arch/arm/mach-snapdragon/pinctrl-apq8096.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Qualcomm APQ8096 pinctrl
   4  *
   5  * (C) Copyright 2019 Ramon Fried <ramon.fried@gmail.com>
   6  *
   7  */
   8
   9 #include "pinctrl-snapdragon.h"
  10 #include <common.h>
  11
  12 #define MAX_PIN_NAME_LEN 32
  13 static char pin_name[MAX_PIN_NAME_LEN];
  14 static const char * const msm_pinctrl_pins[] = {
  15         "SDC1_CLK",
  16         "SDC1_CMD",
  17         "SDC1_DATA",
  18         "SDC2_CLK",
  19         "SDC2_CMD",
  20         "SDC2_DATA",
  21         "SDC1_RCLK",
  22 };
  23
  24 static const struct pinctrl_function msm_pinctrl_functions[] = {
  25         {"blsp_uart8", 2},
  26 };
  27
  28 static const char *apq8096_get_function_name(struct udevice *dev,
  29                                              unsigned int selector)
  30 {
  31         return msm_pinctrl_functions[selector].name;
  32 }
  33
  34 static const char *apq8096_get_pin_name(struct udevice *dev,
  35                                         unsigned int selector)
  36 {
  37         if (selector < 150) {
  38                 snprintf(pin_name, MAX_PIN_NAME_LEN, "GPIO_%u", selector);
  39                 return pin_name;
  40         } else {
  41                 return msm_pinctrl_pins[selector - 150];
  42         }
  43 }
  44
  45 static unsigned int apq8096_get_function_mux(unsigned int selector)
  46 {
  47         return msm_pinctrl_functions[selector].val;
  48 }
  49
  50 struct msm_pinctrl_data apq8096_data = {
  51         .pin_count = 157,
  52         .functions_count = ARRAY_SIZE(msm_pinctrl_functions),
  53         .get_function_name = apq8096_get_function_name,
  54         .get_function_mux = apq8096_get_function_mux,
  55         .get_pin_name = apq8096_get_pin_name,
  56 };