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Message-ID:
<TYWPR01MB1134310A59DF5B26D97954FAC86762@TYWPR01MB11343.jpnprd01.prod.outlook.com>
Date: Mon, 30 Sep 2024 09:24:59 +0000
From: Biju Das <biju.das.jz@...renesas.com>
To: Liu Ying <victor.liu@....com>, "dri-devel@...ts.freedesktop.org"
<dri-devel@...ts.freedesktop.org>, "devicetree@...r.kernel.org"
<devicetree@...r.kernel.org>, "linux-kernel@...r.kernel.org"
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CC: "andrzej.hajda@...el.com" <andrzej.hajda@...el.com>,
"neil.armstrong@...aro.org" <neil.armstrong@...aro.org>, "rfoss@...nel.org"
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<maarten.lankhorst@...ux.intel.com>, "mripard@...nel.org"
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<y.moog@...tec.de>
Subject: RE: [PATCH 5/8] dt-bindings: display: bridge: Add ITE IT6263 LVDS to
HDMI converter
Hi Liu,
> -----Original Message-----
> From: Liu Ying <victor.liu@....com>
> 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@...ts.infradead.org>
> >> 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@....com>
> >> ---
> >> .../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@....com>
> >> +
> >> +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
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