1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2020 Sean Anderson <seanga2@gmail.com>
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
dm_test_pinmux(struct unit_test_state * uts)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
dm_test_pinctrl_single(struct unit_test_state * uts)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);
146