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Date: Tue, 4 Mar 2014 17:18:04 +0100
From: Maxime Ripard <maxime.ripard@...e-electrons.com>
To: Emilio Lopez <emilio@...pez.com.ar>,
Dan Williams <dan.j.williams@...el.com>,
Vinod Koul <vinod.koul@...el.com>
Cc: Mike Turquette <mturquette@...aro.org>,
linux-arm-kernel@...ts.infradead.org, dmaengine@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
linux-sunxi@...glegroups.com, kevin.z.m.zh@...il.com,
sunny@...winnertech.com, shuge@...winnertech.com,
zhuzhenhua@...winnertech.com, andriy.shevchenko@...el.com,
Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: [PATCH v3 7/7] ARM: sun6i: dt: Add A31 DMA controller to DTSI
Now that we have a DMA driver, we can add the DMA bindings in the DTSI for the
controller and the devices supported that can use DMA.
Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
arch/arm/boot/dts/sun6i-a31.dtsi | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
index af6f87c..ad6476a 100644
--- a/arch/arm/boot/dts/sun6i-a31.dtsi
+++ b/arch/arm/boot/dts/sun6i-a31.dtsi
@@ -237,6 +237,15 @@
#size-cells = <1>;
ranges;
+ dma: dma-controller@...02000 {
+ compatible = "allwinner,sun6i-a31-dma";
+ reg = <0x01c02000 0x1000>;
+ interrupts = <0 50 4>;
+ clocks = <&ahb1_gates 6>;
+ resets = <&ahb1_rst 6>;
+ #dma-cells = <1>;
+ };
+
pio: pinctrl@...20800 {
compatible = "allwinner,sun6i-a31-pinctrl";
reg = <0x01c20800 0x400>;
@@ -301,6 +310,8 @@
reg-io-width = <4>;
clocks = <&apb2_gates 16>;
resets = <&apb2_rst 16>;
+ dmas = <&dma 6>, <&dma 6>;
+ dma-names = "rx", "tx";
status = "disabled";
};
@@ -312,6 +323,8 @@
reg-io-width = <4>;
clocks = <&apb2_gates 17>;
resets = <&apb2_rst 17>;
+ dmas = <&dma 7>, <&dma 7>;
+ dma-names = "rx", "tx";
status = "disabled";
};
@@ -323,6 +336,8 @@
reg-io-width = <4>;
clocks = <&apb2_gates 18>;
resets = <&apb2_rst 18>;
+ dmas = <&dma 8>, <&dma 8>;
+ dma-names = "rx", "tx";
status = "disabled";
};
@@ -334,6 +349,8 @@
reg-io-width = <4>;
clocks = <&apb2_gates 19>;
resets = <&apb2_rst 19>;
+ dmas = <&dma 9>, <&dma 9>;
+ dma-names = "rx", "tx";
status = "disabled";
};
@@ -345,6 +362,8 @@
reg-io-width = <4>;
clocks = <&apb2_gates 20>;
resets = <&apb2_rst 20>;
+ dmas = <&dma 10>, <&dma 10>;
+ dma-names = "rx", "tx";
status = "disabled";
};
@@ -356,6 +375,8 @@
reg-io-width = <4>;
clocks = <&apb2_gates 21>;
resets = <&apb2_rst 21>;
+ dmas = <&dma 22>, <&dma 22>;
+ dma-names = "rx", "tx";
status = "disabled";
};
@@ -365,6 +386,8 @@
interrupts = <0 65 4>;
clocks = <&ahb1_gates 20>, <&spi0_clk>;
clock-names = "ahb", "mod";
+ dmas = <&dma 23>, <&dma 23>;
+ dma-names = "rx", "tx";
resets = <&ahb1_rst 20>;
status = "disabled";
};
@@ -375,6 +398,8 @@
interrupts = <0 66 4>;
clocks = <&ahb1_gates 21>, <&spi1_clk>;
clock-names = "ahb", "mod";
+ dmas = <&dma 24>, <&dma 24>;
+ dma-names = "rx", "tx";
resets = <&ahb1_rst 21>;
status = "disabled";
};
@@ -385,6 +410,8 @@
interrupts = <0 67 4>;
clocks = <&ahb1_gates 22>, <&spi2_clk>;
clock-names = "ahb", "mod";
+ dmas = <&dma 25>, <&dma 25>;
+ dma-names = "rx", "tx";
resets = <&ahb1_rst 22>;
status = "disabled";
};
@@ -395,6 +422,8 @@
interrupts = <0 68 4>;
clocks = <&ahb1_gates 23>, <&spi3_clk>;
clock-names = "ahb", "mod";
+ dmas = <&dma 26>, <&dma 26>;
+ dma-names = "rx", "tx";
resets = <&ahb1_rst 23>;
status = "disabled";
};
--
1.9.0
--
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