openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ARM: dts: artpec: add pcie support 

Add PCIe support to the ARTPEC-6 SoC. This uses the existing
pcie-artpec6 driver.
So, all that is needed is device tree entries in the DTS.

Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: Jesper Nilsson <jespern@axis.com>
This commit is contained in:
Niklas Cassel 2016-10-14 15:09:13 +02:00 committed by Arnd Bergmann
parent 310aa13495
commit afafe375df
2 changed files with 32 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm/boot/dts/artpec6-devboard.dts
View File

@ -46,6 +46,10 @@ &uart3 {
status = "okay";
};
&pcie {
status = "okay";
};
&ethernet {
status = "okay";

29
arch/arm/boot/dts/artpec6.dtsi
View File

@ -67,7 +67,7 @@ cpu1: cpu@1 {
};
};
syscon {
syscon: syscon@f8000000 {
compatible = "axis,artpec6-syscon", "syscon";
reg = <0xf8000000 0x48>;
};
@ -154,6 +154,33 @@ pmu {
interrupt-parent = <&intc>;
};
pcie: pcie@f8050000 {
compatible = "axis,artpec6-pcie", "snps,dw-pcie";
reg = <0xf8050000 0x2000
0xf8040000 0x1000
0xc0000000 0x2000>;
reg-names = "dbi", "phy", "config";
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
/* downstream I/O */
ranges = <0x81000000 0 0 0xc0002000 0 0x00010000
/* non-prefetchable memory */
0x82000000 0 0xc0012000 0xc0012000 0 0x1ffee000>;
num-lanes = <2>;
bus-range = <0x00 0xff>;
interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "msi";
#interrupt-cells = <1>;
interrupt-map-mask = <0 0 0 0x7>;
interrupt-map = <0 0 0 1 &intc GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
<0 0 0 2 &intc GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
<0 0 0 3 &intc GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
<0 0 0 4 &intc GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
axis,syscon-pcie = <&syscon>;
status = "disabled";
};
amba@0 {
compatible = "simple-bus";
#address-cells = <0x1>;