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sandbox, test: add test for GPIO_HOG function

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currently gpio hog function is not tested with "ut dm gpio"
so add some basic tests for gpio hog functionality.

For this enable GPIO_HOG in sandbox_defconfig, add
in DTS some gpio hog entries, and add testcase in
"ut dm gpio" command.

Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Heiko Schocher 2020-05-22 11:08:58 +02:00 committed by Tom Rini
parent cd2faeba1a
commit 9ba84329dc
6 changed files with 47 additions and 0 deletions
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20
arch/sandbox/dts/test.dts
View File

@ -343,6 +343,26 @@
#gpio-cells = <1>;
gpio-bank-name = "a";
sandbox,gpio-count = <20>;
hog_input_active_low {
gpio-hog;
input;
gpios = <0 GPIO_ACTIVE_LOW>;
};
hog_input_active_high {
gpio-hog;
input;
gpios = <1 GPIO_ACTIVE_HIGH>;
};
hog_output_low {
gpio-hog;
output-low;
gpios = <2 GPIO_ACTIVE_HIGH>;
};
hog_output_high {
gpio-hog;
output-high;
gpios = <3 GPIO_ACTIVE_HIGH>;
};
};
gpio_b: extra-gpios {

1
configs/sandbox64_defconfig
View File

@ -97,6 +97,7 @@ CONFIG_DM_DEMO_SIMPLE=y
CONFIG_DM_DEMO_SHAPE=y
CONFIG_BOARD=y
CONFIG_BOARD_SANDBOX=y
CONFIG_GPIO_HOG=y
CONFIG_PM8916_GPIO=y
CONFIG_SANDBOX_GPIO=y
CONFIG_I2C_CROS_EC_TUNNEL=y

1
configs/sandbox_defconfig
View File

@ -114,6 +114,7 @@ CONFIG_BOARD_SANDBOX=y
CONFIG_DMA=y
CONFIG_DMA_CHANNELS=y
CONFIG_SANDBOX_DMA=y
CONFIG_GPIO_HOG=y
CONFIG_PM8916_GPIO=y
CONFIG_SANDBOX_GPIO=y
CONFIG_DM_HWSPINLOCK=y

1
configs/sandbox_flattree_defconfig
View File

@ -82,6 +82,7 @@ CONFIG_DM_DEMO_SIMPLE=y
CONFIG_DM_DEMO_SHAPE=y
CONFIG_BOARD=y
CONFIG_BOARD_SANDBOX=y
CONFIG_GPIO_HOG=y
CONFIG_PM8916_GPIO=y
CONFIG_SANDBOX_GPIO=y
CONFIG_I2C_CROS_EC_TUNNEL=y

1
configs/sandbox_spl_defconfig
View File

@ -101,6 +101,7 @@ CONFIG_DM_DEMO_SHAPE=y
CONFIG_BOARD=y
CONFIG_BOARD_SANDBOX=y
CONFIG_SPL_FIRMWARE=y
CONFIG_GPIO_HOG=y
CONFIG_PM8916_GPIO=y
CONFIG_SANDBOX_GPIO=y
CONFIG_I2C_CROS_EC_TUNNEL=y

23
test/dm/gpio.c
View File

@ -20,6 +20,7 @@ static int dm_test_gpio(struct unit_test_state *uts)
unsigned int offset, gpio;
struct dm_gpio_ops *ops;
struct udevice *dev;
struct gpio_desc *desc;
const char *name;
int offset_count;
char buf[80];
@ -109,6 +110,28 @@ static int dm_test_gpio(struct unit_test_state *uts)
ut_asserteq_str("a", name);
ut_asserteq(20, offset_count);
/* add gpio hog tests */
ut_assertok(gpio_hog_lookup_name("hog_input_active_low", &desc));
ut_asserteq(GPIOD_IS_IN | GPIOD_ACTIVE_LOW, desc->flags);
ut_asserteq(0, desc->offset);
ut_asserteq(1, dm_gpio_get_value(desc));
ut_assertok(gpio_hog_lookup_name("hog_input_active_high", &desc));
ut_asserteq(GPIOD_IS_IN, desc->flags);
ut_asserteq(1, desc->offset);
ut_asserteq(0, dm_gpio_get_value(desc));
ut_assertok(gpio_hog_lookup_name("hog_output_low", &desc));
ut_asserteq(GPIOD_IS_OUT, desc->flags);
ut_asserteq(2, desc->offset);
ut_asserteq(0, dm_gpio_get_value(desc));
ut_assertok(dm_gpio_set_value(desc, 1));
ut_asserteq(1, dm_gpio_get_value(desc));
ut_assertok(gpio_hog_lookup_name("hog_output_high", &desc));
ut_asserteq(GPIOD_IS_OUT, desc->flags);
ut_asserteq(3, desc->offset);
ut_asserteq(1, dm_gpio_get_value(desc));
ut_assertok(dm_gpio_set_value(desc, 0));
ut_asserteq(0, dm_gpio_get_value(desc));
return 0;
}
DM_TEST(dm_test_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);