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

Fabio Estevam
2025-05-13T14:23:36Z

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@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