diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/dma/Makefile | 1 | ||||
| -rw-r--r-- | drivers/dma/xilinx_dpdma.c | 43 |
3 files changed, 51 insertions, 0 deletions
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 9cacea88d0c..0af54604211 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -68,6 +68,13 @@ config APBH_DMA help Enable APBH DMA driver. +config XILINX_DPDMA + bool "Enable ZynqMP Display Port DMA driver" + depends on DMA && ZYNQMP_POWER_DOMAIN + help + Enable support for Xilinx ZynqMP Display DMA driver. Currently + this file is used as placeholder for driver. The main reason is + to record compatible string and calling power domain driver. if APBH_DMA config APBH_DMA_BURST diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile index afab324461b..a75572fe5de 100644 --- a/drivers/dma/Makefile +++ b/drivers/dma/Makefile @@ -13,5 +13,6 @@ obj-$(CONFIG_SANDBOX_DMA) += sandbox-dma-test.o obj-$(CONFIG_TI_KSNAV) += keystone_nav.o keystone_nav_cfg.o obj-$(CONFIG_TI_EDMA3) += ti-edma3.o obj-$(CONFIG_DMA_LPC32XX) += lpc32xx_dma.o +obj-$(CONFIG_XILINX_DPDMA) += xilinx_dpdma.o obj-y += ti/ diff --git a/drivers/dma/xilinx_dpdma.c b/drivers/dma/xilinx_dpdma.c new file mode 100644 index 00000000000..d4ee21dfc07 --- /dev/null +++ b/drivers/dma/xilinx_dpdma.c @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2021 Xilinx Inc. + */ + +#include <common.h> +#include <cpu_func.h> +#include <dm.h> +#include <dma.h> +#include <dma-uclass.h> +#include <errno.h> +#include <dm/device_compat.h> + +/** + * struct zynqmp_dpdma_priv - Private structure + * @dev: Device uclass for video_ops + */ +struct zynqmp_dpdma_priv { + struct udevice *dev; +}; + +static int zynqmp_dpdma_probe(struct udevice *dev) +{ + /* Only placeholder for power domain driver */ + return 0; +} + +static const struct dma_ops zynqmp_dpdma_ops = { +}; + +static const struct udevice_id zynqmp_dpdma_ids[] = { + { .compatible = "xlnx,zynqmp-dpdma" }, + { } +}; + +U_BOOT_DRIVER(zynqmp_dpdma) = { + .name = "zynqmp_dpdma", + .id = UCLASS_DMA, + .of_match = zynqmp_dpdma_ids, + .ops = &zynqmp_dpdma_ops, + .probe = zynqmp_dpdma_probe, + .priv_auto = sizeof(struct zynqmp_dpdma_priv), +}; |