* [RFC PATCH 2/2] arm/dts: OMAP4: Add dma-controller and dma-request for I2C
@ 2012-01-27 17:30 Cousson, Benoit
0 siblings, 0 replies; only message in thread
From: Cousson, Benoit @ 2012-01-27 17:30 UTC (permalink / raw)
To: Grant Likely, Rob Herring, Stephen Warren, Thomas Abraham
Cc: devicetree-discuss@lists.ozlabs.org, linux-omap,
linux-arm-kernel@lists.infradead.org
Add the DMA controller node.
Add the dma-request attributes for the OMAP4 I2C controllers.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
---
arch/arm/boot/dts/omap4.dtsi | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
index 2938ec8..2425108 100644
--- a/arch/arm/boot/dts/omap4.dtsi
+++ b/arch/arm/boot/dts/omap4.dtsi
@@ -104,6 +104,13 @@
<0x48240100 0x0100>;
};
+ sdma: sdma@0 {
+ compatible = "ti,omap4-sdma";
+ ti,hwmods = "dma_system";
+ dma-controller;
+ #dma-cells = <1>;
+ };
+
gpio1: gpio@1 {
compatible = "ti,omap4-gpio";
ti,hwmods = "gpio1";
@@ -205,6 +212,8 @@
#address-cells = <1>;
#size-cells = <0>;
ti,hwmods = "i2c1";
+ dma-request = <&sdma 27>, <&sdma 28>;
+ dma-request-names = "tx", "rx";
};
i2c2: i2c@2 {
@@ -212,6 +221,8 @@
#address-cells = <1>;
#size-cells = <0>;
ti,hwmods = "i2c2";
+ dma-request = <&sdma 29>, <&sdma 30>;
+ dma-request-names = "tx", "rx";
};
i2c3: i2c@3 {
@@ -219,6 +230,8 @@
#address-cells = <1>;
#size-cells = <0>;
ti,hwmods = "i2c3";
+ dma-request = <&sdma 25>, <&sdma 26>;
+ dma-request-names = "tx", "rx";
};
i2c4: i2c@4 {
@@ -226,6 +239,8 @@
#address-cells = <1>;
#size-cells = <0>;
ti,hwmods = "i2c4";
+ dma-request = <&sdma 124>, <&sdma 125>;
+ dma-request-names = "tx", "rx";
};
mcspi1: mcspi@1 {
--
1.7.0.4
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2012-01-27 17:30 [RFC PATCH 2/2] arm/dts: OMAP4: Add dma-controller and dma-request for I2C Cousson, Benoit
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