Documentation/devicetree/bindings/i2c/brcm,brcmstb-i2c.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/i2c/brcm,brcmstb-i2c.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Broadcom STB BSC IIC Master Controller
   8
   9 maintainers:
  10   - Kamal Dasu <kdasu.kdev@gmail.com>
  11
  12 allOf:
  13   - $ref: /schemas/i2c/i2c-controller.yaml#
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - brcm,bcm2711-hdmi-i2c
  19       - brcm,brcmstb-i2c
  20       - brcm,brcmper-i2c
  21
  22   reg:
  23     minItems: 1
  24     maxItems: 2
  25     items:
  26       - description: BSC register range
  27       - description: Auto-I2C register range
  28
  29   reg-names:
  30     items:
  31       - const: bsc
  32       - const: auto-i2c
  33
  34   interrupts:
  35     maxItems: 1
  36
  37   interrupt-names:
  38     maxItems: 1
  39
  40   clock-frequency:
  41     enum:
  42       - 46875
  43       - 50000
  44       - 93750
  45       - 97500
  46       - 187500
  47       - 200000
  48       - 375000
  49       - 390000
  50
  51 required:
  52   - compatible
  53   - reg
  54   - clock-frequency
  55
  56 unevaluatedProperties: false
  57
  58 if:
  59   properties:
  60     compatible:
  61       contains:
  62         enum:
  63           - brcm,bcm2711-hdmi-i2c
  64
  65 then:
  66   properties:
  67     reg:
  68       minItems: 2
  69
  70   required:
  71     - reg-names
  72
  73 else:
  74   properties:
  75     reg:
  76       maxItems: 1
  77
  78 examples:
  79   - |
  80       bsca: i2c@f0406200 {
  81           clock-frequency = <390000>;
  82           compatible = "brcm,brcmstb-i2c";
  83           interrupt-parent = <&irq0_intc>;
  84           reg = <0xf0406200 0x58>;
  85           interrupts = <0x18>;
  86           interrupt-names = "upg_bsca";
  87       };
  88
  89   - |
  90       ddc0: i2c@7ef04500 {
  91           compatible = "brcm,bcm2711-hdmi-i2c";
  92           reg = <0x7ef04500 0x100>, <0x7ef00b00 0x300>;
  93           reg-names = "bsc", "auto-i2c";
  94           clock-frequency = <390000>;
  95       };
  96
  97 ...