arch/arm/mach-snapdragon/pinctrl-apq8016.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Qualcomm APQ8016 pinctrl
   4  *
   5  * (C) Copyright 2018 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         "QDSD_CLK",
  22         "QDSD_CMD",
  23         "QDSD_DATA0",
  24         "QDSD_DATA1",
  25         "QDSD_DATA2",
  26         "QDSD_DATA3",
  27 };
  28
  29 static const struct pinctrl_function msm_pinctrl_functions[] = {
  30         {"blsp1_uart", 2},
  31 };
  32
  33 static const char *apq8016_get_function_name(struct udevice *dev,
  34                                              unsigned int selector)
  35 {
  36         return msm_pinctrl_functions[selector].name;
  37 }
  38
  39 static const char *apq8016_get_pin_name(struct udevice *dev,
  40                                         unsigned int selector)
  41 {
  42         if (selector < 122) {
  43                 snprintf(pin_name, MAX_PIN_NAME_LEN, "GPIO_%u", selector);
  44                 return pin_name;
  45         } else {
  46                 return msm_pinctrl_pins[selector - 122];
  47         }
  48 }
  49
  50 static unsigned int apq8016_get_function_mux(unsigned int selector)
  51 {
  52         return msm_pinctrl_functions[selector].val;
  53 }
  54
  55 struct msm_pinctrl_data apq8016_data = {
  56         .pin_count = 133,
  57         .functions_count = ARRAY_SIZE(msm_pinctrl_functions),
  58         .get_function_name = apq8016_get_function_name,
  59         .get_function_mux = apq8016_get_function_mux,
  60         .get_pin_name = apq8016_get_pin_name,
  61 };
  62