diff options
| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2022-02-07 19:01:37 +0300 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2022-02-07 19:03:24 +0300 |
| commit | 542898c5aa5c6a3179dffb1d1606884a63f75fed (patch) | |
| tree | ba096d8eab6a4230782333a036b5de578456eec0 /Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.yaml | |
| parent | ccbeca4ca04302d129602093c8d611065e3f7958 (diff) | |
| parent | 53dbee4926d3706ca9e03f3928fa85b5ec3bc0cc (diff) | |
| download | linux-542898c5aa5c6a3179dffb1d1606884a63f75fed.tar.xz | |
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
First backmerge into drm-misc-next. Required for more helpers backmerged,
and to pull in 5.17 (rc2).
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.yaml | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.yaml new file mode 100644 index 000000000000..68ae124eaf80 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/nvidia,tegra20-i2s.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NVIDIA Tegra20 I2S Controller + +description: | + The I2S Controller streams synchronous serial audio data between system + memory and an external audio device. The controller supports the I2S Left + Justified Mode, Right Justified Mode, and DSP mode formats. + +maintainers: + - Thierry Reding <treding@nvidia.com> + - Jon Hunter <jonathanh@nvidia.com> + +properties: + compatible: + const: nvidia,tegra20-i2s + + reg: + maxItems: 1 + + resets: + maxItems: 1 + + reset-names: + const: i2s + + interrupts: + maxItems: 1 + + clocks: + minItems: 1 + + dmas: + minItems: 2 + + dma-names: + items: + - const: rx + - const: tx + + nvidia,fixed-parent-rate: + description: | + Specifies whether board prefers parent clock to stay at a fixed rate. + This allows multiple Tegra20 audio components work simultaneously by + limiting number of supportable audio rates. + type: boolean + +required: + - compatible + - reg + - resets + - reset-names + - interrupts + - clocks + - dmas + - dma-names + +additionalProperties: false + +examples: + - | + i2s@70002800 { + compatible = "nvidia,tegra20-i2s"; + reg = <0x70002800 0x200>; + interrupts = <45>; + clocks = <&tegra_car 11>; + resets = <&tegra_car 11>; + reset-names = "i2s"; + dmas = <&apbdma 21>, <&apbdma 21>; + dma-names = "rx", "tx"; + }; + +... |