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Thu, 17 Jul 2014 18:01:32 +0900 (KST) From: YoungJun Cho To: airlied@linux.ie, dri-devel@lists.freedesktop.org Cc: devicetree@vger.kernel.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, linux-samsung-soc@vger.kernel.org, thierry.reding@gmail.com, kyungmin.park@samsung.com, inki.dae@samsung.com, kgene.kim@samsung.com, jy0922.shim@samsung.com, sw0312.kim@samsung.com, a.hajda@samsung.com Subject: [PATCH v6 03/14] ARM: dts: samsung-fimd: add LCD I80 interface specific properties Date: Thu, 17 Jul 2014 18:01:18 +0900 Message-id: <1405587689-1466-4-git-send-email-yj44.cho@samsung.com> X-Mailer: git-send-email 1.9.0 In-reply-to: <1405587689-1466-1-git-send-email-yj44.cho@samsung.com> References: <1405587689-1466-1-git-send-email-yj44.cho@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrLIsWRmVeSWpSXmKPExsVy+t8zXd03E44HG5z/bm5xa905VovecyeZ LOYfAbKufH3PZtH/ZiGrxblXKxktJt2fwGLx4t5FFoveBVfZLM42vWG3mHF+H5PF0usXmSwm TF/LYtG69whQbPJLNoufu+axOAh4rJm3htHjcl8vk8fOWXfZPVYu/8LmsWlVJ5vH9m8PWD3u dx9n8ujbsorR4/MmuQDOKC6blNSczLLUIn27BK6Mztk72Qo2iFe0v1rE1MB4QaCLkZNDQsBE Yv3r6ewQtpjEhXvr2boYuTiEBJYxSiyacYsRpqh3SScLRGIRo8Tz5tvMIAleAUGJH5PvASU4 OJgF5CWOXMoGCTMLqEtMmreIGaK+lUmive8JC0iCTUBT4vnHHawgtoiAqUTHpKVgQ5kFnjBJ nNq8H6xIWCBWomPVMSaQoSwCqhIf/tdA7HKWWPn1G9SlchJTfi9gBynhFHCRONOQAxIWAirp 2b2GCWSkhMBaDomlK64zgSRYBAQkvk0+BHanhICsxKYDzBBjJCUOrrjBMoFRbBaSb2YhfDML yTcLGJlXMYqmFiQXFCelFxnpFSfmFpfmpesl5+duYoREfd8OxpsHrA8xJgNtnMgsJZqcD0wa eSXxhsZmRhamJqbGRuaWZqQJK4nzLnqYFCQkkJ5YkpqdmlqQWhRfVJqTWnyIkYmDU6qBUSoo WU3A02LKhMu3WOsTjly2SJBkui5R/+rLA43l9meUF76f97rzgq3I76vx3jrBHXr2iaFLTlzc W6/6Mchuk4+m2v5/Sg1tV0J53uW8CUz7XVrP5PHIMerMtT3Ldy01rmd9Wrt+v9cOgz0sB9ne 82j9XTaXd97JyqY9sls3q2Ucvr1gJZexhhJLcUaioRZzUXEiAPIwsKUQAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrDKsWRmVeSWpSXmKPExsVy+t9jAd03E44HG8w/YGRxa905VovecyeZ LOYfAbKufH3PZtH/ZiGrxblXKxktJt2fwGLx4t5FFoveBVfZLM42vWG3mHF+H5PF0usXmSwm TF/LYtG69whQbPJLNoufu+axOAh4rJm3htHjcl8vk8fOWXfZPVYu/8LmsWlVJ5vH9m8PWD3u dx9n8ujbsorR4/MmuQDOqAZGm4zUxJTUIoXUvOT8lMy8dFsl7+B453hTMwNDXUNLC3MlhbzE 3FRbJRefAF23zBygR5QUyhJzSoFCAYnFxUr6dpgmhIa46VrANEbo+oYEwfUYGaCBhHWMGZ2z d7IVbBCvaH+1iKmB8YJAFyMnh4SAiUTvkk4WCFtM4sK99WxdjFwcQgKLGCWeN99mBknwCghK /Jh8D6iIg4NZQF7iyKVskDCzgLrEpHmLmCHqW5kk2vuegA1iE9CUeP5xByuILSJgKtExaSkL SBGzwBMmiVOb94MVCQvESnSsOsYEMpRFQFXiw/8aiF3OEiu/fmOHOEhOYsrvBewgJZwCLhJn GnJAwkJAJT271zBNYBSYheS6WQjXzUJy3QJG5lWMoqkFyQXFSem5hnrFibnFpXnpesn5uZsY wSnlmdQOxpUNFocYBTgYlXh4E1qPBQuxJpYVV+YeYpTgYFYS4d3WdTxYiDclsbIqtSg/vqg0 J7X4EKMp0NkTmaVEk/OB6S6vJN7Q2MTMyNLIzNjE3NhYSZz3QKt1oJBAemJJanZqakFqEUwf EwenVAPjwq23Lbf5fg80YJRfe+jtfqtpK3KWfeAUjp6Vt/m3/ozZJwP4m7R/5nRsuROk++j8 5LY5Lk6B5/omL928NKYtrDq369zcbyonLmvzpr1sPXa0ONUnLKaV+xFfgM40AffD60SMzbXV wybyKSns1Q4X+RAxv7MjqF4uVCrzOZeAU+ykCULsTOeVWIozEg21mIuKEwFm5JCuPwMAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 Acked-by: Inki Dae Acked-by: Kyungmin Park --- .../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 --:| : : : + Chip Select ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯|____________:____________:____________|¯¯ + | wr-setup+1 | | wr-hold+1 | + |<---------->| |<---------->| + Write Enable ¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯|____________|¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯ + | wr-active+1| + |<---------->| + Video Data ------------------------------ The device node can contain 'port' child nodes according to the bindings defined in [2]. The following are properties specific to those nodes: