Add bindings documentation for Xilinx UHD-SDI Receiver Subsystem. The Xilinx UHD-SDI Receiver Subsystem consists of SMPTE UHD-SDI (RX) IP core, an SDI RX to Video Bridge IP core to convert SDI video to native video and a Video In to AXI4-Stream IP core to convert native video to AXI4-Stream. Signed-off-by: Vishal Sagar <vishal.sagar@xxxxxxxxxx> --- v3 - bpc instead of bpp - removed bpc as required property (default to 10 bpc) - add dt-bindings/media/xilinx-sdi.h - made line-rate as u32 instead of string - fixed reg - fixed s/upto/up to/ v2 - Removed references to xlnx,video* - Fixed as per Sakari Ailus and Rob Herring's comments - Converted to yaml format .../bindings/media/xilinx/xlnx,sdirxss.yaml | 132 ++++++++++++++++++ include/dt-bindings/media/xilinx-sdi.h | 20 +++ 2 files changed, 152 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/xilinx/xlnx,sdirxss.yaml create mode 100644 include/dt-bindings/media/xilinx-sdi.h diff --git a/Documentation/devicetree/bindings/media/xilinx/xlnx,sdirxss.yaml b/Documentation/devicetree/bindings/media/xilinx/xlnx,sdirxss.yaml new file mode 100644 index 000000000000..6cfc18ca435f --- /dev/null +++ b/Documentation/devicetree/bindings/media/xilinx/xlnx,sdirxss.yaml @@ -0,0 +1,132 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/xilinx/xlnx,sdirxss.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + + +title: Xilinx SMPTE UHD-SDI Receiver Subsystem + +maintainers: + - Vishal Sagar <vishal.sagar@xxxxxxxxxx> + +description: | + The SMPTE UHD-SDI Receiver (RX) Subsystem allows you to quickly create systems + based on SMPTE SDI protocols. It receives unaligned native SDI streams from + the SDI GT PHY and outputs an AXI4-Stream video stream, native video, or + native SDI using Xilinx transceivers as the physical layer. + + The subsystem consists of + 1 - SMPTE UHD-SDI Rx + 2 - SDI Rx to Native Video Bridge + 3 - Video In to AXI4-Stream Bridge + + The subsystem can capture SDI streams in up to 12G mode 8 data streams and output + a dual pixel per clock RGB/YUV444,422/420 10/12 bits per component AXI4-Stream. + +properties: + compatible: + items: + - enum: + - xlnx,v-smpte-uhdsdi-rx-ss-2.0 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + description: List of clock specifiers + items: + - description: AXI4-Lite clock + - description: SMPTE UHD-SDI Rx core clock + - description: Video clock + + clock-names: + items: + - const: s_axi_aclk + - const: sdi_rx_clk + - const: video_out_clk + + xlnx,bpc: + description: Bits per component supported. Can be 10 or 12 bits per component only. + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - enum: [10, 12] + + xlnx,line-rate: + description: | + The maximum mode supported by the design. Possible values are as below + 0 - XSDI_STD_3G - 3G mode + 1 - XSDI_STD_6G - 6G mode + 2 - XSDI_STD_12G_8DS - 12G mode with 8 data streams + allOf: + - $ref: "/schemas/types.yaml#/definitions/uint32" + - enum: [0, 1, 2] + + xlnx,include-edh: + type: boolean + description: | + This is present when the Error Detection and Handling processor is + enabled in design. + + ports: + type: object + description: | + Generally the SDI port is connected to a device like SDI Broadcast camera + which is independently controlled. Hence port@0 is a source port which can be + connected to downstream IP which can work with AXI4 Stream data. + properties: + port@0: + type: object + description: Source port + properties: + reg: + const: 0 + endpoint: + type: object + properties: + remote-endpoint: true + required: + - remote-endpoint + additionalProperties: false + additionalProperties: false + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - xlnx,line-rate + - ports + +additionalProperties: false + +examples: + - | + #include <dt-bindings/media/xilinx-sdi.h> + uhdsdirxss: v-smpte-uhdsdi-rxss@80000000 { + compatible = "xlnx,v-smpte-uhdsdi-rx-ss-2.0"; + interrupt-parent = <&gic>; + interrupts = <0 89 4>; + reg = <0x80000000 0x10000>; + xlnx,include-edh; + xlnx,line-rate = <XSDI_STD_12G_8DS>; + clocks = <&clk_1>, <&si570_1>, <&clk_2>; + clock-names = "s_axi_aclk", "sdi_rx_clk", "video_out_clk"; + xlnx,bpc = <10>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + sdirx_out: endpoint { + remote-endpoint = <&vcap_sdirx_in>; + }; + }; + }; + }; +... diff --git a/include/dt-bindings/media/xilinx-sdi.h b/include/dt-bindings/media/xilinx-sdi.h new file mode 100644 index 000000000000..11938fade041 --- /dev/null +++ b/include/dt-bindings/media/xilinx-sdi.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Xilinx SDI device tree bindings + * + * Copyright (C) 2020 Xilinx, Inc. + * + * Contacts: Vishal Sagar <vishal.sagar@xxxxxxxxxx> + */ + +#ifndef __DT_BINDINGS_MEDIA_XILINX_SDI_H__ +#define __DT_BINDINGS_MEDIA_XILINX_SDI_H__ + +/* + * SDI Configurations + */ +#define XSDI_STD_3G 0 +#define XSDI_STD_6G 1 +#define XSDI_STD_12G_8DS 2 + +#endif /* __DT_BINDINGS_MEDIA_XILINX_SDI_H__ */ -- 2.21.0
