32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
Rockchip DRM master device
|
|
================================
|
|
|
|
The Rockchip DRM master device is a virtual device needed to list all
|
|
vop devices or other display interface nodes that comprise the
|
|
graphics subsystem.
|
|
|
|
Required properties:
|
|
- compatible: Should be "rockchip,display-subsystem"
|
|
- ports: Should contain a list of phandles pointing to display interface port
|
|
of vop devices. vop definitions as defined in
|
|
Documentation/devicetree/bindings/display/rockchip/rockchip-vop.txt
|
|
|
|
Optional properties
|
|
- secure-memory-region: phandle to a node describing secure memory
|
|
- clocks: include clock specifiers corresponding to entries in the
|
|
clock-names property.
|
|
- clock-names: optional include
|
|
hdmi-tmds-pll: special pll required by some hdmi-vop design,
|
|
if there is no hdmi plug, also can reuse for
|
|
common display pll.
|
|
default-vop-pll: common display pll.
|
|
|
|
example:
|
|
|
|
display-subsystem {
|
|
compatible = "rockchip,display-subsystem";
|
|
ports = <&vopl_out>, <&vopb_out>;
|
|
clocks = <&cru PLL_VPLL>, <&cru PLL_CPLL>;
|
|
clock-names = "hdmi-tmds-pll", "default-vop-pll";
|
|
};
|