openwrt-owl/target/linux/omap/patches-3.12/100-ARM-dts-add-AM33XX-EDMA...

37 lines
963 B
Diff

Adds AM33XX EDMA support to the am33xx.dtsi as documented in
Documentation/devicetree/bindings/dma/ti-edma.txt
[Joel Fernandes <joelf@ti.com>]
Drop DT entries that are non-hardware-description as discussed in [1]
[1] https://patchwork.kernel.org/patch/2226761/
Signed-off-by: Matt Porter <mporter@ti.com>
Signed-off-by: Joel A Fernandes <joelagnel@ti.com>
---
arch/arm/boot/dts/am33xx.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -100,6 +100,18 @@
reg = <0x48200000 0x1000>;
};
+ edma: edma@49000000 {
+ compatible = "ti,edma3";
+ ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2";
+ reg = <0x49000000 0x10000>,
+ <0x44e10f90 0x10>;
+ interrupts = <12 13 14>;
+ #dma-cells = <1>;
+ dma-channels = <64>;
+ ti,edma-regions = <4>;
+ ti,edma-slots = <256>;
+ };
+
gpio0: gpio@44e07000 {
compatible = "ti,omap4-gpio";
ti,hwmods = "gpio1";