diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/dt-bindings/dma/k3-udma.h | 31 | ||||
| -rw-r--r-- | include/linux/soc/ti/ti-udma.h | 24 |
2 files changed, 55 insertions, 0 deletions
diff --git a/include/dt-bindings/dma/k3-udma.h b/include/dt-bindings/dma/k3-udma.h new file mode 100644 index 0000000000..670e1232b4 --- /dev/null +++ b/include/dt-bindings/dma/k3-udma.h @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com + */ + +#ifndef __DT_TI_UDMA_H +#define __DT_TI_UDMA_H + +#define UDMA_TR_MODE 0 +#define UDMA_PKT_MODE 1 + +#define UDMA_DIR_TX 0 +#define UDMA_DIR_RX 1 + +#define PSIL_STATIC_TR_NONE 0 +#define PSIL_STATIC_TR_XY 1 +#define PSIL_STATIC_TR_MCAN 2 + +#define UDMA_PDMA_TR_XY(id) \ + ti,psil-config##id { \ + linux,udma-mode = <UDMA_TR_MODE>; \ + statictr-type = <PSIL_STATIC_TR_XY>; \ + } + +#define UDMA_PDMA_PKT_XY(id) \ + ti,psil-config##id { \ + linux,udma-mode = <UDMA_PKT_MODE>; \ + statictr-type = <PSIL_STATIC_TR_XY>; \ + } + +#endif /* __DT_TI_UDMA_H */ diff --git a/include/linux/soc/ti/ti-udma.h b/include/linux/soc/ti/ti-udma.h new file mode 100644 index 0000000000..e9d4226c48 --- /dev/null +++ b/include/linux/soc/ti/ti-udma.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com + * Author: Peter Ujfalusi <peter.ujfalusi@ti.com> + */ + +#ifndef __TI_UDMA_H +#define __TI_UDMA_H + +/** + * struct ti_udma_drv_packet_data - TI UDMA transfer specific data + * + * @pkt_type: Packet Type - specific for each DMA client HW + * @dest_tag: Destination tag The source pointer. + * + * TI UDMA transfer specific data passed as part of DMA transfer to + * the DMA client HW in UDMA descriptors. + */ +struct ti_udma_drv_packet_data { + u32 pkt_type; + u32 dest_tag; +}; + +#endif /* __TI_UDMA_H */ |