bmips: bcm6368: add bcm6348-iudma support

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

diff --git a/arch/mips/dts/brcm,bcm6368.dtsi b/arch/mips/dts/brcm,bcm6368.dtsi
index 65d769ab4f2317e3087f27f7c3613ea7ff587d23..30047f63601b3f7f1a9d55fdf06b57ff37599c94 100644 (file)
--- a/arch/mips/dts/brcm,bcm6368.dtsi
+++ b/arch/mips/dts/brcm,bcm6368.dtsi
@@ -4,6 +4,7 @@
  */
 
 #include <dt-bindings/clock/bcm6368-clock.h>
+#include <dt-bindings/dma/bcm6368-dma.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/reset/bcm6368-reset.h>
 #include "skeleton.dtsi"
@@ -192,5 +193,17 @@
 
                        status = "disabled";
                };
+
+               iudma: dma-controller@10006800 {
+                       compatible = "brcm,bcm6368-iudma";
+                       reg = <0x10006800 0x80>,
+                             <0x10006a00 0x80>,
+                             <0x10006c00 0x80>;
+                       reg-names = "dma",
+                                   "dma-channels",
+                                   "dma-sram";
+                       #dma-cells = <1>;
+                       dma-channels = <8>;
+               };
        };
 };

diff --git a/include/dt-bindings/dma/bcm6368-dma.h b/include/dt-bindings/dma/bcm6368-dma.h
new file mode 100644 (file)
index 0000000..36c6caa
--- /dev/null
+++ b/include/dt-bindings/dma/bcm6368-dma.h
@@ -0,0 +1,14 @@
+// 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_BCM6368_H
+#define __DT_BINDINGS_DMA_BCM6368_H
+
+#define BCM6368_DMA_ENETSW_RX  0
+#define BCM6368_DMA_ENETSW_TX  1
+
+#endif /* __DT_BINDINGS_DMA_BCM6368_H */