register range
  50 -      - description: HD register range
  51 +      - const: hdmi
  52 +      - const: dvp
  53 +      - const: phy
  54 +      - const: rm
  55 +      - const: packet
  56 +      - const: metadata
  57 +      - const: csc
  58 +      - const: cec
  59 +      - const: hd
  60
  61    interrupts:
  62      minItems: 2
  63
  64    clocks:
  65 -    items:
  66 -      - description: The pixel clock
  67 -      - description: The HDMI state machine clock
  68 +    oneOf:
  69 +      - items:
  70 +        - description: The pixel clock
  71 +        - description: The HDMI state machine clock
  72 +
  73 +      - items:
  74 +        - description: The HDMI state machine clock
  75
  76    clock-names:
  77 -    items:
  78 -      - const: pixel
  79 +    oneOf:
  80 +      - items:
  81 +        - const: pixel
  82 +        - const: hdmi
  83 +
  84        - const: hdmi
  85
  86    ddc:
  87 @@ -51,15 +85,54 @@ properties:
  88    dma-names:
  89      const: audio-rx
  90
  91 +  resets:
  92 +    maxItems: 1
  93 +
  94  required:
  95    - compatible
  96    - reg
  97 -  - interrupts
  98    - clocks
  99    - ddc
 100
 101  additionalProperties: false
 102
 103 +if:
 104 +  properties:
 105 +    compatible:
 106 +      contains:
 107 +        enum:
 108 +          - brcm,bcm2711-hdmi0
 109 +          - brcm,bcm2711-hdmi1
 110 +
 111 +then:
 112 +  properties:
 113 +    reg:
 114 +      minItems: 9
 115 +
 116 +    clocks:
 117 +      maxItems: 1
 118 +
 119 +    clock-names:
 120 +      maxItems: 1
 121 +
 122 +  required:
 123 +    - reg-names
 124 +    - resets
 125 +
 126 +else:
 127 +  properties:
 128 +    reg:
 129 +      maxItems: 2
 130 +
 131 +    clocks:
 132 +      minItems: 2
 133 +
 134 +    clock-names:
 135 +      minItems: 2
 136 +
 137 +  required:
 138 +    - interrupts
 139 +
 140  examples:
 141    - |
 142      #include <dt-bindings/clock/bcm2835.h>
 143 @@ -77,4 +150,31 @@ examples:
 144          clock-names = "pixel", "hdmi";
 145      };
 146
 147 +  - |
 148 +    hdmi0: hdmi@7ef00700 {
 149 +        compatible = "brcm,bcm2711-hdmi0";
 150 +        reg = <0x7ef00700 0x300>,
 151 +              <0x7ef00300 0x200>,
 152 +              <0x7ef00f00 0x80>,
 153 +              <0x7ef00f80 0x80>,
 154 +              <0x7ef01b00 0x200>,
 155 +              <0x7ef01f00 0x400>,
 156 +              <0x7ef00200 0x80>,
 157 +              <0x7ef04300 0x100>,
 158 +              <0x7ef20000 0x100>;
 159 +        reg-names = "hdmi",
 160 +                    "dvp",
 161 +                    "phy",
 162 +                    "rm",
 163 +                    "packet",
 164 +                    "metadata",
 165 +                    "csc",
 166 +                    "cec",
 167 +                    "hd";
 168 +        clocks = <&firmware_clocks 13>;
 169 +        clock-names = "hdmi";
 170 +        resets = <&dvp 0>;
 171 +        ddc = <&ddc0>;
 172 +    };
 173 +
 174  ...