Merge tag 'cleanup-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...

[cascardo/linux.git] / Documentation / devicetree / bindings / video / samsung-fimd.txt

diff --git a/Documentation/devicetree/bindings/video/samsung-fimd.txt b/Documentation/devicetree/bindings/video/samsung-fimd.txt
index 7794260..ecc899b 100644 (file)
--- a/Documentation/devicetree/bindings/video/samsung-fimd.txt
+++ b/Documentation/devicetree/bindings/video/samsung-fimd.txt
@@ -42,6 +42,34 @@ 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: