Hi Liu, > -----Original Message----- > From: Biju Das > Sent: Monday, September 30, 2024 10:04 AM > Subject: RE: [PATCH 5/8] dt-bindings: display: bridge: Add ITE IT6263 LVDS to HDMI converter > > Hi Liu, > > 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.yaml > > @@ -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? > > 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 Do we need to document ite,data-mapping to support both VESA and JEIDA formats?? Or Is there any run time info available to get this info? Currently, I see it is hardcoded in driver. Cheers, Biju > > + > > +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 > >
