From 11f251f3df14cf27847e4bdd46b4df86214b313f Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Sun, 18 Jan 2026 14:49:49 +0100 Subject: [PATCH] arm64: dts: renesas: r8a77951: Describe PCIe root ports Add nodes which describe the root ports in the PCIe controller DT nodes. This can be used together with the pwrctrl driver to control clock and power supply to a PCIe slot. Signed-off-by: Marek Vasut Reviewed-by: Geert Uytterhoeven Link: https://patch.msgid.link/20260118135038.8033-2-marek.vasut+renesas@mailbox.org Signed-off-by: Geert Uytterhoeven --- arch/arm64/boot/dts/renesas/r8a77951.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a77951.dtsi b/arch/arm64/boot/dts/renesas/r8a77951.dtsi index 607f62a448d8..59a0f2e1479d 100644 --- a/arch/arm64/boot/dts/renesas/r8a77951.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a77951.dtsi @@ -2814,6 +2814,16 @@ iommu-map = <0 &ipmmu_hc 0 1>; iommu-map-mask = <0>; status = "disabled"; + + /* PCIe bridge, Root Port */ + pciec0_rp: pci@0,0 { + #address-cells = <3>; + #size-cells = <2>; + reg = <0x0 0x0 0x0 0x0 0x0>; + compatible = "pciclass,0604"; + device_type = "pci"; + ranges; + }; }; pciec1: pcie@ee800000 { @@ -2843,6 +2853,16 @@ iommu-map = <0 &ipmmu_hc 1 1>; iommu-map-mask = <0>; status = "disabled"; + + /* PCIe bridge, Root Port */ + pciec1_rp: pci@0,0 { + #address-cells = <3>; + #size-cells = <2>; + reg = <0x0 0x0 0x0 0x0 0x0>; + compatible = "pciclass,0604"; + device_type = "pci"; + ranges; + }; }; pciec0_ep: pcie-ep@fe000000 {