Add pcie_rc node to support STM32 MP25 PCIe driver based on the
DesignWare PCIe core configured as Root Complex mode
Supports Gen1/Gen2, single lane, MSI interrupts using the ARM GICv2m
Acked-by: Manivannan Sadhasivam <mani@xxxxxxxxxx>
Signed-off-by: Christian Bruel <christian.bruel@xxxxxxxxxxx>
---
arch/arm64/boot/dts/st/stm32mp251.dtsi | 44 ++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi
index 303abf915b8e..a3ed617a43d3 100644
--- a/arch/arm64/boot/dts/st/stm32mp251.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi
@@ -122,6 +122,15 @@ intc: interrupt-controller@4ac00000 {
<0x0 0x4ac20000 0x0 0x20000>,
<0x0 0x4ac40000 0x0 0x20000>,
<0x0 0x4ac60000 0x0 0x20000>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ v2m0: v2m@48090000 {
+ compatible = "arm,gic-v2m-frame";
+ reg = <0x0 0x48090000 0x0 0x1000>;
+ msi-controller;
+ };
};
psci {
@@ -1654,6 +1663,41 @@ stmmac_axi_config_1: stmmac-axi-config {
snps,wr_osr_lmt = <0x7>;
};
};
+
+ pcie_rc: pcie@48400000 {
+ compatible = "st,stm32mp25-pcie-rc";
+ device_type = "pci";
+ reg = <0x48400000 0x400000>,
+ <0x10000000 0x10000>;
+ reg-names = "dbi", "config";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 7>;
+ interrupt-map = <0 0 0 1 &intc 0 0 GIC_SPI 264 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 2 &intc 0 0 GIC_SPI 265 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 3 &intc 0 0 GIC_SPI 266 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 4 &intc 0 0 GIC_SPI 267 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges = <0x01000000 0x0 0x00000000 0x10010000 0x0 0x10000>,
+ <0x02000000 0x0 0x10020000 0x10020000 0x0 0x7fe0000>,
+ <0x42000000 0x0 0x18000000 0x18000000 0x0 0x8000000>;
+ dma-ranges = <0x42000000 0x0 0x80000000 0x80000000 0x0 0x80000000>;
+ clocks = <&rcc CK_BUS_PCIE>;
+ resets = <&rcc PCIE_R>;
+ msi-parent = <&v2m0>;
+ access-controllers = <&rifsc 68>;
+ power-domains = <&CLUSTER_PD>;
+ status = "disabled";
+
+ pcie@0,0 {
+ device_type = "pci";
+ reg = <0x0 0x0 0x0 0x0 0x0>;
+ phys = <&combophy PHY_TYPE_PCIE>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+ };
+ };
};
bsec: efuse@44000000 {
--
2.34.1
