Commit 8e1c06cf authored by YoungJun Cho's avatar YoungJun Cho Committed by Inki Dae
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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: default avatarYoungJun Cho <yj44.cho@samsung.com>
Acked-by: default avatarInki Dae <inki.dae@samsung.com>
Acked-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent e35d7223

Documentation/devicetree/bindings/video/samsung-fimd.txt

+28 −0
Original line number Diff line number Diff line
@@ -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:

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