91 lines
2.7 KiB
Plaintext
91 lines
2.7 KiB
Plaintext
|
Exynos MIPI DSI Master
|
||
|
|
|
||
|
|
Required properties:
|
||
|
|
- compatible: value should be one of the following
|
||
|
|
"samsung,exynos3250-mipi-dsi" /* for Exynos3250/3472 SoCs */
|
||
|
|
"samsung,exynos4210-mipi-dsi" /* for Exynos4 SoCs */
|
||
|
|
"samsung,exynos5410-mipi-dsi" /* for Exynos5410/5420/5440 SoCs */
|
||
|
|
"samsung,exynos5422-mipi-dsi" /* for Exynos5422/5800 SoCs */
|
||
|
|
"samsung,exynos5433-mipi-dsi" /* for Exynos5433 SoCs */
|
||
|
|
- reg: physical base address and length of the registers set for the device
|
||
|
|
- interrupts: should contain DSI interrupt
|
||
|
|
- clocks: list of clock specifiers, must contain an entry for each required
|
||
|
|
entry in clock-names
|
||
|
|
- clock-names: should include "bus_clk"and "sclk_mipi" entries
|
||
|
|
the use of "pll_clk" is deprecated
|
||
|
|
- phys: list of phy specifiers, must contain an entry for each required
|
||
|
|
entry in phy-names
|
||
|
|
- phy-names: should include "dsim" entry
|
||
|
|
- vddcore-supply: MIPI DSIM Core voltage supply (e.g. 1.1V)
|
||
|
|
- vddio-supply: MIPI DSIM I/O and PLL voltage supply (e.g. 1.8V)
|
||
|
|
- samsung,pll-clock-frequency: specifies frequency of the oscillator clock
|
||
|
|
- #address-cells, #size-cells: should be set respectively to <1> and <0>
|
||
|
|
according to DSI host bindings (see MIPI DSI bindings [1])
|
||
|
|
- samsung,burst-clock-frequency: specifies DSI frequency in high-speed burst
|
||
|
|
mode
|
||
|
|
- samsung,esc-clock-frequency: specifies DSI frequency in escape mode
|
||
|
|
|
||
|
|
Optional properties:
|
||
|
|
- power-domains: a phandle to DSIM power domain node
|
||
|
|
|
||
|
|
Child nodes:
|
||
|
|
Should contain DSI peripheral nodes (see MIPI DSI bindings [1]).
|
||
|
|
|
||
|
|
Video interfaces:
|
||
|
|
Device node can contain following video interface port nodes according to [2]:
|
||
|
|
0: RGB input,
|
||
|
|
1: DSI output
|
||
|
|
|
||
|
|
[1]: Documentation/devicetree/bindings/display/mipi-dsi-bus.txt
|
||
|
|
[2]: Documentation/devicetree/bindings/media/video-interfaces.txt
|
||
|
|
|
||
|
|
Example:
|
||
|
|
|
||
|
|
dsi@11c80000 {
|
||
|
|
compatible = "samsung,exynos4210-mipi-dsi";
|
||
|
|
reg = <0x11C80000 0x10000>;
|
||
|
|
interrupts = <0 79 0>;
|
||
|
|
clocks = <&clock 286>, <&clock 143>;
|
||
|
|
clock-names = "bus_clk", "sclk_mipi";
|
||
|
|
phys = <&mipi_phy 1>;
|
||
|
|
phy-names = "dsim";
|
||
|
|
vddcore-supply = <&vusb_reg>;
|
||
|
|
vddio-supply = <&vmipi_reg>;
|
||
|
|
power-domains = <&pd_lcd0>;
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <0>;
|
||
|
|
samsung,pll-clock-frequency = <24000000>;
|
||
|
|
|
||
|
|
panel@1 {
|
||
|
|
reg = <0>;
|
||
|
|
...
|
||
|
|
port {
|
||
|
|
panel_ep: endpoint {
|
||
|
|
remote-endpoint = <&dsi_ep>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
ports {
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <0>;
|
||
|
|
|
||
|
|
port@0 {
|
||
|
|
reg = <0>;
|
||
|
|
decon_to_mic: endpoint {
|
||
|
|
remote-endpoint = <&mic_to_decon>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
port@1 {
|
||
|
|
reg = <1>;
|
||
|
|
dsi_ep: endpoint {
|
||
|
|
reg = <0>;
|
||
|
|
samsung,burst-clock-frequency = <500000000>;
|
||
|
|
samsung,esc-clock-frequency = <20000000>;
|
||
|
|
remote-endpoint = <&panel_ep>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|