arm64: dts: rockchip: add the PCIe controller support for RK3399

This patch introduces PCIe support found on RK3399 platform,
and specify phys phandle for it.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 0f97978..9d9a098 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -242,6 +242,45 @@
                status = "disabled";
        };
 
+       pcie0: pcie@f8000000 {
+               compatible = "rockchip,rk3399-pcie";
+               reg = <0x0 0xf8000000 0x0 0x2000000>,
+                     <0x0 0xfd000000 0x0 0x1000000>;
+               reg-names = "axi-base", "apb-base";
+               #address-cells = <3>;
+               #size-cells = <2>;
+               #interrupt-cells = <1>;
+               bus-range = <0x0 0x1>;
+               clocks = <&cru ACLK_PCIE>, <&cru ACLK_PERF_PCIE>,
+                        <&cru PCLK_PCIE>, <&cru SCLK_PCIE_PM>;
+               clock-names = "aclk", "aclk-perf",
+                             "hclk", "pm";
+               interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH 0>,
+                            <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH 0>,
+                            <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH 0>;
+               interrupt-names = "sys", "legacy", "client";
+               interrupt-map-mask = <0 0 0 7>;
+               interrupt-map = <0 0 0 1 &pcie0_intc 0>,
+                               <0 0 0 2 &pcie0_intc 1>,
+                               <0 0 0 3 &pcie0_intc 2>,
+                               <0 0 0 4 &pcie0_intc 3>;
+               msi-map = <0x0 &its 0x0 0x1000>;
+               phys = <&pcie_phy>;
+               phy-names = "pcie-phy";
+               ranges = <0x83000000 0x0 0xfa000000 0x0 0xfa000000 0x0 0x600000
+                         0x81000000 0x0 0xfa600000 0x0 0xfa600000 0x0 0x100000>;
+               resets = <&cru SRST_PCIE_CORE>, <&cru SRST_PCIE_MGMT>,
+                        <&cru SRST_PCIE_MGMT_STICKY>, <&cru SRST_PCIE_PIPE>;
+               reset-names = "core", "mgmt", "mgmt-sticky", "pipe";
+               status = "disabled";
+
+               pcie0_intc: interrupt-controller {
+                       interrupt-controller;
+                       #address-cells = <0>;
+                       #interrupt-cells = <1>;
+               };
+       };
+
        usb_host0_ehci: usb@fe380000 {
                compatible = "generic-ehci";
                reg = <0x0 0xfe380000 0x0 0x20000>;
@@ -1580,5 +1619,18 @@
                                        <1 14 RK_FUNC_1 &pcfg_pull_none>;
                        };
                };
+
+               pcie {
+                       pcie_clkreqn: pci-clkreqn {
+                               rockchip,pins =
+                                       <2 26 RK_FUNC_2 &pcfg_pull_none>;
+                       };
+
+                       pcie_clkreqnb: pci-clkreqnb {
+                               rockchip,pins =
+                                       <4 24 RK_FUNC_1 &pcfg_pull_none>;
+                       };
+               };
+
        };
 };