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Thu, 20 Sep 2018 06:48:07 +0000 Received: from [210.61.82.183] (helo=mailgw01.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1g2sew-0000PQ-Jw; Thu, 20 Sep 2018 06:42:05 +0000 X-UUID: 3d743ae4ccb9445892b222e8f3b60df5-20180920 Received: from mtkcas09.mediatek.inc [(172.21.101.178)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1765469941; Thu, 20 Sep 2018 14:41:38 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1210.3; Thu, 20 Sep 2018 14:41:36 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1210.3 via Frontend Transport; Thu, 20 Sep 2018 14:41:35 +0800 From: Long Cheng To: Vinod Koul , Rob Herring , Mark Rutland Subject: [PATCH 1/4] dt-bindings: dma: uart: add uart dma bindings Date: Thu, 20 Sep 2018 14:41:10 +0800 Message-ID: <1537425673-18807-2-git-send-email-long.cheng@mediatek.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1537425673-18807-1-git-send-email-long.cheng@mediatek.com> References: <1537425673-18807-1-git-send-email-long.cheng@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: E30A2FDC9B276636E2217E4481B3B476A3667A02CF048F78A8DDC00598E56DA62000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180919_234154_822488_405CC577 X-CRM114-Status: GOOD ( 10.04 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, Greg Kroah-Hartman , linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, Long Cheng , linux-mediatek@lists.infradead.org, linux-serial@vger.kernel.org, Jiri Slaby , Matthias Brugger , Yingjoe Chen , Dan Williams , Ed Blake , linux-arm-kernel@lists.infradead.org Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP add uart dma bindings Signed-off-by: Long Cheng Reviewed-by: Rob Herring --- .../devicetree/bindings/dma/8250_mtk_dma.txt | 32 ++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/8250_mtk_dma.txt diff --git a/Documentation/devicetree/bindings/dma/8250_mtk_dma.txt b/Documentation/devicetree/bindings/dma/8250_mtk_dma.txt new file mode 100644 index 0000000..b140cf4 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/8250_mtk_dma.txt @@ -0,0 +1,32 @@ +* Mediatek UART APDMA Controller + +Required properties: +- compatible should contain: + * "mediatek,mt2712-uart-dma" for MT2712 compatible APDMA + * "mediatek,mt6577-uart-dma" for MT6577 and all of the above + +- reg: The base address of the APDMA register bank. + +- interrupts: A single interrupt specifier. + +- clocks : Must contain an entry for each entry in clock-names. + See ../clocks/clock-bindings.txt for details. +- clock-names: The APDMA clock for register accesses + +Examples: + + apdma: dma-controller@11000380 { + compatible = "mediatek,mt2712-uart-dma"; + reg = <0 0x11000380 0 0x400>; + interrupts = , + , + , + , + , + , + , + ; + clocks = <&pericfg CLK_PERI_AP_DMA>; + clock-names = "apdma"; + #dma-cells = <1>; + }; \ No newline at end of file