linux-kernel - [PATCH v12 2/5] arm64: zynqmp: DT: Add Xilinx AMS node

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Date:   Fri, 3 Dec 2021 21:23:55 +0000
From:   Anand Ashok Dumbre <anand.ashok.dumbre@...inx.com>
To:     <linux-kernel@...r.kernel.org>, <jic23@...nel.org>,
        <lars@...afoo.de>, <linux-iio@...r.kernel.org>, <git@...inx.com>,
        <michals@...inx.com>, <gregkh@...uxfoundation.org>,
        <rafael@...nel.org>, <linux-acpi@...r.kernel.org>,
        <heikki.krogerus@...ux.intel.com>
CC:     Anand Ashok Dumbre <anand.ashok.dumbre@...inx.com>,
        Manish Narani <manish.narani@...inx.com>
Subject: [PATCH v12 2/5] arm64: zynqmp: DT: Add Xilinx AMS node

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@...inx.com>
Signed-off-by: Manish Narani <manish.narani@...inx.com>
Signed-off-by: Anand Ashok Dumbre <anand.ashok.dumbre@...inx.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@...50000 {
+			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@...c0000 {
 			compatible = "xlnx,zynqmp-dpdma";
 			status = "disabled";
-- 
2.17.1