From patchwork Fri Jul 1 19:22:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Conor Dooley X-Patchwork-Id: 12903659 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EC99DCCA47F for ; Fri, 1 Jul 2022 19:24:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=o6tkGq7VgpRAHpMgzV6HTJ+MRW6DtM9478Gx04ltnhg=; b=iIJLO6LmV/77tq 9emLhcxBWmZrIizPkBrCLqMAzsvnHyg/94SVhX/dvTalmhjVGYdNnP4N5YO62W3D0M+PK6ObftfUn ZPUcVMT9ga+ExU6dL2OHlbvxrCHcyhP53h4ftbFKk0MEqZz+elUS/2TvucDQw7rw69jHqm3NHFx6j ZxVvCcmA8FmIg9Hb4DF3CxhhK/fylSFdSpoWGhVdDdcBiuP1MkaIrvniCYty4DHBNZCtY3iPxamJa vV+hwS4zbs8KnJKnOHYBzJlB70mCmxKdY+n2tef6OvZHRRaQ1ins9b87ZsxLGDwltEFAoYPrTMF+8 Pomlm7NRdmFCPsNu/AwQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o7MFL-006XM0-0d; Fri, 01 Jul 2022 19:24:07 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o7MFH-006XIT-F8 for linux-riscv@lists.infradead.org; Fri, 01 Jul 2022 19:24:05 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 8B18ACE34EE; Fri, 1 Jul 2022 19:24:01 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 518B6C385A2; Fri, 1 Jul 2022 19:23:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1656703439; bh=5IRTSJGvFO4OHAMn+9sgGglU08Ime9shNTeY7wLOS4w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HrIL0NFFH8GvPv14X6eBnhKCVhPnGfzzX07lePmAewtmHaPeitZxlRu5IOvEN8SlI 7G4EMoPHK8/OJfdGHElOOxvxKtHEGBTh//armumSOFz9SgygpEPyYZyqI3WB/e7umc AAIAZGIRKQ2ob/9ffk+5nMiI1uo9wHVqrT5J0L2sEEGf1q+qs3x0O8h7KlkxhudyOh xrIjmbssGpN0IuOXCgIgIzdSs3GD8enEK0Fj8RMS0uHS0tuu0OEkdYsa+XsIJHziFr 94Tt4K0kSGITB4vKyoCbTjhgRa3Lnz3LfdtzLexUetgtpQS8PsXArIyYWSE7rBcfEz Fb1GAc9SDJGTg== From: Conor Dooley To: David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski , Thierry Reding , Sam Ravnborg , Eugeniy Paltsev , Vinod Koul , Liam Girdwood , Mark Brown , Serge Semin , Daniel Lezcano , Palmer Dabbelt , Palmer Dabbelt Cc: Paul Walmsley , Albert Ou , Conor Dooley , Masahiro Yamada , Damien Le Moal , Geert Uytterhoeven , Niklas Cassel , Dillon Min , Jose Abreu , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, alsa-devel@alsa-project.org, linux-riscv@lists.infradead.org Subject: [PATCH v4 04/14] dt-bindings: dma: dw-axi-dmac: extend the number of interrupts Date: Fri, 1 Jul 2022 20:22:50 +0100 Message-Id: <20220701192300.2293643-5-conor@kernel.org> X-Mailer: git-send-email 2.37.0 In-Reply-To: <20220701192300.2293643-1-conor@kernel.org> References: <20220701192300.2293643-1-conor@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220701_122403_700008_4EC05223 X-CRM114-Status: GOOD ( 13.61 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Conor Dooley The Canaan k210 apparently has a Sysnopsys Designware AXI DMA controller, but according to the documentation & devicetree it has 6 interrupts rather than the standard one. Support the 6 interrupt configuration by unconditionally extending the binding to a maximum of 8 per-channel interrupts thereby matching the number of possible channels. Link: https://canaan-creative.com/wp-content/uploads/2020/03/kendryte_standalone_programming_guide_20190311144158_en.pdf #Page 51 Reviewed-by: Serge Semin Signed-off-by: Conor Dooley --- .../devicetree/bindings/dma/snps,dw-axi-dmac.yaml | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml index 4324a94b26b2..98c2ab18d04f 100644 --- a/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml +++ b/Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml @@ -34,7 +34,12 @@ properties: - const: axidma_apb_regs interrupts: - maxItems: 1 + description: | + If the IP-core synthesis parameter DMAX_INTR_IO_TYPE is set to 1, this + will be per-channel interrupts. Otherwise, this is a single combined IRQ + for all channels. + minItems: 1 + maxItems: 8 clocks: items: