diff options
| -rw-r--r-- | arch/sandbox/dts/test.dts | 10 | ||||
| -rw-r--r-- | test/dm/bus.c | 2 | ||||
| -rw-r--r-- | test/dm/gpio.c | 102 | ||||
| -rw-r--r-- | test/dm/test-fdt.c | 6 |
4 files changed, 116 insertions, 4 deletions
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index 2f559265a50..ceed2be65c9 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -121,6 +121,9 @@ <&gpio_c 5 GPIO_IN>, <&gpio_c 6 (GPIO_ACTIVE_LOW|GPIO_OUT|GPIO_OPEN_DRAIN)>, <&gpio_c 7 (GPIO_ACTIVE_LOW|GPIO_OUT|GPIO_OPEN_SOURCE)>; + test4-gpios = <&gpio_a 14>, <&gpio_b 4 1 3 2 1>; + test5-gpios = <&gpio_a 19>; + int-value = <1234>; uint-value = <(-1234)>; int64-value = /bits/ 64 <0x1111222233334444>; @@ -270,6 +273,13 @@ compatible = "denx,u-boot-devres-test"; }; + another-test { + reg = <0 2>; + compatible = "denx,u-boot-fdt-test"; + test4-gpios = <&gpio_a 14>, <&gpio_b 4 1 3 2 1>; + test5-gpios = <&gpio_a 19>; + }; + acpi_test1: acpi-test { compatible = "denx,u-boot-acpi-test"; acpi-ssdt-test-data = "ab"; diff --git a/test/dm/bus.c b/test/dm/bus.c index 865e8bd9fbe..27b72666457 100644 --- a/test/dm/bus.c +++ b/test/dm/bus.c @@ -120,7 +120,7 @@ UCLASS_DRIVER(testbus) = { /* Test that we can probe for children */ static int dm_test_bus_children(struct unit_test_state *uts) { - int num_devices = 8; + int num_devices = 9; struct udevice *bus; struct uclass *uc; diff --git a/test/dm/gpio.c b/test/dm/gpio.c index 4848152644a..54e960b1857 100644 --- a/test/dm/gpio.c +++ b/test/dm/gpio.c @@ -10,6 +10,7 @@ #include <malloc.h> #include <acpi/acpi_device.h> #include <asm/gpio.h> +#include <dm/device-internal.h> #include <dm/root.h> #include <dm/test.h> #include <dm/util.h> @@ -480,3 +481,104 @@ static int dm_test_gpio_get_acpi_irq(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_gpio_get_acpi_irq, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test that we can get/release GPIOs using managed API */ +static int dm_test_gpio_devm(struct unit_test_state *uts) +{ + static const u32 flags = GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE; + struct gpio_desc *desc1, *desc2, *desc3, *desc_err; + struct udevice *dev; + struct udevice *dev2; + + ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "a-test", + &dev)); + ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "another-test", + &dev2)); + + /* Get 3 GPIOs from 'a-test' dev */ + desc1 = devm_gpiod_get_index(dev, "test4", 0, flags); + ut_assert(!IS_ERR(desc1)); + desc2 = devm_gpiod_get_index(dev, "test4", 1, flags); + ut_assert(!IS_ERR(desc2)); + desc3 = devm_gpiod_get_index_optional(dev, "test5", 0, flags); + ut_assert(!IS_ERR(desc3)); + ut_assert(desc3); + + /* + * Try get the same 3 GPIOs from 'a-test' and 'another-test' devices. + * check that it fails + */ + desc_err = devm_gpiod_get_index(dev, "test4", 0, flags); + ut_asserteq(-EBUSY, PTR_ERR(desc_err)); + desc_err = devm_gpiod_get_index(dev2, "test4", 0, flags); + ut_asserteq(-EBUSY, PTR_ERR(desc_err)); + desc_err = devm_gpiod_get_index(dev, "test4", 1, flags); + ut_asserteq(-EBUSY, PTR_ERR(desc_err)); + desc_err = devm_gpiod_get_index(dev2, "test4", 1, flags); + ut_asserteq(-EBUSY, PTR_ERR(desc_err)); + desc_err = devm_gpiod_get_index_optional(dev, "test5", 0, flags); + ut_asserteq_ptr(NULL, desc_err); + desc_err = devm_gpiod_get_index_optional(dev2, "test5", 0, flags); + ut_asserteq_ptr(NULL, desc_err); + + /* Try get GPIOs outside of the list */ + desc_err = devm_gpiod_get_index(dev, "test4", 2, flags); + ut_assert(IS_ERR(desc_err)); + desc_err = devm_gpiod_get_index_optional(dev, "test5", 1, flags); + ut_asserteq_ptr(NULL, desc_err); + + /* Manipulate the GPIOs */ + ut_assertok(dm_gpio_set_value(desc1, 1)); + ut_asserteq(1, dm_gpio_get_value(desc1)); + ut_assertok(dm_gpio_set_value(desc1, 0)); + ut_asserteq(0, dm_gpio_get_value(desc1)); + + ut_assertok(dm_gpio_set_value(desc2, 1)); + ut_asserteq(1, dm_gpio_get_value(desc2)); + ut_assertok(dm_gpio_set_value(desc2, 0)); + ut_asserteq(0, dm_gpio_get_value(desc2)); + + ut_assertok(dm_gpio_set_value(desc3, 1)); + ut_asserteq(1, dm_gpio_get_value(desc3)); + ut_assertok(dm_gpio_set_value(desc3, 0)); + ut_asserteq(0, dm_gpio_get_value(desc3)); + + /* Check that the GPIO cannot be owned by more than one device */ + desc_err = devm_gpiod_get_index(dev2, "test4", 0, flags); + ut_asserteq(-EBUSY, PTR_ERR(desc_err)); + desc_err = devm_gpiod_get_index(dev2, "test4", 1, flags); + ut_asserteq(-EBUSY, PTR_ERR(desc_err)); + desc_err = devm_gpiod_get_index_optional(dev2, "test5", 0, flags); + ut_asserteq_ptr(NULL, desc_err); + + /* + * Release one GPIO and check that we can get it back using + * 'another-test' and then 'a-test' + */ + devm_gpiod_put(dev, desc2); + desc2 = devm_gpiod_get_index(dev2, "test4", 1, flags); + ut_assert(!IS_ERR(desc2)); + + devm_gpiod_put(dev2, desc2); + desc2 = devm_gpiod_get_index(dev, "test4", 1, flags); + ut_assert(!IS_ERR(desc2)); + + /* Release one GPIO before removing the 'a-test' dev. */ + devm_gpiod_put(dev, desc2); + device_remove(dev, DM_REMOVE_NORMAL); + + /* All the GPIOs must have been freed. We should be able to claim + * them with the 'another-test' device. + */ + desc1 = devm_gpiod_get_index(dev2, "test4", 0, flags); + ut_assert(!IS_ERR(desc1)); + desc2 = devm_gpiod_get_index(dev2, "test4", 1, flags); + ut_assert(!IS_ERR(desc2)); + desc3 = devm_gpiod_get_index_optional(dev2, "test5", 0, flags); + ut_assert(!IS_ERR(desc3)); + ut_assert(desc3); + + device_remove(dev2, DM_REMOVE_NORMAL); + return 0; +} +DM_TEST(dm_test_gpio_devm, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); diff --git a/test/dm/test-fdt.c b/test/dm/test-fdt.c index 04802deb7fc..26d57f40d14 100644 --- a/test/dm/test-fdt.c +++ b/test/dm/test-fdt.c @@ -251,7 +251,7 @@ int dm_check_devices(struct unit_test_state *uts, int num_devices) /* Test that FDT-based binding works correctly */ static int dm_test_fdt(struct unit_test_state *uts) { - const int num_devices = 8; + const int num_devices = 9; struct udevice *dev; struct uclass *uc; int ret; @@ -473,12 +473,12 @@ static int dm_test_uclass_foreach(struct unit_test_state *uts) count = 0; uclass_id_foreach_dev(UCLASS_TEST_FDT, dev, uc) count++; - ut_asserteq(8, count); + ut_asserteq(9, count); count = 0; uclass_foreach_dev(dev, uc) count++; - ut_asserteq(8, count); + ut_asserteq(9, count); return 0; } |