test/dm/pinmux.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2020 Sean Anderson <[email protected]>
   4  */
   5
   6 #include <dm.h>
   7 #include <dm/pinctrl.h>
   8 #include <dm/test.h>
   9 #include <test/ut.h>
  10
  11 static char buf[64];
  12 #define test_muxing(selector, expected) do { \
  13         ut_assertok(pinctrl_get_pin_muxing(dev, selector, buf, sizeof(buf))); \
  14         ut_asserteq_str(expected, (char *)&buf); \
  15 } while (0)
  16
  17 #define test_muxing_regaddr(selector, regaddr, expected) do { \
  18         char estr[64] = { 0 }; \
  19         if (IS_ENABLED(CONFIG_PHYS_64BIT)) \
  20                 snprintf(estr, sizeof(estr), "0x%016llx %s", (u64)regaddr, expected); \
  21         else \
  22                 snprintf(estr, sizeof(estr), "0x%08x %s", (u32)regaddr, expected); \
  23         ut_assertok(pinctrl_get_pin_muxing(dev, selector, buf, sizeof(buf))); \
  24         ut_asserteq_str(estr, (char *)&buf); \
  25 } while (0)
  26
  27 #define test_name(selector, expected) do { \
  28         ut_assertok(pinctrl_get_pin_name(dev, selector, buf, sizeof(buf))); \
  29         ut_asserteq_str(expected, (char *)&buf); \
  30 } while (0)
  31
  32 static int dm_test_pinmux(struct unit_test_state *uts)
  33 {
  34         struct udevice *dev;
  35
  36         ut_assertok(uclass_get_device_by_name(UCLASS_PINCTRL, "pinctrl", &dev));
  37         test_muxing(0, "UART TX.");
  38         test_muxing(1, "UART RX.");
  39         test_muxing(2, "I2S SCK.");
  40         test_muxing(3, "I2S SD.");
  41         test_muxing(4, "I2S WS.");
  42         test_muxing(5, "GPIO0 bias-pull-up input-disable.");
  43         test_muxing(6, "GPIO1 drive-open-drain.");
  44         test_muxing(7, "GPIO2 bias-pull-down input-enable.");
  45         test_muxing(8, "GPIO3 bias-disable.");
  46
  47         ut_assertok(pinctrl_select_state(dev, "alternate"));
  48         test_muxing(0, "I2C SCL drive-open-drain.");
  49         test_muxing(1, "I2C SDA drive-open-drain.");
  50         test_muxing(2, "SPI SCLK.");
  51         test_muxing(3, "SPI MOSI.");
  52         test_muxing(4, "SPI MISO.");
  53         test_muxing(5, "SPI CS0.");
  54         test_muxing(6, "SPI CS1.");
  55         test_muxing(7, "GPIO2 bias-pull-down input-enable.");
  56         test_muxing(8, "GPIO3 bias-disable.");
  57
  58         ut_assertok(pinctrl_select_state(dev, "0"));
  59         test_muxing(0, "I2C SCL drive-open-drain.");
  60         test_muxing(1, "I2C SDA drive-open-drain.");
  61         test_muxing(2, "I2S SCK.");
  62         test_muxing(3, "I2S SD.");
  63         test_muxing(4, "I2S WS.");
  64         test_muxing(5, "GPIO0 bias-pull-up input-disable.");
  65         test_muxing(6, "GPIO1 drive-open-drain.");
  66         test_muxing(7, "GPIO2 bias-pull-down input-enable.");
  67         test_muxing(8, "GPIO3 bias-disable.");
  68
  69         return 0;
  70 }
  71 DM_TEST(dm_test_pinmux, UTF_SCAN_FDT);
  72
  73 static int dm_test_pinctrl_single(struct unit_test_state *uts)
  74 {
  75         struct udevice *dev;
  76         int ret;
  77
  78         ret = uclass_get_device_by_name(UCLASS_PINCTRL,
  79                                         "pinctrl-single-no-width", &dev);
  80         ut_asserteq(-EINVAL, ret);
  81         ut_assertok(uclass_get_device_by_name(UCLASS_PWM, "pwm", &dev));
  82         ut_assertok(uclass_get_device_by_name(UCLASS_SERIAL, "serial", &dev));
  83         ut_assertok(uclass_get_device_by_name(UCLASS_SPI, "spi@0", &dev));
  84         ut_assertok(uclass_get_device_by_name(UCLASS_PINCTRL,
  85                                               "pinctrl-single-pins", &dev));
  86         ut_asserteq(142, pinctrl_get_pins_count(dev));
  87         test_name(0, "PIN0");
  88         test_name(141, "PIN141");
  89         test_name(142, "Error");
  90         test_muxing_regaddr(0, 0x0, "0x00000000 UNCLAIMED");
  91         test_muxing_regaddr(18, 0x48, "0x00000006 pinmux_pwm_pins");
  92         test_muxing_regaddr(28, 0x70, "0x00000030 pinmux_uart0_pins");
  93         test_muxing_regaddr(29, 0x74, "0x00000000 pinmux_uart0_pins");
  94         test_muxing_regaddr(100, 0x190, "0x0000000c pinmux_spi0_pins");
  95         test_muxing_regaddr(101, 0x194, "0x0000000c pinmux_spi0_pins");
  96         test_muxing_regaddr(102, 0x198, "0x00000023 pinmux_spi0_pins");
  97         test_muxing_regaddr(103, 0x19c, "0x0000000c pinmux_spi0_pins");
  98         ret = pinctrl_get_pin_muxing(dev, 142, buf, sizeof(buf));
  99         ut_asserteq(-EINVAL, ret);
 100         ut_assertok(uclass_get_device_by_name(UCLASS_I2C, "i2c@0", &dev));
 101         ut_assertok(uclass_get_device_by_name(UCLASS_VIDEO, "lcd", &dev));
 102         ut_assertok(uclass_get_device_by_name(UCLASS_PINCTRL,
 103                                               "pinctrl-single-bits", &dev));
 104         ut_asserteq(160, pinctrl_get_pins_count(dev));
 105         test_name(0, "PIN0");
 106         test_name(159, "PIN159");
 107         test_name(160, "Error");
 108         test_muxing_regaddr(0, 0x0, "0x00000000 UNCLAIMED");
 109         test_muxing_regaddr(34, 0x10, "0x00000200 pinmux_i2c0_pins");
 110         test_muxing_regaddr(35, 0x10, "0x00002000 pinmux_i2c0_pins");
 111         test_muxing_regaddr(130, 0x40, "0x00000200 pinmux_lcd_pins");
 112         test_muxing_regaddr(131, 0x40, "0x00002000 pinmux_lcd_pins");
 113         test_muxing_regaddr(132, 0x40, "0x00020000 pinmux_lcd_pins");
 114         test_muxing_regaddr(133, 0x40, "0x00200000 pinmux_lcd_pins");
 115         test_muxing_regaddr(134, 0x40, "0x02000000 pinmux_lcd_pins");
 116         test_muxing_regaddr(135, 0x40, "0x20000000 pinmux_lcd_pins");
 117         test_muxing_regaddr(136, 0x44, "0x00000002 pinmux_lcd_pins");
 118         test_muxing_regaddr(137, 0x44, "0x00000020 pinmux_lcd_pins");
 119         test_muxing_regaddr(138, 0x44, "0x00000200 pinmux_lcd_pins");
 120         test_muxing_regaddr(139, 0x44, "0x00002000 pinmux_lcd_pins");
 121         test_muxing_regaddr(140, 0x44, "0x00020000 pinmux_lcd_pins");
 122         test_muxing_regaddr(141, 0x44, "0x00200000 pinmux_lcd_pins");
 123         test_muxing_regaddr(142, 0x44, "0x02000000 pinmux_lcd_pins");
 124         test_muxing_regaddr(143, 0x44, "0x20000000 pinmux_lcd_pins");
 125         test_muxing_regaddr(144, 0x48, "0x00000002 pinmux_lcd_pins");
 126         test_muxing_regaddr(145, 0x48, "0x00000020 pinmux_lcd_pins");
 127         test_muxing_regaddr(146, 0x48, "0x00000000 UNCLAIMED");
 128         test_muxing_regaddr(147, 0x48, "0x00000000 UNCLAIMED");
 129         test_muxing_regaddr(148, 0x48, "0x00000000 UNCLAIMED");
 130         test_muxing_regaddr(149, 0x48, "0x00000000 UNCLAIMED");
 131         test_muxing_regaddr(150, 0x48, "0x02000000 pinmux_lcd_pins");
 132         test_muxing_regaddr(151, 0x48, "0x00000000 UNCLAIMED");
 133         test_muxing_regaddr(152, 0x4c, "0x00000002 pinmux_lcd_pins");
 134         test_muxing_regaddr(153, 0x4c, "0x00000020 pinmux_lcd_pins");
 135         test_muxing_regaddr(154, 0x4c, "0x00000000 UNCLAIMED");
 136         test_muxing_regaddr(155, 0x4c, "0x00000000 UNCLAIMED");
 137         test_muxing_regaddr(156, 0x4c, "0x00000000 UNCLAIMED");
 138         test_muxing_regaddr(157, 0x4c, "0x00000000 UNCLAIMED");
 139         test_muxing_regaddr(158, 0x4c, "0x02000000 pinmux_lcd_pins");
 140         test_muxing_regaddr(159, 0x4c, "0x00000000 UNCLAIMED");
 141         ret = pinctrl_get_pin_muxing(dev, 160, buf, sizeof(buf));
 142         ut_asserteq(-EINVAL, ret);
 143         return 0;
 144 }
 145 DM_TEST(dm_test_pinctrl_single, UTF_SCAN_FDT);