diff options
| author | Marek Vasut <marek.vasut+renesas@mailbox.org> | 2025-06-07 21:44:38 +0200 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2025-06-19 19:49:28 +0200 |
| commit | 714dd09f0ec7d58eebe62c5bdb45ca8809e020f3 (patch) | |
| tree | 51926c6562fb8f67176ae919200106aa219796ac | |
| parent | 0c8bf42e50ccc14039adf1dc580ccb31d5e3c6ab (diff) | |
arm64: dts: renesas: r8a779g0: 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. For example usage, refer to the Sparrow
Hawk board.
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Link: https://lore.kernel.org/20250607194541.79176-2-marek.vasut+renesas@mailbox.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r8a779g0.dtsi | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi index 6dbf05a55935..8d9ca30c299c 100644 --- a/arch/arm64/boot/dts/renesas/r8a779g0.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a779g0.dtsi @@ -798,6 +798,16 @@ <0 0 0 4 &gic GIC_SPI 449 IRQ_TYPE_LEVEL_HIGH>; snps,enable-cdm-check; 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@e65d8000 { @@ -835,6 +845,16 @@ <0 0 0 4 &gic GIC_SPI 456 IRQ_TYPE_LEVEL_HIGH>; snps,enable-cdm-check; 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@e65d0000 { |