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ARM: dts: samsung-fimd: add LCD I80 interface specific properties 

In case of using MIPI DSI based I80 interface panel,
the relevant registers should be set.
So this patch adds relevant DT bindings.

Signed-off-by: YoungJun Cho <yj44.cho@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
YoungJun Cho 2014-07-17 18:01:18 +09:00 committed by Inki Dae
parent e35d7223de
commit 8e1c06cf65
1 changed files with 28 additions and 0 deletions
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28
Documentation/devicetree/bindings/video/samsung-fimd.txt
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@ -44,6 +44,34 @@ Optional Properties:
- display-timings: timing settings for FIMD, as described in document [1].
Can be used in case timings cannot be provided otherwise
or to override timings provided by the panel.
- samsung,sysreg: handle to syscon used to control the system registers
- i80-if-timings: timing configuration for lcd i80 interface support.
- cs-setup: clock cycles for the active period of address signal is enabled
until chip select is enabled.
If not specified, the default value(0) will be used.
- wr-setup: clock cycles for the active period of CS signal is enabled until
write signal is enabled.
If not specified, the default value(0) will be used.
- wr-active: clock cycles for the active period of CS is enabled.
If not specified, the default value(1) will be used.
- wr-hold: clock cycles for the active period of CS is disabled until write
signal is disabled.
If not specified, the default value(0) will be used.
The parameters are defined as:
VCLK(internal) __|??????|_____|??????|_____|??????|_____|??????|_____|??
: : : : :
Address Output --:<XXXXXXXXXXX:XXXXXXXXXXXX:XXXXXXXXXXXX:XXXXXXXXXXXX:XX
| cs-setup+1 | : : :
|<---------->| : : :
Chip Select ???????????????|____________:____________:____________|??
| wr-setup+1 | | wr-hold+1 |
|<---------->| |<---------->|
Write Enable ????????????????????????????|____________|???????????????
| wr-active+1|
|<---------->|
Video Data ----------------------------<XXXXXXXXXXXXXXXXXXXXXXXXX>--
The device node can contain 'port' child nodes according to the bindings defined
in [2]. The following are properties specific to those nodes: