Signed-off-by: Álvaro Fernández Rojas noltari@gmail.com --- arch/mips/dts/brcm,bcm6338.dtsi | 14 ++++++++++++++ include/dt-bindings/dma/bcm6338-dma.h | 15 +++++++++++++++ 2 files changed, 29 insertions(+) create mode 100644 include/dt-bindings/dma/bcm6338-dma.h
diff --git a/arch/mips/dts/brcm,bcm6338.dtsi b/arch/mips/dts/brcm,bcm6338.dtsi index 0cab44cb8d..4125f71d9f 100644 --- a/arch/mips/dts/brcm,bcm6338.dtsi +++ b/arch/mips/dts/brcm,bcm6338.dtsi @@ -5,6 +5,7 @@ */
#include <dt-bindings/clock/bcm6338-clock.h> +#include <dt-bindings/dma/bcm6338-dma.h> #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/reset/bcm6338-reset.h> #include "skeleton.dtsi" @@ -131,5 +132,18 @@ reg = <0xfffe3100 0x38>; u-boot,dm-pre-reloc; }; + + iudma: dma-controller@fffe2400 { + compatible = "brcm,bcm6348-iudma"; + reg = <0xfffe2400 0x1c>, + <0xfffe2500 0x60>, + <0xfffe2600 0x60>; + reg-names = "dma", + "dma-channels", + "dma-sram"; + #dma-cells = <1>; + dma-channels = <6>; + resets = <&periph_rst BCM6338_RST_DMAMEM>; + }; }; }; diff --git a/include/dt-bindings/dma/bcm6338-dma.h b/include/dt-bindings/dma/bcm6338-dma.h new file mode 100644 index 0000000000..5dd66239b4 --- /dev/null +++ b/include/dt-bindings/dma/bcm6338-dma.h @@ -0,0 +1,15 @@ +/* + * 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_BCM6338_H +#define __DT_BINDINGS_DMA_BCM6338_H + +#define BCM6338_DMA_ENET_RX 0 +#define BCM6338_DMA_ENET_TX 1 + +#endif /* __DT_BINDINGS_DMA_BCM6338_H */