linux-hardening - [PATCH 4/4] arm64: dts: qcom: sm6115p-j606f: Enable ATH10K WiFi

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Date:   Thu, 06 Apr 2023 17:25:53 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Kees Cook <keescook@...omium.org>,
        Tony Luck <tony.luck@...el.com>,
        "Guilherme G. Piccoli" <gpiccoli@...lia.com>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 4/4] arm64: dts: qcom: sm6115p-j606f: Enable ATH10K WiFi

Enable the onboard QCA Wi-Fi. HW identifiers for reference:
qmi chip_id 0x320 chip_family 0x4001 board_id 0xff soc_id 0x400e0000

Firmware sources:
/vendor/firmware_mnt/image/wlanmdsp.bin -> qcom/.../wlanmdsp.mbn
/vendor/firmware_mnt/image/bdwlan.bXX [1] -> [2] -> ath10k/.../board-2.bin
[3] -> ath10k/.../firmware-5.bin

Not sure where 3 comes from on the device itself, gotta investigate that..

According to [4], it's called WCN3990_STRAIT.

[1] XX = board_id printed when the file is missing or by your downstream
kernel firmware loader in the dmesg; if XX=ff, use bdwlan.bin

[2] https://github.com/jhugo/linux/blob/5.5rc2_wifi/README
[3] https://github.com/kvalo/ath10k-firmware/blob/master/WCN3990/hw1.0/HL3.1/WLAN.HL.3.1-01040-QCAHLSWMTPLZ-1/firmware-5.bin
[4] https://git.codelinaro.org/clo/la/platform/vendor/qcom-opensource/wlan/qca-wifi-host-cmn/-/blob/LA.VENDOR.1.0.r1-20700-WAIPIO.QSSI13.0/hif/src/hif_hw_version.h#L55

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm6115p-lenovo-j606f.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm6115p-lenovo-j606f.dts b/arch/arm64/boot/dts/qcom/sm6115p-lenovo-j606f.dts
index 2aac25171dec..4ba8e59a27d8 100644
--- a/arch/arm64/boot/dts/qcom/sm6115p-lenovo-j606f.dts
+++ b/arch/arm64/boot/dts/qcom/sm6115p-lenovo-j606f.dts
@@ -315,6 +315,14 @@ &usb_hsphy {
 	status = "okay";
 };
 
+&wifi {
+	vdd-0.8-cx-mx-supply = <&pm6125_l8>;
+	vdd-1.8-xo-supply = <&pm6125_l16>;
+	vdd-1.3-rfa-supply = <&pm6125_l17>;
+	vdd-3.3-ch0-supply = <&pm6125_l23>;
+	status = "okay";
+};
+
 &xo_board {
 	clock-frequency = <19200000>;
 };

-- 
2.40.0