Subject: Re: [PATCH 1/4] arm64: dts: zynqmp: add AMS driver to device tree

From: Michael Tretter <[email-masked]>
Date: Tue, 25 Jan 2022 09:02:07 +0100

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 <[email-masked]>

Reviewed-by: Michael Tretter <[email-masked]>

> ---
>  .../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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