On Wed, 19 Jan 2022 19:02:43 -0600, Robert Hancock wrote:
> Add an entry to the ZynqMP device tree to support the AMS device which
> now has a driver in mainline.
>
> Signed-off-by: Robert Hancock <robert.hancock@xxxxxxxxxx>
Reviewed-by: Michael Tretter <m.tretter@xxxxxxxxxxxxxx>
> ---
> .../arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi | 4 +++
> arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 26 +++++++++++++++++++
> 2 files changed, 30 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
> index 1e0b1bca7c94..108592104a1b 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
> @@ -239,6 +239,10 @@ &lpd_watchdog {
> clocks = <&zynqmp_clk LPD_WDT>;
> };
>
> +&xilinx_ams {
> + clocks = <&zynqmp_clk AMS_REF>;
> +};
> +
> &zynqmp_dpdma {
> clocks = <&zynqmp_clk DPDMA_REF>;
> };
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> index 74e66443e4ce..d1fe1e5b46c1 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> @@ -878,6 +878,32 @@ lpd_watchdog: watchdog@ff150000 {
> 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 = <0x0 0x400>;
> + };
> +
> + ams_pl: ams_pl@400 {
> + compatible = "xlnx,zynqmp-ams-pl";
> + status = "disabled";
> + reg = <0x400 0x400>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + };
> + };
> +
> zynqmp_dpdma: dma-controller@fd4c0000 {
> compatible = "xlnx,zynqmp-dpdma";
> status = "disabled";
> --
> 2.31.1
>
>
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