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authorRameshwar Prasad Sahu <rsahu@apm.com>2015-03-18 16:47:35 +0300
committerVinod Koul <vinod.koul@intel.com>2015-04-02 11:34:48 +0300
commit74e353e1530044ac0dac82d64012850358e60248 (patch)
tree1fbbf59bf8bf6425b9c6209a112239ed162e9a46 /arch/arm64
parent9f2fd0dfa594d857fbdaeda523ff7a46f16567f5 (diff)
downloadlinux-74e353e1530044ac0dac82d64012850358e60248.tar.xz
arm64: dts: Add APM X-Gene SoC DMA device and DMA clock DTS nodes
This patch adds the device tree node for APM X-Gene SoC DMA controller and DMA clock. Signed-off-by: Rameshwar Prasad Sahu <rsahu@apm.com> Signed-off-by: Loc Ho <lho@apm.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/boot/dts/apm/apm-storm.dtsi26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi
index f1ad9c2ab2e9..947177004039 100644
--- a/arch/arm64/boot/dts/apm/apm-storm.dtsi
+++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi
@@ -102,6 +102,7 @@
#address-cells = <2>;
#size-cells = <2>;
ranges;
+ dma-ranges = <0x0 0x0 0x0 0x0 0x400 0x0>;
clocks {
#address-cells = <2>;
@@ -352,6 +353,15 @@
reg-names = "csr-reg";
clock-output-names = "pcie4clk";
};
+
+ dmaclk: dmaclk@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@1f2b0000 {
@@ -656,5 +666,21 @@
interrupts = <0x0 0x41 0x4>;
clocks = <&rngpkaclk 0>;
};
+
+ dma: dma@1f270000 {
+ compatible = "apm,xgene-storm-dma";
+ device_type = "dma";
+ reg = <0x0 0x1f270000 0x0 0x10000>,
+ <0x0 0x1f200000 0x0 0x10000>,
+ <0x0 0x1b008000 0x0 0x2000>,
+ <0x0 0x1054a000 0x0 0x100>;
+ interrupts = <0x0 0x82 0x4>,
+ <0x0 0xb8 0x4>,
+ <0x0 0xb9 0x4>,
+ <0x0 0xba 0x4>,
+ <0x0 0xbb 0x4>;
+ dma-coherent;
+ clocks = <&dmaclk 0>;
+ };
};
};