From: "sudheer.v" <open.sudheer@gmail.com>
To: Vinod Koul <vkoul@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Joel Stanley <joel@jms.id.au>, Andrew Jeffery <andrew@aj.id.au>,
Russell King <linux@armlinux.org.uk>,
Dan Williams <dan.j.williams@intel.com>,
Jiri Slaby <jslaby@suse.com>,
Thomas Gleixner <tglx@linutronix.de>,
Marc Zyngier <marc.zyngier@arm.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Michael Moese <mmoese@suse.de>,
Hendrik Brueckner <brueckner@linux.vnet.ibm.com>,
Kate Stewart <kstewart@linuxfoundation.org>,
Philippe Ombredanne <pombredanne@nexb.com>,
dmaengine@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-aspeed@lists.ozlabs.org
Cc: "sudheer.v" <open.sudheer@gmail.com>,
Sudheer V <sudheer.veliseti@aspeedtech.com>,
ShivahShankar Shakarnarayan rao
<shivahshankar.shankarnarayanrao@aspeedtech.com>
Subject: [[PATCH] 4/9] Documentation-DTbindings-DMA-controller-of-AST2500
Date: Wed, 17 Oct 2018 09:41:01 +0530 [thread overview]
Message-ID: <1539749466-3912-5-git-send-email-open.sudheer@gmail.com> (raw)
Signed-off-by: sudheer.v <open.sudheer@gmail.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@1e79e000 {
+ compatible = "aspeed,ast-uart-sdma";
+ reg = <0x1e79e000 0x400>;
+ interrupts = <50>;
+ #dma-cells = <1>;
+ dma-channels = <8>;
+ status = "disabled";
+ };
+
reply other threads:[~2018-10-17 4:11 UTC|newest]
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