linux-kernel - [PATCH v2 09/16] riscv: dts: canaan: add a specific compatible for k210's dma

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Message-Id: <20220627194003.2395484-10-mail@conchuod.ie>
Date:   Mon, 27 Jun 2022 20:39:57 +0100
From:   Conor Dooley <mail@...chuod.ie>
To:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>,
        Vinod Koul <vkoul@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Serge Semin <fancer.lancer@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Palmer Dabbelt <palmer@...osinc.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Niklas Cassel <niklas.cassel@....com>,
        Dillon Min <dillon.minfei@...il.com>,
        Heng Sia <jee.heng.sia@...el.com>,
        Jose Abreu <joabreu@...opsys.com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org,
        alsa-devel@...a-project.org, linux-spi@...r.kernel.org,
        linux-riscv@...ts.infradead.org
Subject: [PATCH v2 09/16] riscv: dts: canaan: add a specific compatible for k210's dma

From: Conor Dooley <conor.dooley@...rochip.com>

The DMAC on the k210 has a non standard interrupt configuration, which
leads to dtbs_check warnings:

k210_generic.dtb: dma-controller@...00000: interrupts: [[27], [28], [29], [30], [31], [32]] is too long
>From schema: Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml

Update the binding to use a custom compatible to avoid the warning.

Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
 arch/riscv/boot/dts/canaan/k210.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/boot/dts/canaan/k210.dtsi b/arch/riscv/boot/dts/canaan/k210.dtsi
index cd4eae82d8b2..45ccab36618a 100644
--- a/arch/riscv/boot/dts/canaan/k210.dtsi
+++ b/arch/riscv/boot/dts/canaan/k210.dtsi
@@ -143,7 +143,7 @@ gpio0: gpio-controller@...01000 {
 		};
 
 		dmac0: dma-controller@...00000 {
-			compatible = "snps,axi-dma-1.01a";
+			compatible = "canaan,k210-axi-dma", "snps,axi-dma-1.01a";
 			reg = <0x50000000 0x1000>;
 			interrupts = <27>, <28>, <29>, <30>, <31>, <32>;
 			#dma-cells = <1>;
-- 
2.36.1