From: Hong Guan hguan@ti.com
The &main_uart1, which is reserved for TIFS firmware traces, is routed to the onboard FT4232 via a FET swich which is connected to pin A21 and B21 of the SoC and not E17 and C17. Fix it.
Fixes: cf39ff15cc01a ("arm64: dts: ti: k3-am62a7-sk: Describe main_uart1 and wkup_uart") Cc: stable@vger.kernel.org Signed-off-by: Hong Guan hguan@ti.com [bb@ti.com: expanded commit message] Signed-off-by: Bryan Brattlof bb@ti.com --- arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts index 3a8b45272526037b364e6e39886fcc9199114105..f11284b3fe8e23b4c48d8d2f3a7202e80dc57370 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts @@ -301,8 +301,8 @@ AM62AX_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (D15) UART0_TXD */
main_uart1_pins_default: main-uart1-default-pins { pinctrl-single,pins = < - AM62AX_IOPAD(0x01e8, PIN_INPUT, 1) /* (C17) I2C1_SCL.UART1_RXD */ - AM62AX_IOPAD(0x01ec, PIN_OUTPUT, 1) /* (E17) I2C1_SDA.UART1_TXD */ + AM62AX_IOPAD(0x01ac, PIN_INPUT, 2) /* (B21) MCASP0_AFSR.UART1_RXD */ + AM62AX_IOPAD(0x01b0, PIN_OUTPUT, 2) /* (A21) MCASP0_ACLKR.UART1_TXD */ AM62AX_IOPAD(0x0194, PIN_INPUT, 2) /* (C19) MCASP0_AXR3.UART1_CTSn */ AM62AX_IOPAD(0x0198, PIN_OUTPUT, 2) /* (B19) MCASP0_AXR2.UART1_RTSn */ >;
--- base-commit: 036cc33070b35754f45da50d81f8c3c85191c8b7 change-id: 20250707-uart-fixes-6efe27a1afe4
Best regards,