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Tue, 19 Mar 2013 00:09:09 -0700 (PDT) Received-SPF: neutral (google.com: 209.85.192.177 is neither permitted nor denied by best guess record for domain of vikas.sajjan@linaro.org) client-ip=209.85.192.177; Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.192.177 is neither permitted nor denied by best guess record for domain of vikas.sajjan@linaro.org) smtp.mail=vikas.sajjan@linaro.org Received: by mail-pd0-f177.google.com with SMTP id y14so71036pdi.36 for ; Tue, 19 Mar 2013 00:09:09 -0700 (PDT) X-Received: by 10.66.50.2 with SMTP id y2mr1570699pan.179.1363676949284; Tue, 19 Mar 2013 00:09:09 -0700 (PDT) Received: from localhost.localdomain ([115.113.119.130]) by mx.google.com with ESMTPS id dl1sm18901408pbc.17.2013.03.19.00.09.05 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 19 Mar 2013 00:09:08 -0700 (PDT) From: Vikas Sajjan To: linux-samsung-soc@vger.kernel.org Cc: kgene.kim@samsung.com, sylvester.nawrocki@gmail.com, devicetree-discuss@lists.ozlabs.org, inki.dae@samsung.com, linaro-kernel@lists.linaro.org, joshi@samsung.com Subject: [PATCH v8 4/4] ARM: dts: Add FIMD DT binding Documentation Date: Tue, 19 Mar 2013 12:38:12 +0530 Message-Id: <1363676892-21296-5-git-send-email-vikas.sajjan@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1363676892-21296-1-git-send-email-vikas.sajjan@linaro.org> References: <1363676892-21296-1-git-send-email-vikas.sajjan@linaro.org> X-Gm-Message-State: ALoCoQmZvnymUaDZmkRylgYyvbZVqceZiFzMxEPwHzEOaCOekVfky7uTfAWEyfrm0k+baU0gTVph Adds FIMD DT binding documentation for both Samsung SoC and Board, with an example Signed-off-by: Vikas Sajjan --- .../devicetree/bindings/video/samsung-fimd.txt | 61 ++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 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 new file mode 100644 index 0000000..d4b32d6 --- /dev/null +++ b/Documentation/devicetree/bindings/video/samsung-fimd.txt @@ -0,0 +1,61 @@ +Device-Tree bindings for Samsung SoC display controller (FIMD) + +FIMD stands for Fully Interactive Mobile Display, is the Display Controller for +the Samsung series of SoCs which transfers the image data from a video buffer +located in the system memory to an external LCD interface. + +Required properties: +- compatible : value should be one of the following + "samsung,s3c2443-fimd"; /* for S3C24XX SoCs */ + "samsung,s3c6400-fimd"; /* for S3C64XX SoCs */ + "samsung,s5p6440-fimd"; /* for S5P64X0 SoCs */ + "samsung,s5pc100-fimd"; /* for S5PC100 SoC */ + "samsung,s5pv210-fimd"; /* for S5PV210 SoC */ + "samsung,exynos4210-fimd"; /* for Exynos4 SoCs */ + "samsung,exynos5250-fimd"; /* for Exynos5 SoCs */ + +- reg : physical base address of the FIMD and length of memory mapped region + +- interrupt-parent : a phandle to the interrupt combiner node + +- interrupts : should contain a list of all FIMD IP block interrupts: + FIFO Level, VSYNC, LCD_SYSTEM. The interrupt specifier format depends + on the interrupt controller used. + +- interrupt-names : should contain the interrupt names: "fifo", "vsync", + "lcd_sys", in the same order as they were listed in the interrupts + property. + +- pinctrl : property defining the pinctrl configurations with a phandle + +- pinctrl-names : "default" state needs to be specified in the fimd node + The pinctrl bindings defined in + ../../../pinctrl/pinctrl-bindings.txt must be used to define a + pinctrl state named "default". + +Optional Properties: +- samsung,power-domain := a phandle to FIMD power domain node + +Example: + +SoC specific DT Entry: + + fimd@11c00000 { + compatible = "samsung,exynos4210-fimd"; + interrupt-parent = <&combiner>; + reg = <0x11c00000 0x20000>; + interrupt-names = "fifo", "vsync", "lcd_sys"; + interrupts = <11 0>, <11 1>, <11 2>; + clocks = <&clock 140>, <&clock 283>; + clock-names = "sclk_fimd", "fimd"; + status = "disabled"; + }; + +Board specific DT Entry: + + fimd@11c00000 { + samsung,power-domain = <&pd_lcd0>; + pinctrl-0 = <&lcd_sync &lcd_clk &lcd_en &lcd0_data &pwm1_out>; + pinctrl-names = "default"; + status = "okay"; + };