The reason for this driver is to use call power management driver to enable it in PMUFW. There is missing functionality now but should be added in near future.
Signed-off-by: Michal Simek michal.simek@xilinx.com ---
drivers/video/Kconfig | 8 +++++ drivers/video/Makefile | 1 + drivers/video/zynqmp_dpsub.c | 66 ++++++++++++++++++++++++++++++++++++ 3 files changed, 75 insertions(+) create mode 100644 drivers/video/zynqmp_dpsub.c
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index ff8e11f6489d..646fec70262c 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -680,6 +680,14 @@ config VIDEO_SEPS525 Enable support for the Syncoam PM-OLED display driver (RGB 160x128). Currently driver is supporting only SPI interface.
+config VIDEO_ZYNQMP_DPSUB + bool "Enable video support for ZynqMP Display Port" + depends on DM_VIDEO && ZYNQMP_POWER_DOMAIN + help + Enable support for Xilinx ZynqMP Display Port. Currently this file + is used as placeholder for driver. The main reason is to record + compatible string and calling power domain driver. + source "drivers/video/nexell/Kconfig"
config VIDEO diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 4038395b1289..2530791eb43a 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -74,6 +74,7 @@ obj-$(CONFIG_VIDEO_TEGRA20) += tegra.o obj-$(CONFIG_VIDEO_VCXK) += bus_vcxk.o obj-$(CONFIG_VIDEO_VESA) += vesa.o obj-$(CONFIG_VIDEO_SEPS525) += seps525.o +obj-$(CONFIG_VIDEO_ZYNQMP_DPSUB) += zynqmp_dpsub.o
obj-y += bridge/ obj-y += sunxi/ diff --git a/drivers/video/zynqmp_dpsub.c b/drivers/video/zynqmp_dpsub.c new file mode 100644 index 000000000000..4ead663cd59f --- /dev/null +++ b/drivers/video/zynqmp_dpsub.c @@ -0,0 +1,66 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2021 Xilinx Inc. + */ + +#include <common.h> +#include <cpu_func.h> +#include <dm.h> +#include <errno.h> +#include <video.h> +#include <dm/device_compat.h> + +#define WIDTH 640 +#define HEIGHT 480 + +/** + * struct zynqmp_dpsub_priv - Private structure + * @dev: Device uclass for video_ops + */ +struct zynqmp_dpsub_priv { + struct udevice *dev; +}; + +static int zynqmp_dpsub_probe(struct udevice *dev) +{ + struct video_priv *uc_priv = dev_get_uclass_priv(dev); + struct zynqmp_dpsub_priv *priv = dev_get_priv(dev); + + uc_priv->bpix = VIDEO_BPP16; + uc_priv->xsize = WIDTH; + uc_priv->ysize = HEIGHT; + uc_priv->rot = 0; + + priv->dev = dev; + + /* Only placeholder for power domain driver */ + return 0; +} + +static int zynqmp_dpsub_bind(struct udevice *dev) +{ + struct video_uc_plat *plat = dev_get_uclass_plat(dev); + + plat->size = WIDTH * HEIGHT * 16; + + return 0; +} + +static const struct video_ops zynqmp_dpsub_ops = { +}; + +static const struct udevice_id zynqmp_dpsub_ids[] = { + { .compatible = "xlnx,zynqmp-dpsub-1.7" }, + { } +}; + +U_BOOT_DRIVER(zynqmp_dpsub_video) = { + .name = "zynqmp_dpsub_video", + .id = UCLASS_VIDEO, + .of_match = zynqmp_dpsub_ids, + .ops = &zynqmp_dpsub_ops, + .plat_auto = sizeof(struct video_uc_plat), + .bind = zynqmp_dpsub_bind, + .probe = zynqmp_dpsub_probe, + .priv_auto = sizeof(struct zynqmp_dpsub_priv), +};