Please fix $subject: arm64: dts: ti: On 13:33-20230424, Bryan Brattlof wrote: > From: Nishanth Menon <nm@xxxxxx> > > wkup_uart and main_uart1 on this platform is used by tifs and DM > firmwares. Describe them for completeness including the pinmux. > > Signed-off-by: Nishanth Menon <nm@xxxxxx> > [bb@xxxxxx: updated pinmux] > Signed-off-by: Bryan Brattlof <bb@xxxxxx> > --- > arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 40 +++++++++++++++++++++++-- > 1 file changed, 38 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 f6a67f072dca6..65caa5611d6d5 100644 > --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts > +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts > @@ -17,7 +17,9 @@ / { > model = "Texas Instruments AM62A7 SK"; > > aliases { > + serial0 = &wkup_uart0; > serial2 = &main_uart0; > + serial3 = &main_uart1; > mmc1 = &sdhci1; > }; > > @@ -114,11 +116,38 @@ led-0 { > }; > }; > > +&mcu_pmx0 { > + wkup_uart0_pins_default: wkup-uart0-pins-default { > + pinctrl-single,pins = < > + AM62AX_MCU_IOPAD(0x0024, PIN_INPUT, 0) /* (C9) WKUP_UART0_RXD */ > + AM62AX_MCU_IOPAD(0x0028, PIN_OUTPUT, 0) /* (E9) WKUP_UART0_TXD */ > + AM62AX_MCU_IOPAD(0x002c, PIN_INPUT, 0) /* (C10) WKUP_UART0_CTSn */ > + AM62AX_MCU_IOPAD(0x0030, PIN_OUTPUT, 0) /* (C8) WKUP_UART0_RTSn */ > + >; > + }; > +}; > + > +/* WKUP UART0 is used for DM firmware logs */ > +&wkup_uart0 { > + pinctrl-names = "default"; > + pinctrl-0 = <&wkup_uart0_pins_default>; > + status = "reserved"; > +}; > + > &main_pmx0 { > main_uart0_pins_default: main-uart0-pins-default { > pinctrl-single,pins = < > - AM62AX_IOPAD(0x1c8, PIN_INPUT, 0) /* (D14) UART0_RXD */ > - AM62AX_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (E14) UART0_TXD */ > + AM62AX_IOPAD(0x1c8, PIN_INPUT, 0) /* (E14) UART0_RXD */ > + AM62AX_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (D15) UART0_TXD */ > + >; > + }; > + > + main_uart1_pins_default: main-uart1-pins-default { > + 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(0x0194, PIN_INPUT, 2) /* (C19) MCASP0_AXR3.UART1_CTSn */ > + AM62AX_IOPAD(0x0198, PIN_OUTPUT, 2) /* (B19) MCASP0_AXR2.UART1_RTSn */ > >; > }; > > @@ -254,6 +283,13 @@ &main_uart0 { > pinctrl-0 = <&main_uart0_pins_default>; > }; > > +/* Main UART1 is used for TIFS firmware logs */ > +&main_uart1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&main_uart1_pins_default>; > + status = "reserved"; > +}; > + > &usbss1 { > status = "okay"; > }; > > base-commit: 891db0c48efb48c3af334006f9d7ea6a0aa49cb9 > -- > 2.40.0 > -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D