2021-07-23 20:23:44

by Julian Weigt

[permalink] [raw]
Subject: [PATCH 2/2] ARM: dts: msm8974: castor: Add Bluetooth-related nodes

From: Bjorn Andersson <[email protected]>

Castor has a BCM4339 attached to BLSP2 UART7, add the necessary nodes to
define the uart as well as the serdev BCM.

Signed-off-by: Bjorn Andersson <[email protected]>
Signed-off-by: Julian Weigt <[email protected]>
---
.../dts/qcom-msm8974-sony-xperia-castor.dts | 81 +++++++++++++++++++
1 file changed, 81 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-msm8974-sony-xperia-castor.dts b/arch/arm/boot/dts/qcom-msm8974-sony-xperia-castor.dts
index f4ec08f13003..b4dd85bd4faf 100644
--- a/arch/arm/boot/dts/qcom-msm8974-sony-xperia-castor.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-sony-xperia-castor.dts
@@ -11,6 +11,7 @@ / {

aliases {
serial0 = &blsp1_uart2;
+ serial1 = &blsp2_uart7;
};

chosen {
@@ -336,6 +337,27 @@ serial@f991e000 {
pinctrl-0 = <&blsp1_uart2_pin_a>;
};

+ serial@f995d000 {
+ status = "ok";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&blsp2_uart7_pin_a>;
+
+ bluetooth {
+ compatible = "brcm,bcm43438-bt";
+ max-speed = <3000000>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&bt_host_wake_pin>,
+ <&bt_dev_wake_pin>,
+ <&bt_reg_on_pin>;
+
+ host-wakeup-gpios = <&msmgpio 95 GPIO_ACTIVE_HIGH>;
+ device-wakeup-gpios = <&msmgpio 96 GPIO_ACTIVE_HIGH>;
+ shutdown-gpios = <&pm8941_gpios 16 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
usb@f9a55000 {
status = "okay";

@@ -380,6 +402,40 @@ tx {
};
};

+ blsp2_uart7_pin_a: blsp2-uart7-pin-active {
+ tx {
+ pins = "gpio41";
+ function = "blsp_uart7";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ rx {
+ pins = "gpio42";
+ function = "blsp_uart7";
+
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ cts {
+ pins = "gpio43";
+ function = "blsp_uart7";
+
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ rts {
+ pins = "gpio44";
+ function = "blsp_uart7";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
+
i2c8_pins: i2c8 {
mux {
pins = "gpio47", "gpio48";
@@ -479,6 +535,23 @@ pin {
input-enable;
};
};
+
+ bt_host_wake_pin: bt-host-wake {
+ pins = "gpio95";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-disable;
+ output-low;
+ };
+
+ bt_dev_wake_pin: bt-dev-wake {
+ pins = "gpio96";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
};

i2c@f9964000 {
@@ -606,6 +679,14 @@ gpio_keys_pin_a: gpio-keys-active {
power-source = <PM8941_GPIO_S3>;
};

+ bt_reg_on_pin: bt-reg-on {
+ pins = "gpio16";
+ function = "normal";
+
+ output-low;
+ power-source = <PM8941_GPIO_S3>;
+ };
+
wlan_sleep_clk_pin: wl-sleep-clk {
pins = "gpio17";
function = "func2";
--
2.32.0