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authorChristian Lamparter <chunkeey@gmail.com>2020-08-12 18:26:43 +0200
committerChristian Lamparter <chunkeey@gmail.com>2020-08-29 17:14:44 +0200
commit9153955095f01a7ac5f2659a671f0229cbad3507 (patch)
treed9a9e6fe62326b9728d7f50e2183ff2ffab9bbff /target/linux/apm821xx/dts/meraki-mr24.dts
parentb15420fc6c55bccb4c773e5c095a07eb30459bcb (diff)
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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>
Diffstat (limited to 'target/linux/apm821xx/dts/meraki-mr24.dts')
-rw-r--r--target/linux/apm821xx/dts/meraki-mr24.dts51
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/apm821xx/dts/meraki-mr24.dts b/target/linux/apm821xx/dts/meraki-mr24.dts
index 8fdef7c171..97a69e71d1 100644
--- 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 {