linux-kernel - [PATCH] arch/arm/boot/dts/st/ste-ux500-samsung: dts bluetooth wakeup interrupt

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Message-ID: <20250823212732.356620-1-alex.t.tran@gmail.com>
Date: Sat, 23 Aug 2025 14:27:32 -0700
From: Alex Tran <alex.t.tran@...il.com>
To: linus.walleij@...aro.org
Cc: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Alex Tran <alex.t.tran@...il.com>
Subject: [PATCH] arch/arm/boot/dts/st/ste-ux500-samsung: dts bluetooth wakeup interrupt

Interrupt support on host wakeup gpio for ste-ux500-samsung bluetooth.

Signed-off-by: Alex Tran <alex.t.tran@...il.com>
---
 arch/arm/boot/dts/st/ste-ux500-samsung-codina-tmo.dts | 5 +++--
 arch/arm/boot/dts/st/ste-ux500-samsung-codina.dts     | 5 +++--
 arch/arm/boot/dts/st/ste-ux500-samsung-janice.dts     | 5 +++--
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boot/dts/st/ste-ux500-samsung-codina-tmo.dts b/arch/arm/boot/dts/st/ste-ux500-samsung-codina-tmo.dts
index c623cc35c5ea..03c679164c11 100644
--- a/arch/arm/boot/dts/st/ste-ux500-samsung-codina-tmo.dts
+++ b/arch/arm/boot/dts/st/ste-ux500-samsung-codina-tmo.dts
@@ -383,8 +383,9 @@ bluetooth {
 				/* BT_WAKE on GPIO199 */
 				device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
 				/* BT_HOST_WAKE on GPIO97 */
-				/* FIXME: convert to interrupt */
-				host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
+				interrupt-parent = <&gpio3>;
+				interrupts = <1 IRQ_TYPE_EDGE_RISING>;
+				interrupt-names = "host-wakeup";
 				/* BT_RST_N on GPIO209 */
 				reset-gpios = <&gpio6 17 GPIO_ACTIVE_LOW>;
 				pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/st/ste-ux500-samsung-codina.dts b/arch/arm/boot/dts/st/ste-ux500-samsung-codina.dts
index 2355ca6e9ad6..bedffd969ec9 100644
--- a/arch/arm/boot/dts/st/ste-ux500-samsung-codina.dts
+++ b/arch/arm/boot/dts/st/ste-ux500-samsung-codina.dts
@@ -475,8 +475,9 @@ bluetooth {
 				/* BT_WAKE on GPIO199 */
 				device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
 				/* BT_HOST_WAKE on GPIO97 */
-				/* FIXME: convert to interrupt */
-				host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
+				interrupt-parent = <&gpio3>;
+				interrupts = <1 IRQ_TYPE_EDGE_RISING>;
+				interrupt-names = "host-wakeup";
 				/* BT_RST_N on GPIO209 */
 				reset-gpios = <&gpio6 17 GPIO_ACTIVE_LOW>;
 				pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/st/ste-ux500-samsung-janice.dts b/arch/arm/boot/dts/st/ste-ux500-samsung-janice.dts
index 229f7c32103c..64562a3a262c 100644
--- a/arch/arm/boot/dts/st/ste-ux500-samsung-janice.dts
+++ b/arch/arm/boot/dts/st/ste-ux500-samsung-janice.dts
@@ -481,8 +481,9 @@ bluetooth {
 				/* BT_WAKE on GPIO199 */
 				device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
 				/* BT_HOST_WAKE on GPIO97 */
-				/* FIXME: convert to interrupt */
-				host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
+				interrupt-parent = <&gpio3>;
+				interrupts = <1 IRQ_TYPE_EDGE_RISING>;
+				interrupt-names = "host-wakeup";
 				/* BT_RST_N on GPIO209 */
 				reset-gpios = <&gpio6 17 GPIO_ACTIVE_LOW>;
 				pinctrl-names = "default";
-- 
2.51.0