linux-kernel - [PATCH v3] arm64: dts: qcom: sc7280: Add wifi alias for SC7280-idp

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Message-ID: <20221228094104.356-1-quic_youghand@quicinc.com>
Date:   Wed, 28 Dec 2022 15:11:03 +0530
From:   Youghandhar Chintala <quic_youghand@...cinc.com>
To:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...ainline.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>
CC:     <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <quic_mpubbise@...cinc.com>,
        "Youghandhar Chintala" <quic_youghand@...cinc.com>
Subject: [PATCH v3] arm64: dts: qcom: sc7280: Add wifi alias for SC7280-idp

Currently, depth-charge Chrome OS bootloader code used in the SC7280
SoC accesses the WiFi node using node names (wifi@<addr>). Since
depth-charge Chrome OS bootloader is a common code that is used in
SoCs having different WiFi chipsets, it is better if the depth-charge
Chrome OS bootloader code accesses the WiFi node using a WiFi alias.
The advantage of this method is that the depth-charge Chrome OS
bootloader code need not be changed for every new WiFi chip.
Therefore, add wifi alias entry for SC7280-idp device tree.

Signed-off-by: Youghandhar Chintala <quic_youghand@...cinc.com>
---
V3:
 - Replaced bootloader with Depth-charge Chrome OS bootloader
   in the commit message
---
 arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
index cd432a2856a7..c4f88d7b3758 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
@@ -18,6 +18,7 @@ / {
 	aliases {
 		bluetooth0 = &bluetooth;
 		serial1 = &uart7;
+		wifi0 = &wifi;
 	};

 	max98360a: audio-codec-0 {
-- 
2.38.0