| Message ID | 20211203212358.31444-3-anand.ashok.dumbre@xilinx.com (mailing list archive) |
|---|---|
| State | Handled Elsewhere, archived |
| Headers | show |
| Series | Add Xilinx AMS Driver | expand |
On Fri, 03 Dec 2021 21:23:55 +0000, Anand Ashok Dumbre wrote: > The Xilinx AMS includes an ADC as well as on-chip sensors that can be > used to sample external and monitor on-die operating conditions, such as > temperature and supply voltage levels. > > Co-developed-by: Manish Narani <manish.narani@xilinx.com> > Signed-off-by: Manish Narani <manish.narani@xilinx.com> > Signed-off-by: Anand Ashok Dumbre <anand.ashok.dumbre@xilinx.com> > --- > arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi > index 74e66443e4ce..ab96708fe65e 100644 > --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi > +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi > @@ -878,6 +878,30 @@ > timeout-sec = <10>; > }; > > + xilinx_ams: ams@ffa50000 { > + compatible = "xlnx,zynqmp-ams"; > + status = "disabled"; > + interrupt-parent = <&gic>; > + interrupts = <0 56 4>; > + reg = <0x0 0xffa50000 0x0 0x800>; > + #address-cells = <1>; > + #size-cells = <1>; > + #io-channel-cells = <1>; > + ranges = <0 0 0xffa50800 0x800>; > + > + ams_ps: ams-ps@0 { > + compatible = "xlnx,zynqmp-ams-ps"; > + status = "disabled"; > + reg = <0 0x400>; > + }; > + > + ams_pl: ams-pl@400 { > + compatible = "xlnx,zynqmp-ams-pl"; > + status = "disabled"; > + reg = <0x400 0x400>; > + }; > + }; > + The patch should also add the xilinx_ams node to arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi as: &xilinx_ams { clocks = <&zynqmp_clk AMS_REF>; }; Otherwise the driver fails to find the clock during probe. Michael > zynqmp_dpdma: dma-controller@fd4c0000 { > compatible = "xlnx,zynqmp-dpdma"; > status = "disabled"; > -- > 2.17.1
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi index 74e66443e4ce..ab96708fe65e 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi @@ -878,6 +878,30 @@ timeout-sec = <10>; }; + xilinx_ams: ams@ffa50000 { + compatible = "xlnx,zynqmp-ams"; + status = "disabled"; + interrupt-parent = <&gic>; + interrupts = <0 56 4>; + reg = <0x0 0xffa50000 0x0 0x800>; + #address-cells = <1>; + #size-cells = <1>; + #io-channel-cells = <1>; + ranges = <0 0 0xffa50800 0x800>; + + ams_ps: ams-ps@0 { + compatible = "xlnx,zynqmp-ams-ps"; + status = "disabled"; + reg = <0 0x400>; + }; + + ams_pl: ams-pl@400 { + compatible = "xlnx,zynqmp-ams-pl"; + status = "disabled"; + reg = <0x400 0x400>; + }; + }; + zynqmp_dpdma: dma-controller@fd4c0000 { compatible = "xlnx,zynqmp-dpdma"; status = "disabled";