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From: Yuan Yao <yao.yuan@freescale.com>
To: <wsa@the-dreams.de>, <marex@denx.de>
Cc: <mark.rutland@arm.com>, <shawn.guo@linaro.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-i2c@vger.kernel.org>
Subject: [PATCH v5 2/2] Documentation:add DMA support for freescale i2c driver
Date: Wed, 23 Jul 2014 16:24:43 +0800	[thread overview]
Message-ID: <1406103883-3572-3-git-send-email-yao.yuan@freescale.com> (raw)
In-Reply-To: <1406103883-3572-1-git-send-email-yao.yuan@freescale.com>

Add i2c dts node properties for eDMA support, them depend on the eDMA driver.

Signed-off-by: Yuan Yao <yao.yuan@freescale.com>
---
 Documentation/devicetree/bindings/i2c/i2c-imx.txt | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx.txt b/Documentation/devicetree/bindings/i2c/i2c-imx.txt
index 4a8513e..52d37fd 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-imx.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-imx.txt
@@ -11,6 +11,8 @@ Required properties:
 Optional properties:
 - clock-frequency : Constains desired I2C/HS-I2C bus clock frequency in Hz.
   The absence of the propoerty indicates the default frequency 100 kHz.
+- dmas: A list of two dma specifiers, one for each entry in dma-names.
+- dma-names: should contain "tx" and "rx".
 
 Examples:
 
@@ -26,3 +28,12 @@ i2c@70038000 { /* HS-I2C on i.MX51 */
 	interrupts = <64>;
 	clock-frequency = <400000>;
 };
+
+i2c0: i2c@40066000 { /* i2c0 on vf610 */
+	compatible = "fsl,vf610-i2c";
+	reg = <0x40066000 0x1000>;
+	interrupts =<0 71 0x04>;
+	dmas = <&edma0 0 50>,
+		<&edma0 0 51>;
+	dma-names = "rx","tx";
+};
-- 
1.8.4


  parent reply	other threads:[~2014-07-23  9:12 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-23  8:24 [PATCH v5 0/2] i2c: add DMA support for freescale i2c driver Yuan Yao
2014-07-23  8:24 ` [PATCH v5 1/2] " Yuan Yao
2014-07-23  9:48   ` Lothar Waßmann
2014-07-23 11:11     ` Yao Yuan
2014-07-23 11:14       ` Varka Bhadram
2014-07-23 12:15         ` Lothar Waßmann
2014-07-23 16:52           ` Marek Vasut
2014-07-31  6:16             ` Yao Yuan
2014-07-23 12:11       ` Lothar Waßmann
2014-07-23  8:24 ` Yuan Yao [this message]
2014-07-23 12:28 ` [PATCH v5 0/2] " Marek Vasut
2014-07-24  3:36   ` Yao Yuan
2014-07-24  4:16     ` Marek Vasut

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