linux-kernel - [PATCH v2 5/5] arm64: dts: qcom: Add Bluetooth support on RB5

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Date:   Thu, 28 Jan 2021 20:52:25 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Stanimir Varbanov <svarbanov@...sol.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>
Cc:     linux-arm-msm@...r.kernel.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pci@...r.kernel.org
Subject: [PATCH v2 5/5] arm64: dts: qcom: Add Bluetooth support on RB5

From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>

Add Bluetooth support on RB5 using the onboard QCA6391 WLAN+BT chipset.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
[DB: added qca6391 power domain, removed s2f regulator]
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 29 ++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
index b39a9729395f..c65c13994a86 100644
--- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
+++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
@@ -19,6 +19,7 @@ / {
 	compatible = "qcom,qrb5165-rb5", "qcom,sm8250";
 
 	aliases {
+		hsuart0 = &uart6;
 		serial0 = &uart12;
 		sdhc2 = &sdhc_2;
 	};
@@ -689,6 +690,26 @@ &pm8150_rtc {
 	status = "okay";
 };
 
+&qup_uart6_default {
+	ctsrx {
+		pins = "gpio16", "gpio19";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	rts {
+		pins = "gpio17";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	tx {
+		pins = "gpio18";
+		drive-strength = <2>;
+		bias-pull-up;
+	};
+};
+
 &qupv3_id_0 {
 	status = "okay";
 };
@@ -1194,6 +1215,14 @@ wlan-en {
 	};
 };
 
+&uart6 {
+	status = "okay";
+	bluetooth {
+		compatible = "qcom,qca6390-bt";
+		power-domains = <&qca6391>;
+	};
+};
+
 &uart12 {
 	status = "okay";
 };
-- 
2.29.2