1*4882a593Smuzhiyun /* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun #ifndef __DT_BINDINGS_DMA_DW_DMAC_H__ 4*4882a593Smuzhiyun #define __DT_BINDINGS_DMA_DW_DMAC_H__ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun /* 7*4882a593Smuzhiyun * Protection Control bits provide protection against illegal transactions. 8*4882a593Smuzhiyun * The protection bits[0:2] are one-to-one mapped to AHB HPROT[3:1] signals. 9*4882a593Smuzhiyun */ 10*4882a593Smuzhiyun #define DW_DMAC_HPROT1_PRIVILEGED_MODE (1 << 0) /* Privileged Mode */ 11*4882a593Smuzhiyun #define DW_DMAC_HPROT2_BUFFERABLE (1 << 1) /* DMA is bufferable */ 12*4882a593Smuzhiyun #define DW_DMAC_HPROT3_CACHEABLE (1 << 2) /* DMA is cacheable */ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #endif /* __DT_BINDINGS_DMA_DW_DMAC_H__ */ 15