Signed-off-by: Álvaro Fernández Rojas noltari@gmail.com --- arch/mips/dts/brcm,bcm6358.dtsi | 18 ++++++++++++++++++ include/dt-bindings/dma/bcm6358-dma.h | 17 +++++++++++++++++ 2 files changed, 35 insertions(+) create mode 100644 include/dt-bindings/dma/bcm6358-dma.h
diff --git a/arch/mips/dts/brcm,bcm6358.dtsi b/arch/mips/dts/brcm,bcm6358.dtsi index b63b53baee..1468e4f63a 100644 --- a/arch/mips/dts/brcm,bcm6358.dtsi +++ b/arch/mips/dts/brcm,bcm6358.dtsi @@ -5,6 +5,7 @@ */
#include <dt-bindings/clock/bcm6358-clock.h> +#include <dt-bindings/dma/bcm6358-dma.h> #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/reset/bcm6358-reset.h> #include "skeleton.dtsi" @@ -191,5 +192,22 @@
status = "disabled"; }; + + iudma: dma-controller@fffe5000 { + compatible = "brcm,bcm6348-iudma"; + reg = <0xfffe5000 0x24>, + <0xfffe5100 0x80>, + <0xfffe5200 0x80>; + reg-names = "dma", + "dma-channels", + "dma-sram"; + #dma-cells = <1>; + dma-channels = <8>; + clocks = <&periph_clk BCM6358_CLK_EMUSB>, + <&periph_clk BCM6358_CLK_USBSU>, + <&periph_clk BCM6358_CLK_EPHY>; + resets = <&periph_rst BCM6358_RST_ENET>, + <&periph_rst BCM6358_RST_EPHY>; + }; }; }; diff --git a/include/dt-bindings/dma/bcm6358-dma.h b/include/dt-bindings/dma/bcm6358-dma.h new file mode 100644 index 0000000000..3b1fcf8540 --- /dev/null +++ b/include/dt-bindings/dma/bcm6358-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_BCM6358_H +#define __DT_BINDINGS_DMA_BCM6358_H + +#define BCM6358_DMA_ENET0_RX 0 +#define BCM6358_DMA_ENET0_TX 1 +#define BCM6358_DMA_ENET1_RX 2 +#define BCM6358_DMA_ENET1_TX 3 + +#endif /* __DT_BINDINGS_DMA_BCM6358_H */