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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
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Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/nvidia,tegra210-dmic.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Tegra210 DMIC Controller Device Tree Bindings
+
+description: |
+ The Digital MIC (DMIC) Controller is used to interface with Pulse
+ Density Modulation (PDM) input devices. It converts PDM signals to
+ Pulse Coded Modulation (PCM) signals. DMIC can be viewed as a PDM
+ receiver.
+
+maintainers:
+ - Jon Hunter <jonathanh@nvidia.com>
+ - Sameer Pujar <spujar@nvidia.com>
+
+properties:
+ $nodename:
+ pattern: "^dmic@[0-9a-f]*$"
+
+ compatible:
+ oneOf:
+ - const: nvidia,tegra210-dmic
+ - items:
+ - enum:
+ - nvidia,tegra194-dmic
+ - nvidia,tegra186-dmic
+ - const: nvidia,tegra210-dmic
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: dmic
+
+ assigned-clocks:
+ maxItems: 1
+
+ assigned-clock-parents:
+ maxItems: 1
+
+ assigned-clock-rates:
+ maxItems: 1
+
+ sound-name-prefix:
+ pattern: "^DMIC[1-9]$"
+ $ref: /schemas/types.yaml#/definitions/string
+ description:
+ used as prefix for sink/source names of the component. Must be a
+ unique string among multiple instances of the same component.
+ The name can be "DMIC1" or "DMIC2" ... "DMICx", where x depends
+ on the maximum available instances on a Tegra SoC.
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - assigned-clocks
+ - assigned-clock-parents
+
+additionalProperties: false
+
+examples:
+ - |
+ #include<dt-bindings/clock/tegra210-car.h>
+
+ dmic@702d4000 {
+ compatible = "nvidia,tegra210-dmic";
+ reg = <0x702d4000 0x100>;
+ clocks = <&tegra_car TEGRA210_CLK_DMIC1>;
+ clock-names = "dmic";
+ assigned-clocks = <&tegra_car TEGRA210_CLK_DMIC1>;
+ assigned-clock-parents = <&tegra_car TEGRA210_CLK_PLL_A_OUT0>;
+ assigned-clock-rates = <3072000>;
+ sound-name-prefix = "DMIC1";
+ };
+
+...