lkml.org 
[lkml]   [2022]   [May]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH v3 5/8] riscv: dts: microchip: make the fabric dtsi board specific
Date
Am Mittwoch, 4. Mai 2022, 08:48:24 CEST schrieb Conor.Dooley@microchip.com:
> On 04/05/2022 00:47, Heiko Stuebner wrote:
> > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> >
> > Am Sonntag, 1. Mai 2022, 21:25:56 CEST schrieb Conor Dooley:
> >> From: Conor Dooley <conor.dooley@microchip.com>
> >>
> >> Currently mpfs-fabric.dtsi is included by mpfs.dtsi - which is fine
> >> currently since there is only one board with this SoC upstream.
> >>
> >> However if another board was added, it would include the fabric contents
> >> of the Icicle Kit's reference design. To avoid this, rename
> >> mpfs-fabric.dtsi to mpfs-icicle-kit-fabric.dtsi & include it in the dts
> >> rather than mpfs.dtsi.
> >>
> >> Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
> >> ---
> >> .../microchip/{mpfs-fabric.dtsi => mpfs-icicle-kit-fabric.dtsi} | 2 ++
> >> arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts | 1 +
> >> arch/riscv/boot/dts/microchip/mpfs.dtsi | 1 -
> >> 3 files changed, 3 insertions(+), 1 deletion(-)
> >> rename arch/riscv/boot/dts/microchip/{mpfs-fabric.dtsi => mpfs-icicle-kit-fabric.dtsi} (91%)
> >>
> >> diff --git a/arch/riscv/boot/dts/microchip/mpfs-fabric.dtsi b/arch/riscv/boot/dts/microchip/mpfs-icicle-kit-fabric.dtsi
> >> similarity index 91%
> >> rename from arch/riscv/boot/dts/microchip/mpfs-fabric.dtsi
> >> rename to arch/riscv/boot/dts/microchip/mpfs-icicle-kit-fabric.dtsi
> >> index ccaac3371cf9..0d28858b83f2 100644
> >> --- a/arch/riscv/boot/dts/microchip/mpfs-fabric.dtsi
> >> +++ b/arch/riscv/boot/dts/microchip/mpfs-icicle-kit-fabric.dtsi
> >> @@ -2,6 +2,8 @@
> >> /* Copyright (c) 2020-2021 Microchip Technology Inc */
> >>
> >> / {
> >> + compatible = "microchip,mpfs-icicle-reference-rtlv2203", "microchip,mpfs";
> >> +
> >
> > I don't really understand the meaning of the added compatible yet.
>
>
> I added it for informational purposes more than anything else.
> The contents of this file match the 22.03 reference design for
> the icicle kit's FPGA fabric & an older version of the design
> may not have the i2c or pwm devices.

that makes sense, thanks for the explanation :-)

Reviewed-by: Heiko Stuebner <heiko@sntech.de>


> > It will get overridden by the compatible in the dts and also the
> > fabric dtsi for the polarberry does not contain a similar thing.
>
> I did not add one for the polarberry b/c it has (to my knowledge)
> no versioning scheme nor fabric peripherals in the design given
> to customers.
>
> Thanks,
> Conor.
>




\
 
 \ /
  Last update: 2022-05-04 09:14    [W:0.076 / U:0.432 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site