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drivers: serial: Add UART support in NPCM series. #111

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May 29, 2024
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drivers: serial: Add UART support in NPCM series. #111

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16 changes: 16 additions & 0 deletions boards/nuvoton/npcm400f_evb/npcm400f_evb.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -15,8 +15,24 @@
chosen {
zephyr,sram = &sram0;
zephyr,flash = &flash0;
zephyr,shell-uart = &uart0;
zephyr,console = &uart0;
};

aliases {
};
};

&uart0 {
status = "okay";
current-speed = <115200>;
pinctrl-0 = <&cr_uart1_sin_gp14 &cr_uart1_sout_gp15>;
pinctrl-names = "default";
};

&uart1 {
status = "okay";
current-speed = <115200>;
pinctrl-0 = <&cr_uart2_sin_gp30 &cr_uart2_sout_gp31>;
pinctrl-names = "default";
};
9 changes: 5 additions & 4 deletions boards/nuvoton/npcm400f_evb/npcm400f_evb_defconfig
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Expand Up @@ -22,12 +22,13 @@ CONFIG_PINCTRL=y
CONFIG_PINCTRL_NPCM=y

# UART Driver
CONFIG_SERIAL=n

CONFIG_SERIAL=y
CONFIG_UART_INTERRUPT_DRIVEN=y
CONFIG_UART_NPCM=y

# Console Driver
CONFIG_CONSOLE=n
CONFIG_UART_CONSOLE=n
CONFIG_CONSOLE=y
CONFIG_UART_CONSOLE=y

# GPIO Driver
CONFIG_GPIO=y
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1 change: 1 addition & 0 deletions drivers/serial/CMakeLists.txt
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Expand Up @@ -49,6 +49,7 @@ zephyr_library_sources_ifdef(CONFIG_UART_RTT_DRIVER uart_rtt.c)
zephyr_library_sources_ifdef(CONFIG_UART_XLNX_PS uart_xlnx_ps.c)
zephyr_library_sources_ifdef(CONFIG_UART_XLNX_UARTLITE uart_xlnx_uartlite.c)
zephyr_library_sources_ifdef(CONFIG_UART_XMC4XXX uart_xmc4xxx.c)
zephyr_library_sources_ifdef(CONFIG_UART_NPCM uart_npcm.c)
zephyr_library_sources_ifdef(CONFIG_UART_NPCX uart_npcx.c)
zephyr_library_sources_ifdef(CONFIG_UART_APBUART uart_apbuart.c)
zephyr_library_sources_ifdef(CONFIG_USB_CDC_ACM ${ZEPHYR_BASE}/misc/empty_file.c)
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2 changes: 2 additions & 0 deletions drivers/serial/Kconfig
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Expand Up @@ -226,6 +226,8 @@ source "drivers/serial/Kconfig.xmc4xxx"

source "drivers/serial/Kconfig.lpc11u6x"

source "drivers/serial/Kconfig.npcm"

source "drivers/serial/Kconfig.npcx"

source "drivers/serial/Kconfig.apbuart"
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13 changes: 13 additions & 0 deletions drivers/serial/Kconfig.npcm
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Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
# Copyright (c) 2024 Nuvoton Technology Corporation.
#
# SPDX-License-Identifier: Apache-2.0

config UART_NPCM
bool "NUVOTON NPCM serial driver"
select SERIAL_HAS_DRIVER
select SERIAL_SUPPORT_INTERRUPT
depends on SOC_FAMILY_NPCM
help
This option enables the UART driver for Nuvoton NPCM
family of processors.
Say y to use serial port on Nuvoton MCU.
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