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<720548c9-bed8-4792-a323-90e472fd7404@nxp.com> Date: Mon, 30 Sep 2024 17:30:00 +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" , 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List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 09/30/2024, Biju Das wrote: > Hi Liu, Hi Biju, > >> -----Original Message----- >> From: Liu Ying >> Sent: Monday, September 30, 2024 10:16 AM >> Subject: Re: [PATCH 5/8] dt-bindings: display: bridge: Add ITE IT6263 LVDS to HDMI converter >> >> On 09/30/2024, Biju Das wrote: >>> Hi Liu, >> >> Hi Biju, >> >>> >>> thanks for the patch. >>> >>>> -----Original Message----- >>>> From: linux-arm-kernel >>>> On Behalf Of Liu Ying >>>> Sent: Monday, September 30, 2024 6:29 AM >>>> Subject: [PATCH 5/8] dt-bindings: display: bridge: Add ITE IT6263 >>>> LVDS to HDMI converter >>>> >>>> Document ITE IT6263 LVDS to HDMI converter. >>>> >>>> Product link: >>>> https://www.ite.com.tw/en/product/cate1/IT6263 >>>> >>>> Signed-off-by: Liu Ying >>>> --- >>>> .../bindings/display/bridge/ite,it6263.yaml | 310 ++++++++++++++++++ >>>> 1 file changed, 310 insertions(+) >>>> create mode 100644 >>>> Documentation/devicetree/bindings/display/bridge/ite,it6263.yaml >>>> >>>> diff --git >>>> a/Documentation/devicetree/bindings/display/bridge/ite,it6263.yaml >>>> b/Documentation/devicetree/bindings/display/bridge/ite,it6263.yaml >>>> new file mode 100644 >>>> index 000000000000..97fb81e5bc4a >>>> --- /dev/null >>>> +++ b/Documentation/devicetree/bindings/display/bridge/ite,it6263.yam >>>> +++ l >>>> @@ -0,0 +1,310 @@ >>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 >>>> +--- >>>> +$id: http://devicetree.org/schemas/display/bridge/ite,it6263.yaml# >>>> +$schema: http://devicetree.org/meta-schemas/core.yaml# >>>> + >>>> +title: ITE IT6263 LVDS to HDMI converter >>>> + >>>> +maintainers: >>>> + - Liu Ying >>>> + >>>> +description: | >>>> + The IT6263 is a high-performance single-chip De-SSC(De-Spread >>>> +Spectrum) LVDS >>>> + to HDMI converter. 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. > > Maybe "the first LVDS input link"-->"Single LVDS input link" for single LVDS block?? Nope. I tested single LVDS link with the second LVDS link. It didn't work. The single LVDS link only works with the first LVDS link. > >> >> 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 > -- Regards, Liu Ying