linux-kernel - [PATCH v2] arm64: dts: rockchip: fix the address map for WDT0 and WDT1

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Date:   Fri, 26 Aug 2016 18:48:01 +0800
From:   Xing Zheng <zhengxing@...k-chips.com>
To:     linux-rockchip@...ts.infradead.org
Cc:     dianders@...omium.org, heiko@...ech.de, jay.xu@...k-chips.com,
        huangtao@...k-chips.com, Xing Zheng <zhengxing@...k-chips.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Caesar Wang <wxt@...k-chips.com>,
        Brian Norris <briannorris@...omium.org>,
        Elaine Zhang <zhangqing@...k-chips.com>,
        David Wu <david.wu@...k-chips.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] arm64: dts: rockchip: fix the address map for WDT0 and WDT1

To rename "watchdog" to "watchdog0" explicitly for looking up.
Dues to incorrect description in the TRM, the WDTs base address
should be fixed and swap them like this:
WDT0 - 0xff848000
WDT1 - 0xff840000

And, it is right that only WDT0 can generate global software reset.
We will update the TRM to fix it.

Signed-off-by: Xing Zheng <zhengxing@...k-chips.com>
---

Changes in v2:
- rename node name "watchdog" to "watchdog0" explicitly

 arch/arm64/boot/dts/rockchip/rk3399.dtsi |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index bc86e8c..1e714a9 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -1002,9 +1002,9 @@
 		};
 	};
 
-	watchdog@...40000 {
+	watchdog0@...48000 {
 		compatible = "snps,dw-wdt";
-		reg = <0x0 0xff840000 0x0 0x100>;
+		reg = <0x0 0xff848000 0x0 0x100>;
 		clocks = <&cru PCLK_WDT>;
 		interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
 	};
-- 
1.7.9.5