mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

arm64: dts: ti: k3-j784s4-evm: Add mcu and wakeup uarts 

Add wakeup and MCU uart. This allows the device tree usage in
bootloader and firmwares that can configure the same appropriately.

Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Udit Kumar <u-kumar1@ti.com>
Link: https://lore.kernel.org/r/20230602214937.2349545-3-nm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Nishanth Menon 2023-06-02 16:49:31 -05:00 committed by Vignesh Raghavendra
parent 14462bd0b2
commit 6fa5d37a2f
1 changed files with 33 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
View File

@ -20,6 +20,8 @@
};
aliases {
serial0 = &wkup_uart0;
serial1 = &mcu_uart0;
serial2 = &main_uart8;
mmc0 = &main_sdhci0;
mmc1 = &main_sdhci1;
@ -286,6 +288,24 @@
};
&wkup_pmx2 {
wkup_uart0_pins_default: wkup-uart0-pins-default {
pinctrl-single,pins = <
J721S2_WKUP_IOPAD(0x070, PIN_INPUT, 0) /* (L37) WKUP_GPIO0_6.WKUP_UART0_CTSn */
J721S2_WKUP_IOPAD(0x074, PIN_INPUT, 0) /* (L36) WKUP_GPIO0_7.WKUP_UART0_RTSn */
J721S2_WKUP_IOPAD(0x048, PIN_INPUT, 0) /* (K35) WKUP_UART0_RXD */
J721S2_WKUP_IOPAD(0x04c, PIN_INPUT, 0) /* (K34) WKUP_UART0_TXD */
>;
};
mcu_uart0_pins_default: mcu-uart0-pins-default {
pinctrl-single,pins = <
J784S4_WKUP_IOPAD(0x090, PIN_INPUT, 0) /* (H37) WKUP_GPIO0_14.MCU_UART0_CTSn */
J784S4_WKUP_IOPAD(0x094, PIN_OUTPUT, 0) /* (K37) WKUP_GPIO0_15.MCU_UART0_RTSn */
J784S4_WKUP_IOPAD(0x08c, PIN_INPUT, 0) /* (K38) WKUP_GPIO0_13.MCU_UART0_RXD */
J784S4_WKUP_IOPAD(0x088, PIN_OUTPUT, 0) /* (J37) WKUP_GPIO0_12.MCU_UART0_TXD */
>;
};
mcu_cpsw_pins_default: mcu-cpsw-pins-default {
pinctrl-single,pins = <
J784S4_WKUP_IOPAD(0x02c, PIN_INPUT, 0) /* (A35) MCU_RGMII1_RD0 */
@ -370,6 +390,19 @@
};
};
&wkup_uart0 {
/* Firmware usage */
status = "reserved";
pinctrl-names = "default";
pinctrl-0 = <&wkup_uart0_pins_default>;
};
&mcu_uart0 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&mcu_uart0_pins_default>;
};
&main_uart8 {
status = "okay";
pinctrl-names = "default";