bmips: bcm6318: add bcm6348-iudma support

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

diff --git a/arch/mips/dts/brcm,bcm6318.dtsi b/arch/mips/dts/brcm,bcm6318.dtsi
index f75988be1291fc8a579a7ea8f32f6d5d8ab09746..d04b7cbb017dd2135791c7ef7066581701ae265a 100644 (file)
--- a/arch/mips/dts/brcm,bcm6318.dtsi
+++ b/arch/mips/dts/brcm,bcm6318.dtsi
@@ -4,6 +4,7 @@
  */
 
 #include <dt-bindings/clock/bcm6318-clock.h>
+#include <dt-bindings/dma/bcm6318-dma.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/power-domain/bcm6318-power-domain.h>
 #include <dt-bindings/reset/bcm6318-reset.h>
@@ -54,6 +55,12 @@
                        reg = <0x10000004 0x4>;
                        #clock-cells = <1>;
                };
+
+               ubus_clk: ubus-clk {
+                       compatible = "brcm,bcm6345-clk";
+                       reg = <0x10000008 0x4>;
+                       #clock-cells = <1>;
+               };
        };
 
        ubus {
@@ -182,5 +189,17 @@
 
                        status = "disabled";
                };
+
+               iudma: dma-controller@10088000 {
+                       compatible = "brcm,bcm6368-iudma";
+                       reg = <0x10088000 0x80>,
+                             <0x10088200 0x80>,
+                             <0x10088400 0x80>;
+                       reg-names = "dma",
+                                   "dma-channels",
+                                   "dma-sram";
+                       #dma-cells = <1>;
+                       dma-channels = <8>;
+               };
        };
 };

diff --git a/include/dt-bindings/dma/bcm6318-dma.h b/include/dt-bindings/dma/bcm6318-dma.h
new file mode 100644 (file)
index 0000000..ad7c5ac
--- /dev/null
+++ b/include/dt-bindings/dma/bcm6318-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_BCM6318_H
+#define __DT_BINDINGS_DMA_BCM6318_H
+
+#define BCM6318_DMA_ENETSW_RX  0
+#define BCM6318_DMA_ENETSW_TX  1
+
+#endif /* __DT_BINDINGS_DMA_BCM6318_H */