arm: kirkwood: add SoC-level Device Tree data for PCIe interfaces

This commit adds Device Tree details to enable the PCIe interfaces on
Kirkwood. The 6281 has one PCIe interface, the 6282 has two PCIe
interfaces.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

diff --git a/arch/arm/boot/dts/kirkwood-6281.dtsi b/arch/arm/boot/dts/kirkwood-6281.dtsi
index d6c9d65cbaeb5bba44c0f91504bc53c38f82bad8..51376683dbcdd2875b2c77aa7bfa85fd5374980d 100644 (file)
--- a/arch/arm/boot/dts/kirkwood-6281.dtsi
+++ b/arch/arm/boot/dts/kirkwood-6281.dtsi
@@ -40,5 +40,36 @@
                                marvell,function = "sdio";
                        };
                };
+
+               pcie-controller {
+                       compatible = "marvell,kirkwood-pcie";
+                       status = "disabled";
+                       device_type = "pci";
+
+                       #address-cells = <3>;
+                       #size-cells = <2>;
+
+                       bus-range = <0x00 0xff>;
+
+                       ranges = <0x82000000 0 0x00040000 0x00040000 0 0x00002000   /* Port 0.0 registers */
+                                 0x82000000 0 0xe0000000 0xe0000000 0 0x08000000   /* non-prefetchable memory */
+                                 0x81000000 0 0          0xe8000000 0 0x00100000>; /* downstream I/O */
+
+                       pcie@1,0 {
+                               device_type = "pci";
+                               assigned-addresses = <0x82000800 0 0x00040000 0 0x2000>;
+                               reg = <0x0800 0 0 0 0>;
+                               #address-cells = <3>;
+                               #size-cells = <2>;
+                               #interrupt-cells = <1>;
+                               ranges;
+                               interrupt-map-mask = <0 0 0 0>;
+                               interrupt-map = <0 0 0 0 &intc 9>;
+                               marvell,pcie-port = <0>;
+                               marvell,pcie-lane = <0>;
+                               clocks = <&gate_clk 2>;
+                               status = "disabled";
+                       };
+               };
        };
 };

diff --git a/arch/arm/boot/dts/kirkwood-6282.dtsi b/arch/arm/boot/dts/kirkwood-6282.dtsi
index 23991e45bc55f946609e84cc319c81aeed6d0122..66a751ab5516bd8a72de4738f874e68e275eb788 100644 (file)
--- a/arch/arm/boot/dts/kirkwood-6282.dtsi
+++ b/arch/arm/boot/dts/kirkwood-6282.dtsi
@@ -65,5 +65,53 @@
                        clocks = <&gate_clk 7>;
                        status = "disabled";
                };
+
+               pcie-controller {
+                       compatible = "marvell,kirkwood-pcie";
+                       status = "disabled";
+                       device_type = "pci";
+
+                       #address-cells = <3>;
+                       #size-cells = <2>;
+
+                       bus-range = <0x00 0xff>;
+
+                       ranges = <0x82000000 0 0x00040000 0x00040000 0 0x00002000   /* Port 0.0 registers */
+                                 0x82000000 0 0x00044000 0x00044000 0 0x00002000   /* Port 1.0 registers */
+                                 0x82000000 0 0xe0000000 0xe0000000 0 0x08000000   /* non-prefetchable memory */
+                                 0x81000000 0 0          0xe8000000 0 0x00100000>; /* downstream I/O */
+
+                       pcie@1,0 {
+                               device_type = "pci";
+                               assigned-addresses = <0x82000800 0 0x00040000 0 0x2000>;
+                               reg = <0x0800 0 0 0 0>;
+                               #address-cells = <3>;
+                               #size-cells = <2>;
+                               #interrupt-cells = <1>;
+                               ranges;
+                               interrupt-map-mask = <0 0 0 0>;
+                               interrupt-map = <0 0 0 0 &intc 9>;
+                               marvell,pcie-port = <0>;
+                               marvell,pcie-lane = <0>;
+                               clocks = <&gate_clk 2>;
+                               status = "disabled";
+                       };
+
+                       pcie@2,0 {
+                               device_type = "pci";
+                               assigned-addresses = <0x82001000 0 0x00044000 0 0x2000>;
+                               reg = <0x1000 0 0 0 0>;
+                               #address-cells = <3>;
+                               #size-cells = <2>;
+                               #interrupt-cells = <1>;
+                               ranges;
+                               interrupt-map-mask = <0 0 0 0>;
+                               interrupt-map = <0 0 0 0 &intc 10>;
+                               marvell,pcie-port = <1>;
+                               marvell,pcie-lane = <0>;
+                               clocks = <&gate_clk 18>;
+                               status = "disabled";
+                       };
+               };
        };
 };

diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi
index fada7e6d24d8543fd956ef18d7981aa12b9b9ee6..7eef88f00fea9532d91f81648554f97a9cb5f11d 100644 (file)
--- a/arch/arm/boot/dts/kirkwood.dtsi
+++ b/arch/arm/boot/dts/kirkwood.dtsi
@@ -19,6 +19,7 @@
        ocp@f1000000 {
                compatible = "simple-bus";
                ranges = <0x00000000 0xf1000000 0x4000000
+                         0xe0000000 0xe0000000 0x8100000 /* PCIE */
                          0xf5000000 0xf5000000 0x0000400>;
                #address-cells = <1>;
                #size-cells = <1>;