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>

diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi
index f1ad9c2..9471770 100644 (file)
--- 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>;
+               };
        };
 };