linux-kernel - [PATCH v3 7/7] arm64: dts: qcom: qrb5165-rb5: add QCA6391 WiFi+BT SoC

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Date:   Tue, 22 Jun 2021 01:31:41 +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>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>
Cc:     linux-arm-msm@...r.kernel.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-bluetooth@...r.kernel.org
Subject: [PATCH v3 7/7] arm64: dts: qcom: qrb5165-rb5: add QCA6391 WiFi+BT SoC

Describe the onboard WiFi+BT SoC QCA6391. It is connected to uart6 to
provide Bluetooth functionality (QCA) and to PCIe to provide WiFi
(ath11k). A separate power sequencer device node is used to describe
on-SoC power management unit common to both WiFi and BT parts.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 56 ++++++++++++++++++++++++
 1 file changed, 56 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
index 5f41de20aa22..f968208b1947 100644
--- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
+++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
@@ -20,6 +20,7 @@ / {
 
 	aliases {
 		serial0 = &uart12;
+		serial1 = &uart6;
 		sdhc2 = &sdhc_2;
 	};
 
@@ -223,6 +224,28 @@ vreg_s4a_1p8: vreg-s4a-1p8 {
 		regulator-max-microvolt = <1800000>;
 		regulator-always-on;
 	};
+
+	qca6391: qca6391 {
+		compatible = "qcom,qca6390";
+
+		vddaon-supply = <&vreg_s6a_0p95>;
+		vddpmu-supply = <&vreg_s2f_0p95>;
+		vddrfa1-supply = <&vreg_s2f_0p95>;
+		vddrfa2-supply = <&vreg_s8c_1p3>;
+		vddrfa3-supply = <&vreg_s5a_1p9>;
+		vddpcie1-supply = <&vreg_s8c_1p3>;
+		vddpcie2-supply = <&vreg_s5a_1p9>;
+		vddio-supply = <&vreg_s4a_1p8>;
+	};
+
+	vreg_wlan: vreg-wlan {
+		compatible = "regulator-fixed";
+		regulator-name = "vreg-wlan";
+
+		vin-supply = <&qca6391>;
+		gpio = <&tlmm 20 GPIO_ACTIVE_LOW>;
+		enable-active-high;
+	};
 };
 
 &adsp {
@@ -668,6 +691,8 @@ &pcie0 {
 	wake-gpio = <&tlmm 81 GPIO_ACTIVE_HIGH>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pcie0_default_state>;
+
+	vddpe-3v3-supply = <&vreg_wlan>;
 };
 
 &pcie0_phy {
@@ -811,6 +836,26 @@ lt9611_rst_pin: lt9611-rst-pin {
 	};
 };
 
+&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";
 };
@@ -1275,6 +1320,17 @@ sdc2_card_det_n: sd-card-det-n {
 	};
 };
 
+&uart6 {
+	status = "okay";
+	bluetooth {
+		compatible = "qcom,qca6390-bt";
+		vin-supply = <&qca6391>;
+		clocks = <&sleep_clk>;
+
+		enable-gpios = <&tlmm 21 GPIO_ACTIVE_HIGH>;
+	};
+};
+
 &uart12 {
 	status = "okay";
 };
-- 
2.30.2