From patchwork Wed Jan 12 09:49:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 1578963 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4JYjV24bRJz9s0r for ; Wed, 12 Jan 2022 20:50:18 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352378AbiALJuQ (ORCPT ); Wed, 12 Jan 2022 04:50:16 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:46780 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1352286AbiALJtz (ORCPT ); Wed, 12 Jan 2022 04:49:55 -0500 X-UUID: 9ba22167f417475ab94cb5078288e0ab-20220112 X-UUID: 9ba22167f417475ab94cb5078288e0ab-20220112 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1327875115; Wed, 12 Jan 2022 17:49:50 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.15; Wed, 12 Jan 2022 17:49:49 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 12 Jan 2022 17:49:48 +0800 From: Yunfei Dong To: Yunfei Dong , Alexandre Courbot , Hans Verkuil , "Tzung-Bi Shih" , Tiffany Lin , Andrew-CT Chen , Mauro Carvalho Chehab , Rob Herring , Matthias Brugger , Tomasz Figa CC: George Sun , Xiaoyong Lu , Hsin-Yi Wang , Fritz Koenig , Dafna Hirschfeld , Benjamin Gaignard , Daniel Vetter , dri-devel , Irui Wang , AngeloGioacchino Del Regno , Steve Cho , , , , , , , Subject: [PATCH v18, 15/19] dt-bindings: media: mtk-vcodec: Adds decoder dt-bindings for mt8192 Date: Wed, 12 Jan 2022 17:49:19 +0800 Message-ID: <20220112094923.16839-16-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220112094923.16839-1-yunfei.dong@mediatek.com> References: <20220112094923.16839-1-yunfei.dong@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Adds decoder dt-bindings for mt8192. Signed-off-by: Yunfei Dong Reviewed-by: Rob Herring --- .../media/mediatek,vcodec-subdev-decoder.yaml | 265 ++++++++++++++++++ 1 file changed, 265 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-decoder.yaml diff --git a/Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-decoder.yaml b/Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-decoder.yaml new file mode 100644 index 000000000000..d587fc3e39fb --- /dev/null +++ b/Documentation/devicetree/bindings/media/mediatek,vcodec-subdev-decoder.yaml @@ -0,0 +1,265 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) + +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/media/mediatek,vcodec-subdev-decoder.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Mediatek Video Decode Accelerator With Multi Hardware + +maintainers: + - Yunfei Dong + +description: | + Mediatek Video Decode is the video decode hardware present in Mediatek + SoCs which supports high resolution decoding functionalities. Required + parent and child device node. + + About the Decoder Hardware Block Diagram, please check below: + + +---------------------------------+------------------------------------+ + | | | + | input -> lat HW -> lat buffer --|--> lat buffer -> core HW -> output | + | || | || | + +------------||-------------------+---------------------||-------------+ + lat workqueue | core workqueue + -------------||-----------------------------------------||------------------ + || || + \/ <----------------HW index-------------->\/ + +------------------------------------------------------+ + | enable/disable | + | clk power irq iommu | + | (lat/lat soc/core0/core1) | + +------------------------------------------------------+ + + As above, there are parent and child devices, child mean each hardware. The child device + controls the information of each hardware independent which include clk/power/irq. + + There are two workqueues in parent device: lat workqueue and core workqueue. They are used + to lat and core hardware deocder. Lat workqueue need to get input bitstream and lat buffer, + then enable lat to decode, writing the result to lat buffer, dislabe hardware when lat decode + done. Core workqueue need to get lat buffer and output buffer, then enable core to decode, + writing the result to output buffer, disable hardware when core decode done. These two + hardwares will decode each frame cyclically. + + For the smi common may not the same for each hardware, can't combine all hardware in one node, + or leading to iommu fault when access dram data. + +properties: + compatible: + const: mediatek,mt8192-vcodec-dec + + reg: + maxItems: 1 + + iommus: + minItems: 1 + maxItems: 32 + description: | + List of the hardware port in respective IOMMU block for current Socs. + Refer to bindings/iommu/mediatek,iommu.yaml. + + mediatek,scp: + $ref: /schemas/types.yaml#/definitions/phandle + maxItems: 1 + description: | + The node of system control processor (SCP), using + the remoteproc & rpmsg framework. + + dma-ranges: + maxItems: 1 + description: | + Describes the physical address space of IOMMU maps to memory. + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + ranges: true + +# Required child node: +patternProperties: + '^vcodec-lat@[0-9a-f]+$': + type: object + + properties: + compatible: + const: mediatek,mtk-vcodec-lat + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + iommus: + minItems: 1 + maxItems: 32 + description: | + List of the hardware port in respective IOMMU block for current Socs. + Refer to bindings/iommu/mediatek,iommu.yaml. + + clocks: + maxItems: 5 + + clock-names: + items: + - const: sel + - const: soc-vdec + - const: soc-lat + - const: vdec + - const: top + + assigned-clocks: + maxItems: 1 + + assigned-clock-parents: + maxItems: 1 + + power-domains: + maxItems: 1 + + required: + - compatible + - reg + - interrupts + - iommus + - clocks + - clock-names + - assigned-clocks + - assigned-clock-parents + - power-domains + + additionalProperties: false + + '^vcodec-core@[0-9a-f]+$': + type: object + + properties: + compatible: + const: mediatek,mtk-vcodec-core + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + iommus: + minItems: 1 + maxItems: 32 + description: | + List of the hardware port in respective IOMMU block for current Socs. + Refer to bindings/iommu/mediatek,iommu.yaml. + + clocks: + maxItems: 5 + + clock-names: + items: + - const: sel + - const: soc-vdec + - const: soc-lat + - const: vdec + - const: top + + assigned-clocks: + maxItems: 1 + + assigned-clock-parents: + maxItems: 1 + + power-domains: + maxItems: 1 + + required: + - compatible + - reg + - interrupts + - iommus + - clocks + - clock-names + - assigned-clocks + - assigned-clock-parents + - power-domains + + additionalProperties: false + +required: + - compatible + - reg + - iommus + - mediatek,scp + - dma-ranges + - ranges + +additionalProperties: false + +examples: + - | + #include + #include + #include + #include + #include + + video-codec@16000000 { + compatible = "mediatek,mt8192-vcodec-dec"; + mediatek,scp = <&scp>; + iommus = <&iommu0 M4U_PORT_L4_VDEC_MC_EXT>; + dma-ranges = <0x1 0x0 0x0 0x40000000 0x0 0xfff00000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x16000000 0x40000>; + reg = <0x16000000 0x1000>; /* VDEC_SYS */ + vcodec-lat@10000 { + compatible = "mediatek,mtk-vcodec-lat"; + reg = <0x10000 0x800>; + interrupts = ; + iommus = <&iommu0 M4U_PORT_L5_VDEC_LAT0_VLD_EXT>, + <&iommu0 M4U_PORT_L5_VDEC_LAT0_VLD2_EXT>, + <&iommu0 M4U_PORT_L5_VDEC_LAT0_AVC_MV_EXT>, + <&iommu0 M4U_PORT_L5_VDEC_LAT0_PRED_RD_EXT>, + <&iommu0 M4U_PORT_L5_VDEC_LAT0_TILE_EXT>, + <&iommu0 M4U_PORT_L5_VDEC_LAT0_WDMA_EXT>, + <&iommu0 M4U_PORT_L5_VDEC_LAT0_RG_CTRL_DMA_EXT>, + <&iommu0 M4U_PORT_L5_VDEC_UFO_ENC_EXT>; + clocks = <&topckgen CLK_TOP_VDEC_SEL>, + <&vdecsys_soc CLK_VDEC_SOC_VDEC>, + <&vdecsys_soc CLK_VDEC_SOC_LAT>, + <&vdecsys_soc CLK_VDEC_SOC_LARB1>, + <&topckgen CLK_TOP_MAINPLL_D4>; + clock-names = "sel", "soc-vdec", "soc-lat", "vdec", "top"; + assigned-clocks = <&topckgen CLK_TOP_VDEC_SEL>; + assigned-clock-parents = <&topckgen CLK_TOP_MAINPLL_D4>; + power-domains = <&spm MT8192_POWER_DOMAIN_VDEC>; + }; + + vcodec-core@25000 { + compatible = "mediatek,mtk-vcodec-core"; + reg = <0x25000 0x1000>; + interrupts = ; + iommus = <&iommu0 M4U_PORT_L4_VDEC_MC_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_UFO_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_PP_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_PRED_RD_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_PRED_WR_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_PPWRAP_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_TILE_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_VLD_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_VLD2_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_AVC_MV_EXT>, + <&iommu0 M4U_PORT_L4_VDEC_RG_CTRL_DMA_EXT>; + clocks = <&topckgen CLK_TOP_VDEC_SEL>, + <&vdecsys CLK_VDEC_VDEC>, + <&vdecsys CLK_VDEC_LAT>, + <&vdecsys CLK_VDEC_LARB1>, + <&topckgen CLK_TOP_MAINPLL_D4>; + clock-names = "sel", "soc-vdec", "soc-lat", "vdec", "top"; + assigned-clocks = <&topckgen CLK_TOP_VDEC_SEL>; + assigned-clock-parents = <&topckgen CLK_TOP_MAINPLL_D4>; + power-domains = <&spm MT8192_POWER_DOMAIN_VDEC2>; + }; + };