@@ -150,6 +150,12 @@ properties:
string to uniquely identify variant of the calibration data in the
board-2.bin for designs with colliding bus and device specific ids
+ memory-region:
+ maxItems: 1
+ description:
+ phandle to a node describing reserved memory (System RAM memory)
+ used by ath11k firmware (see bindings/reserved-memory/reserved-memory.txt)
+
required:
- compatible
- reg
@@ -279,3 +285,27 @@ examples:
"tcl2host-status-ring";
qcom,rproc = <&q6v5_wcss>;
};
+
+ - |
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ qcn9074_0: qcn9074_0@51100000 {
+ no-map;
+ reg = <0x0 0x51100000 0x0 0x03500000>;
+ };
+ };
+
+ pci {
+ pcie0 {
+ #size-cells = <2>;
+ #address-cells = <3>;
+
+ wifi_0: wifi@0 {
+ reg = <0 0 0 0 0>;
+ memory-region = <&qcn9074_0>;
+ };
+ };
+ };
Ath11k driver supports PCI devices such as QCN9074/QCA6390. Ath11k firmware uses host DDR memory, DT entry is used to reserve host DDR memory regions, send these memory base addresses using DT entries. Signed-off-by: Anilkumar Kolli <akolli@codeaurora.org> --- V4: - Fix dt_binding_check warnings (Rob) V2: - Use reserved-memory (Rob) .../bindings/net/wireless/qcom,ath11k.yaml | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+)