[PATCH 1/2] dt: bindings: add new DT entry for ath11k PCI device support
Anilkumar Kolli
akolli at codeaurora.org
Mon Oct 25 08:27:27 PDT 2021
Ath11k driver supports PCI devices such as QCN9074/QCA6390.
Ath11k firmware uses host DDR memory, DT entry is used to reserve
these host DDR memory regions, send these memory base
addresses using DT entries.
Signed-off-by: Anilkumar Kolli <akolli at codeaurora.org>
---
.../bindings/net/wireless/qcom,ath11k.yaml | 38 ++++++++++++++++++++++
1 file changed, 38 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml
index 5ac9616c9239..c7e6612e949c 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath11k.yaml
@@ -19,6 +19,10 @@ description: |
These devices use HOST DDR memory, HOST DDR memory can be reserved
and send to ath11k driver from DT.
+ ATH11K supports PCI devices like QCA6390,QCN9074.
+ These devices use host DDR memory, host DDR memory can be reserved
+ and send to ath11k driver from DT.
+
properties:
compatible:
enum:
@@ -177,6 +181,29 @@ properties:
description:
HOST DDR end address.
+ qcom,base-addr:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Host DDR base address for firmware. QCN9074 firmware uses 45 MB of host
+ DDR memory in mode-0 and 15 MB of host DDR memory in mode-2.
+
+ qcom,caldb-addr:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Host DDR address to store CALDB. CALDB is calibration data base
+ for WLAN channel and tx power.
+
+ qcom,start-addr:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Host DDR start address. For example on x86 it is 0x0,
+ on IPQ8074 it is 0x41000000.
+
+ qcom,end-addr:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Host DDR end address.
+
required:
- compatible
- reg
@@ -317,3 +344,14 @@ examples:
qcom,end-addr = <0x80000000>;
};
};
+
+ - |
+
+ pcie0_rp {
+ ath11k0 {
+ qcom,base-addr = <0x50F00000>;
+ qcom,caldb-addr = <0x53E00000>;
+ qcom,start-addr = <0x41000000>;
+ qcom,end-addr = <0x80000000>;
+ };
+ };
--
2.7.4
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