From 7713a70034f2cb54168d134ac523fdfcdda92a13 Mon Sep 17 00:00:00 2001 From: Jerome Brunet Date: Tue, 17 Jul 2018 17:42:56 +0200 Subject: [PATCH] ASoC: meson: add axg tdm formatters DT bindings documentation Add the DT bindings documentation for axg's TDM formatters: TDMIN and TDMOUT. Signed-off-by: Jerome Brunet Signed-off-by: Mark Brown --- .../bindings/sound/amlogic,axg-tdm-formatters.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.txt diff --git a/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.txt b/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.txt new file mode 100644 index 0000000..1c1b749 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/amlogic,axg-tdm-formatters.txt @@ -0,0 +1,28 @@ +* Amlogic Audio TDM formatters + +Required properties: +- compatible: 'amlogic,axg-tdmin' or + 'amlogic,axg-tdmout' +- reg: physical base address of the controller and length of memory + mapped region. +- clocks: list of clock phandle, one for each entry clock-names. +- clock-names: should contain the following: + * "pclk" : peripheral clock. + * "sclk" : bit clock. + * "sclk_sel" : bit clock input multiplexer. + * "lrclk" : sample clock + * "lrclk_sel": sample clock input multiplexer + +Example of TDMOUT_A on the A113 SoC: + +tdmout_a: audio-controller@500 { + compatible = "amlogic,axg-tdmout"; + reg = <0x0 0x500 0x0 0x40>; + clocks = <&clkc_audio AUD_CLKID_TDMOUT_A>, + <&clkc_audio AUD_CLKID_TDMOUT_A_SCLK>, + <&clkc_audio AUD_CLKID_TDMOUT_A_SCLK_SEL>, + <&clkc_audio AUD_CLKID_TDMOUT_A_LRCLK>, + <&clkc_audio AUD_CLKID_TDMOUT_A_LRCLK>; + clock-names = "pclk", "sclk", "sclk_sel", + "lrclk", "lrclk_sel"; +}; -- 2.7.4