Add tests for video bridge ops.
Signed-off-by: Svyatoslav Ryhel <clamo...@gmail.com>
---
arch/sandbox/dts/test.dts | 46 +++++++++++++++++++++++++++
configs/sandbox_defconfig | 2 ++
test/dm/Makefile | 1 +
test/dm/video_bridge.c | 67 +++++++++++++++++++++++++++++++++++++++
4 files changed, 116 insertions(+)
create mode 100644 test/dm/video_bridge.c
diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index 80291958533..52e9ddbf50f 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -1047,6 +1047,31 @@
};
};
+ lvds-encoder {
+ compatible = "lvds-encoder";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ bridge_input: endpoint {
+ /* link to output */
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ bridge_output: endpoint {
+ remote-endpoint = <&panel_input>;
+ };
+ };
+ };
+ };
+
wdt-gpio-toggle {
gpios = <&gpio_a 8 0>;
compatible = "linux,wdt-gpio";
@@ -1402,6 +1427,27 @@
panel {
compatible = "simple-panel";
backlight = <&backlight 0 100>;
+
+ display-timings {
+ timing@0 {
+ /* 1280x800@60Hz */
+ clock-frequency = <68000000>;
+ hactive = <1280>;
+ hfront-porch = <48>;
+ hback-porch = <18>;
+ hsync-len = <30>;
+ vactive = <800>;
+ vfront-porch = <3>;
+ vback-porch = <12>;
+ vsync-len = <5>;
+ };
+ };
+
+ port {
+ panel_input: endpoint {
+ remote-endpoint = <&bridge_output>;
+ };
+ };
};
scsi {
diff --git a/configs/sandbox_defconfig b/configs/sandbox_defconfig
index 7b35ad8a88f..396c58c5658 100644
--- a/configs/sandbox_defconfig
+++ b/configs/sandbox_defconfig
@@ -328,6 +328,8 @@ CONFIG_USB_ETH_CDC=y
CONFIG_VIDEO=y
CONFIG_VIDEO_FONT_SUN12X22=y
CONFIG_VIDEO_COPY=y
+CONFIG_VIDEO_BRIDGE=y
+CONFIG_VIDEO_BRIDGE_LVDS_CODEC=y
CONFIG_CONSOLE_ROTATION=y
CONFIG_CONSOLE_TRUETYPE=y
CONFIG_CONSOLE_TRUETYPE_CANTORAONE=y
diff --git a/test/dm/Makefile b/test/dm/Makefile
index e44f3d89e77..3afcc26ca57 100644
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -63,6 +63,7 @@ obj-$(CONFIG_SOUND) += i2s.o
obj-$(CONFIG_CLK_K210_SET_RATE) += k210_pll.o
obj-$(CONFIG_IOMMU) += iommu.o
obj-$(CONFIG_LED) += led.o
+obj-$(CONFIG_VIDEO_BRIDGE_LVDS_CODEC) += video_bridge.o
obj-$(CONFIG_DM_MAILBOX) += mailbox.o
obj-$(CONFIG_DM_MDIO) += mdio.o
obj-$(CONFIG_DM_MDIO_MUX) += mdio_mux.o
diff --git a/test/dm/video_bridge.c b/test/dm/video_bridge.c
new file mode 100644
index 00000000000..f55a333c0b8
--- /dev/null
+++ b/test/dm/video_bridge.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Test for video bridge uclass
+ *
+ * Copyright (c) 2025 Svyatoslav Ryhel <clamo...@gmail.com>
+ */
+
+#include <backlight.h>
+#include <dm.h>
+#include <panel.h>
+#include <video.h>
+#include <video_bridge.h>
+#include <asm/gpio.h>
+#include <asm/test.h>
+#include <dm/test.h>
+#include <power/regulator.h>
+#include <test/test.h>
+#include <test/ut.h>
+
+/* Basic test of the video uclass, test is based on driven panel */
+static int dm_test_video_bridge(struct unit_test_state *uts)
+{
+ struct udevice *dev, *pwm, *gpio, *reg;
+ uint period_ns, duty_ns;
+ bool enable, polarity;
+ struct display_timing timing;
+
+ ut_assertok(uclass_first_device_err(UCLASS_VIDEO_BRIDGE, &dev));
+ ut_assertok(uclass_get_device_by_name(UCLASS_PWM, "pwm", &pwm));
+ ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio));
+ ut_assertok(regulator_get_by_platname("VDD_EMMC_1.8V", ®));
+ ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
+ &enable, &polarity));
+ ut_asserteq(false, enable);
+ ut_asserteq(true, regulator_get_enable(reg));
+
+ /* bridge calls panel_enable_backlight() of panel */
+ ut_assertok(video_bridge_attach(dev));
+ ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
+ &enable, &polarity));
+ ut_asserteq(1000, period_ns);
+ ut_asserteq(170 * 1000 / 255, 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));
+
+ /* bridge calls panel_set_backlight() of panel */
+ ut_assertok(video_bridge_set_backlight(dev, BACKLIGHT_DEFAULT));
+ ut_assertok(sandbox_pwm_get_config(pwm, 0, &period_ns, &duty_ns,
+ &enable, &polarity));
+ ut_asserteq(true, enable);
+ ut_asserteq(170 * 1000 / 255, duty_ns);
+
+ /* bridge should be active */
+ ut_assertok(video_bridge_set_active(dev, true));
+
+ /* bridge is internal and has no hotplug gpio */
+ ut_asserteq(-ENOENT, video_bridge_check_attached(dev));
+
+ /* check passing timings and EDID */
+ ut_assertok(video_bridge_get_display_timing(dev, &timing));
+ ut_assertok(video_bridge_read_edid(dev, NULL, 0));
+
+ return 0;
+}
+DM_TEST(dm_test_video_bridge, UTF_SCAN_PDATA | UTF_SCAN_FDT);
--
2.43.0
