src/soc/qualcomm/qcs405/blsp.c

   1 /* SPDX-License-Identifier: BSD-3-Clause */
   2
   3 #include <device/mmio.h>
   4 #include <soc/blsp.h>
   5 #include <soc/gpio.h>
   6 #include <soc/iomap.h>
   7 #include <soc/clock.h>
   8
   9 blsp_return_t blsp_i2c_init(blsp_qup_id_t id)
  10 {
  11         void *base;
  12
  13         switch (id) {
  14         case BLSP_QUP_ID_1:
  15                 gpio_configure
  16                         (GPIO(24), 2, GPIO_PULL_UP, GPIO_2MA, GPIO_OUTPUT);
  17                 gpio_configure
  18                         (GPIO(25), 2, GPIO_PULL_UP, GPIO_2MA, GPIO_OUTPUT);
  19                 break;
  20         default:
  21                 return BLSP_ID_ERROR;
  22         }
  23
  24         clock_configure_i2c(19200000);
  25         clock_enable_i2c();
  26
  27         base = blsp_qup_base(id);
  28
  29         if (!base)
  30                 return BLSP_ID_ERROR;
  31
  32         /* Configure Mini core to I2C core */
  33         clrsetbits32(base, BLSP_MINI_CORE_MASK, BLSP_MINI_CORE_I2C);
  34
  35         return BLSP_SUCCESS;
  36 }