riscv: dt: Add constants for DMA channel map table

Device tree nodes require those constants. Port them from the vendor
kernel [1].

[1] - https://github.com/BPI-SINOVOIP/pi-linux.git

Change-Id: I93249b442d82e5227dfb5b7af398f020b1c3fc25
Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>

diff --git a/include/dt-bindings/dma/k1x-dmac.h b/include/dt-bindings/dma/k1x-dmac.h
new file mode 100755 (executable)
index 0000000..b265974
--- /dev/null
+++ b/include/dt-bindings/dma/k1x-dmac.h
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * This header provides constants for SPACEMIT DMA channel map table.
+ *
+ * Copyright (C) 2023 Spacemit
+ */
+
+#ifndef __DTS_K1X_DMAC_H
+#define __DTS_K1X_DMAC_H
+
+#define DMA_UART0_TX   3
+#define DMA_UART0_RX   4
+#define DMA_UART2_TX   5
+#define DMA_UART2_RX   6
+#define DMA_UART3_TX   7
+#define DMA_UART3_RX   8
+#define DMA_UART4_TX   9
+#define DMA_UART4_RX   10
+#define DMA_UART5_TX   25
+#define DMA_UART5_RX   26
+#define DMA_UART6_TX   27
+#define DMA_UART6_RX   28
+#define DMA_UART7_TX   29
+#define DMA_UART7_RX   30
+#define DMA_UART8_TX   31
+#define DMA_UART8_RX   32
+#define DMA_UART9_TX   33
+#define DMA_UART9_RX   34
+
+#define DMA_I2C0_TX    11
+#define DMA_I2C0_RX    12
+#define DMA_I2C1_TX    13
+#define DMA_I2C1_RX    14
+#define DMA_I2C2_TX    15
+#define DMA_I2C2_RX    16
+#define DMA_I2C4_TX    17
+#define DMA_I2C4_RX    18
+#define DMA_I2C5_TX    35
+#define DMA_I2C5_RX    36
+#define DMA_I2C6_TX    37
+#define DMA_I2C6_RX    38
+#define DMA_I2C7_TX    39
+#define DMA_I2C7_RX    40
+#define DMA_I2C8_TX    41
+#define DMA_I2C8_RX    42
+
+#define DMA_SSP3_TX    19
+#define DMA_SSP3_RX    20
+#define DMA_SSPA0_TX   21
+#define DMA_SSPA0_RX   22
+#define DMA_SSPA1_TX   23
+#define DMA_SSPA1_RX   24
+#define DMA_QSPI_RX    44
+#define DMA_QSPI_TX    45
+
+#define DMA_CAN0_RX    43
+
+#endif /*__DTS_K1X_DMAC_H*/