linux-kernel - [PATCH] arm64: dts: tegra: smaug: Add Bluetooth node

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Date:   Fri, 26 Aug 2022 23:02:18 +0100
From:   Diogo Ivo <diogo.ivo@...nico.ulisboa.pt>
To:     diogo.ivo@...nico.ulisboa.pt
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        thierry.reding@...il.com, jonathanh@...dia.com, arnd@...db.de,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: tegra: smaug: Add Bluetooth node

The Google Pixel C contains a BRCM4354 Bluetooth module.
Add a DT node for it. Tested on Pixel C.

Signed-off-by: Diogo Ivo <diogo.ivo@...nico.ulisboa.pt>
---
 arch/arm64/boot/dts/nvidia/tegra210-smaug.dts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
index 8a8ca9c48f42..afd05391e78a 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts
@@ -17,6 +17,7 @@ / {
 
 	aliases {
 		serial0 = &uarta;
+		serial3 = &uartd;
 	};
 
 	chosen {
@@ -1340,6 +1341,22 @@ serial@...06000 {
 		status = "okay";
 	};
 
+	uartd: serial@...06300 {
+		compatible = "nvidia,tegra30-hsuart";
+		status = "okay";
+
+		bluetooth {
+			compatible = "brcm,bcm43540-bt";
+			max-speed = <4000000>;
+			brcm,bt-pcm-int-params = [01 02 00 01 01];
+			device-wakeup-gpios = <&gpio TEGRA_GPIO(H, 3) GPIO_ACTIVE_HIGH>;
+			shutdown-gpios = <&gpio TEGRA_GPIO(H, 4) GPIO_ACTIVE_HIGH>;
+			interrupt-parent = <&gpio>;
+			interrupts = <TEGRA_GPIO(H, 5) IRQ_TYPE_EDGE_FALLING>;
+			interrupt-names = "host-wakeup";
+		};
+	};
+
 	i2c@...0c400 {
 		status = "okay";
 		clock-frequency = <1000000>;
-- 
2.37.2