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Received: from AM7PR04MB7046.eurprd04.prod.outlook.com (2603:10a6:20b:113::22) by AS8PR04MB8023.eurprd04.prod.outlook.com (2603:10a6:20b:2a9::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8005.26; Mon, 30 Sep 2024 09:15:44 +0000 Received: from AM7PR04MB7046.eurprd04.prod.outlook.com ([fe80::d1ce:ea15:6648:6f90]) by AM7PR04MB7046.eurprd04.prod.outlook.com ([fe80::d1ce:ea15:6648:6f90%4]) with mapi id 15.20.8005.024; Mon, 30 Sep 2024 09:15:44 +0000 Message-ID: Date: Mon, 30 Sep 2024 17:16:03 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 5/8] dt-bindings: display: bridge: Add ITE IT6263 LVDS to HDMI converter To: Biju Das , "dri-devel@lists.freedesktop.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "imx@lists.linux.dev" , "linux-arm-kernel@lists.infradead.org" Cc: "andrzej.hajda@intel.com" , "neil.armstrong@linaro.org" , "rfoss@kernel.org" , "laurent.pinchart" , "jonas@kwiboo.se" , "jernej.skrabec@gmail.com" , "maarten.lankhorst@linux.intel.com" , "mripard@kernel.org" , "tzimmermann@suse.de" , "airlied@gmail.com" , "simona@ffwll.ch" , "robh@kernel.org" , "krzk+dt@kernel.org" , "conor+dt@kernel.org" , "shawnguo@kernel.org" , "s.hauer@pengutronix.de" , "kernel@pengutronix.de" , "festevam@gmail.com" , "catalin.marinas@arm.com" , "will@kernel.org" , "quic_bjorande@quicinc.com" , "geert+renesas@glider.be" , "dmitry.baryshkov@linaro.org" , "arnd@arndb.de" , "nfraprado@collabora.com" , "o.rempel@pengutronix.de" , "y.moog@phytec.de" References: <20240930052903.168881-1-victor.liu@nxp.com> <20240930052903.168881-6-victor.liu@nxp.com> From: Liu Ying Content-Language: en-US In-Reply-To: Content-Type: text/plain; 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Combined with LVDS receiver and HDMI 1.4a >> +transmitter, >> + the IT6263 supports LVDS input and HDMI 1.4 output by conversion function. >> + The built-in LVDS receiver can support single-link and dual-link LVDS >> +inputs, >> + and the built-in HDMI transmitter is fully compliant with HDMI >> +1.4a/3D, HDCP >> + 1.2 and backward compatible with DVI 1.0 specification. >> + >> + The IT6263 also encodes and transmits up to 8 channels of I2S digital >> + audio, with sampling rate up to 192KHz and sample size up to 24 bits. >> + In addition, an S/PDIF input port takes in compressed audio of up to 192KHz frame rate. >> + >> + The newly supported High-Bit Rate(HBR) audio by HDMI specifications >> + v1.3 is provided by the IT6263 in two interfaces: the four I2S input >> + ports or the S/PDIF input port. With both interfaces the highest >> + possible HBR frame rate is supported at up to 768KHz. >> + >> +properties: >> + compatible: >> + const: ite,it6263 >> + >> + reg: >> + maxItems: 1 >> + >> + clocks: >> + maxItems: 1 >> + description: audio master clock >> + >> + clock-names: >> + const: mclk >> + >> + reset-gpios: >> + maxItems: 1 >> + >> + ivdd-supply: >> + description: 1.8V digital logic power >> + >> + ovdd-supply: >> + description: 3.3V I/O pin power >> + >> + txavcc18-supply: >> + description: 1.8V HDMI analog frontend power >> + >> + txavcc33-supply: >> + description: 3.3V HDMI analog frontend power >> + >> + pvcc1-supply: >> + description: 1.8V HDMI frontend core PLL power >> + >> + pvcc2-supply: >> + description: 1.8V HDMI frontend filter PLL power >> + >> + avcc-supply: >> + description: 3.3V LVDS frontend power >> + >> + anvdd-supply: >> + description: 1.8V LVDS frontend analog power >> + >> + apvdd-supply: >> + description: 1.8V LVDS frontend PLL power >> + >> + "#sound-dai-cells": >> + const: 0 >> + >> + ite,i2s-audio-fifo-sources: >> + $ref: /schemas/types.yaml#/definitions/uint32-array >> + minItems: 1 >> + maxItems: 4 >> + items: >> + enum: [0, 1, 2, 3] >> + description: >> + Each array element indicates the pin number of an I2S serial data input >> + line which is connected to an audio FIFO, from audio FIFO0 to FIFO3. >> + >> + ite,rl-channel-swap-audio-sources: >> + $ref: /schemas/types.yaml#/definitions/uint32-array >> + minItems: 1 >> + maxItems: 4 >> + uniqueItems: true >> + items: >> + enum: [0, 1, 2, 3] >> + description: >> + Each array element indicates an audio source whose right channel and left >> + channel are swapped by this converter. For I2S, the element is the pin >> + number of an I2S serial data input line. For S/PDIF, the element is always >> + 0. >> + >> + ports: >> + $ref: /schemas/graph.yaml#/properties/ports >> + >> + oneOf: >> + - properties: >> + port@0: >> + $ref: /schemas/graph.yaml#/properties/port >> + description: the first LVDS input link >> + >> + port@1: false >> + >> + port@2: >> + $ref: /schemas/graph.yaml#/properties/port >> + description: video port for the HDMI output >> + >> + port@3: >> + $ref: /schemas/graph.yaml#/properties/port >> + description: sound input port >> + >> + required: >> + - port@0 >> + - port@2 >> + >> + - properties: >> + port@0: >> + $ref: /schemas/graph.yaml#/$defs/port-base >> + unevaluatedProperties: false >> + description: the first LVDS input link >> + >> + properties: >> + dual-lvds-odd-pixels: >> + type: boolean >> + description: the first sink port for odd pixels >> + >> + dual-lvds-even-pixels: >> + type: boolean >> + description: the first sink port for even pixels >> + >> + oneOf: >> + - required: [dual-lvds-odd-pixels] >> + - required: [dual-lvds-even-pixels] >> + >> + port@1: >> + $ref: /schemas/graph.yaml#/$defs/port-base >> + unevaluatedProperties: false >> + description: the second LVDS input link >> + >> + properties: >> + dual-lvds-even-pixels: >> + type: boolean >> + description: the second sink port for even pixels >> + >> + dual-lvds-odd-pixels: >> + type: boolean >> + description: the second sink port for odd pixels >> + >> + oneOf: >> + - required: [dual-lvds-even-pixels] >> + - required: [dual-lvds-odd-pixels] > > >> + >> + port@2: >> + $ref: /schemas/graph.yaml#/properties/port >> + description: video port for the HDMI output >> + >> + port@3: >> + $ref: /schemas/graph.yaml#/properties/port >> + description: sound input port > > What about single lvds as device support it? The single LVDS link has already been documented in this binding doc. Please find the "properties" above where only "port@0" and "port@2" are required. imx8mp-evk-lvds0-imx-lvds-hdmi.dtso and imx8mp-evk-lvds1-imx-lvds-hdmi.dtso added in patch 7 support the NXP adapter card with single LVDS link. > > Cheers, > Biju > >> + >> + required: >> + - port@0 >> + - port@1 >> + - port@2 >> + >> + allOf: >> + - if: >> + properties: >> + port@0: >> + required: >> + - dual-lvds-odd-pixels >> + then: >> + properties: >> + port@1: >> + properties: >> + dual-lvds-odd-pixels: false >> + >> + - if: >> + properties: >> + port@0: >> + required: >> + - dual-lvds-even-pixels >> + then: >> + properties: >> + port@1: >> + properties: >> + dual-lvds-even-pixels: false >> + >> +required: >> + - compatible >> + - reg >> + - ivdd-supply >> + - ovdd-supply >> + - txavcc18-supply >> + - txavcc33-supply >> + - pvcc1-supply >> + - pvcc2-supply >> + - avcc-supply >> + - anvdd-supply >> + - apvdd-supply >> + - ports >> + >> +additionalProperties: false >> + >> +examples: >> + - | >> + /* single-link LVDS input */ >> + #include >> + >> + i2c { >> + #address-cells = <1>; >> + #size-cells = <0>; >> + >> + hdmi@4c { >> + compatible = "ite,it6263"; >> + reg = <0x4c>; >> + reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>; >> + ivdd-supply = <®_buck5>; >> + ovdd-supply = <®_vext_3v3>; >> + txavcc18-supply = <®_buck5>; >> + txavcc33-supply = <®_vext_3v3>; >> + pvcc1-supply = <®_buck5>; >> + pvcc2-supply = <®_buck5>; >> + avcc-supply = <®_vext_3v3>; >> + anvdd-supply = <®_buck5>; >> + apvdd-supply = <®_buck5>; >> + >> + ports { >> + #address-cells = <1>; >> + #size-cells = <0>; >> + >> + port@0 { >> + reg = <0>; >> + >> + it6263_lvds_link1: endpoint { >> + remote-endpoint = <&ldb_lvds_ch0>; >> + }; >> + }; >> + >> + port@2 { >> + reg = <2>; >> + >> + it6263_out: endpoint { >> + remote-endpoint = <&hdmi_in>; >> + }; >> + }; >> + }; >> + }; >> + }; >> + >> + - | >> + /* dual-link LVDS input */ >> + #include >> + >> + i2c { >> + #address-cells = <1>; >> + #size-cells = <0>; >> + >> + hdmi@4c { >> + compatible = "ite,it6263"; >> + reg = <0x4c>; >> + reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>; >> + ivdd-supply = <®_buck5>; >> + ovdd-supply = <®_vext_3v3>; >> + txavcc18-supply = <®_buck5>; >> + txavcc33-supply = <®_vext_3v3>; >> + pvcc1-supply = <®_buck5>; >> + pvcc2-supply = <®_buck5>; >> + avcc-supply = <®_vext_3v3>; >> + anvdd-supply = <®_buck5>; >> + apvdd-supply = <®_buck5>; >> + >> + ports { >> + #address-cells = <1>; >> + #size-cells = <0>; >> + >> + port@0 { >> + reg = <0>; >> + dual-lvds-odd-pixels; >> + >> + it6263_lvds_link1_dual: endpoint { >> + remote-endpoint = <&ldb_lvds_ch0>; >> + }; >> + }; >> + >> + port@1 { >> + reg = <1>; >> + dual-lvds-even-pixels; >> + >> + it6263_lvds_link2_dual: endpoint { >> + remote-endpoint = <&ldb_lvds_ch1>; >> + }; >> + }; >> + >> + port@2 { >> + reg = <2>; >> + >> + it6263_out_dual: endpoint { >> + remote-endpoint = <&hdmi_in>; >> + }; >> + }; >> + }; >> + }; >> + }; >> -- >> 2.34.1 >> > -- Regards, Liu Ying