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 <[email protected]>
---
V4:
- Fix dt_binding_check warnings (Rob)
V2:
- Use reserved-memory (Rob)
.../bindings/net/wireless/qcom,ath11k.yaml | 30 ++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml
index 85c2f699d602..cdf7b873b419 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml
@@ -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>;
+ };
+ };
+ };
--
2.7.4
Anilkumar Kolli <[email protected]> wrote:
> 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 <[email protected]>
Failed to apply, remember to use ath.git master branch as the baseline.
error: patch failed: drivers/net/wireless/ath/ath11k/core.h:194
error: drivers/net/wireless/ath/ath11k/core.h: patch does not apply
error: patch failed: drivers/net/wireless/ath/ath11k/mhi.c:339
error: drivers/net/wireless/ath/ath11k/mhi.c: patch does not apply
stg import: Diff does not apply cleanly
2 patches set to Changes Requested.
12638957 [v6,1/2] dt: bindings: add new DT entry for ath11k PCI device support
12638955 [v6,2/2] ath11k: Use reserved host DDR addresses from DT for PCI devices
--
https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
On Thu, 25 Nov 2021 16:50:10 +0530, Anilkumar Kolli wrote:
> 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 <[email protected]>
> ---
> V4:
> - Fix dt_binding_check warnings (Rob)
> V2:
> - Use reserved-memory (Rob)
>
> .../bindings/net/wireless/qcom,ath11k.yaml | 30 ++++++++++++++++++++++
> 1 file changed, 30 insertions(+)
>
Reviewed-by: Rob Herring <[email protected]>