| Message ID | 1585150731-3354-3-git-send-email-abel.vesa@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add generic MFD i.MX mix and audiomix support | expand |
On Wed, Mar 25, 2020 at 05:38:40PM +0200, Abel Vesa wrote: > 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 <abel.vesa@nxp.com> > --- > .../devicetree/bindings/mfd/fsl,imx-audiomix.txt | 34 ++++++++++++++++++++++ > 1 file changed, 34 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/fsl,imx-audiomix.txt Please use DT schema format. > 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>; None of these clocks are needed for the other functions in this MFD. I'm not all that convinced that these child nodes are needed. A single node can be a clock and reset provider. If you have other things to add to the binding, do so now even if you don't have driver support. > + clock-names = "audio_root", > + "audio_ahb", > + "audio_axi_div"; > + }; > + > + audiomix_reset: reset-controller { > + compatible = "fsl,imx8mp-audiomix-reset"; > + #reset-cells = <1>; > + }; > + }; > -- > 2.7.4 >
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>; + }; + };
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 <abel.vesa@nxp.com> --- .../devicetree/bindings/mfd/fsl,imx-audiomix.txt | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/fsl,imx-audiomix.txt