Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt

   1 Exynos MIPI DSI Master
   2
   3 Required properties:
   4   - compatible: value should be one of the following
   5                 "samsung,exynos3250-mipi-dsi" /* for Exynos3250/3472 SoCs */
   6                 "samsung,exynos4210-mipi-dsi" /* for Exynos4 SoCs */
   7                 "samsung,exynos5410-mipi-dsi" /* for Exynos5410/5420/5440 SoCs */
   8                 "samsung,exynos5422-mipi-dsi" /* for Exynos5422/5800 SoCs */
   9                 "samsung,exynos5433-mipi-dsi" /* for Exynos5433 SoCs */
  10   - reg: physical base address and length of the registers set for the device
  11   - interrupts: should contain DSI interrupt
  12   - clocks: list of clock specifiers, must contain an entry for each required
  13     entry in clock-names
  14   - clock-names: should include "bus_clk"and "sclk_mipi" entries
  15                  the use of "pll_clk" is deprecated
  16   - phys: list of phy specifiers, must contain an entry for each required
  17     entry in phy-names
  18   - phy-names: should include "dsim" entry
  19   - vddcore-supply: MIPI DSIM Core voltage supply (e.g. 1.1V)
  20   - vddio-supply: MIPI DSIM I/O and PLL voltage supply (e.g. 1.8V)
  21   - samsung,pll-clock-frequency: specifies frequency of the oscillator clock
  22   - #address-cells, #size-cells: should be set respectively to <1> and <0>
  23     according to DSI host bindings (see MIPI DSI bindings [1])
  24   - samsung,burst-clock-frequency: specifies DSI frequency in high-speed burst
  25     mode
  26   - samsung,esc-clock-frequency: specifies DSI frequency in escape mode
  27
  28 Optional properties:
  29   - power-domains: a phandle to DSIM power domain node
  30
  31 Child nodes:
  32   Should contain DSI peripheral nodes (see MIPI DSI bindings [1]).
  33
  34 Video interfaces:
  35   Device node can contain following video interface port nodes according to [2]:
  36   0: RGB input,
  37   1: DSI output
  38
  39 [1]: Documentation/devicetree/bindings/display/mipi-dsi-bus.txt
  40 [2]: Documentation/devicetree/bindings/media/video-interfaces.txt
  41
  42 Example:
  43
  44         dsi@11c80000 {
  45                 compatible = "samsung,exynos4210-mipi-dsi";
  46                 reg = <0x11C80000 0x10000>;
  47                 interrupts = <0 79 0>;
  48                 clocks = <&clock 286>, <&clock 143>;
  49                 clock-names = "bus_clk", "sclk_mipi";
  50                 phys = <&mipi_phy 1>;
  51                 phy-names = "dsim";
  52                 vddcore-supply = <&vusb_reg>;
  53                 vddio-supply = <&vmipi_reg>;
  54                 power-domains = <&pd_lcd0>;
  55                 #address-cells = <1>;
  56                 #size-cells = <0>;
  57                 samsung,pll-clock-frequency = <24000000>;
  58
  59                 panel@1 {
  60                         reg = <0>;
  61                         ...
  62                         port {
  63                                 panel_ep: endpoint {
  64                                         remote-endpoint = <&dsi_ep>;
  65                                 };
  66                         };
  67                 };
  68
  69                 ports {
  70                         #address-cells = <1>;
  71                         #size-cells = <0>;
  72
  73                         port@0 {
  74                                 reg = <0>;
  75                                 decon_to_mic: endpoint {
  76                                         remote-endpoint = <&mic_to_decon>;
  77                                 };
  78                         };
  79
  80                         port@1 {
  81                                 reg = <1>;
  82                                 dsi_ep: endpoint {
  83                                         reg = <0>;
  84                                         samsung,burst-clock-frequency = <500000000>;
  85                                         samsung,esc-clock-frequency = <20000000>;
  86                                         remote-endpoint = <&panel_ep>;
  87                                 };
  88                         };
  89                 };
  90         };