From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pg0-f52.google.com ([74.125.83.52]:34845 "EHLO mail-pg0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752724AbcLGFIu (ORCPT ); Wed, 7 Dec 2016 00:08:50 -0500 Received: by mail-pg0-f52.google.com with SMTP id p66so157577842pga.2 for ; Tue, 06 Dec 2016 21:08:50 -0800 (PST) From: Kevin Hilman To: Hans Verkuil , Laurent Pinchart , Sakari Ailus , linux-media@vger.kernel.org Cc: Sekhar Nori , Axel Haslam , =?UTF-8?q?Bartosz=20Go=C5=82aszewski?= , Alexandre Bailon , David Lechner , Patrick Titiano , linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 4/5] [media] dt-bindings: add TI VPIF documentation Date: Tue, 6 Dec 2016 21:08:25 -0800 Message-Id: <20161207050826.23174-5-khilman@baylibre.com> In-Reply-To: <20161207050826.23174-1-khilman@baylibre.com> References: <20161207050826.23174-1-khilman@baylibre.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org List-ID: Acked-by: Rob Herring Signed-off-by: Kevin Hilman --- .../devicetree/bindings/media/ti,da850-vpif.txt | 67 ++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/ti,da850-vpif.txt diff --git a/Documentation/devicetree/bindings/media/ti,da850-vpif.txt b/Documentation/devicetree/bindings/media/ti,da850-vpif.txt new file mode 100644 index 000000000000..fa06dfdb6898 --- /dev/null +++ b/Documentation/devicetree/bindings/media/ti,da850-vpif.txt @@ -0,0 +1,67 @@ +Texas Instruments VPIF +---------------------- + +The TI Video Port InterFace (VPIF) is the primary component for video +capture and display on the DA850/AM18x family of TI DaVinci/Sitara +SoCs. + +TI Document reference: SPRUH82C, Chapter 35 +http://www.ti.com/lit/pdf/spruh82 + +Required properties: +- compatible: must be "ti,da850-vpif" +- reg: physical base address and length of the registers set for the device; +- interrupts: should contain IRQ line for the VPIF + +Video Capture: + +VPIF has a 16-bit parallel bus input, supporting 2 8-bit channels or a +single 16-bit channel. It should contain at least one port child node +with child 'endpoint' node. Please refer to the bindings defined in +Documentation/devicetree/bindings/media/video-interfaces.txt. + +Example using 2 8-bit input channels, one of which is connected to an +I2C-connected TVP5147 decoder: + + vpif: vpif@217000 { + compatible = "ti,da850-vpif"; + reg = <0x217000 0x1000>; + interrupts = <92>; + + port { + vpif_ch0: endpoint@0 { + reg = <0>; + bus-width = <8>; + remote-endpoint = <&composite>; + }; + + vpif_ch1: endpoint@1 { + reg = <1>; + bus-width = <8>; + data-shift = <8>; + }; + }; + }; + +[ ... ] + +&i2c0 { + + tvp5147@5d { + compatible = "ti,tvp5147"; + reg = <0x5d>; + status = "okay"; + + port { + composite: endpoint { + hsync-active = <1>; + vsync-active = <1>; + pclk-sample = <0>; + + /* VPIF channel 0 (lower 8-bits) */ + remote-endpoint = <&vpif_ch0>; + bus-width = <8>; + }; + }; + }; +}; -- 2.9.3 From mboxrd@z Thu Jan 1 00:00:00 1970 From: khilman@baylibre.com (Kevin Hilman) Date: Tue, 6 Dec 2016 21:08:25 -0800 Subject: [PATCH v5 4/5] [media] dt-bindings: add TI VPIF documentation In-Reply-To: <20161207050826.23174-1-khilman@baylibre.com> References: <20161207050826.23174-1-khilman@baylibre.com> Message-ID: <20161207050826.23174-5-khilman@baylibre.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Acked-by: Rob Herring Signed-off-by: Kevin Hilman --- .../devicetree/bindings/media/ti,da850-vpif.txt | 67 ++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/ti,da850-vpif.txt diff --git a/Documentation/devicetree/bindings/media/ti,da850-vpif.txt b/Documentation/devicetree/bindings/media/ti,da850-vpif.txt new file mode 100644 index 000000000000..fa06dfdb6898 --- /dev/null +++ b/Documentation/devicetree/bindings/media/ti,da850-vpif.txt @@ -0,0 +1,67 @@ +Texas Instruments VPIF +---------------------- + +The TI Video Port InterFace (VPIF) is the primary component for video +capture and display on the DA850/AM18x family of TI DaVinci/Sitara +SoCs. + +TI Document reference: SPRUH82C, Chapter 35 +http://www.ti.com/lit/pdf/spruh82 + +Required properties: +- compatible: must be "ti,da850-vpif" +- reg: physical base address and length of the registers set for the device; +- interrupts: should contain IRQ line for the VPIF + +Video Capture: + +VPIF has a 16-bit parallel bus input, supporting 2 8-bit channels or a +single 16-bit channel. It should contain at least one port child node +with child 'endpoint' node. Please refer to the bindings defined in +Documentation/devicetree/bindings/media/video-interfaces.txt. + +Example using 2 8-bit input channels, one of which is connected to an +I2C-connected TVP5147 decoder: + + vpif: vpif at 217000 { + compatible = "ti,da850-vpif"; + reg = <0x217000 0x1000>; + interrupts = <92>; + + port { + vpif_ch0: endpoint at 0 { + reg = <0>; + bus-width = <8>; + remote-endpoint = <&composite>; + }; + + vpif_ch1: endpoint at 1 { + reg = <1>; + bus-width = <8>; + data-shift = <8>; + }; + }; + }; + +[ ... ] + +&i2c0 { + + tvp5147 at 5d { + compatible = "ti,tvp5147"; + reg = <0x5d>; + status = "okay"; + + port { + composite: endpoint { + hsync-active = <1>; + vsync-active = <1>; + pclk-sample = <0>; + + /* VPIF channel 0 (lower 8-bits) */ + remote-endpoint = <&vpif_ch0>; + bus-width = <8>; + }; + }; + }; +}; -- 2.9.3