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Subject[PATCH v4] arm64: dts: qcom: sc7280: Add bluetooth node on SC7280 IDP boards
Date
Add bluetooth SoC WCN6750 node for SC7280 IDP boards.

Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org>
---
v4:
* updated commit subject
* Removed drive strength for bt_en
* updated swctrl_gpio name to sw_ctrl

v3:
* Addressed reviewers comments
* Added pin config for sw_ctrl line.
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 | 4 ++++
arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 36 ++++++++++++++++++++++++++++++++
arch/arm64/boot/dts/qcom/sc7280-idp2.dts | 4 ++++
3 files changed, 44 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
index 9b991ba..19bd228 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
@@ -56,6 +56,10 @@
};
};

+&bluetooth {
+ vddio-supply = <&vreg_l19b_1p8>;
+};
+
&ipa {
status = "okay";
modem-init;
diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
index d623d71..a146d0d 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
@@ -14,6 +14,11 @@
#include "pmk8350.dtsi"

/ {
+ aliases {
+ bluetooth0 = &bluetooth;
+ serial1 = &uart7;
+ };
+
gpio-keys {
compatible = "gpio-keys";
label = "gpio-keys";
@@ -422,6 +427,23 @@
<&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: bluetooth {
+ compatible = "qcom,wcn6750-bt";
+ pinctrl-names = "default";
+ pinctrl-0 = <&bt_en>, <&sw_ctrl>;
+ 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 */
@@ -491,6 +513,13 @@
};

&tlmm {
+ bt_en: bt-en {
+ pins = "gpio85";
+ function = "gpio";
+ output-low;
+ bias-disable;
+ };
+
nvme_pwren: nvme-pwren {
function = "gpio";
};
@@ -554,6 +583,13 @@
*/
bias-pull-up;
};
+
+ sw_ctrl: sw-ctrl {
+ pins = "gpio86";
+ function = "gpio";
+ input-enable;
+ 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 0382c77..73b9911 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp2.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp2.dts
@@ -23,6 +23,10 @@
};
};

+&bluetooth {
+ vddio-supply = <&vreg_l18b_1p8>;
+};
+
&nvme_pwren {
pins = "gpio51";
};
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
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