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apm821xx: MR24: enumerate PCIe in device-tree 

This patch adds the pcie-switch and bridge configuration for
the Meraki MR24.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
This commit is contained in:
Christian Lamparter 2020-08-12 18:26:43 +02:00
parent b15420fc6c
commit 9153955095
1 changed files with 51 additions and 0 deletions
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51
target/linux/apm821xx/dts/meraki-mr24.dts
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@ -182,6 +182,57 @@
&PCIE0 {
status = "okay";
/*
* relevant lspci topology:
*
* -+-[0000:40]---00.0-[41-7f]----00.0-[42-45]--+-02.0-[43]----00.0
* +-03.0-[44]----00.0
*
*/
bridge@64,0 {
reg = <0x00400000 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
ranges;
bridge@65,0 {
/* IDT PES3T3 PCI Express Switch */
compatible = "pci111d,8039";
reg = <0x00410000 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
ranges;
bridge@66,2 {
compatible = "pci111d,8039";
reg = <0x00421000 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
ranges;
wifi0: wifi@67,0 {
/* Atheros AR9380 2.4GHz */
compatible = "pci168c,0030";
reg = <0x00430000 0 0 0 0>;
};
};
bridge@66,3 {
compatible = "pci111d,8039";
reg = <0x00421800 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
ranges;
wifi1: wifi@68,0 {
/* Atheros AR9380 5GHz */
compatible = "pci168c,0030";
reg = <0x00440000 0 0 0 0>;
};
};
};
};
};
&MSI {