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     items:
  25       - description: BSC register range
  26       - description: Auto-I2C register range
  27
  28   reg-names:
  29     items:
  30       - const: bsc
  31       - const: auto-i2c
  32
  33   interrupts:
  34     maxItems: 1
  35
  36   interrupt-names:
  37     maxItems: 1
  38
  39   clock-frequency:
  40     enum:
  41       - 46875
  42       - 50000
  43       - 93750
  44       - 97500
  45       - 187500
  46       - 200000
  47       - 375000
  48       - 390000
  49
  50 required:
  51   - compatible
  52   - reg
  53   - clock-frequency
  54
  55 unevaluatedProperties: false
  56
  57 if:
  58   properties:
  59     compatible:
  60       contains:
  61         enum:
  62           - brcm,bcm2711-hdmi-i2c
  63
  64 then:
  65   properties:
  66     reg:
  67       minItems: 2
  68
  69   required:
  70     - reg-names
  71
  72 else:
  73   properties:
  74     reg:
  75       maxItems: 1
  76
  77 examples:
  78   - |
  79       bsca: i2c@f0406200 {
  80           clock-frequency = <390000>;
  81           compatible = "brcm,brcmstb-i2c";
  82           interrupt-parent = <&irq0_intc>;
  83           reg = <0xf0406200 0x58>;
  84           interrupts = <0x18>;
  85           interrupt-names = "upg_bsca";
  86       };
  87
  88   - |
  89       ddc0: i2c@7ef04500 {
  90           compatible = "brcm,bcm2711-hdmi-i2c";
  91           reg = <0x7ef04500 0x100>, <0x7ef00b00 0x300>;
  92           reg-names = "bsc", "auto-i2c";
  93           clock-frequency = <390000>;
  94       };
  95
  96 ...