target/linux/omap/patches-3.12/100-ARM-dts-add-AM33XX-EDMA-support.patch

   1 Adds AM33XX EDMA support to the am33xx.dtsi as documented in
   2 Documentation/devicetree/bindings/dma/ti-edma.txt
   3
   4 [Joel Fernandes <joelf@ti.com>]
   5 Drop DT entries that are non-hardware-description as discussed in [1]
   6
   7 [1] https://patchwork.kernel.org/patch/2226761/
   8
   9 Signed-off-by: Matt Porter <mporter@ti.com>
  10 Signed-off-by: Joel A Fernandes <joelagnel@ti.com>
  11
  12 ---
  13 arch/arm/boot/dts/am33xx.dtsi | 12 ++++++++++++
  14  1 file changed, 12 insertions(+)
  15
  16 diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
  17 index f9c5da9..19a1c1d 100644
  18 --- a/arch/arm/boot/dts/am33xx.dtsi
  19 +++ b/arch/arm/boot/dts/am33xx.dtsi
  20 @@ -100,6 +100,18 @@
  21                         reg = <0x48200000 0x1000>;
  22                 };
  23
  24 +               edma: edma@49000000 {
  25 +                       compatible = "ti,edma3";
  26 +                       ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2";
  27 +                       reg =   <0x49000000 0x10000>,
  28 +                               <0x44e10f90 0x10>;
  29 +                       interrupts = <12 13 14>;
  30 +                       #dma-cells = <1>;
  31 +                       dma-channels = <64>;
  32 +                       ti,edma-regions = <4>;
  33 +                       ti,edma-slots = <256>;
  34 +               };
  35 +
  36                 gpio0: gpio@44e07000 {
  37                         compatible = "ti,omap4-gpio";
  38                         ti,hwmods = "gpio1";