Merge "dt-bindings: snapshot of rotator documentation"

- qcom,sde-secure-sid-mask:	Array of secure SID masks used during

				secure-camera/secure-display usecases.

- #power-domain-cells:		Number of cells in a power-domain specifier and should contain 0.

- #list-cells:			Number of mdp cells, must be 1.

- qcom,sde-mixer-display-pref:  A string array indicating the preferred display type

				for the mixer block. Possible values:

				"primary" - preferred for primary display

- qcom,rot-reg-bus:		Property to provide Bus scaling for register

				access for rotator blocks.

- power-domains:		A phandle to respective power domain node.

- qcom,mdss-rot-parent:		A 2 cell property, with format of (mdp phandle,

				instance id), of mdp device.

- qcom,mdss-rot-xin-id:		An integer array of xin-ids when nrt path for rotation

				is not available.

Subnode properties:

- compatible:		Compatible name used in smmu v2.