123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103 |
- 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,exynos4415-mipi-dsi" /* for Exynos4415 SoC */
- "samsung,exynos5410-mipi-dsi" /* for Exynos5410/5420/5440 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])
- 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 video interface port nodes according to [2].
- The following are properties specific to those nodes:
- port node inbound:
- - reg: (required) must be 0.
- port node outbound:
- - reg: (required) must be 1.
- endpoint node connected from mic node (reg = 0):
- - remote-endpoint: specifies the endpoint in mic node. This node is required
- for Exynos5433 mipi dsi. So mic can access to panel node
- thoughout this dsi node.
- endpoint node connected to panel node (reg = 1):
- - remote-endpoint: specifies the endpoint in panel node. This node is
- required in all kinds of exynos mipi dsi to represent
- the connection between mipi dsi and panel.
- - samsung,burst-clock-frequency: specifies DSI frequency in high-speed burst
- mode
- - samsung,esc-clock-frequency: specifies DSI frequency in escape mode
- [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>;
- };
- };
- };
- };
|