linux-kernel - [PATCH 1/2] dt-bindings: dmaengine: Add X1830 bindings.

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Date:   Tue, 17 Dec 2019 21:58:59 +0800
From:   周琰杰 (Zhou Yanjie) 
        <zhouyanjie@...yeetech.com>
To:     linux-mips@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org,
        devicetree@...r.kernel.org, robh+dt@...nel.org,
        paul.burton@...s.com, paulburton@...nel.org, mark.rutland@....com,
        paul@...pouillou.net, vkoul@...nel.org, Zubair.Kakakhel@...tec.com,
        dan.j.williams@...el.com, sernia.zhou@...mail.com,
        zhenwenjin@...il.com, 2374286503@...com
Subject: [PATCH 1/2] dt-bindings: dmaengine: Add X1830 bindings.

Add the dmaengine bindings for the X1830 Soc from Ingenic.

Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@...yeetech.com>
---
 .../devicetree/bindings/dma/jz4780-dma.txt         |  6 ++--
 include/dt-bindings/dma/x1830-dma.h                | 39 ++++++++++++++++++++++
 2 files changed, 43 insertions(+), 2 deletions(-)
 create mode 100644 include/dt-bindings/dma/x1830-dma.h

diff --git a/Documentation/devicetree/bindings/dma/jz4780-dma.txt b/Documentation/devicetree/bindings/dma/jz4780-dma.txt
index ec89782..3459e77 100644
--- a/Documentation/devicetree/bindings/dma/jz4780-dma.txt
+++ b/Documentation/devicetree/bindings/dma/jz4780-dma.txt
@@ -1,4 +1,4 @@
-* Ingenic JZ4780 DMA Controller
+* Ingenic XBurst DMA Controller
 
 Required properties:
 
@@ -8,10 +8,12 @@ Required properties:
   * ingenic,jz4770-dma
   * ingenic,jz4780-dma
   * ingenic,x1000-dma
+  * ingenic,x1830-dma
 - reg: Should contain the DMA channel registers location and length, followed
   by the DMA controller registers location and length.
 - interrupts: Should contain the interrupt specifier of the DMA controller.
-- clocks: Should contain a clock specifier for the JZ4780/X1000 PDMA clock.
+- clocks: Should contain a clock specifier for the JZ4780/X1000/X1830 PDMA
+  clock.
 - #dma-cells: Must be <2>. Number of integer cells in the dmas property of
   DMA clients (see below).
 
diff --git a/include/dt-bindings/dma/x1830-dma.h b/include/dt-bindings/dma/x1830-dma.h
new file mode 100644
index 00000000..35bcb89
--- /dev/null
+++ b/include/dt-bindings/dma/x1830-dma.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * This header provides macros for X1830 DMA bindings.
+ *
+ * Copyright (c) 2019 周琰杰 (Zhou Yanjie) <zhouyanjie@...yeetech.com>
+ */
+
+#ifndef __DT_BINDINGS_DMA_X1830_DMA_H__
+#define __DT_BINDINGS_DMA_X1830_DMA_H__
+
+/*
+ * Request type numbers for the X1830 DMA controller (written to the DRTn
+ * register for the channel).
+ */
+#define X1830_DMA_I2S0_TX	0x6
+#define X1830_DMA_I2S0_RX	0x7
+#define X1830_DMA_AUTO		0x8
+#define X1830_DMA_SADC_RX	0x9
+#define X1830_DMA_UART1_TX	0x12
+#define X1830_DMA_UART1_RX	0x13
+#define X1830_DMA_UART0_TX	0x14
+#define X1830_DMA_UART0_RX	0x15
+#define X1830_DMA_SSI0_TX	0x16
+#define X1830_DMA_SSI0_RX	0x17
+#define X1830_DMA_SSI1_TX	0x18
+#define X1830_DMA_SSI1_RX	0x19
+#define X1830_DMA_MSC0_TX	0x1a
+#define X1830_DMA_MSC0_RX	0x1b
+#define X1830_DMA_MSC1_TX	0x1c
+#define X1830_DMA_MSC1_RX	0x1d
+#define X1830_DMA_DMIC_RX	0x21
+#define X1830_DMA_SMB0_TX	0x24
+#define X1830_DMA_SMB0_RX	0x25
+#define X1830_DMA_SMB1_TX	0x26
+#define X1830_DMA_SMB1_RX	0x27
+#define X1830_DMA_DES_TX	0x2e
+#define X1830_DMA_DES_RX	0x2f
+
+#endif /* __DT_BINDINGS_DMA_X1830_DMA_H__ */
-- 
2.7.4