Add PCIe host controller and PHY nodes. This supports for LD20, PXs3 and
their boards.
This node defines PCIe memory, I/O, and config spaces as follows.
MEM: 20000000-2ffdffff (255MB)
I/O: 2ffe0000-2ffeffff ( 64KB)
CFG: 2fff0000-2fffffff ( 64KB)
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi | 47 ++++++++++++++++++++++
.../arm64/boot/dts/socionext/uniphier-pxs3-ref.dts | 4 ++
arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi | 47 ++++++++++++++++++++++
3 files changed, 98 insertions(+)
diff --git a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
index d7e2d89..63d3d17 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-ld20.dtsi
@@ -872,6 +872,53 @@
};
};
+ pcie: pcie@66000000 {
+ compatible = "socionext,uniphier-pcie", "snps,dw-pcie";
+ status = "disabled";
+ reg-names = "dbi", "link", "config";
+ reg = <0x66000000 0x1000>, <0x66010000 0x10000>,
+ <0x2fff0000 0x10000>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ clocks = <&sys_clk 24>;
+ resets = <&sys_rst 24>;
+ num-lanes = <1>;
+ num-viewport = <1>;
+ bus-range = <0x0 0xff>;
+ device_type = "pci";
+ ranges =
+ /* downstream I/O */
+ <0x81000000 0 0x00000000 0x2ffe0000 0 0x00010000
+ /* non-prefetchable memory */
+ 0x82000000 0 0x20000000 0x20000000 0 0x0ffe0000>;
+ #interrupt-cells = <1>;
+ interrupt-names = "dma", "msi";
+ interrupts = <0 224 4>, <0 225 4>;
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-map = <0 0 0 1 &pcie_intc 0>, /* INTA */
+ <0 0 0 2 &pcie_intc 1>, /* INTB */
+ <0 0 0 3 &pcie_intc 2>, /* INTC */
+ <0 0 0 4 &pcie_intc 3>; /* INTD */
+ phy-names = "pcie-phy";
+ phys = <&pcie_phy>;
+
+ pcie_intc: legacy-interrupt-controller {
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ interrupt-parent = <&gic>;
+ interrupts = <0 226 4>;
+ };
+ };
+
+ pcie_phy: phy@66038000 {
+ compatible = "socionext,uniphier-ld20-pcie-phy";
+ reg = <0x66038000 0x4000>;
+ #phy-cells = <0>;
+ clocks = <&sys_clk 24>;
+ resets = <&sys_rst 24>;
+ socionext,syscon = <&soc_glue>;
+ };
+
nand: nand@68000000 {
compatible = "socionext,uniphier-denali-nand-v5b";
status = "disabled";
diff --git a/arch/arm64/boot/dts/socionext/uniphier-pxs3-ref.dts b/arch/arm64/boot/dts/socionext/uniphier-pxs3-ref.dts
index a41f7ca..f91d77f 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-pxs3-ref.dts
+++ b/arch/arm64/boot/dts/socionext/uniphier-pxs3-ref.dts
@@ -112,3 +112,7 @@
&usb1 {
status = "okay";
};
+
+&pcie {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi b/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi
index 4f57c9e..fe56a32 100644
--- a/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi
+++ b/arch/arm64/boot/dts/socionext/uniphier-pxs3.dtsi
@@ -727,6 +727,53 @@
};
};
+ pcie: pcie@66000000 {
+ compatible = "socionext,uniphier-pcie", "snps,dw-pcie";
+ status = "disabled";
+ reg-names = "dbi", "link", "config";
+ reg = <0x66000000 0x1000>, <0x66010000 0x10000>,
+ <0x2fff0000 0x10000>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ clocks = <&sys_clk 24>;
+ resets = <&sys_rst 24>;
+ num-lanes = <1>;
+ num-viewport = <1>;
+ bus-range = <0x0 0xff>;
+ device_type = "pci";
+ ranges =
+ /* downstream I/O */
+ <0x81000000 0 0x00000000 0x2ffe0000 0 0x00010000
+ /* non-prefetchable memory */
+ 0x82000000 0 0x20000000 0x20000000 0 0x0ffe0000>;
+ #interrupt-cells = <1>;
+ interrupt-names = "dma", "msi";
+ interrupts = <0 224 4>, <0 225 4>;
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-map = <0 0 0 1 &pcie_intc 0>, /* INTA */
+ <0 0 0 2 &pcie_intc 1>, /* INTB */
+ <0 0 0 3 &pcie_intc 2>, /* INTC */
+ <0 0 0 4 &pcie_intc 3>; /* INTD */
+ phy-names = "pcie-phy";
+ phys = <&pcie_phy>;
+
+ pcie_intc: legacy-interrupt-controller {
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ interrupt-parent = <&gic>;
+ interrupts = <0 226 4>;
+ };
+ };
+
+ pcie_phy: phy@66038000 {
+ compatible = "socionext,uniphier-pxs3-pcie-phy";
+ reg = <0x66038000 0x4000>;
+ #phy-cells = <0>;
+ clocks = <&sys_clk 24>;
+ resets = <&sys_rst 24>;
+ socionext,syscon = <&soc_glue>;
+ };
+
nand: nand@68000000 {
compatible = "socionext,uniphier-denali-nand-v5b";
status = "disabled";
--
2.7.4
