mips: bmips: add bcm6345-clk 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

@@ -4,6 +4,7 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
+#include <dt-bindings/clock/bcm63268-clock.h>
 #include <dt-bindings/gpio/gpio.h>
 #include "skeleton.dtsi"
 
@@ -43,6 +44,18 @@
 			clock-frequency = <50000000>;
 			u-boot,dm-pre-reloc;
 		};
+
+		periph_clk: periph-clk {
+			compatible = "brcm,bcm6345-clk";
+			reg = <0x10000004 0x4>;
+			#clock-cells = <1>;
+		};
+
+		timer_clk: timer-clk {
+			compatible = "brcm,bcm6345-clk";
+			reg = <0x100000ac 0x4>;
+			#clock-cells = <1>;
+		};
 	};
 
 	ubus {

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

@@ -0,0 +1,52 @@
+/*
+ * 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_CLOCK_BCM63268_H
+#define __DT_BINDINGS_CLOCK_BCM63268_H
+
+#define BCM63268_CLK_GLESS	0
+#define BCM63268_CLK_VDSL_QPROC	1
+#define BCM63268_CLK_VDSL_AFE	2
+#define BCM63268_CLK_VDSL	3
+#define BCM63268_CLK_MIPS	4
+#define BCM63268_CLK_WLAN_OCP	5
+#define BCM63268_CLK_DECT	6
+#define BCM63268_CLK_FAP0	7
+#define BCM63268_CLK_FAP1	8
+#define BCM63268_CLK_SAR	9
+#define BCM63268_CLK_ROBOSW	10
+#define BCM63268_CLK_PCM	11
+#define BCM63268_CLK_USBD	12
+#define BCM63268_CLK_USBH	13
+#define BCM63268_CLK_IPSEC	14
+#define BCM63268_CLK_SPI	15
+#define BCM63268_CLK_HSSPI	16
+#define BCM63268_CLK_PCIE	17
+#define BCM63268_CLK_PHYMIPS	18
+#define BCM63268_CLK_GMAC	19
+#define BCM63268_CLK_NAND	20
+#define BCM63268_CLK_TBUS	27
+#define BCM63268_CLK_ROBOSW250	31
+
+#define BCM63268_TCLK_EPHY1	0
+#define BCM63268_TCLK_EPHY2	1
+#define BCM63268_TCLK_EPHY3	2
+#define BCM63268_TCLK_GPHY	3
+#define BCM63268_TCLK_DSL	4
+#define BCM63268_TCLK_WO_EPHY	5
+#define BCM63268_TCLK_WO_DSL	6
+#define BCM63268_TCLK_FAP1	11
+#define BCM63268_TCLK_FAP2	15
+#define BCM63268_TCLK_UTO_50	16
+#define BCM63268_TCLK_UTO_EXT	17
+#define BCM63268_TCLK_USB_REF	18
+#define BCM63268_TCLK_SW_RST	29
+#define BCM63268_TCLK_HW_RST	30
+#define BCM63268_TCLK_POR_RST	31
+
+#endif /* __DT_BINDINGS_CLOCK_BCM63268_H */