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 <[email protected]> --- arch/arm64/boot/dts/ti/Makefile | 4 + .../ti/k3-am68-phyboard-izar-peb-av-15.dtso | 192 ++++++++++++++++++ 2 files changed, 196 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am68-phyboard-izar-peb-av-15.dtso diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index a188e62e32b4..ae5994818ad2 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -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 @@ -323,6 +326,7 @@ dtb- += k3-am625-beagleplay-csi2-ov5640.dtb \ k3-am642-tqma64xxl-mbax4xxl-wlan.dtb \ k3-am67a-kontron-sa67-base-gpios.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 \ diff --git a/arch/arm64/boot/dts/ti/k3-am68-phyboard-izar-peb-av-15.dtso b/arch/arm64/boot/dts/ti/k3-am68-phyboard-izar-peb-av-15.dtso new file mode 100644 index 000000000000..bec959d2e97f --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am68-phyboard-izar-peb-av-15.dtso @@ -0,0 +1,192 @@ +// SPDX-License-Identifier: GPL-2.0-or-only or MIT +/* + * Copyright (C) 2026 PHYTEC Messtechnik GmbH + * Author: Dominik Haller <[email protected]> + */ + +/dts-v1/; +/plugin/; + +#include <dt-bindings/gpio/gpio.h> +#include "k3-pinctrl.h" + +&{/} { + audio_refclk1: audio-clock { + #clock-cells = <0>; + compatible = "fixed-clock"; + 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 = <<8912b_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 = <<8912b_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 = <®_audio_3v3>; + IOVDD-supply = <®_audio_3v3>; + DRVDD-supply = <®_audio_3v3>; + DVDD-supply = <®_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 */ + >; + }; +}; -- 2.43.0
