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powerpc/fsl-diu-fb: Support setting display mode using EDID

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Adds support for encoding display mode information
in the device tree using verbatim EDID block.

If the EDID entry in the DIU node is present, the
driver will build mode database using EDID data
and allow setting the display modes from this database.
Otherwise display mode will be set using mode
entries from driver's internal database as usual.

This patch also updates device tree bindings.

Signed-off-by: Anatolij Gustschin <agust@denx.de>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Anatolij Gustschin 2010-07-23 04:00:39 +00:00 • committed by Grant Likely
parent a027b33348
commit 8b856f040c
3 changed files with 81 additions and 6 deletions
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6
Documentation/powerpc/dts-bindings/fsl/diu.txt
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@ -11,6 +11,11 @@ Required properties:
- interrupt-parent : the phandle for the interrupt controller that
services interrupts for this device.
Optional properties:
- edid : verbatim EDID data block describing attached display.
Data from the detailed timing descriptor will be used to
program the display controller.
Example (MPC8610HPCD):
display@2c000 {
compatible = "fsl,diu";
@ -25,4 +30,5 @@ Example for MPC5121:
reg = <0x2100 0x100>;
interrupts = <64 0x8>;
interrupt-parent = <&ipic>;
edid = [edid-data];
};