linux-kernel - [PATCH v7 1/4] arm64: zynqmp: DT: Add Xilinx AMS node

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Date:   Tue, 19 Oct 2021 16:20:45 +0100
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>,
        <michal.simek@...inx.com>, <pmeerw@...erw.net>,
        <devicetree@...r.kernel.org>
CC:     Anand Ashok Dumbre <anand.ashok.dumbre@...inx.com>,
        Manish Narani <manish.narani@...inx.com>
Subject: [PATCH v7 1/4] 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.

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 | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 28dccb891a53..b12e0cd0adfd 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0+
+// SPDX-License-Identifier: GPL-2.0
 /*
  * dts file for Xilinx ZynqMP
  *
@@ -849,6 +849,30 @@
 			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