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From:   Zhou Yanjie <zhouyanjie@zoho.com>
To:     linux-mips@vger.kernel.org
Cc:     linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org,
        devicetree@vger.kernel.org, robh+dt@kernel.org,
        paul.burton@mips.com, vkoul@kernel.org, paul@crapouillou.net,
        mark.rutland@arm.com, Zubair.Kakakhel@imgtec.com,
        dan.j.williams@intel.com
Subject: [PATCH 1/2] dt-bindings: DMA: Add X1000 bindings.
Date:   Wed, 23 Oct 2019 11:05:02 +0800
Message-Id: <1571799903-44561-2-git-send-email-zhouyanjie@zoho.com>
In-Reply-To: <1571799903-44561-1-git-send-email-zhouyanjie@zoho.com>
References: <1571799903-44561-1-git-send-email-zhouyanjie@zoho.com>
Sender: linux-kernel-owner@vger.kernel.org
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Add the DMA bindings for the X1000 Soc from Ingenic.

Signed-off-by: Zhou Yanjie <zhouyanjie@zoho.com>
---
 .../devicetree/bindings/dma/jz4780-dma.txt         |  3 +-
 include/dt-bindings/dma/x1000-dma.h                | 40 ++++++++++++++++++++++
 2 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100644 include/dt-bindings/dma/x1000-dma.h

diff --git a/Documentation/devicetree/bindings/dma/jz4780-dma.txt b/Documentation/devicetree/bindings/dma/jz4780-dma.txt
index 636fcb2..ec89782 100644
--- a/Documentation/devicetree/bindings/dma/jz4780-dma.txt
+++ b/Documentation/devicetree/bindings/dma/jz4780-dma.txt
@@ -7,10 +7,11 @@ Required properties:
   * ingenic,jz4725b-dma
   * ingenic,jz4770-dma
   * ingenic,jz4780-dma
+  * ingenic,x1000-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 PDMA clock.
+- clocks: Should contain a clock specifier for the JZ4780/X1000 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/x1000-dma.h b/include/dt-bindings/dma/x1000-dma.h
new file mode 100644
index 00000000..401e165
--- /dev/null
+++ b/include/dt-bindings/dma/x1000-dma.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * This header provides macros for X1000 DMA bindings.
+ *
+ * Copyright (c) 2019 Zhou Yanjie <zhouyanjie@zoho.com>
+ */
+
+#ifndef __DT_BINDINGS_DMA_X1000_DMA_H__
+#define __DT_BINDINGS_DMA_X1000_DMA_H__
+
+/*
+ * Request type numbers for the X1000 DMA controller (written to the DRTn
+ * register for the channel).
+ */
+#define X1000_DMA_DMIC_RX	0x5
+#define X1000_DMA_I2S0_TX	0x6
+#define X1000_DMA_I2S0_RX	0x7
+#define X1000_DMA_AUTO		0x8
+#define X1000_DMA_UART2_TX	0x10
+#define X1000_DMA_UART2_RX	0x11
+#define X1000_DMA_UART1_TX	0x12
+#define X1000_DMA_UART1_RX	0x13
+#define X1000_DMA_UART0_TX	0x14
+#define X1000_DMA_UART0_RX	0x15
+#define X1000_DMA_SSI0_TX	0x16
+#define X1000_DMA_SSI0_RX	0x17
+#define X1000_DMA_MSC0_TX	0x1a
+#define X1000_DMA_MSC0_RX	0x1b
+#define X1000_DMA_MSC1_TX	0x1c
+#define X1000_DMA_MSC1_RX	0x1d
+#define X1000_DMA_PCM0_TX	0x20
+#define X1000_DMA_PCM0_RX	0x21
+#define X1000_DMA_SMB0_TX	0x24
+#define X1000_DMA_SMB0_RX	0x25
+#define X1000_DMA_SMB1_TX	0x26
+#define X1000_DMA_SMB1_RX	0x27
+#define X1000_DMA_SMB2_TX	0x28
+#define X1000_DMA_SMB2_RX	0x29
+
+#endif /* __DT_BINDINGS_DMA_X1000_DMA_H__ */
-- 
2.7.4