The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/display/exynos/exynos_dsim.txt

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    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         };

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