@@ -17,7 +17,9 @@ / {
model = "Texas Instruments AM62A7 SK";
aliases {
+ serial0 = &wkup_uart0;
serial2 = &main_uart0;
+ serial3 = &main_uart1;
mmc1 = &sdhci1;
};
@@ -114,6 +116,24 @@ led-0 {
};
};
+&mcu_pmx0 {
+ wkup_uart0_pins_default: wkup-uart0-pins-default {
+ pinctrl-single,pins = <
+ AM62X_MCU_IOPAD(0x02c, PIN_INPUT, 0) /* (C6) WKUP_UART0_CTSn */
+ AM62X_MCU_IOPAD(0x030, PIN_OUTPUT, 0) /* (A4) WKUP_UART0_RTSn */
+ AM62X_MCU_IOPAD(0x024, PIN_INPUT, 0) /* (B4) WKUP_UART0_RXD */
+ AM62X_MCU_IOPAD(0x028, PIN_OUTPUT, 0) /* (C5) WKUP_UART0_TXD */
+ >;
+ };
+};
+
+/* 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 = <
@@ -122,6 +142,15 @@ AM62AX_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (E14) UART0_TXD */
>;
};
+ main_uart1_pins_default: main-uart1-pins-default {
+ pinctrl-single,pins = <
+ AM62X_IOPAD(0x194, PIN_INPUT, 2) /* (B19) MCASP0_AXR3.UART1_CTSn */
+ AM62X_IOPAD(0x198, PIN_OUTPUT, 2) /* (A19) MCASP0_AXR2.UART1_RTSn */
+ AM62X_IOPAD(0x1ac, PIN_INPUT, 2) /* (E19) MCASP0_AFSR.UART1_RXD */
+ AM62X_IOPAD(0x1b0, PIN_OUTPUT, 2) /* (A20) MCASP0_ACLKR.UART1_TXD */
+ >;
+ };
+
main_i2c0_pins_default: main-i2c0-pins-default {
pinctrl-single,pins = <
AM62AX_IOPAD(0x1e0, PIN_INPUT_PULLUP, 0) /* (B16) I2C0_SCL */
@@ -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";
};
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> --- arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 36 +++++++++++++++++++++++++ 1 file changed, 36 insertions(+)