dt-bindings: dmaengine: Add X2000 bindings.

Add the dmaengine bindings for the X2000 SoC from Ingenic.

Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201107122016.89859-3-zhouyanjie@wanyeetech.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/include/dt-bindings/dma/x2000-dma.h b/include/dt-bindings/dma/x2000-dma.h
new file mode 100644 (file)
index 0000000..db2cd48
--- /dev/null
+++ b/include/dt-bindings/dma/x2000-dma.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * This header provides macros for X2000 DMA bindings.
+ *
+ * Copyright (c) 2020 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
+ */
+
+#ifndef __DT_BINDINGS_DMA_X2000_DMA_H__
+#define __DT_BINDINGS_DMA_X2000_DMA_H__
+
+/*
+ * Request type numbers for the X2000 DMA controller (written to the DRTn
+ * register for the channel).
+ */
+#define X2000_DMA_AUTO         0x8
+#define X2000_DMA_UART5_TX     0xa
+#define X2000_DMA_UART5_RX     0xb
+#define X2000_DMA_UART4_TX     0xc
+#define X2000_DMA_UART4_RX     0xd
+#define X2000_DMA_UART3_TX     0xe
+#define X2000_DMA_UART3_RX     0xf
+#define X2000_DMA_UART2_TX     0x10
+#define X2000_DMA_UART2_RX     0x11
+#define X2000_DMA_UART1_TX     0x12
+#define X2000_DMA_UART1_RX     0x13
+#define X2000_DMA_UART0_TX     0x14
+#define X2000_DMA_UART0_RX     0x15
+#define X2000_DMA_SSI0_TX      0x16
+#define X2000_DMA_SSI0_RX      0x17
+#define X2000_DMA_SSI1_TX      0x18
+#define X2000_DMA_SSI1_RX      0x19
+#define X2000_DMA_I2C0_TX      0x24
+#define X2000_DMA_I2C0_RX      0x25
+#define X2000_DMA_I2C1_TX      0x26
+#define X2000_DMA_I2C1_RX      0x27
+#define X2000_DMA_I2C2_TX      0x28
+#define X2000_DMA_I2C2_RX      0x29
+#define X2000_DMA_I2C3_TX      0x2a
+#define X2000_DMA_I2C3_RX      0x2b
+#define X2000_DMA_I2C4_TX      0x2c
+#define X2000_DMA_I2C4_RX      0x2d
+#define X2000_DMA_I2C5_TX      0x2e
+#define X2000_DMA_I2C5_RX      0x2f
+#define X2000_DMA_UART6_TX     0x30
+#define X2000_DMA_UART6_RX     0x31
+#define X2000_DMA_UART7_TX     0x32
+#define X2000_DMA_UART7_RX     0x33
+#define X2000_DMA_UART8_TX     0x34
+#define X2000_DMA_UART8_RX     0x35
+#define X2000_DMA_UART9_TX     0x36
+#define X2000_DMA_UART9_RX     0x37
+#define X2000_DMA_SADC_RX      0x38
+
+#endif /* __DT_BINDINGS_DMA_X2000_DMA_H__ */