[PATCH 2/3] arm64: dts: rockchip: add the PCIe controller support for RK3399

From: Shawn Lin
Date: Thu Aug 18 2016 - 23:30:03 EST


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

Signed-off-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
---

arch/arm64/boot/dts/rockchip/rk3399.dtsi | 51 ++++++++++++++++++++++++++++++++
1 file changed, 51 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 5694e27..e502b5b 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -242,6 +242,44 @@
status = "disabled";
};

+ pcie0: pcie@f8000000 {
+ compatible = "rockchip,rk3399-pcie";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ 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-cells = <1>;
+ 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>;
+ reg = <0x0 0xf8000000 0x0 0x2000000>,
+ <0x0 0xfd000000 0x0 0x1000000>;
+ reg-names = "axi-base", "apb-base";
+ 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>;
@@ -1552,5 +1590,18 @@
<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>;
+ };
+ };
+
};
};
--
2.3.7