[U-Boot] [PATCH v8 05/31] bmips: bcm6338: add bcm6348-iudma support

Álvaro Fernández Rojas
2018-11-26T18:00:13Z

v8: no changes
v5: no changes
v4: no changes
v3: no changes
v2: no changes

arch/mips/dts/brcm,bcm6338.dtsi | 14 ++++++++++++++
include/dt-bindings/dma/bcm6338-dma.h | 15 +++++++++++++++
2 files changed, 29 insertions(+)
create mode 100644 include/dt-bindings/dma/bcm6338-dma.h

diff --git a/arch/mips/dts/brcm,bcm6338.dtsi b/arch/mips/dts/brcm,bcm6338.dtsi
index bbd58cf803..990355481c 100644
--- a/arch/mips/dts/brcm,bcm6338.dtsi
+++ b/arch/mips/dts/brcm,bcm6338.dtsi
@@ -4,6 +4,7 @@
*/

#include <dt-bindings/clock/bcm6338-clock.h>
+#include <dt-bindings/dma/bcm6338-dma.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/reset/bcm6338-reset.h>
#include "skeleton.dtsi"
@@ -130,5 +131,18 @@
reg = <0xfffe3100 0x38>;
u-boot,dm-pre-reloc;
};
+
+ iudma: dma-controller at fffe2400 {
+ compatible = "brcm,bcm6348-iudma";
+ reg = <0xfffe2400 0x1c>,
+ <0xfffe2500 0x60>,
+ <0xfffe2600 0x60>;
+ reg-names = "dma",
+ "dma-channels",
+ "dma-sram";
+ #dma-cells = <1>;
+ dma-channels = <6>;
+ resets = <&periph_rst BCM6338_RST_DMAMEM>;
+ };
};
};
diff --git a/include/dt-bindings/dma/bcm6338-dma.h b/include/dt-bindings/dma/bcm6338-dma.h
new file mode 100644
index 0000000000..5dd66239b4
--- /dev/null
+++ b/include/dt-bindings/dma/bcm6338-dma.h
@@ -0,0 +1,15 @@
+/*
+ * 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_BCM6338_H
+#define __DT_BINDINGS_DMA_BCM6338_H
+
+#define BCM6338_DMA_ENET_RX 0
+#define BCM6338_DMA_ENET_TX 1
+
+#endif /* __DT_BINDINGS_DMA_BCM6338_H */
--
2.11.0