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

From: Leo Li
Date: Tue May 21 2019 - 16:17:37 EST




> -----Original Message-----
> From: Chuanhua Han
> Sent: Tuesday, May 21, 2019 8:00 AM
> To: Leo Li <leoyang.li@xxxxxxx>; Shawn Guo <shawnguo@xxxxxxxxxx>
> Cc: mark.rutland@xxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Ying Zhang
> <ying.zhang22455@xxxxxxx>
> Subject: RE: [EXT] Re: [PATCH] arm64: dts: ls1028a: fix watchdog device node
>
>
>
> > -----Original Message-----
> > From: Leo Li
> > Sent: 2019年5月18日 6:01
> > To: Chuanhua Han <chuanhua.han@xxxxxxx>; Shawn Guo
> > <shawnguo@xxxxxxxxxx>
> > Cc: mark.rutland@xxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> > devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Ying Zhang
> > <ying.zhang22455@xxxxxxx>
> > Subject: RE: [EXT] Re: [PATCH] arm64: dts: ls1028a: fix watchdog
> > device node
> >
> >
> >
> > > -----Original Message-----
> > > From: Chuanhua Han
> > > Sent: Friday, May 17, 2019 1:11 AM
> > > To: Shawn Guo <shawnguo@xxxxxxxxxx>
> > > Cc: Leo Li <leoyang.li@xxxxxxx>; mark.rutland@xxxxxxx; linux-arm-
> > > kernel@xxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-
> > > kernel@xxxxxxxxxxxxxxx; Ying Zhang <ying.zhang22455@xxxxxxx>
> > > Subject: RE: [EXT] Re: [PATCH] arm64: dts: ls1028a: fix watchdog
> > > device node
> > >
> > >
> > >
> > > > -----Original Message-----
> > > > From: Shawn Guo <shawnguo@xxxxxxxxxx>
> > > > Sent: 2019年5月17日 10:38
> > > > To: Chuanhua Han <chuanhua.han@xxxxxxx>
> > > > Cc: Leo Li <leoyang.li@xxxxxxx>; mark.rutland@xxxxxxx;
> > > > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
> > > > linux-kernel@xxxxxxxxxxxxxxx; Ying Zhang <ying.zhang22455@xxxxxxx>
> > > > 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@xxxxxxx>
> > > > > Signed-off-by: Chuanhua Han <chuanhua.han@xxxxxxx>
> > > > > ---
> > > > > .../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@23c0000 {
> > > > > - 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@c000000 {
> > > >
> > > > 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?
> >
> > That means order the nodes by the addresses (e.g. c000000, c010000)
> The current order is correct(The first is c000000, then c000000).

But they are added after gpio@2320000 and before sata@3200000.

> >
> > > >
> > > > 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@c010000 {
> > > > > + 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@3200000 {
> > > > > --
> > > > > 2.17.1
> > > > >