mips: bmips: add bcm6345-rst driver support for BCM63268

This driver can control up to 32 clocks.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/mips/dts/brcm,bcm63268.dtsi

@@ -6,6 +6,7 @@
 
 #include <dt-bindings/clock/bcm63268-clock.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/reset/bcm63268-reset.h>
 #include "skeleton.dtsi"
 
 / {
@@ -76,6 +77,12 @@
 			mask = <0x1>;
 		};
 
+		periph_rst: reset-controller@10000010 {
+			compatible = "brcm,bcm6345-reset";
+			reg = <0x10000010 0x4>;
+			#reset-cells = <1>;
+		};
+
 		gpio1: gpio-controller@100000c0 {
 			compatible = "brcm,bcm6345-gpio";
 			reg = <0x100000c0 0x4>, <0x100000c8 0x4>;

include/dt-bindings/reset/bcm63268-reset.h

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * Derived from linux/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __DT_BINDINGS_RESET_BCM63268_H
+#define __DT_BINDINGS_RESET_BCM63268_H
+
+#define BCM63268_RST_SPI	0
+#define BCM63268_RST_IPSEC	1
+#define BCM63268_RST_EPHY	2
+#define BCM63268_RST_SAR	3
+#define BCM63268_RST_ENETSW	4
+#define BCM63268_RST_USBS	5
+#define BCM63268_RST_USBH	6
+#define BCM63268_RST_PCM	7
+#define BCM63268_RST_PCIE_CORE	8
+#define BCM63268_RST_PCIE	9
+#define BCM63268_RST_PCIE_EXT	10
+#define BCM63268_RST_WLAN_SHIM	11
+#define BCM63268_RST_DDR_PHY	12
+#define BCM63268_RST_FAP0	13
+#define BCM63268_RST_WLAN_UBUS	14
+#define BCM63268_RST_DECT	15
+#define BCM63268_RST_FAP1	16
+#define BCM63268_RST_PCIE_HARD	17
+#define BCM63268_RST_GPHY	18
+
+#endif /* __DT_BINDINGS_RESET_BCM63268_H */