75 lines
1.8 KiB
Plaintext
75 lines
1.8 KiB
Plaintext
Texas Instruments DRA7x Display Subsystem
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=========================================
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See Documentation/devicetree/bindings/display/ti/ti,omap-dss.txt for generic
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description about OMAP Display Subsystem bindings.
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DSS Core
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--------
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Required properties:
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- compatible: "ti,dra7-dss"
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- reg: address and length of the register spaces for 'dss'
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- ti,hwmods: "dss_core"
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- clocks: handle to fclk
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- clock-names: "fck"
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- syscon: phandle to control module core syscon node
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Optional properties:
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Some DRA7xx SoCs have one dedicated video PLL, some have two. These properties
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can be used to describe the video PLLs:
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- reg: address and length of the register spaces for 'pll1_clkctrl',
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'pll1', 'pll2_clkctrl', 'pll2'
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- clocks: handle to video1 pll clock and video2 pll clock
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- clock-names: "video1_clk" and "video2_clk"
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Required nodes:
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- DISPC
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Optional nodes:
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- DSS Submodules: HDMI
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- Video port for DPI output
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DPI Endpoint required properties:
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- data-lines: number of lines used
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DISPC
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-----
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Required properties:
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- compatible: "ti,dra7-dispc"
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- reg: address and length of the register space
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- ti,hwmods: "dss_dispc"
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- interrupts: the DISPC interrupt
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- clocks: handle to fclk
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- clock-names: "fck"
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Optional properties:
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- max-memory-bandwidth: Input memory (from main memory to dispc) bandwidth limit
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in bytes per second
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HDMI
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----
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Required properties:
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- compatible: "ti,dra7-hdmi"
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- reg: addresses and lengths of the register spaces for 'wp', 'pll', 'phy',
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'core'
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- reg-names: "wp", "pll", "phy", "core"
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- interrupts: the HDMI interrupt line
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- ti,hwmods: "dss_hdmi"
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- vdda-supply: vdda power supply
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- clocks: handles to fclk and pll clock
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- clock-names: "fck", "sys_clk"
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Optional nodes:
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- Video port for HDMI output
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HDMI Endpoint optional properties:
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- lanes: list of 8 pin numbers for the HDMI lanes: CLK+, CLK-, D0+, D0-,
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D1+, D1-, D2+, D2-. (default: 0,1,2,3,4,5,6,7)
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