linux-kernel - RE: [EXT] Re: [PATCH] arm64: dts: ls1028a: fix watchdog device node

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Message-ID: <AM6PR04MB4357C78FCEBA1B00AA42ED2E970B0@AM6PR04MB4357.eurprd04.prod.outlook.com>
Date:   Fri, 17 May 2019 06:10:59 +0000
From:   Chuanhua Han <chuanhua.han@....com>
To:     Shawn Guo <shawnguo@...nel.org>
CC:     Leo Li <leoyang.li@....com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Ying Zhang <ying.zhang22455@....com>
Subject: RE: [EXT] Re: [PATCH] arm64: dts: ls1028a: fix watchdog device node



> -----Original Message-----
> From: Shawn Guo <shawnguo@...nel.org>
> Sent: 2019年5月17日 10:38
> To: Chuanhua Han <chuanhua.han@....com>
> Cc: Leo Li <leoyang.li@....com>; mark.rutland@....com;
> linux-arm-kernel@...ts.infradead.org; devicetree@...r.kernel.org;
> linux-kernel@...r.kernel.org; Ying Zhang <ying.zhang22455@....com>
> Subject: [EXT] Re: [PATCH] arm64: dts: ls1028a: fix watchdog device node
> 
> Caution: EXT Email
> 
> On Thu, May 09, 2019 at 03:06:57PM +0800, Chuanhua Han wrote:
> > ls1028a platform uses sp805 watchdog, and use 1/16 platform clock as
> > timer clock, this patch fix device tree node.
> >
> > Signed-off-by: Zhang Ying-22455 <ying.zhang22455@....com>
> > Signed-off-by: Chuanhua Han <chuanhua.han@....com>
> > ---
> >  .../arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 19
> > ++++++++++++-------
> >  1 file changed, 12 insertions(+), 7 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> > b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> > index b04581249f0b..1510b1858246 100644
> > --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
> > @@ -285,13 +285,18 @@
> >                       #interrupt-cells = <2>;
> >               };
> >
> > -             wdog0: watchdog@...0000 {
> > -                     compatible = "fsl,ls1028a-wdt", "fsl,imx21-wdt";
> > -                     reg = <0x0 0x23c0000 0x0 0x10000>;
> > -                     interrupts = <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>;
> > -                     clocks = <&clockgen 4 1>;
> > -                     big-endian;
> > -                     status = "disabled";
> > +             cluster1_core0_watchdog: wdt@...0000 {
> 
> Keep 'watchdog' as the node name,
Thanks for your replay
Do you mean replace the ‘wdt’ with ‘watchdog’?
and keep nodes sort in unit-address.
What does this mean?
> 
> Shawn
> 
> > +                     compatible = "arm,sp805", "arm,primecell";
> > +                     reg = <0x0 0xc000000 0x0 0x1000>;
> > +                     clocks = <&clockgen 4 15>, <&clockgen 4 15>;
> > +                     clock-names = "apb_pclk", "wdog_clk";
> > +             };
> > +
> > +             cluster1_core1_watchdog: wdt@...0000 {
> > +                     compatible = "arm,sp805", "arm,primecell";
> > +                     reg = <0x0 0xc010000 0x0 0x1000>;
> > +                     clocks = <&clockgen 4 15>, <&clockgen 4 15>;
> > +                     clock-names = "apb_pclk", "wdog_clk";
> >               };
> >
> >               sata: sata@...0000 {
> > --
> > 2.17.1
> >