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| author |   YoungJun Cho <yj44.cho@samsung.com> | 2014-07-17 18:01:18 +0900 |
|---|---|---|
| committer |   Inki Dae <daeinki@gmail.com> | 2014-08-03 16:52:14 +0900 |
| commit | 8e1c06cf65819d9e0fff061324f9f7edff83583e (patch) | |
| tree | 359906c027d3b37196a88fe7927c3c339fcf5fd9 /Documentation/devicetree/bindings/video | |
| parent | drm/exynos: use wait_event_timeout() for safety usage (diff) | |
| download | linux-dev-8e1c06cf65819d9e0fff061324f9f7edff83583e.tar.xz linux-dev-8e1c06cf65819d9e0fff061324f9f7edff83583e.zip | |
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>
Diffstat (limited to 'Documentation/devicetree/bindings/video')
| -rw-r--r-- | Documentation/devicetree/bindings/video/samsung-fimd.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/video/samsung-fimd.txt b/Documentation/devicetree/bindings/video/samsung-fimd.txt index 2dad41b689af..8428fcff8037 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: |