src/soc/rockchip/rk3288/gpio.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <gpio.h>
   4 #include <soc/addressmap.h>
   5 #include <soc/grf.h>
   6 #include <soc/pmu.h>
   7 #include <soc/soc.h>
   8
   9 struct rockchip_gpio_regs *gpio_port[] = {
  10         (struct rockchip_gpio_regs *)GPIO0_BASE,
  11         (struct rockchip_gpio_regs *)GPIO1_BASE,
  12         (struct rockchip_gpio_regs *)GPIO2_BASE,
  13         (struct rockchip_gpio_regs *)GPIO3_BASE,
  14         (struct rockchip_gpio_regs *)GPIO4_BASE,
  15         (struct rockchip_gpio_regs *)GPIO5_BASE,
  16         (struct rockchip_gpio_regs *)GPIO6_BASE,
  17         (struct rockchip_gpio_regs *)GPIO7_BASE,
  18         (struct rockchip_gpio_regs *)GPIO8_BASE
  19 };
  20
  21 #define PMU_GPIO_PORT 0
  22
  23 int is_pmu_gpio(gpio_t gpio)
  24 {
  25         if (gpio.port == PMU_GPIO_PORT)
  26                 return 1;
  27         return 0;
  28 }
  29
  30 void *gpio_grf_reg(gpio_t gpio)
  31 {
  32         if (is_pmu_gpio(gpio))
  33                 return &rk3288_pmu->gpio0pull[gpio.bank];
  34         /* There is one pmu gpio, gpio0, so " - 1" */
  35         return &rk3288_grf->gpio1_p[(gpio.port - 1)][gpio.bank];
  36 }
  37
  38 u32 gpio_get_pull_val(gpio_t gpio, enum gpio_pull pull)
  39 {
  40         /* use the default gpio pull bias setting defined in soc/gpio.h */
  41         return pull;
  42 }