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bmips: bcm6348: add bcm6348-iudma support

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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas 2018-12-01 19:00:17 +01:00 committed by Daniel Schwierzeck
parent 9ab403d0dd
commit c225d6619e
2 changed files with 32 additions and 0 deletions
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16
arch/mips/dts/brcm,bcm6348.dtsi
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@ -4,6 +4,7 @@
*/
#include <dt-bindings/clock/bcm6348-clock.h>
#include <dt-bindings/dma/bcm6348-dma.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/reset/bcm6348-reset.h>
#include "skeleton.dtsi"
@ -159,5 +160,20 @@
reg = <0xfffe2300 0x38>;
u-boot,dm-pre-reloc;
};
iudma: dma-controller@fffe7000 {
compatible = "brcm,bcm6348-iudma";
reg = <0xfffe7000 0x1c>,
<0xfffe7100 0x40>,
<0xfffe7200 0x40>;
reg-names = "dma",
"dma-channels",
"dma-sram";
#dma-cells = <1>;
dma-channels = <4>;
clocks = <&periph_clk BCM6348_CLK_ENET>;
resets = <&periph_rst BCM6348_RST_ENET>,
<&periph_rst BCM6348_RST_DMAMEM>;
};
};
};

16
include/dt-bindings/dma/bcm6348-dma.h Normal file
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@ -0,0 +1,16 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
*
* Derived from linux/drivers/net/ethernet/broadcom/bcm63xx_enet.c
*/
#ifndef __DT_BINDINGS_DMA_BCM6348_H
#define __DT_BINDINGS_DMA_BCM6348_H
#define BCM6348_DMA_ENET0_RX 0
#define BCM6348_DMA_ENET0_TX 1
#define BCM6348_DMA_ENET1_RX 2
#define BCM6348_DMA_ENET1_TX 3
#endif /* __DT_BINDINGS_DMA_BCM6348_H */