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dm: panel: Add a panel uclass

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LCD panels can usefully be modelled as their own uclass. They can be probed
(which powers them up ready for use). If they have a backlight, this can be
enabled.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2016-01-21 19:44:58 -07:00
parent 65fba5927c
commit f563dc1d19
4 changed files with 58 additions and 0 deletions
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include/dm/uclass-id.h
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@@ -45,6 +45,7 @@ enum uclass_id {
UCLASS_MMC, /* SD / MMC card or chip */
UCLASS_MOD_EXP, /* RSA Mod Exp device */
UCLASS_MTD, /* Memory Technology Device (MTD) device */
UCLASS_PANEL, /* Display panel, such as an LCD */
UCLASS_PANEL_BACKLIGHT, /* Backlight controller for panel */
UCLASS_PCH, /* x86 platform controller hub */
UCLASS_PCI, /* PCI bus */