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kernel
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linux
dt-bindings: dmaengine: Add X1000 bindings.
Add the dmaengine bindings for the X1000 Soc from Ingenic.
Signed-off-by: Zhou Yanjie <zhouyanjie@zoho.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1571937670-30828-2-git-send-email-zhouyanjie@zoho.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
authored by
Zhou Yanjie
and committed by
Vinod Koul
be80507d
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Documentation/devicetree/bindings/dma/jz4780-dma.txt
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Documentation/devicetree/bindings/dma/jz4780-dma.txt
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* ingenic,jz4725b-dma
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* ingenic,jz4770-dma
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* ingenic,jz4780-dma
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* ingenic,x1000-dma
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- reg: Should contain the DMA channel registers location and length, followed
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by the DMA controller registers location and length.
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- interrupts: Should contain the interrupt specifier of the DMA controller.
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- clocks: Should contain a clock specifier for the JZ4780 PDMA clock.
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- clocks: Should contain a clock specifier for the JZ4780/X1000 PDMA clock.
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- #dma-cells: Must be <2>. Number of integer cells in the dmas property of
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DMA clients (see below).
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include/dt-bindings/dma/x1000-dma.h
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include/dt-bindings/dma/x1000-dma.h
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* This header provides macros for X1000 DMA bindings.
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*
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* Copyright (c) 2019 Zhou Yanjie <zhouyanjie@zoho.com>
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*/
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#ifndef __DT_BINDINGS_DMA_X1000_DMA_H__
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#define __DT_BINDINGS_DMA_X1000_DMA_H__
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/*
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* Request type numbers for the X1000 DMA controller (written to the DRTn
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* register for the channel).
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*/
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#define X1000_DMA_DMIC_RX 0x5
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#define X1000_DMA_I2S0_TX 0x6
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#define X1000_DMA_I2S0_RX 0x7
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#define X1000_DMA_AUTO 0x8
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#define X1000_DMA_UART2_TX 0x10
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#define X1000_DMA_UART2_RX 0x11
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#define X1000_DMA_UART1_TX 0x12
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#define X1000_DMA_UART1_RX 0x13
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#define X1000_DMA_UART0_TX 0x14
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#define X1000_DMA_UART0_RX 0x15
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#define X1000_DMA_SSI0_TX 0x16
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#define X1000_DMA_SSI0_RX 0x17
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#define X1000_DMA_MSC0_TX 0x1a
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#define X1000_DMA_MSC0_RX 0x1b
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#define X1000_DMA_MSC1_TX 0x1c
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#define X1000_DMA_MSC1_RX 0x1d
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#define X1000_DMA_PCM0_TX 0x20
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#define X1000_DMA_PCM0_RX 0x21
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#define X1000_DMA_SMB0_TX 0x24
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#define X1000_DMA_SMB0_RX 0x25
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#define X1000_DMA_SMB1_TX 0x26
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#define X1000_DMA_SMB1_RX 0x27
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#define X1000_DMA_SMB2_TX 0x28
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#define X1000_DMA_SMB2_RX 0x29
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#endif /* __DT_BINDINGS_DMA_X1000_DMA_H__ */