bmips: bcm63268: add bcm6348-iudma support

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

diff --git a/arch/mips/dts/brcm,bcm63268.dtsi b/arch/mips/dts/brcm,bcm63268.dtsi
index 62c440e6759f0f89d7bf2fc3482da3c564888755..c7ad83c306a2517ddde31d30c0c8a92a9e245c44 100644 (file)
--- a/arch/mips/dts/brcm,bcm63268.dtsi
+++ b/arch/mips/dts/brcm,bcm63268.dtsi
@@ -4,6 +4,7 @@
  */
 
 #include <dt-bindings/clock/bcm63268-clock.h>
+#include <dt-bindings/dma/bcm63268-dma.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/power-domain/bcm63268-power-domain.h>
 #include <dt-bindings/reset/bcm63268-reset.h>
@@ -217,5 +218,17 @@
                        reg = <0x10003000 0x894>;
                        u-boot,dm-pre-reloc;
                };
+
+               iudma: dma-controller@1000d800 {
+                       compatible = "brcm,bcm6368-iudma";
+                       reg = <0x1000d800 0x80>,
+                             <0x1000da00 0x80>,
+                             <0x1000dc00 0x80>;
+                       reg-names = "dma",
+                                   "dma-channels",
+                                   "dma-sram";
+                       #dma-cells = <1>;
+                       dma-channels = <8>;
+               };
        };
 };

diff --git a/include/dt-bindings/dma/bcm63268-dma.h b/include/dt-bindings/dma/bcm63268-dma.h
new file mode 100644 (file)
index 0000000..7d02711
--- /dev/null
+++ b/include/dt-bindings/dma/bcm63268-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_BCM63268_H
+#define __DT_BINDINGS_DMA_BCM63268_H
+
+#define BCM63268_DMA_ENETSW_RX 0
+#define BCM63268_DMA_ENETSW_TX 1
+
+#endif /* __DT_BINDINGS_DMA_BCM63268_H */