test/dm/pinmux.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2020 Sean Anderson <seanga2@gmail.com>
   4  */
   5
   6 #include <common.h>
   7 #include <dm.h>
   8 #include <dm/pinctrl.h>
   9 #include <dm/test.h>
  10 #include <test/ut.h>
  11
  12 static int dm_test_pinmux(struct unit_test_state *uts)
  13 {
  14         char buf[64];
  15         struct udevice *dev;
  16
  17 #define test_muxing(selector, expected) do { \
  18         ut_assertok(pinctrl_get_pin_muxing(dev, selector, buf, sizeof(buf))); \
  19         ut_asserteq_str(expected, (char *)&buf); \
  20 } while (0)
  21
  22         ut_assertok(uclass_get_device_by_name(UCLASS_PINCTRL, "pinctrl", &dev));
  23         test_muxing(0, "UART TX.");
  24         test_muxing(1, "UART RX.");
  25         test_muxing(2, "I2S SCK.");
  26         test_muxing(3, "I2S SD.");
  27         test_muxing(4, "I2S WS.");
  28         test_muxing(5, "GPIO0 bias-pull-up input-disable.");
  29         test_muxing(6, "GPIO1 drive-open-drain.");
  30         test_muxing(7, "GPIO2 bias-pull-down input-enable.");
  31         test_muxing(8, "GPIO3 bias-disable.");
  32
  33         ut_assertok(pinctrl_select_state(dev, "alternate"));
  34         test_muxing(0, "I2C SCL drive-open-drain.");
  35         test_muxing(1, "I2C SDA drive-open-drain.");
  36         test_muxing(2, "SPI SCLK.");
  37         test_muxing(3, "SPI MOSI.");
  38         test_muxing(4, "SPI MISO.");
  39         test_muxing(5, "SPI CS0.");
  40         test_muxing(6, "SPI CS1.");
  41         test_muxing(7, "GPIO2 bias-pull-down input-enable.");
  42         test_muxing(8, "GPIO3 bias-disable.");
  43
  44         ut_assertok(pinctrl_select_state(dev, "0"));
  45         test_muxing(0, "I2C SCL drive-open-drain.");
  46         test_muxing(1, "I2C SDA drive-open-drain.");
  47         test_muxing(2, "I2S SCK.");
  48         test_muxing(3, "I2S SD.");
  49         test_muxing(4, "I2S WS.");
  50         test_muxing(5, "GPIO0 bias-pull-up input-disable.");
  51         test_muxing(6, "GPIO1 drive-open-drain.");
  52         test_muxing(7, "GPIO2 bias-pull-down input-enable.");
  53         test_muxing(8, "GPIO3 bias-disable.");
  54
  55         return 0;
  56 }
  57 DM_TEST(dm_test_pinmux, UT_TESTF_SCAN_FDT);