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

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Date:   Mon, 24 Aug 2020 12:05:42 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     linux-kernel@...r.kernel.org, monstr@...str.eu,
        michal.simek@...inx.com, 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>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] arm64: dts: zynqmp: Rename buses to be align with simple-bus yaml

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