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

From: Leo Li
Date: Fri May 17 2019 - 18:03:57 EST




> -----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)

> >
> > 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
> > >