[PATCH v2 1/3] ASoC: zx-tdm: add bindings doc for zte's tdm controller
From: Baoyou Xie <hidden>
Date: 2017-02-16 11:05:24
Also in:
alsa-devel, linux-devicetree, lkml
Subsystem:
open firmware and flattened device tree bindings, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Liam Girdwood, Mark Brown, Linus Torvalds
This patch adds dt-binding documentation for zte's tdm controller. Signed-off-by: Baoyou Xie <redacted> --- .../devicetree/bindings/sound/zte,tdm.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/zte,tdm.txt
diff --git a/Documentation/devicetree/bindings/sound/zte,tdm.txt b/Documentation/devicetree/bindings/sound/zte,tdm.txt
new file mode 100644
index 0000000..8ffc39e
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/zte,tdm.txt@@ -0,0 +1,30 @@ +ZTE TDM DAI driver + +Required properties: + +- compatible : should be one of the following. + * zte,zx296718-tdm +- reg : physical base address of the controller and length of memory mapped + region. +- clocks : Pairs of phandle and specifier referencing the controller's clocks. +- clock-names: "wclk" for the wclk. + "pclk" for the pclk. +-#clock-cells: should be 1. +- zte,tdm-dma-sysctrl : Reference to the sysctrl controller controlling + the dma. includes: + phandle of sysctrl. + register offset in sysctrl for control dma. + mask of the register that be written to sysctrl. + +Example: + + tdm: tdm at 1487000 { + compatible = "zte,zx296718-tdm"; + reg = <0x01487000 0x1000>; + clocks = <&audiocrm AUDIO_TDM_WCLK>, <&audiocrm AUDIO_TDM_PCLK>; + clock-names = "wclk", "pclk"; + #clock-cells = <1>; + pinctrl-names = "default"; + pinctrl-0 = <&tdm_global_pin>; + zte,tdm-dma-sysctrl = <&sysctrl 0x10c 4>; + };
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2.7.4