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From: yao.yuan@freescale.com (Yuan Yao)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 2/2] Documentation:add DMA support for freescale i2c driver
Date: Wed, 13 Aug 2014 17:46:55 +0800	[thread overview]
Message-ID: <1407923215-3749-3-git-send-email-yao.yuan@freescale.com> (raw)
In-Reply-To: <1407923215-3749-1-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 at 70038000 { /* HS-I2C on i.MX51 */
 	interrupts = <64>;
 	clock-frequency = <400000>;
 };
+
+i2c0: i2c at 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:[~2014-08-13  9:46 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-13  9:46 [PATCH v7 0/2] i2c: imx: add DMA support for freescale i2c driver Yuan Yao
2014-08-13  9:46 ` [PATCH v7 1/2] " Yuan Yao
2014-09-04  3:38   ` Yao Yuan
2014-09-04 14:38   ` Marek Vasut
2014-09-05 10:32     ` Yao Yuan
2014-09-05 10:40       ` Marek Vasut
2014-09-10 14:48         ` Yao Yuan
2014-09-16 18:17           ` Marek Vasut
2014-09-17 14:50             ` Yao Yuan
2014-09-17 19:14               ` Marek Vasut
2014-09-18 15:46                 ` Yao Yuan
2014-09-19 12:15                   ` Marek Vasut
2014-08-13  9:46 ` Yuan Yao [this message]
  -- strict thread matches above, loose matches on Subject: below --
2014-08-13  9:37 Yuan Yao
2014-08-13  9:37 ` [PATCH v7 2/2] Documentation:add " Yuan Yao

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