# Configure UART in sensor low-power island (SLPI) processor

Source: [https://docs.qualcomm.com/doc/80-88500-1/topic/28_Configure_UART_in_sensor_low_power_island__SLPI__processor.html](https://docs.qualcomm.com/doc/80-88500-1/topic/28_Configure_UART_in_sensor_low_power_island__SLPI__processor.html)

## About this task
To add or remove any UART in the sensor low-power island
      (SLPI) processor (`slpi_proc`), see the following example and modify the
        /slpi\_proc/core/settings/buses/uart\_lite/config/sm8250/slpi/uart\_config.c
      file: 
UART_PROPERTIES uart_devices[] =
    {
       {
          .port_id          = UART_INSTANCE_07,
          .uart_base_phy    = 0x02698000,
          .uart_base        = 0,
          .gpio_tx_config   = 0x2001c101,
          .gpio_rx_config   = 0x20008111,
          .gpio_cts_config  = 0x20008102,
          .gpio_rfr_config  = 0x2001c112,
          .bus_clock_id     = (void*)0,
          .core_clock_id    = (void*)(se_clocks_str + 6),
          .irq_num          = 37,
          .tcsr_base        = 0,
          .tcsr_offset      = 0,
          .tcsr_value       = 0,
          .wakeup_irq_num   = 136,
       },
       {
          .port_id          = UART_INSTANCE_08,
          .uart_base_phy    = 0x0269C000,
          .uart_base        = 0,
          .gpio_tx_config   = 0x2001c121,
          .gpio_rx_config   = 0x20008131,
          .gpio_cts_config  = 0x20008082,
          .gpio_rfr_config  = 0x2001c092,
          .bus_clock_id     = (void*)0,
          .core_clock_id    = (void*)(se_clocks_str + 7),
          .irq_num          = 29,
          .tcsr_base        = 0,
          .tcsr_offset      = 0,
          .tcsr_value       = 0,
          .wakeup_irq_num   = 135,
       }Copy to clipboard

UART test file: slpi\_proc/core/buses/uart\_lite/src/uart\_test.c

**Parent Topic:** [UART in QUP](https://docs.qualcomm.com/doc/80-88500-1/topic/29_UART_in_QUP_v3.html)

Last Published: Aug 18, 2023

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