sandbox, test: add test for GPIO_HOG function
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>
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index 5ce5e28..24bb3ce 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -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 {
diff --git a/configs/sandbox64_defconfig b/configs/sandbox64_defconfig
index a3f049e..0f9a27c 100644
--- a/configs/sandbox64_defconfig
+++ b/configs/sandbox64_defconfig
@@ -97,6 +97,7 @@
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
diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 5b75693..6f450aa 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -114,6 +114,7 @@
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
diff --git a/configs/sandbox_flattree_defconfig b/configs/sandbox_flattree_defconfig
index 21f9047..05ce9bd 100644
--- a/configs/sandbox_flattree_defconfig
+++ b/configs/sandbox_flattree_defconfig
@@ -82,6 +82,7 @@
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
diff --git a/configs/sandbox_spl_defconfig b/configs/sandbox_spl_defconfig
index fc8b26e..f5e90f7 100644
--- a/configs/sandbox_spl_defconfig
+++ b/configs/sandbox_spl_defconfig
@@ -101,6 +101,7 @@
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
diff --git a/test/dm/gpio.c b/test/dm/gpio.c
index b5ee4e4..ecba566 100644
--- a/test/dm/gpio.c
+++ b/test/dm/gpio.c
@@ -20,6 +20,7 @@
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 @@
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);