From 35bdffecf91b8f31a526116d488022fa0f5e09ad Mon Sep 17 00:00:00 2001 From: Sherry Sun Date: Mon, 20 Jul 2026 22:12:15 +0800 Subject: [PATCH] arm64: dts: imx8ulp-evk: Enable LPUART7 The i.MX 8ULP EVK proto1B revision routes LPUART7 TX/RX to the FT4232 PortD connector (J25/J26 pins 2-3). Enable the port by default so the additional serial console is available out of the box. Signed-off-by: Sherry Sun Signed-off-by: Peng Fan Signed-off-by: Frank Li --- arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts index 84c61656f3f2..9da54291c753 100644 --- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts @@ -178,6 +178,13 @@ bluetooth { }; }; +&lpuart7 { + /* FT4232 PortD: need to connect J25/J26 2-3 */ + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_lpuart7>; + status = "okay"; +}; + &lpi2c7 { #address-cells = <1>; #size-cells = <0>; @@ -369,6 +376,13 @@ MX8ULP_PAD_PTE8__LPUART6_CTS_B 0x3 >; }; + pinctrl_lpuart7: lpuart7grp { + fsl,pins = < + MX8ULP_PAD_PTF22__LPUART7_TX 0x3 + MX8ULP_PAD_PTF23__LPUART7_RX 0x3 + >; + }; + pinctrl_lpi2c7: lpi2c7grp { fsl,pins = < MX8ULP_PAD_PTE12__LPI2C7_SCL 0x20