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/linux-6.12.1/Documentation/devicetree/bindings/sound/
Dnvidia,tegra210-dmic.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/nvidia,tegra210-dmic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Tegra210 DMIC Controller
10 The Digital MIC (DMIC) Controller is used to interface with Pulse
12 Pulse Coded Modulation (PCM) signals. DMIC can be viewed as a PDM
16 - Jon Hunter <jonathanh@nvidia.com>
17 - Sameer Pujar <spujar@nvidia.com>
20 - $ref: dai-common.yaml#
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Dnvidia,tegra210-ahub.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/sound/nvidia,tegra210-ahub.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Tegra210 AHUB
11 for audio pre-processing, post-processing and a programmable full
13 external interfaces such as I2S, DMIC, DSPK. It interfaces with ADMA
17 - Jon Hunter <jonathanh@nvidia.com>
18 - Sameer Pujar <spujar@nvidia.com>
22 pattern: "^ahub@[0-9a-f]*$"
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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"
61 tristate "Tegra210 AHUB module"
67 Say Y or M if you want to add support for Tegra210 AHUB module.
70 tristate "Tegra210 DMIC module"
72 Config to enable the Digital MIC (DMIC) controller which is used
74 The DMIC controller implements a converter to convert PDM signals
77 Say Y or M if you want to add support for Tegra210 DMIC module.
80 tristate "Tegra210 I2S module"
83 Config to enable the Inter-IC Sound (I2S) Controller which
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DMakefile1 # SPDX-License-Identifier: GPL-2.0
3 snd-soc-tegra-pcm-y := tegra_pcm.o
4 snd-soc-tegra-utils-y += tegra_asoc_utils.o
5 snd-soc-tegra20-ac97-y := tegra20_ac97.o
6 snd-soc-tegra20-das-y := tegra20_das.o
7 snd-soc-tegra20-i2s-y := tegra20_i2s.o
8 snd-soc-tegra20-spdif-y := tegra20_spdif.o
9 snd-soc-tegra30-ahub-y := tegra30_ahub.o
10 snd-soc-tegra30-i2s-y := tegra30_i2s.o
11 snd-soc-tegra210-ahub-y := tegra210_ahub.o
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Dtegra210_dmic.c1 // SPDX-License-Identifier: GPL-2.0-only
3 // tegra210_dmic.c - Tegra210 DMIC driver
26 /* Below enables all filters - DCR, LP and SC */
45 struct tegra210_dmic *dmic = dev_get_drvdata(dev); in tegra210_dmic_runtime_suspend() local
47 regcache_cache_only(dmic->regmap, true); in tegra210_dmic_runtime_suspend()
48 regcache_mark_dirty(dmic->regmap); in tegra210_dmic_runtime_suspend()
50 clk_disable_unprepare(dmic->clk_dmic); in tegra210_dmic_runtime_suspend()
57 struct tegra210_dmic *dmic = dev_get_drvdata(dev); in tegra210_dmic_runtime_resume() local
60 err = clk_prepare_enable(dmic->clk_dmic); in tegra210_dmic_runtime_resume()
62 dev_err(dev, "failed to enable DMIC clock, err: %d\n", err); in tegra210_dmic_runtime_resume()
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Dtegra210_dmic.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * tegra210_dmic.h - Definitions for Tegra210 DMIC driver
12 /* Register offsets from DMIC BASE */
Dtegra_audio_graph_card.c1 // SPDX-License-Identifier: GPL-2.0-only
3 // tegra_audio_graph_card.c - Audio Graph based Tegra Machine Driver
5 // Copyright (c) 2020-2021 NVIDIA CORPORATION. All rights reserved.
13 #include <sound/soc-dai.h>
51 !dai->driver->ops || in need_clk_update()
52 !dai->driver->name) in need_clk_update()
55 if (strstr(dai->driver->name, "I2S") || in need_clk_update()
56 strstr(dai->driver->name, "DMIC") || in need_clk_update()
57 strstr(dai->driver->name, "DSPK")) in need_clk_update()
68 struct simple_util_priv *simple = snd_soc_card_get_drvdata(rtd->card); in tegra_audio_graph_update_pll()
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Dtegra210_ahub.c1 // SPDX-License-Identifier: GPL-2.0-only
3 // tegra210_ahub.c - Tegra210 AHUB driver
5 // Copyright (c) 2020-2024, NVIDIA CORPORATION. All rights reserved.
22 struct soc_enum *e = (struct soc_enum *)kctl->private_value; in tegra_ahub_get_value_enum()
29 for (i = 0; i < ahub->soc_data->reg_count; i++) { in tegra_ahub_get_value_enum()
32 reg = e->reg + (TEGRA210_XBAR_PART1_RX * i); in tegra_ahub_get_value_enum()
34 reg_val &= ahub->soc_data->mask[i]; in tegra_ahub_get_value_enum()
38 (8 * cmpnt->val_bytes * i); in tegra_ahub_get_value_enum()
44 for (i = 0; i < e->items; i++) { in tegra_ahub_get_value_enum()
45 if (bit_pos == e->values[i]) { in tegra_ahub_get_value_enum()
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/linux-6.12.1/arch/arm64/boot/dts/nvidia/
Dtegra210.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include <dt-bindings/clock/tegra210-car.h>
3 #include <dt-bindings/gpio/tegra-gpio.h>
4 #include <dt-bindings/memory/tegra210-mc.h>
5 #include <dt-bindings/pinctrl/pinctrl-tegra.h>
6 #include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
7 #include <dt-bindings/reset/tegra210-car.h>
8 #include <dt-bindings/interrupt-controller/arm-gic.h>
9 #include <dt-bindings/thermal/tegra124-soctherm.h>
10 #include <dt-bindings/soc/tegra-pmc.h>
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Dtegra186.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include <dt-bindings/clock/tegra186-clock.h>
3 #include <dt-bindings/gpio/tegra186-gpio.h>
4 #include <dt-bindings/interrupt-controller/arm-gic.h>
5 #include <dt-bindings/mailbox/tegra186-hsp.h>
6 #include <dt-bindings/memory/tegra186-mc.h>
7 #include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
8 #include <dt-bindings/power/tegra186-powergate.h>
9 #include <dt-bindings/reset/tegra186-reset.h>
10 #include <dt-bindings/thermal/tegra186-bpmp-thermal.h>
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Dtegra194.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include <dt-bindings/clock/tegra194-clock.h>
3 #include <dt-bindings/gpio/tegra194-gpio.h>
4 #include <dt-bindings/interrupt-controller/arm-gic.h>
5 #include <dt-bindings/mailbox/tegra186-hsp.h>
6 #include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
7 #include <dt-bindings/pinctrl/pinctrl-tegra.h>
8 #include <dt-bindings/power/tegra194-powergate.h>
9 #include <dt-bindings/reset/tegra194-reset.h>
10 #include <dt-bindings/thermal/tegra194-bpmp-thermal.h>
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Dtegra210-p2371-2180.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include "tegra210-p2180.dtsi"
5 #include "tegra210-p2597.dtsi"
9 compatible = "nvidia,p2371-2180", "nvidia,tegra210";
14 hvddio-pex-supply = <&vdd_1v8>;
15 dvddio-pex-supply = <&vdd_pex_1v05>;
16 vddio-pex-ctl-supply = <&vdd_1v8>;
19 phys = <&{/padctl@7009f000/pads/pcie/lanes/pcie-0}>,
20 <&{/padctl@7009f000/pads/pcie/lanes/pcie-1}>,
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Dtegra234.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/clock/tegra234-clock.h>
4 #include <dt-bindings/gpio/tegra234-gpio.h>
5 #include <dt-bindings/interrupt-controller/arm-gic.h>
6 #include <dt-bindings/mailbox/tegra186-hsp.h>
7 #include <dt-bindings/memory/tegra234-mc.h>
8 #include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
9 #include <dt-bindings/power/tegra234-powergate.h>
10 #include <dt-bindings/reset/tegra234-reset.h>
11 #include <dt-bindings/thermal/tegra234-bpmp-thermal.h>
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Dtegra210-p3450-0000.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/gpio-keys.h>
5 #include <dt-bindings/input/linux-event-codes.h>
6 #include <dt-bindings/mfd/max77620.h>
8 #include "tegra210.dtsi"
12 compatible = "nvidia,p3450-0000", "nvidia,tegra210";
22 stdout-path = "serial0:115200n8";
33 hvddio-pex-supply = <&vdd_1v8>;
34 dvddio-pex-supply = <&vdd_pex_1v05>;
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/linux-6.12.1/Documentation/devicetree/bindings/soc/tegra/
Dnvidia,tegra20-pmc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/soc/tegra/nvidia,tegra20-pmc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jonathan Hunter <jonathanh@nvidia.com>
16 - nvidia,tegra20-pmc
17 - nvidia,tegra30-pmc
18 - nvidia,tegra114-pmc
19 - nvidia,tegra124-pmc
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/linux-6.12.1/drivers/soc/tegra/
Dpmc.c1 // SPDX-License-Identifier: GPL-2.0-only
6 * Copyright (c) 2018-2024, NVIDIA CORPORATION. All rights reserved.
12 #define pr_fmt(fmt) "tegra-pmc: " fmt
14 #include <linux/arm-smccc.h>
16 #include <linux/clk-provider.h>
18 #include <linux/clk/clk-conf.h>
37 #include <linux/pinctrl/pinconf-generic.h>
56 #include <dt-bindings/interrupt-controller/arm-gic.h>
57 #include <dt-bindings/pinctrl/pinctrl-tegra-io-pad.h>
58 #include <dt-bindings/gpio/tegra186-gpio.h>
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/linux-6.12.1/
DMAINTAINERS5 ---------------------------------------------------
21 W: *Web-page* with status/info
23 B: URI for where to file *bugs*. A web-page with detailed bug
28 patches to the given subsystem. This is either an in-tree file,
29 or a URI. See Documentation/maintainer/maintainer-entry-profile.rst
46 N: [^a-z]tegra all files whose path contains tegra
64 ----------------
83 3WARE SAS/SATA-RAID SCSI DRIVERS (3W-XXXX, 3W-9XXX, 3W-SAS)
85 L: linux-scsi@vger.kernel.org
88 F: drivers/scsi/3w-*
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