From 487250e6dfa3be57ef3d49ab04ab82d841d838a1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sat, 1 Dec 2018 19:00:18 +0100 Subject: [PATCH] bmips: bcm6358: add bcm6348-iudma support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- arch/mips/dts/brcm,bcm6358.dtsi | 18 ++++++++++++++++++ include/dt-bindings/dma/bcm6358-dma.h | 16 ++++++++++++++++ 2 files changed, 34 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 0617b46e92..5605723e83 100644 --- a/arch/mips/dts/brcm,bcm6358.dtsi +++ b/arch/mips/dts/brcm,bcm6358.dtsi @@ -4,6 +4,7 @@ */ #include +#include #include #include #include "skeleton.dtsi" @@ -190,5 +191,22 @@ 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..3118b9da0a --- /dev/null +++ b/include/dt-bindings/dma/bcm6358-dma.h @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Álvaro Fernández Rojas + * + * Derived from linux/drivers/net/ethernet/broadcom/bcm63xx_enet.c + */ + +#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 */