dt-bindings: clk: mstar msc313 mpll binding header

Simple header to document the relationship between the MPLL outputs
and which divider they come from.

Output 0 is missing because it should not be consumed.

Signed-off-by: Daniel Palmer <[e-mail]>
Acked-by: Rob Herring <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Stephen Boyd <[e-mail]>

MAINTAINERS

···
 F:	arch/arm/boot/dts/mstar-*
 F:	arch/arm/mach-mstar/
 F:	drivers/gpio/gpio-msc313.c
+F:	include/dt-bindings/clock/mstar-*
 F:	include/dt-bindings/gpio/msc313-gpio.h
 
 ARM/NEC MOBILEPRO 900/c MACHINE SUPPORT

include/dt-bindings/clock/mstar-msc313-mpll.h

···
+/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
+/*
+ * Output definitions for the MStar/SigmaStar MPLL
+ *
+ * Copyright (C) 2020 Daniel Palmer <[e-mail]>
+ */
+
+#ifndef _DT_BINDINGS_CLOCK_MSTAR_MSC313_MPLL_H
+#define _DT_BINDINGS_CLOCK_MSTAR_MSC313_MPLL_H
+
+#define MSTAR_MSC313_MPLL_DIV2	1
+#define MSTAR_MSC313_MPLL_DIV3	2
+#define MSTAR_MSC313_MPLL_DIV4	3
+#define MSTAR_MSC313_MPLL_DIV5	4
+#define MSTAR_MSC313_MPLL_DIV6	5
+#define MSTAR_MSC313_MPLL_DIV7	6
+#define MSTAR_MSC313_MPLL_DIV10	7
+
+#endif