[PATCH] ARM: dts: exynos: Add bluetooth support to manta
From: Lukas Timmermann
Date: Wed Apr 08 2026 - 07:57:22 EST
Enable the bcm4330-bt device for manta boards on serial0.
Also adds the necessary pin definitions and interrupt handling for
wakeup.
Signed-off-by: Lukas Timmermann <linux@timmermann.space>
Co-developed-by: Alexandre Marquet <tb@xxxxxxxxxxxx>
Signed-off-by: Alexandre Marquet <tb@xxxxxxxxxxxx>
---
This patch depends on previous patches which are
currently only found in linux-next.
See: https://lore.kernel.org/all/177214038655.341086.4114348823043257597.b4-ty@xxxxxxxxxx/
---
arch/arm/boot/dts/samsung/exynos5250-manta.dts | 41 +++++++++++++++++++++++++-
1 file changed, 40 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/samsung/exynos5250-manta.dts b/arch/arm/boot/dts/samsung/exynos5250-manta.dts
index 24a27b342227..76d3657eb22f 100644
--- a/arch/arm/boot/dts/samsung/exynos5250-manta.dts
+++ b/arch/arm/boot/dts/samsung/exynos5250-manta.dts
@@ -461,6 +461,13 @@ acc_int: acc-int-pins {
samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
};
+ bt_host_wakeup: bt-host-wakeup-pins {
+ samsung,pins = "gpx2-6";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+ };
+
max77686_irq: max77686-irq-pins {
samsung,pins = "gpx0-2";
samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
@@ -488,6 +495,20 @@ bh1721fvc_reset: bh1721fvc-reset-pins {
samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
};
+ bt_reg_on: bt-reg-on-pins {
+ samsung,pins = "gph0-0";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
+ samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>;
+ samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_NONE>;
+ };
+
+ bt_wake: bt-wake-pins {
+ samsung,pins = "gph1-3";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
+ samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>;
+ samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_NONE>;
+ };
+
msense_reset: msense-reset-pins {
samsung,pins = "gpg2-0";
samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
@@ -536,7 +557,25 @@ &sd1_cmd {
/* Bluetooth */
&serial_0 {
- status = "disabled";
+ pinctrl-0 = <&uart0_data &uart0_fctl>;
+ pinctrl-names = "default";
+
+ bluetooth {
+ compatible = "brcm,bcm4330-bt";
+
+ pinctrl-0 = <&bt_reg_on &bt_wake &bt_host_wakeup>;
+ pinctrl-names = "default";
+
+ shutdown-gpios = <&gph0 0 GPIO_ACTIVE_HIGH>;
+ device-wakeup-gpios = <&gph1 3 GPIO_ACTIVE_HIGH>;
+
+ interrupt-parent = <&gpx2>;
+ interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
+ interrupt-names = "host-wakeup";
+
+ clocks = <&max77686 MAX77686_CLK_PMIC>;
+ clock-names = "lpo";
+ };
};
/* GPS */
---
base-commit: e5f7e05a699f41275d6380c497293446034bc8af
change-id: 20260404-manta-bluetooth-836133028bb6
Best regards,
--
Lukas Timmermann <linux@timmermann.space>