[PATCH 1/3] ARM: dts: imx7s-warp: Improve the Bluetooth description

Fabio Estevam festevam at gmail.com
Tue May 13 07:23:18 PDT 2025


GPIO5_17 is connected to the BCM43455 BT_REG_ON pin.

Improve the Bluetooth devicetree description by using a more accurate
description of the hardware as per brcm,bluetooth.yaml.

Signed-off-by: Fabio Estevam <festevam at gmail.com>
---
 arch/arm/boot/dts/nxp/imx/imx7s-warp.dts | 20 ++++++++------------
 1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/arch/arm/boot/dts/nxp/imx/imx7s-warp.dts b/arch/arm/boot/dts/nxp/imx/imx7s-warp.dts
index af4acc311572..b66e612d3329 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7s-warp.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx7s-warp.dts
@@ -43,18 +43,6 @@ reg_brcm: regulator-brcm {
 		startup-delay-us = <200000>;
 	};
 
-	reg_bt: regulator-bt {
-		compatible = "regulator-fixed";
-		pinctrl-names = "default";
-		pinctrl-0 = <&pinctrl_bt_reg>;
-		enable-active-high;
-		gpio = <&gpio5 17 GPIO_ACTIVE_HIGH>;
-		regulator-name = "bt_reg";
-		regulator-min-microvolt = <3300000>;
-		regulator-max-microvolt = <3300000>;
-		regulator-always-on;
-	};
-
 	reg_peri_3p15v: regulator-peri-3p15v {
 		compatible = "regulator-fixed";
 		regulator-name = "peri_3p15v_reg";
@@ -288,6 +276,14 @@ &uart3  {
 	assigned-clock-parents = <&clks IMX7D_PLL_SYS_MAIN_240M_CLK>;
 	uart-has-rtscts;
 	status = "okay";
+
+	bluetooth {
+		compatible = "brcm,bcm4345c5";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_bt_reg>;
+		shutdown-gpios = <&gpio5 17 GPIO_ACTIVE_HIGH>;
+		max-speed = <3000000>;
+	};
 };
 
 &uart6 {
-- 
2.34.1




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