[PATCH 7/9] arm64: dts: imx8ulp-evk: Enable LPUART7
From: Peng Fan (OSS) <hidden>
Date: 2026-07-15 12:30:36
Also in:
imx, linux-devicetree, lkml
Subsystem:
arm/freescale imx / mxc arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
From: Sherry Sun <redacted> 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 <redacted> Signed-off-by: Peng Fan <peng.fan@nxp.com> --- arch/arm64/boot/dts/freescale/imx8ulp-evk.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
index 66e99cd24040f..938ead54ff50c 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts@@ -179,6 +179,14 @@ bluetooth { }; }; +&lpuart7 { + /* FT4232 PortD: need to connect J25/J26 2-3 */ + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&pinctrl_lpuart7>; + pinctrl-1 = <&pinctrl_lpuart7>; + status = "okay"; +}; + &lpi2c7 { #address-cells = <1>; #size-cells = <0>;
@@ -370,6 +378,13 @@ 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
--
2.34.1