[PATCH v2] arm64: dts: qcom: sc7280: Add bluetooth node on SC7280

From: Balakrishna Godavarthi
Date: Tue Oct 12 2021 - 09:02:38 EST


Add bluetooth SoC WCN6750 node for SC7280 IDP boards.

Signed-off-by: Balakrishna Godavarthi <bgodavar@xxxxxxxxxxxxxx>
---
v2:
* merged two patches into one
* Removed unused comments
* Removed pinmux & pin conf.
* Addressed reviewers comments

v1: initial patch
---
arch/arm64/boot/dts/qcom/sc7280-idp.dts | 6 ++++++
arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 25 +++++++++++++++++++++++++
arch/arm64/boot/dts/qcom/sc7280-idp2.dts | 6 ++++++
3 files changed, 37 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
index 64fc22a..d8b9262 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
@@ -16,7 +16,9 @@
compatible = "qcom,sc7280-idp", "google,senor", "qcom,sc7280";

aliases {
+ bluetooth0 = &bluetooth;
serial0 = &uart5;
+ serial1 = &uart7;
};

chosen {
@@ -68,3 +70,7 @@
qcom,pre-scaling = <1 1>;
};
};
+
+&bluetooth {
+ vddio-supply = <&vreg_l19b_1p8>;
+};
diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
index 272d5ca..09adc802 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
@@ -393,6 +393,23 @@
<&tlmm 31 IRQ_TYPE_EDGE_FALLING>;
pinctrl-names = "default", "sleep";
pinctrl-1 = <&qup_uart7_sleep_cts>, <&qup_uart7_sleep_rts>, <&qup_uart7_sleep_tx>, <&qup_uart7_sleep_rx>;
+
+ bluetooth: wcn6750-bt {
+ compatible = "qcom,wcn6750-bt";
+ pinctrl-names = "default";
+ pinctrl-0 = <&bt_en_default>;
+ enable-gpios = <&tlmm 85 GPIO_ACTIVE_HIGH>;
+ swctrl-gpios = <&tlmm 86 GPIO_ACTIVE_HIGH>;
+ vddaon-supply = <&vreg_s7b_0p9>;
+ vddbtcxmx-supply = <&vreg_s7b_0p9>;
+ vddrfacmn-supply = <&vreg_s7b_0p9>;
+ vddrfa0p8-supply = <&vreg_s7b_0p9>;
+ vddrfa1p7-supply = <&vreg_s1b_1p8>;
+ vddrfa1p2-supply = <&vreg_s8b_1p2>;
+ vddrfa2p2-supply = <&vreg_s1c_2p2>;
+ vddasd-supply = <&vreg_l11c_2p8>;
+ max-speed = <3200000>;
+ };
};

/* PINCTRL - additions to nodes defined in sc7280.dtsi */
@@ -504,6 +521,14 @@
*/
bias-pull-up;
};
+
+ bt_en_default: bt_en_default {
+ pins = "gpio85";
+ function = "gpio";
+ drive-strength = <2>;
+ output-low;
+ bias-pull-down;
+ };
};

&sdc1_on {
diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp2.dts b/arch/arm64/boot/dts/qcom/sc7280-idp2.dts
index 1fc2add..e60fa88 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp2.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp2.dts
@@ -14,10 +14,16 @@
compatible = "qcom,sc7280-idp2", "google,piglin", "qcom,sc7280";

aliases {
+ bluetooth0 = &bluetooth;
serial0 = &uart5;
+ serial1 = &uart7;
};

chosen {
stdout-path = "serial0:115200n8";
};
};
+
+&bluetooth {
+ vddio-supply = <&vreg_l18b_1p8>;
+};
--
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