Re: [PATCH 5/8] PCI: rockchip: Added dtsi entry for PCIe endpoint controller

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  DTC     arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm016-dc2.dtb
../arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi:460.3-52: Warning (pci_device_reg): /pcie@f8000000/pcie@0,0:reg: PCI reg address is not configuration space
  DTC arch/arm64/boot/dts/amlogic/meson-gxm-s912-libretech-pc.dtb
../arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi:460.3-52: Warning (pci_device_reg): /pcie@f8000000/pcie@0,0:reg: PCI reg address is not configuration space
  HDRINST usr/include/linux/aio_abi.h
  HDRINST usr/include/linux/am437x-vpfe.h
../arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi:460.3-52: Warning (pci_device_reg): /pcie@f8000000/pcie@0,0:reg: PCI reg address is not configuration space
  DTC     arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm017-dc3.dtb


Thanks,

Alok

On 1/26/2023 7:20 PM, Rick Wertenbroek wrote:
Added missing PCIe endpoint controller entry in the device tree. This
entry is documented in :
Documentation/devicetree/bindings/pci/rockchip-pcie-ep.txt
The status is disabled by default, so it will not be loaded unless
explicitly chosen to.

Signed-off-by: Rick Wertenbroek <rick.wertenbroek@xxxxxxxxx>
---
  arch/arm64/boot/dts/rockchip/rk3399.dtsi | 25 ++++++++++++++++++++++++
  1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 9d5b0e8c9..5f7251118 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -265,6 +265,31 @@ pcie0_intc: interrupt-controller {
  		};
  	};
+ pcie0_ep: pcie-ep@f8000000 {
+		compatible = "rockchip,rk3399-pcie-ep";
+		#address-cells = <3>;
+		#size-cells = <2>;
+		rockchip,max-outbound-regions = <32>;
+		clocks = <&cru ACLK_PCIE>, <&cru ACLK_PERF_PCIE>,
+			<&cru PCLK_PCIE>, <&cru SCLK_PCIE_PM>;
+		clock-names = "aclk", "aclk-perf",
+				"hclk", "pm";
+		max-functions = /bits/ 8 <8>;
+		num-lanes = <4>;
+		reg = <0x0 0xfd000000 0x0 0x1000000>, <0x0 0xfa000000 0x0 0x2000000>;
+		reg-names = "apb-base", "mem-base";
+		resets = <&cru SRST_PCIE_CORE>, <&cru SRST_PCIE_MGMT>,
+			<&cru SRST_PCIE_MGMT_STICKY>, <&cru SRST_PCIE_PIPE> ,
+			<&cru SRST_PCIE_PM>, <&cru SRST_P_PCIE>, <&cru SRST_A_PCIE>;
+		reset-names = "core", "mgmt", "mgmt-sticky", "pipe",
+				"pm", "pclk", "aclk";
+		phys = <&pcie_phy 0>, <&pcie_phy 1>, <&pcie_phy 2>, <&pcie_phy 3>;
+		phy-names = "pcie-phy-0", "pcie-phy-1", "pcie-phy-2", "pcie-phy-3";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pcie_clkreqnb_cpm>;
+		status = "disabled";
+	};
+
  	gmac: ethernet@fe300000 {
  		compatible = "rockchip,rk3399-gmac";
  		reg = <0x0 0xfe300000 0x0 0x10000>;



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