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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /include/dt-bindings/dma/dw-dmac.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/dt-bindings/dma/dw-dmac.h')
-rw-r--r--include/dt-bindings/dma/dw-dmac.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/dt-bindings/dma/dw-dmac.h b/include/dt-bindings/dma/dw-dmac.h
new file mode 100644
index 0000000000..d1ca705c95
--- /dev/null
+++ b/include/dt-bindings/dma/dw-dmac.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+
+#ifndef __DT_BINDINGS_DMA_DW_DMAC_H__
+#define __DT_BINDINGS_DMA_DW_DMAC_H__
+
+/*
+ * Protection Control bits provide protection against illegal transactions.
+ * The protection bits[0:2] are one-to-one mapped to AHB HPROT[3:1] signals.
+ */
+#define DW_DMAC_HPROT1_PRIVILEGED_MODE (1 << 0) /* Privileged Mode */
+#define DW_DMAC_HPROT2_BUFFERABLE (1 << 1) /* DMA is bufferable */
+#define DW_DMAC_HPROT3_CACHEABLE (1 << 2) /* DMA is cacheable */
+
+#endif /* __DT_BINDINGS_DMA_DW_DMAC_H__ */