[PATCH v2 02/13] Documentation: mfd: Add DT bindings for i.MX Audiomix
From: Abel Vesa <hidden>
Date: 2020-03-25 15:40:13
Also in:
linux-arm-kernel, linux-clk, lkml
Subsystem:
multifunction devices (mfd), open firmware and flattened device tree bindings, the rest · Maintainers:
Lee Jones, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
The i.MX Audiomix is a mix of clock gates, reset bits and some other i.MX audio specific functionalities. Add information for the MFD, its clock and reset controllers. Signed-off-by: Abel Vesa <redacted> --- .../devicetree/bindings/mfd/fsl,imx-audiomix.txt | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/fsl,imx-audiomix.txt
diff --git a/Documentation/devicetree/bindings/mfd/fsl,imx-audiomix.txt b/Documentation/devicetree/bindings/mfd/fsl,imx-audiomix.txt
new file mode 100644
index 00000000..1622818
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/fsl,imx-audiomix.txt@@ -0,0 +1,34 @@ +Freescale i.MX Audiomix +====================================== + +Audiomix is a conglomerate of different functionalities. + +Required properties: +- compatible: Should be "fsl,<chip>-mix" for the MFD device + Should be"fsl,<chip>-audiomix-clk" for the clock controller + Should be"fsl,<chip>-audiomix-reset" for the reset controller + Some functionalities of the audiomix will be registered as syscon. +- reg: should be register base and length as documented in the + datasheet + +example: + audiomix: audiomix@30e20000 { + compatible = "fsl,imx8mp-mix"; + reg = <0x30e20000 0x10000>; + + audiomix_clk: clock-controller { + compatible = "fsl,imx8mp-audiomix-clk"; + #clock-cells = <1>; + clocks = <&clk IMX8MP_CLK_AUDIO_ROOT>, + <&clk IMX8MP_CLK_AUDIO_AHB>, + <&clk IMX8MP_CLK_AUDIO_AXI_DIV>; + clock-names = "audio_root", + "audio_ahb", + "audio_axi_div"; + }; + + audiomix_reset: reset-controller { + compatible = "fsl,imx8mp-audiomix-reset"; + #reset-cells = <1>; + }; + };
--
2.7.4