Add i.MX8MP PCIe support.
Signed-off-by: Richard Zhu <hongxing.zhu@xxxxxxx>
Tested-by: Marek Vasut <marex@xxxxxxx>
Tested-by: Richard Leitner <richard.leitner@xxxxxxxxxxx>
Tested-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
Reviewed-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/freescale/imx8mp.dtsi | 43 +++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index fe178b7d063c..21a4cc417c81 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -5,6 +5,7 @@
#include <dt-bindings/clock/imx8mp-clock.h>
#include <dt-bindings/power/imx8mp-power.h>
+#include <dt-bindings/reset/imx8mp-reset.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
@@ -1084,6 +1085,17 @@ media_blk_ctrl: blk-ctrl@32ec0000 {
#power-domain-cells = <1>;
};
+ pcie_phy: pcie-phy@32f00000 {
+ compatible = "fsl,imx8mp-pcie-phy";
+ reg = <0x32f00000 0x10000>;
+ resets = <&src IMX8MP_RESET_PCIEPHY>,
+ <&src IMX8MP_RESET_PCIEPHY_PERST>;
+ reset-names = "pciephy", "perst";
+ power-domains = <&hsio_blk_ctrl IMX8MP_HSIOBLK_PD_PCIE_PHY>;
+ #phy-cells = <0>;
+ status = "disabled";
+ };
+
hsio_blk_ctrl: blk-ctrl@32f10000 {
compatible = "fsl,imx8mp-hsio-blk-ctrl", "syscon";
reg = <0x32f10000 0x24>;
@@ -1099,6 +1111,37 @@ hsio_blk_ctrl: blk-ctrl@32f10000 {
};
};
+ pcie: pcie@33800000 {
+ compatible = "fsl,imx8mp-pcie";
+ reg = <0x33800000 0x400000>, <0x1ff00000 0x80000>;
+ reg-names = "dbi", "config";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ bus-range = <0x00 0xff>;
+ ranges = <0x81000000 0 0x00000000 0x1ff80000 0 0x00010000>, /* downstream I/O 64KB */
+ <0x82000000 0 0x18000000 0x18000000 0 0x07f00000>; /* non-prefetchable memory */
+ num-lanes = <1>;
+ num-viewport = <4>;
+ interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ interrupt-map = <0 0 0 1 &gic GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 2 &gic GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 3 &gic GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 4 &gic GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
+ fsl,max-link-speed = <3>;
+ linux,pci-domain = <0>;
+ power-domains = <&hsio_blk_ctrl IMX8MP_HSIOBLK_PD_PCIE>;
+ resets = <&src IMX8MP_RESET_PCIE_CTRL_APPS_EN>,
+ <&src IMX8MP_RESET_PCIE_CTRL_APPS_TURNOFF>;
+ reset-names = "apps", "turnoff";
+ phys = <&pcie_phy>;
+ phy-names = "pcie-phy";
+ status = "disabled";
+ };
+
gpu3d: gpu@38000000 {
compatible = "vivante,gc";
reg = <0x38000000 0x8000>;
--
2.25.1
