[PATCH v1 2/3] arm64: dts: Add APM X-Gene DMA device and DMA clock DTS node
From: Rameshwar Prasad Sahu <hidden>
Date: 2014-12-31 12:16:06
Also in:
linux-devicetree, lkml
Subsystem:
applied micro (apm) x-gene device tree support, the rest · Maintainers:
Khuong Dinh, Linus Torvalds
This patch adds the device tree node for APM X-Gene SoC DMA controller and DMA clock. Signed-off-by: Rameshwar Prasad Sahu <redacted> Signed-off-by: Loc Ho <redacted> --- arch/arm64/boot/dts/apm/apm-storm.dtsi | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+)
diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi
index f1ad9c2..95b30c2 100644
--- a/arch/arm64/boot/dts/apm/apm-storm.dtsi
+++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi@@ -352,6 +352,15 @@ reg-names = "csr-reg"; clock-output-names = "pcie4clk"; }; + + dmaclk: dmaclk at 1f27c000 { + compatible = "apm,xgene-device-clock"; + #clock-cells = <1>; + clocks = <&socplldiv2 0>; + reg = <0x0 0x1f27c000 0x0 0x1000>; + reg-names = "csr-reg"; + clock-output-names = "dmaclk"; + }; }; pcie0: pcie at 1f2b0000 {
@@ -656,5 +665,21 @@ interrupts = <0x0 0x41 0x4>; clocks = <&rngpkaclk 0>; }; + + dma: dma at 1f270000 { + compatible = "apm,xgene-dma"; + device_type = "dma"; + reg = <0x0 0x1f270000 0x0 0x10000>, + <0x0 0x1f200000 0x0 0x10000>, + <0x0 0x1b008000 0x0 0x2000>; + reg-names = "dma_csr", "ring_csr", "ring_cmd"; + interrupts = <0x0 0x82 0x4>, + <0x0 0xb8 0x4>, + <0x0 0xb9 0x4>, + <0x0 0xba 0x4>, + <0x0 0xbb 0x4>; + dma-coherent; + clocks = <&dmaclk 0>; + }; }; }; --
1.8.2.1