From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerome Brunet Subject: [PATCH 08/15] ASoC: meson: add axg tdm interface DT bindings documentation Date: Tue, 17 Jul 2018 17:36:35 +0200 Message-ID: <20180717153643.8806-12-jbrunet@baylibre.com> References: <20180717153643.8806-1-jbrunet@baylibre.com> Return-path: In-Reply-To: <20180717153643.8806-1-jbrunet@baylibre.com> Sender: linux-kernel-owner@vger.kernel.org To: Mark Brown , Liam Girdwood , Kevin Hilman , Carlo Caione Cc: Jerome Brunet , alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org List-Id: devicetree@vger.kernel.org Add the DT bindings documentation for axg's TDM interfaces Signed-off-by: Jerome Brunet --- .../bindings/sound/amlogic,axg-tdm-iface.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/amlogic,axg-tdm-iface.txt diff --git a/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-iface.txt b/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-iface.txt new file mode 100644 index 000000000000..cabfb26a5f22 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-iface.txt @@ -0,0 +1,22 @@ +* Amlogic Audio TDM Interfaces + +Required properties: +- compatible: 'amlogic,axg-tdm-iface' +- clocks: list of clock phandle, one for each entry clock-names. +- clock-names: should contain the following: + * "sclk" : bit clock. + * "lrclk": sample clock + * "mclk" : master clock + -> optional if the interface is in clock slave mode. +- #sound-dai-cells: must be 0. + +Example of TDM_A on the A113 SoC: + +tdmif_a: audio-controller@0 { + compatible = "amlogic,axg-tdm-iface"; + #sound-dai-cells = <0>; + clocks = <&clkc_audio AUD_CLKID_MST_A_MCLK>, + <&clkc_audio AUD_CLKID_MST_A_SCLK>, + <&clkc_audio AUD_CLKID_MST_A_LRCLK>; + clock-names = "mclk", "sclk", "lrclk"; +}; -- 2.14.4