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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   reg:
22     maxItems: 1
23
24   clocks:
25     items:
26       - description: MIPI D-PHY ref clock
27       - description: MIPI D-PHY RX0 cfg clock
28       - description: Video in/out general register file clock
29
30   clock-names:
31     items:
32       - const: dphy-ref
33       - const: dphy-cfg
34       - const: grf
35
36   '#phy-cells':
37     const: 0
38
39   power-domains:
40     description: Video in/out power domain.
41     maxItems: 1
42
43 required:
44   - compatible
45   - clocks
46   - clock-names
47   - '#phy-cells'
48   - power-domains
49
50 additionalProperties: false
51
52 examples:
53   - |
54
55     /*
56      * MIPI D-PHY RX0 use registers in "general register files", it
57      * should be a child of the GRF.
58      *
59      * grf: syscon@ff770000 {
60      *  compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd";
61      *  ...
62      * };
63      */
64
65     #include <dt-bindings/clock/rk3399-cru.h>
66     #include <dt-bindings/power/rk3399-power.h>
67
68     mipi_dphy_rx0: mipi-dphy-rx0 {
69         compatible = "rockchip,rk3399-mipi-dphy-rx0";
70         clocks = <&cru SCLK_MIPIDPHY_REF>,
71                  <&cru SCLK_DPHY_RX0_CFG>,
72                  <&cru PCLK_VIO_GRF>;
73         clock-names = "dphy-ref", "dphy-cfg", "grf";
74         power-domains = <&power RK3399_PD_VIO>;
75         #phy-cells = <0>;
76     };