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Message-Id: <1539749466-3912-5-git-send-email-open.sudheer@gmail.com>
Date: Wed, 17 Oct 2018 09:41:01 +0530
From: "sudheer.v" <open.sudheer@...il.com>
To: Vinod Koul <vkoul@...nel.org>, Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Joel Stanley <joel@....id.au>,
Andrew Jeffery <andrew@...id.au>,
Russell King <linux@...linux.org.uk>,
Dan Williams <dan.j.williams@...el.com>,
Jiri Slaby <jslaby@...e.com>,
Thomas Gleixner <tglx@...utronix.de>,
Marc Zyngier <marc.zyngier@....com>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Christian Borntraeger <borntraeger@...ibm.com>,
Michael Moese <mmoese@...e.de>,
Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>,
Kate Stewart <kstewart@...uxfoundation.org>,
Philippe Ombredanne <pombredanne@...b.com>,
dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-aspeed@...ts.ozlabs.org
Cc: "sudheer.v" <open.sudheer@...il.com>,
Sudheer V <sudheer.veliseti@...eedtech.com>,
ShivahShankar Shakarnarayan rao
<shivahshankar.shankarnarayanrao@...eedtech.com>
Subject: [[PATCH] 4/9] Documentation-DTbindings-DMA-controller-of-AST2500
Signed-off-by: sudheer.v <open.sudheer@...il.com>
---
.../devicetree/bindings/dma/ast-uart-sdma.txt | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 Documentation/devicetree/bindings/dma/ast-uart-sdma.txt
diff --git a/Documentation/devicetree/bindings/dma/ast-uart-sdma.txt b/Documentation/devicetree/bindings/dma/ast-uart-sdma.txt
new file mode 100644
index 0000000..e770df2
--- /dev/null
+++ b/Documentation/devicetree/bindings/dma/ast-uart-sdma.txt
@@ -0,0 +1,23 @@
+* Aspeed Direct Memory Access (DMA) Controller for AST25XX
+
+
+* DMA controller
+
+Required properties:
+- compatible : Should be "aspeed,ast-uart-sdma"
+- reg : Should contain SDMA registers location and length
+- interrupts : Should contain SDMA interrupt
+- dma-channels: number of DMA channels in DMA controller
+
+Optional properties:
+
+Example
+ ast_uart_sdma: uart_sdma@...9e000 {
+ compatible = "aspeed,ast-uart-sdma";
+ reg = <0x1e79e000 0x400>;
+ interrupts = <50>;
+ #dma-cells = <1>;
+ dma-channels = <8>;
+ status = "disabled";
+ };
+
--
1.9.1
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