MXS: Implement DMA support into mxs-i2c
This patch implements DMA support into mxs-i2c. DMA transfers are now enabled
via DT. The DMA operation is enabled by default.
Signed-off-by: Marek Vasut <marex@denx.de>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
[wsa: rebased to 3.6-rc7]
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
index 3fa6d19..ba8227e 100644
--- a/arch/arm/boot/dts/imx28.dtsi
+++ b/arch/arm/boot/dts/imx28.dtsi
@@ -661,6 +661,7 @@
reg = <0x80058000 0x2000>;
interrupts = <111 68>;
clock-frequency = <100000>;
+ fsl,i2c-dma-channel = <6>;
status = "disabled";
};
@@ -671,6 +672,7 @@
reg = <0x8005a000 0x2000>;
interrupts = <110 69>;
clock-frequency = <100000>;
+ fsl,i2c-dma-channel = <7>;
status = "disabled";
};