linux-kernel - Re: [PATCH] arm64: dts: zynqmp: Rename buses to be align with simple-bus yaml

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Date:   Tue, 29 Sep 2020 12:57:06 +0200
From:   Michal Simek <monstr@...str.eu>
To:     LKML <linux-kernel@...r.kernel.org>,
        Michal Simek <monstr@...str.eu>, git <git@...inx.com>
Cc:     Kalyani Akula <kalyani.akula@...inx.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Manish Narani <manish.narani@...inx.com>,
        Michael Tretter <m.tretter@...gutronix.de>,
        Nava kishore Manne <nava.manne@...inx.com>,
        Rajan Vaja <rajan.vaja@...inx.com>,
        Rob Herring <robh+dt@...nel.org>,
        DTML <devicetree@...r.kernel.org>,
        linux-arm <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] arm64: dts: zynqmp: Rename buses to be align with
 simple-bus yaml

po 24. 8. 2020 v 12:05 odesílatel Michal Simek <michal.simek@...inx.com> napsal:
>
> Rename amba-apu and amba to AXI. Based on Xilinx ZynqMP TRM (Chapter 15)
> chip is "using the advanced eXtensible interface (AXI) point-to-point
> channels for communicating addresses, data, and response transactions
> between master and slave clients."
>
> Issues are reported as:
> ...: amba: $nodename:0: 'amba' does not match
> '^([a-z][a-z0-9\\-]+-bus|bus|soc|axi|ahb|apb)(@[0-9a-f]+)?$'
>         From schema: .../dt-schema/dtschema/schemas/simple-bus.yaml
> ...: amba-apu@0: $nodename:0: 'amba-apu@0' does not match
> '^([a-z][a-z0-9\\-]+-bus|bus|soc|axi|ahb|apb)(@[0-9a-f]+)?$'
>         From schema: .../dt-schema/dtschema/schemas/simple-bus.yaml
>
> Signed-off-by: Michal Simek <michal.simek@...inx.com>
> ---
>
> The only one problem with this patch is that it breaks paths in
> /proc/device-tree/.
> ---
>  arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> index 165a95a106c8..98073f3223e5 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> @@ -182,7 +182,7 @@ fpga_full: fpga-full {
>                 ranges;
>         };
>
> -       amba_apu: amba-apu@0 {
> +       amba_apu: axi@0 {
>                 compatible = "simple-bus";
>                 #address-cells = <2>;
>                 #size-cells = <1>;
> @@ -201,7 +201,7 @@ gic: interrupt-controller@...10000 {
>                 };
>         };
>
> -       amba: amba {
> +       amba: axi {
>                 compatible = "simple-bus";
>                 #address-cells = <2>;
>                 #size-cells = <2>;
> --
> 2.28.0
>

Applied.
M

-- 
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs