linux-kernel - [PATCH 3/3] arm64: tegra: wire up WiFi on Jetson TX1 module

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Message-ID: <20240821185829.20997-4-tmn505@terefe.re>
Date: Wed, 21 Aug 2024 20:58:05 +0200
From: Tomasz Maciej Nowak <tmn505@...efe.re>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Nicolas Chauvet <kwizart@...il.com>,
	Diogo Ivo <diogo.ivo@...nico.ulisboa.pt>
Cc: devicetree@...r.kernel.org,
	linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Tomasz Maciej Nowak <tmn505@...il.com>
Subject: [PATCH 3/3] arm64: tegra: wire up WiFi on Jetson TX1 module

From: Tomasz Maciej Nowak <tmn505@...il.com>

P2180 modules have WiFi in form of BCM4354 chip, and kernel driver
supports this one, so enable it for all users. The necessary calibration
file can be obtained from Jetson Linux Archive. nvram.txt file is located
in "Driver Package (BSP)" in
nv_tegra/l4t_deb_packages/nvidia-l4t-firmware_<version>_arm64.deb
archive. The rest of necessary blobs can be obtained from official
Linux Firmware repository or (newer ones) from Infineon
ifx-linux-firmware repository (look in older releases).

Signed-off-by: Tomasz Maciej Nowak <tmn505@...il.com>
---
 .../arm64/boot/dts/nvidia/tegra210-p2180.dtsi | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
index 64b8668fcdcd..c00db75e3910 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
@@ -340,6 +340,25 @@ pmc@...0e400 {
 		nvidia,sys-clock-req-active-high;
 	};
 
+	mmc@...b0200 {
+		status = "okay";
+		bus-width = <4>;
+		non-removable;
+		power-gpios = <&gpio TEGRA_GPIO(H, 0) GPIO_ACTIVE_HIGH>;
+		vqmmc-supply = <&vdd_1v8>;
+		vmmc-supply = <&vdd_3v3_sys>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		wifi@1 {
+			compatible = "brcm,bcm4354-fmac";
+			reg = <1>;
+			interrupt-parent = <&gpio>;
+			interrupts = <TEGRA_GPIO(H, 2) IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "host-wake";
+		};
+	};
+
 	/* eMMC */
 	mmc@...b0600 {
 		status = "okay";
-- 
2.46.0