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>

diff --git a/target/linux/apm821xx/dts/meraki-mr24.dts b/target/linux/apm821xx/dts/meraki-mr24.dts
index 8fdef7c171c4a3644d8ed44c131e310dae0dbb4f..97a69e71d17cfcca9f2d086ac79016b7b7da42a9 100644 (file)
--- a/target/linux/apm821xx/dts/meraki-mr24.dts
+++ b/target/linux/apm821xx/dts/meraki-mr24.dts
@@ -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 {