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arm64: dts: ti: k3-am62a7-sk: Describe main_uart1 and wkup_uart

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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@ti.com>
[bb@ti.com: updated pinmux and commit subject]
Signed-off-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20230425221708.549675-1-bb@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Nishanth Menon 2023-04-25 17:17:08 -05:00 committed by Vignesh Raghavendra
parent 13fdc081fb
commit cf39ff15cc
1 changed files with 38 additions and 2 deletions
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40
arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
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@ -17,7 +17,9 @@ / {
model = "Texas Instruments AM62A7 SK"; model = "Texas Instruments AM62A7 SK";
aliases { aliases {
serial0 = &wkup_uart0;
serial2 = &main_uart0; serial2 = &main_uart0;
serial3 = &main_uart1;
mmc1 = &sdhci1; 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_pmx0 {
main_uart0_pins_default: main-uart0-pins-default { main_uart0_pins_default: main-uart0-pins-default {
pinctrl-single,pins = < pinctrl-single,pins = <
AM62AX_IOPAD(0x1c8, PIN_INPUT, 0) /* (D14) UART0_RXD */ AM62AX_IOPAD(0x1c8, PIN_INPUT, 0) /* (E14) UART0_RXD */
AM62AX_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (E14) UART0_TXD */ 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>; 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 { &usbss1 {
status = "okay"; status = "okay";
}; };