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/linux-6.12.1/Documentation/devicetree/bindings/sound/
Dnvidia,tegra-audio-wm9712.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/nvidia,tegra-audio-wm9712.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NVIDIA Tegra audio complex with WM9712 CODEC
10 - Jon Hunter <jonathanh@nvidia.com>
11 - Thierry Reding <thierry.reding@gmail.com>
14 - $ref: nvidia,tegra-audio-common.yaml#
19 - pattern: '^[a-z0-9]+,tegra-audio-wm9712([-_][a-z0-9]+)+$'
20 - const: nvidia,tegra-audio-wm9712
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/linux-6.12.1/sound/soc/tegra/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 tristate "SoC Audio for the Tegra System-on-Chip"
10 Say Y or M here if you want support for SoC audio on Tegra.
63 Config to enable Audio Hub (AHUB) module, which comprises of a
64 switch called Audio Crossbar (AXBAR) used to configure or modify
65 the audio routing path between various HW accelerators present in
83 Config to enable the Inter-IC Sound (I2S) Controller which
84 implements full-duplex and bidirectional and single direction
85 point-to-point serial interfaces. It can interface with I2S
114 converts the multi-bit Pulse Code Modulation (PCM) audio input to
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Dtegra_asoc_machine.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * tegra_asoc_machine.c - Universal ASoC machine driver for NVIDIA Tegra boards.
58 if (gpiod_get_value_cansleep(machine->gpiod_hp_det) && in coupled_mic_hp_check()
59 gpiod_get_value_cansleep(machine->gpiod_mic_det)) in coupled_mic_hp_check()
81 struct snd_soc_dapm_context *dapm = w->dapm; in tegra_machine_event()
82 struct tegra_machine *machine = snd_soc_card_get_drvdata(dapm->card); in tegra_machine_event()
86 gpiod_set_value_cansleep(machine->gpiod_spkr_en, in tegra_machine_event()
91 gpiod_set_value_cansleep(machine->gpiod_ext_mic_en, in tegra_machine_event()
96 gpiod_set_value_cansleep(machine->gpiod_int_mic_en, in tegra_machine_event()
101 gpiod_set_value_cansleep(machine->gpiod_hp_mute, in tegra_machine_event()
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/linux-6.12.1/arch/arm/boot/dts/nvidia/
Dtegra20-colibri.dtsi1 // SPDX-License-Identifier: GPL-2.0
22 nvidia,ddc-i2c-bus = <&hdmi_ddc>;
23 nvidia,hpd-gpio =
25 pll-supply = <&reg_1v8_avdd_hdmi_pll>;
26 vdd-supply = <&reg_3v3_avdd_hdmi>;
31 lan-reset-n-hog {
32 gpio-hog;
34 output-high;
35 line-name = "LAN_RESET#";
38 /* Tri-stating GMI_WR_N on SODIMM pin 99 nPWE */
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