From: Dmitry Osipenko Date: Sat, 4 Dec 2021 14:37:06 +0000 (+0300) Subject: ASoC: dt-bindings: tegra20-i2s: Document new nvidia,fixed-parent-rate property X-Git-Tag: v5.17-rc1~86^2~15^2~41^2~8 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=549818e5c85a6d806cdef146d0203df2689d4e2f;p=thirdparty%2Fkernel%2Flinux.git ASoC: dt-bindings: tegra20-i2s: Document new nvidia,fixed-parent-rate property Document new nvidia,fixed-parent-rate property which instructs that this board wants parent clock to stay at a fixed rate. It allows to prevent conflicts between audio components that share same parent PLL. For instance, this property allows to have HDMI audio, speaker and headphones in the system playing audio simultaneously, which is a common pattern for consumer devices. Reviewed-by: Rob Herring Signed-off-by: Dmitry Osipenko Link: https://lore.kernel.org/r/20211204143725.31646-4-digetx@gmail.com Signed-off-by: Mark Brown --- diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.yaml index ad43b237d9aff..68ae124eaf804 100644 --- a/Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.yaml +++ b/Documentation/devicetree/bindings/sound/nvidia,tegra20-i2s.yaml @@ -42,6 +42,13 @@ properties: - 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