From: Govind Singh <govinds@codeaurora.org>
To: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-wireless@vger.kernel.org, ath10k@lists.infradead.org,
robh+dt@kernel.org, andy.gross@linaro.org,
linux-soc@vger.kernel.org
Cc: Govind Singh <govinds@codeaurora.org>
Subject: [PATCH v3 3/3] dt: bindings: add bindings for wifi iommu node
Date: Wed, 10 Oct 2018 17:22:56 +0530 [thread overview]
Message-ID: <1539172376-19269-4-git-send-email-govinds@codeaurora.org> (raw)
In-Reply-To: <1539172376-19269-1-git-send-email-govinds@codeaurora.org>
WCN3990 wifi module can optionally make use of the IOMMU.
Add binding documentation for phandle to the IOMMU and
the stream id of wifi iommu block.
Signed-off-by: Govind Singh <govinds@codeaurora.org>
---
Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
index f831bb1..3118d99 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
@@ -65,6 +65,10 @@ Optional properties:
- <supply-name>-supply: handle to the regulator device tree node
optional "supply-name" are "vdd-0.8-cx-mx",
"vdd-1.8-xo", "vdd-1.3-rfa" and "vdd-3.3-ch0".
+- iommus:
+ Usage: optional
+ Value type: <prop-encoded-array>
+ Definition: A list of phandle and IOMMU specifier pairs.
Example (to supply the calibration data alone):
@@ -163,4 +167,5 @@ wifi@18000000 {
vdd-1.8-xo-supply = <&vreg_l7a_1p8>;
vdd-1.3-rfa-supply = <&vreg_l17a_1p3>;
vdd-3.3-ch0-supply = <&vreg_l25a_3p3>;
+ iommus = <&apps_smmu 0x0040 0x1>;
};
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2018-10-10 11:53 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-10 11:52 [PATCH v3 0/3] Enable ath10k wcn3990 wifi driver support on sdm845 Govind Singh
2018-10-10 11:52 ` [PATCH v3 1/3] dt: bindings: add missing dt properties for WCN3990 wifi node Govind Singh
2018-10-12 16:18 ` Rob Herring
2018-10-16 22:53 ` Doug Anderson
2018-10-30 12:40 ` Govind Singh
2018-10-17 7:41 ` Stephen Boyd
2018-11-02 18:43 ` Brian Norris
2018-11-05 16:33 ` Stephen Boyd
2018-11-07 0:07 ` Brian Norris
2018-11-07 2:58 ` Brian Norris
2018-10-10 11:52 ` [PATCH v3 2/3] dts: arm64/sdm845: Add WCN3990 WLAN module device node Govind Singh
2018-10-16 21:45 ` Doug Anderson
2018-10-17 7:33 ` Stephen Boyd
2018-10-10 11:52 ` Govind Singh [this message]
2018-10-12 16:19 ` [PATCH v3 3/3] dt: bindings: add bindings for wifi iommu node Rob Herring
2018-10-12 23:02 ` [PATCH v3 0/3] Enable ath10k wcn3990 wifi driver support on sdm845 Brian Norris
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