linux-kernel - [PATCH v2] arm64: dts: qcom: sc7180: Add missing properties for Wifi node

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Message-Id: <1594615586-17055-1-git-send-email-pillair@codeaurora.org>
Date:   Mon, 13 Jul 2020 10:16:26 +0530
From:   Rakesh Pillai <pillair@...eaurora.org>
To:     devicetree@...r.kernel.org
Cc:     dianders@...omium.org, evgreen@...omium.org,
        Rakesh Pillai <pillair@...eaurora.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] arm64: dts: qcom: sc7180: Add missing properties for Wifi node

The wlan firmware memory is statically mapped in
the Trusted Firmware, hence the wlan driver does
not need to map/unmap this region dynamically.

Hence add the property to indicate the wlan driver
to not map/unamp the firmware memory region
dynamically.

Also add the chain1 voltage supply for wlan.

Signed-off-by: Rakesh Pillai <pillair@...eaurora.org>
---
Changes from v1:
- Add the wifi mac alias

This patch is created on top of the change by
Douglas Anderson.
https://lkml.org/lkml/2020/6/25/817

Also the dt-bindings for the chain1 voltage supply
is added by the below patch series:
https://patchwork.kernel.org/project/linux-wireless/list/?series=309137
---
 arch/arm64/boot/dts/qcom/sc7180-idp.dts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
index 472f7f4..c042d61 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
+++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
@@ -19,6 +19,7 @@
 
 	aliases {
 		bluetooth0 = &bluetooth;
+		wifi0 = &wifi;
 		hsuart0 = &uart3;
 		serial0 = &uart8;
 	};
@@ -391,10 +392,12 @@
 
 &wifi {
 	status = "okay";
+	qcom,msa-fixed-perm;
 	vdd-0.8-cx-mx-supply = <&vreg_l9a_0p6>;
 	vdd-1.8-xo-supply = <&vreg_l1c_1p8>;
 	vdd-1.3-rfa-supply = <&vreg_l2c_1p3>;
 	vdd-3.3-ch0-supply = <&vreg_l10c_3p3>;
+	vdd-3.3-ch1-supply = <&vreg_l11c_3p3>;
 	wifi-firmware {
 		iommus = <&apps_smmu 0xc2 0x1>;
 	};
-- 
2.7.4