ARM: dts: Add Gemini DMA controller

This adds the Faraday Technology FTDMAC020 DMA controller to
the Gemini SoC DTSI file. It is only used for memcpy work so
we can activate it for all users of the chipset.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/arch/arm/boot/dts/gemini.dtsi b/arch/arm/boot/dts/gemini.dtsi
index 80abf84..0beaa4e 100644 (file)
--- a/arch/arm/boot/dts/gemini.dtsi
+++ b/arch/arm/boot/dts/gemini.dtsi
@@ -175,5 +175,22 @@
                                #interrupt-cells = <1>;
                        };
                };
+
+               dma-controller@67000000 {
+                       compatible = "faraday,ftdma020", "arm,pl080", "arm,primecell";
+                       /* Faraday Technology FTDMAC020 variant */
+                       arm,primecell-periphid = <0x0003b080>;
+                       reg = <0x67000000 0x1000>;
+                       interrupts = <9 IRQ_TYPE_EDGE_RISING>;
+                       resets = <&syscon 10>;
+                       clocks = <&syscon 1>;
+                       clock-names = "apb_pclk";
+                       /* Bus interface AHB1 (AHB0) is totally tilted */
+                       lli-bus-interface-ahb2;
+                       mem-bus-interface-ahb2;
+                       memcpy-burst-size = <256>;
+                       memcpy-bus-width = <32>;
+                       #dma-cells = <2>;
+               };
        };
 };