xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/video/rockchip_hdmi.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunDevice-Tree bindings for rockchip hdmi driver
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun- compatible: value should be following:
5*4882a593Smuzhiyun	"rockchip,rk3036-hdmi",
6*4882a593Smuzhiyun	"rockchip,rk3066-hdmi",
7*4882a593Smuzhiyun	"rockchip,rk312x-hdmi",
8*4882a593Smuzhiyun	"rockchip,rk3288-hdmi",
9*4882a593Smuzhiyun	"rockchip,rk3368-hdmi",
10*4882a593Smuzhiyun	"rockchip,rk3399-hdmi",
11*4882a593Smuzhiyun- reg: physical base address of the hdmi and length of memory mapped
12*4882a593Smuzhiyun        region.
13*4882a593Smuzhiyun- interrupts: interrupt number to the cpu.
14*4882a593Smuzhiyun- pinctrl-names: must contain a "default" entry.
15*4882a593Smuzhiyun- pinctrl-0: pin control group to be used for this controller.
16*4882a593Smuzhiyun- pinctrl-1: pin control group to be used for gpio.
17*4882a593Smuzhiyun- clocks: must include clock specifiers corresponding to entries in the
18*4882a593Smuzhiyun        clock-names property.
19*4882a593Smuzhiyun- clocks-names: list of clock names sorted in the same order as the clocks
20*4882a593Smuzhiyun               property. Must contain "pclk_hdmi" and "hdcp_clk_hdmi".
21*4882a593Smuzhiyun- rockchip,hdmi_audio_source: hdmi audio source that is described as follow
22*4882a593Smuzhiyun	<0>: hdmi audio source from the I2S interface
23*4882a593Smuzhiyun	<1>: hdmi audio source from the SPDIF interface
24*4882a593Smuzhiyun- rockchip,hdmi_video_source: hdmi video source that is described as follow
25*4882a593Smuzhiyun	<DISPLAY_SOURCE_LCDC0> hdmi video source from LCDC0/VOP0
26*4882a593Smuzhiyun	<DISPLAY_SOURCE_LCDC1> hdmi video source from LCDC1/VOP1
27*4882a593Smuzhiyun- rockchip,hdcp_enable: hdmi hdcp function is described as follow
28*4882a593Smuzhiyun	<0>: hdcp function is disabled.
29*4882a593Smuzhiyun	<1>: hdcp function is enabled.
30*4882a593Smuzhiyun- rockchip,cec_enable: hdmi cec function is described as follow
31*4882a593Smuzhiyun	<0>: cec function is disabled.
32*4882a593Smuzhiyun	<1>: cec function is enabled.
33*4882a593Smuzhiyun- rockchip,defaultmode: hdmi default output video mode.
34*4882a593SmuzhiyunExample:
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun	hdmi: hdmi@ff980000 {
37*4882a593Smuzhiyun                compatible = "rockchip,rk3288-hdmi";
38*4882a593Smuzhiyun                reg = <0xff980000 0x20000>;
39*4882a593Smuzhiyun                interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
40*4882a593Smuzhiyun                pinctrl-names = "default", "gpio";
41*4882a593Smuzhiyun                pinctrl-0 = <&i2c5_sda &i2c5_scl>;
42*4882a593Smuzhiyun                pinctrl-1 = <&i2c5_gpio>;
43*4882a593Smuzhiyun                clocks = <&clk_gates16 9>, <&clk_gates5 12>;
44*4882a593Smuzhiyun                clock-names = "pclk_hdmi", "hdcp_clk_hdmi";
45*4882a593Smuzhiyun		rockchip,hdmi_video_source = <DISPLAY_SOURCE_LCDC0>;
46*4882a593Smuzhiyun		rockchip,hdmi_audio_source = <0>;
47*4882a593Smuzhiyun		rockchip,hdcp_enable = <0>;
48*4882a593Smuzhiyun		rockchip,cec_enable = <0>;
49*4882a593Smuzhiyun        };
50*4882a593Smuzhiyun
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