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arm64: dts: ti: k3-am68-phyboard-izar: Add PEB-AV-15 overlay

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Add an overlay to use the PEB-AV-15 AV-Adapter. It's a small expansion board
using a Lontium LT8912B DSI->HDMI bridge and a TLV320AIC3007 audio codec.

Signed-off-by: Dominik Haller <d.haller@phytec.de>
Link: https://patch.msgid.link/20260320212349.420951-6-d.haller@phytec.de
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Dominik Haller 2026-03-20 14:23:46 -07:00 committed by Vignesh Raghavendra
parent db0da07c37
commit 6e5df7cc54
2 changed files with 195 additions and 0 deletions
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4
arch/arm64/boot/dts/ti/Makefile
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@ -135,6 +135,9 @@ dtb-$(CONFIG_ARCH_K3) += k3-am68-phyboard-izar.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am68-phyboard-izar-lvds-ph128800t006.dtb
k3-am68-phyboard-izar-lvds-ph128800t006-dtbs := k3-am68-phyboard-izar.dtb \
k3-am68-phyboard-izar-lvds-ph128800t006.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am68-phyboard-izar-peb-av-15.dtb
k3-am68-phyboard-izar-peb-av-15-dtbs := k3-am68-phyboard-izar.dtb \
k3-am68-phyboard-izar-peb-av-15.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am68-sk-base-board.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am68-sk-base-board-pcie1-ep.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-j721s2-common-proc-board.dtb
@ -310,6 +313,7 @@ dtb- += k3-am625-beagleplay-csi2-ov5640.dtb \
k3-am642-tqma64xxl-mbax4xxl-sdcard.dtb \
k3-am642-tqma64xxl-mbax4xxl-wlan.dtb \
k3-am68-phyboard-izar-lvds-ph128800t006.dtb \
k3-am68-phyboard-izar-peb-av-15.dtb \
k3-am68-sk-base-board-csi2-dual-imx219.dtb \
k3-am68-sk-base-board-pcie1-ep.dtb \
k3-am69-sk-csi2-dual-imx219.dtb \

191
arch/arm64/boot/dts/ti/k3-am68-phyboard-izar-peb-av-15.dtso Normal file
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@ -0,0 +1,191 @@
// SPDX-License-Identifier: GPL-2.0-only OR MIT
/*
* Copyright (C) 2026 PHYTEC Messtechnik GmbH
* Author: Dominik Haller <d.haller@phytec.de>
*/
/dts-v1/;
/plugin/;
#include <dt-bindings/gpio/gpio.h>
#include "k3-pinctrl.h"
&{/} {
audio_refclk1: audio-clock {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <19200000>;
};
hdmi: hdmi-connector {
compatible = "hdmi-connector";
label = "hdmi";
type = "a";
ddc-i2c-bus = <&main_i2c2>;
port {
hdmi_connector_in: endpoint {
remote-endpoint = <&lt8912b_out>;
};
};
};
reg_audio_3v3: regulator-audio-3v3 {
compatible = "regulator-fixed";
regulator-name = "VCC3V3_AUDIO";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
reg_audio_1v8: regulator-audio-1v8 {
compatible = "regulator-fixed";
regulator-name = "VCC1V8_AUDIO";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
};
sound {
compatible = "simple-audio-card";
simple-audio-card,name = "PEB-AV-15";
simple-audio-card,widgets =
"Headphone", "Headphone Jack",
"Microphone", "Mic Jack";
simple-audio-card,routing =
"Headphone Jack", "HPLOUT",
"Headphone Jack", "HPROUT",
"MIC3R", "Mic Jack",
"Mic Jack", "Mic Bias";
simple-audio-card,format = "dsp_b";
simple-audio-card,bitclock-inversion;
simple-audio-card,bitclock-master = <&link0_codec>;
simple-audio-card,frame-master = <&link0_codec>;
link0_cpu: simple-audio-card,cpu {
sound-dai = <&mcasp0>;
};
link0_codec: simple-audio-card,codec {
sound-dai = <&audio_codec>;
clocks = <&audio_refclk1>;
};
};
};
&dphy_tx1 {
status = "okay";
};
&dsi1 {
status = "okay";
};
&dsi1_ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
dsi1_out: endpoint {
remote-endpoint = <&lt8912b_in>;
};
};
port@1 {
reg = <1>;
dsi1_in: endpoint {
remote-endpoint = <&dpi3_out>;
};
};
};
&dss {
status = "okay";
};
&dss_ports {
#address-cells = <1>;
#size-cells = <0>;
port@3 {
reg = <3>;
dpi3_out: endpoint {
remote-endpoint = <&dsi1_in>;
};
};
};
&mcasp0 {
pinctrl-names = "default";
pinctrl-0 = <&mcasp0_pins>;
#sound-dai-cells = <0>;
op-mode = <0>; /* MCASP_IIS_MODE */
tdm-slots = <2>;
/* 4 serializers */
serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
2 0 0 1
0 0 0 0
0 0 0 0
0 0 0 0
>;
tx-num-evt = <32>;
rx-num-evt = <32>;
status = "okay";
};
&main_i2c2 {
#address-cells = <1>;
#size-cells = <0>;
audio_codec: audio-codec@18 {
compatible = "ti,tlv320aic3007";
reg = <0x18>;
#sound-dai-cells = <0>;
ai3x-micbias-vg = <2>;
AVDD-supply = <&reg_audio_3v3>;
IOVDD-supply = <&reg_audio_3v3>;
DRVDD-supply = <&reg_audio_3v3>;
DVDD-supply = <&reg_audio_1v8>;
};
bridge@48 {
compatible = "lontium,lt8912b";
reg = <0x48>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
lt8912b_in: endpoint {
data-lanes = <0 1 2 3>;
remote-endpoint = <&dsi1_out>;
};
};
port@1 {
reg = <1>;
lt8912b_out: endpoint {
remote-endpoint = <&hdmi_connector_in>;
};
};
};
};
};
&main_pmx0 {
mcasp0_pins: mcasp0-default-pins {
pinctrl-single,pins = <
J721S2_IOPAD(0x03c, PIN_INPUT, 1) /* (U27) WCLK, MCASP0_AFSX.MCASP0_AFSX */
J721S2_IOPAD(0x038, PIN_INPUT, 1) /* (AB28) BCLK, MCASP0_ACLKX.MCASP0_ACLKX */
J721S2_IOPAD(0x040, PIN_OUTPUT, 1) /* (AC28) DOUT, MCASP0_AXR0.MCASP0_AXR0 */
J721S2_IOPAD(0x07c, PIN_INPUT, 1) /* (T27) DIN, MCASP0_AXR3.MCASP0_AXR3 */
>;
};
};