MLK-13743-02 ARM: dtsi: imx7ulp-evk: add modem gpio reset

Add modem gpio reset for lpuart6 port.

Signed-off-by: Fugang Duan <fugang.duan@nxp.com>

diff --git a/arch/arm/boot/dts/imx7ulp-evk.dts b/arch/arm/boot/dts/imx7ulp-evk.dts
index 1e20bcd..88e23c5 100644 (file)
--- a/arch/arm/boot/dts/imx7ulp-evk.dts
+++ b/arch/arm/boot/dts/imx7ulp-evk.dts
@@ -47,6 +47,13 @@
                #reset-cells = <0>;
        };
 
+       modem_reset: modem-reset {
+               compatible = "gpio-reset";
+               reset-gpios = <&gpio2 7 GPIO_ACTIVE_LOW>;
+               reset-delay-us = <1000>;
+               #reset-cells = <0>;
+       };
+
        regulators {
                compatible = "simple-bus";
                #address-cells = <1>;
@@ -397,6 +404,7 @@
        pinctrl-names = "default", "sleep";
        pinctrl-0 = <&pinctrl_lpuart6>;
        pinctrl-1 = <&pinctrl_lpuart6>;
+       resets = <&modem_reset>;
        status = "okay";
 };