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authorSimon Glass <sjg@chromium.org>2018-10-01 12:22:40 -0600
committerSimon Glass <sjg@chromium.org>2018-10-09 04:40:27 -0600
commit5d9a88f44a93daf623906fee7ca20fa396460ae2 (patch)
tree1ce98cc7c8752f59280d131a8ad0cb2c32ac6071 /test
parentd07b6e145ec2f0e77aab0fbe15dfd87f40170a8c (diff)
test: panel: Add a test for the panel uclass
At present this uclass has no tests. Add a simple one which checks the PWM configuration, regulator and GPIO. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'test')
-rw-r--r--test/dm/Makefile1
-rw-r--r--test/dm/panel.c50
2 files changed, 51 insertions, 0 deletions
diff --git a/test/dm/Makefile b/test/dm/Makefile
index 57c7dfbcaf..b490cf2862 100644
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -25,6 +25,7 @@ obj-$(CONFIG_DM_MAILBOX) += mailbox.o
obj-$(CONFIG_DM_MMC) += mmc.o
obj-y += ofnode.o
obj-$(CONFIG_OSD) += osd.o
+obj-$(CONFIG_DM_VIDEO) += panel.o
obj-$(CONFIG_DM_PCI) += pci.o
obj-$(CONFIG_PHY) += phy.o
obj-$(CONFIG_POWER_DOMAIN) += power-domain.o
diff --git a/test/dm/panel.c b/test/dm/panel.c
new file mode 100644
index 0000000000..ca032409f8
--- /dev/null
+++ b/test/dm/panel.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Test for panel uclass
+ *
+ * Copyright (c) 2018 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <backlight.h>
+#include <dm.h>
+#include <panel.h>
+#include <video.h>
+#include <asm/gpio.h>
+#include <asm/test.h>
+#include <dm/test.h>
+#include <test/ut.h>
+#include <power/regulator.h>
+
+/* Basic test of the panel uclass */
+static int dm_test_panel(struct unit_test_state *uts)
+{
+ struct udevice *dev, *pwm, *gpio, *reg;
+ uint period_ns;
+ uint duty_ns;
+ bool enable;
+ bool polarity;
+
+ ut_assertok(uclass_first_device_err(UCLASS_PANEL, &dev));
+ ut_assertok(uclass_first_device_err(UCLASS_PWM, &pwm));
+ ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
+ ut_assertok(regulator_get_by_platname("VDD_EMMC_1.8V", &reg));
+ ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
+ &enable, &polarity));
+ ut_asserteq(false, enable);
+ ut_asserteq(false, regulator_get_enable(reg));
+
+ ut_assertok(panel_enable_backlight(dev));
+ ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
+ &enable, &polarity));
+ ut_asserteq(1000, period_ns);
+ ut_asserteq(170 * 1000 / 256, duty_ns);
+ ut_asserteq(true, enable);
+ ut_asserteq(false, polarity);
+ ut_asserteq(1, sandbox_gpio_get_value(gpio, 1));
+ ut_asserteq(true, regulator_get_enable(reg));
+
+ return 0;
+}
+DM_TEST(dm_test_panel, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);