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powerpc: Add a vga alias node for P1022 

In u-boot, when set the video as console, the name 'vga' is used
as a general name for the video device, during the fdt_fixup_stdout
process, the 'vga' name is used to search in the dtb to setup the
'linux,stdout-path' node. Though the P1022 DIU is not VGA-compatible
device, to meet the 'vga' name used in u-boot, the vga alias node is
added for P1022 in this patch. At the same time, a display alias is
also added so that no other components grow dependencies on the vga
alias node.

Signed-off-by: Jason Jin <Jason.Jin@freescale.com>
Signed-off-by: Wang Dongsheng <dongsheng.wang@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Jason Jin 2015-08-17 15:50:57 +08:00 committed by Scott Wood
parent c60232029a
commit e8c4b3dfe1
2 changed files with 3 additions and 1 deletions
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2
arch/powerpc/boot/dts/fsl/p1022si-post.dtsi
View File

@ -175,7 +175,7 @@ dma01: dma-channel@80 {
/include/ "pq3-gpio-0.dtsi"
display@10000 {
display: display@10000 {
compatible = "fsl,diu", "fsl,p1022-diu";
reg = <0x10000 1000>;
interrupts = <64 2 0 0>;

2
arch/powerpc/boot/dts/fsl/p1022si-pre.dtsi
View File

@ -50,6 +50,8 @@ aliases {
pci0 = &pci0;
pci1 = &pci1;
pci2 = &pci2;
vga = &display;
display = &display;
};
cpus {