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 at samsung.com>
Acked-by: Inki Dae <inki.dae at samsung.com>
Acked-by: Kyungmin Park <kyungmin.park at samsung.com>
---
.../devicetree/bindings/video/samsung-fimd.txt | 28 ++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/Documentation/devicetree/bindings/video/samsung-fimd.txt
b/Documentation/devicetree/bindings/video/samsung-fimd.txt
index 2dad41b..59ff61e 100644
--- a/Documentation/devicetree/bindings/video/samsung-fimd.txt
+++ b/Documentation/devicetree/bindings/video/samsung-fimd.txt
@@ -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:
--
1.9.0
