Hi Liu, > -----Original Message----- > From: Liu Ying <victor.liu@xxxxxxx> > 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 <linux-arm-kernel-bounces@xxxxxxxxxxxxxxxxxxx> > >> 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 <victor.liu@xxxxxxx> > >> --- > >> .../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 <victor.liu@xxxxxxx> > >> + > >> +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?? > > 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 <dt-bindings/gpio/gpio.h> > >> + > >> + 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 <dt-bindings/gpio/gpio.h> > >> + > >> + 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
