Add configuration to support onboard LED and button.
- LED_R: PC13 (active low/output)
- LED_G: PA1 (active low/output)
- LED_B: PA2 (active low/output)
- BOOT0: PA8 (active high/input)
And enable timer1 to control LED_G and LED_B with PWM.
Signed-off-by: TOKITA Hiroshi <tokita.hiroshi@gmail.com>
Modifying configuration to enable with gd32vf103
- Add usart definition to devicetree.
- Define USART_STAT as alias of USART_STAT0 if not defined it.
- Enable USART if SOC_SERIES_RISCV_GIGADEVICE_GD32VF103.
Signed-off-by: TOKITA Hiroshi <tokita.hiroshi@gmail.com>
SiPeed Longan Nano is a minimal development board
based on GigaDevice's RISC-V processor.
There are 2 board variations.
longan_nano: GDGD32VF103CBT6 (128K Flash/32K SRAM)
longan_nano_lite: GDGD32VF103C8T6 ( 64K Flash/20K SRAM)
Signed-off-by: TOKITA Hiroshi <tokita.hiroshi@gmail.com>
TOKITA Hiroshi