Documentation/devicetree/bindings/phy/rockchip-mipi-dphy-rx0.yaml

   1 # SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/phy/rockchip-mipi-dphy-rx0.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Rockchip SoC MIPI RX0 D-PHY Device Tree Bindings
   8
   9 maintainers:
  10   - Helen Koike <helen.koike@collabora.com>
  11   - Ezequiel Garcia <ezequiel@collabora.com>
  12
  13 description: |
  14   The Rockchip SoC has a MIPI D-PHY bus with an RX0 entry which connects to
  15   the ISP1 (Image Signal Processing unit v1.0) for CSI cameras.
  16
  17 properties:
  18   compatible:
  19     const: rockchip,rk3399-mipi-dphy-rx0
  20
  21   clocks:
  22     items:
  23       - description: MIPI D-PHY ref clock
  24       - description: MIPI D-PHY RX0 cfg clock
  25       - description: Video in/out general register file clock
  26
  27   clock-names:
  28     items:
  29       - const: dphy-ref
  30       - const: dphy-cfg
  31       - const: grf
  32
  33   '#phy-cells':
  34     const: 0
  35
  36   power-domains:
  37     description: Video in/out power domain.
  38     maxItems: 1
  39
  40 required:
  41   - compatible
  42   - clocks
  43   - clock-names
  44   - '#phy-cells'
  45   - power-domains
  46
  47 additionalProperties: false
  48
  49 examples:
  50   - |
  51
  52     /*
  53      * MIPI D-PHY RX0 use registers in "general register files", it
  54      * should be a child of the GRF.
  55      *
  56      * grf: syscon@ff770000 {
  57      *  compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd";
  58      *  ...
  59      * };
  60      */
  61
  62     #include <dt-bindings/clock/rk3399-cru.h>
  63     #include <dt-bindings/power/rk3399-power.h>
  64
  65     mipi_dphy_rx0: mipi-dphy-rx0 {
  66         compatible = "rockchip,rk3399-mipi-dphy-rx0";
  67         clocks = <&cru SCLK_MIPIDPHY_REF>,
  68                  <&cru SCLK_DPHY_RX0_CFG>,
  69                  <&cru PCLK_VIO_GRF>;
  70         clock-names = "dphy-ref", "dphy-cfg", "grf";
  71         power-domains = <&power RK3399_PD_VIO>;
  72         #phy-cells = <0>;
  73     };