Signed-off-by: Álvaro Fernández Rojas noltari@gmail.com --- v2: no changes
arch/mips/dts/brcm,bcm6348.dtsi | 16 ++++++++++++++++ include/dt-bindings/dma/bcm6348-dma.h | 17 +++++++++++++++++ 2 files changed, 33 insertions(+) create mode 100644 include/dt-bindings/dma/bcm6348-dma.h
diff --git a/arch/mips/dts/brcm,bcm6348.dtsi b/arch/mips/dts/brcm,bcm6348.dtsi index 92fb91afc1..d774c59665 100644 --- a/arch/mips/dts/brcm,bcm6348.dtsi +++ b/arch/mips/dts/brcm,bcm6348.dtsi @@ -5,6 +5,7 @@ */
#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" @@ -160,5 +161,20 @@ 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>; + }; }; }; diff --git a/include/dt-bindings/dma/bcm6348-dma.h b/include/dt-bindings/dma/bcm6348-dma.h new file mode 100644 index 0000000000..a1d3a6456d --- /dev/null +++ b/include/dt-bindings/dma/bcm6348-dma.h @@ -0,0 +1,17 @@ +/* + * Copyright (C) 2018 Álvaro Fernández Rojas noltari@gmail.com + * + * Derived from linux/drivers/net/ethernet/broadcom/bcm63xx_enet.c + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#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 */