From mboxrd@z Thu Jan 1 00:00:00 1970 From: eric@anholt.net (Eric Anholt) Date: Wed, 14 Dec 2016 11:46:16 -0800 Subject: [PATCH 06/11] dt-bindings: Document the VC4 DSI module nodes. In-Reply-To: <20161214194621.16499-1-eric@anholt.net> References: <20161214194621.16499-1-eric@anholt.net> Message-ID: <20161214194621.16499-7-eric@anholt.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org These are part of the vc4 display pipeline. Signed-off-by: Eric Anholt --- .../devicetree/bindings/display/brcm,bcm-vc4.txt | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt b/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt index e2768703ac2b..34c7fddcea39 100644 --- a/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt +++ b/Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt @@ -56,6 +56,18 @@ Required properties for V3D: - interrupts: The interrupt number See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt +Required properties for DSI: +- compatible: Should be "brcm,bcm2835-dsi0" or "brcm,bcm2835-dsi1" +- reg: Physical base address and length of the DSI block's registers +- interrupts: The interrupt number + See bindings/interrupt-controller/brcm,bcm2835-armctrl-ic.txt +- clocks: a) phy: The DSI PLL clock feeding the DSI analog PHY + b) escape: The DSI ESC clock from CPRMAN + c) pixel: The DSI pixel clock from CPRMAN +- clock-output-names: + The 3 clocks output from the DSI analog PHY: dsi[01]_byte, + dsi[01]_ddr2, and dsi[01]_ddr + [1] Documentation/devicetree/bindings/media/video-interfaces.txt Example: @@ -99,6 +111,29 @@ dpi: dpi at 7e208000 { }; }; +dsi1: dsi at 7e700000 { + compatible = "brcm,bcm2835-dsi1"; + reg = <0x7e700000 0x8c>; + interrupts = <2 12>; + #address-cells = <1>; + #size-cells = <0>; + #clock-cells = <1>; + + clocks = <&clocks BCM2835_PLLD_DSI1>, + <&clocks BCM2835_CLOCK_DSI1E>, + <&clocks BCM2835_CLOCK_DSI1P>; + clock-names = "phy", "escape", "pixel"; + + clock-output-names = "dsi1_byte", "dsi1_ddr2", "dsi1_ddr"; + + pitouchscreen: panel at 0 { + compatible = "raspberrypi,touchscreen"; + reg = <0>; + + <...> + }; +}; + vec: vec at 7e806000 { compatible = "brcm,bcm2835-vec"; reg = <0x7e806000 0x1000>; -- 2.11.0