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>

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>;
+                };
         };
 };