linux-kernel - [PATCH 10/12] arm64: dts: zynqmp: Add missing lpd watchdog node

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed,  2 Dec 2020 15:06:09 +0100
From:   Michal Simek <michal.simek@...inx.com>
To:     linux-kernel@...r.kernel.org, monstr@...str.eu,
        michal.simek@...inx.com, git@...inx.com
Cc:     Kalyani Akula <kalyani.akula@...inx.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Manish Narani <manish.narani@...inx.com>,
        Rajan Vaja <rajan.vaja@...inx.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 10/12] arm64: dts: zynqmp: Add missing lpd watchdog node

Xilinx ZynqMP SoC has FPD (Full Power Domain) and LPD (Low Power Domain)
watchdogs. There are cases where also LPD WDT should be used by Arm cores
that's why list it with disabled status.

Signed-off-by: Michal Simek <michal.simek@...inx.com>
---

 arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi | 4 ++++
 arch/arm64/boot/dts/xilinx/zynqmp.dtsi         | 9 +++++++++
 2 files changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
index 6a577e1383c1..3ca7e4ee51b5 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
@@ -223,3 +223,7 @@ &usb1 {
 &watchdog0 {
 	clocks = <&zynqmp_clk WDT>;
 };
+
+&lpd_watchdog {
+	clocks = <&zynqmp_clk LPD_WDT>;
+};
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 4312d4594dba..704696811116 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -808,5 +808,14 @@ watchdog0: watchdog@...d0000 {
 			reg = <0x0 0xfd4d0000 0x0 0x1000>;
 			timeout-sec = <10>;
 		};
+
+		lpd_watchdog: watchdog@...50000 {
+			compatible = "cdns,wdt-r1p2";
+			status = "disabled";
+			interrupt-parent = <&gic>;
+			interrupts = <0 52 1>;
+			reg = <0x0 0xff150000 0x0 0x1000>;
+			timeout-sec = <10>;
+		};
 	};
 };
-- 
2.29.2