clk: at91: add PMC macro file for dt definitions

This patch adds a new macro file for PMC macros.

This macro file includes the definitions of SR (status register) bit
offsets and will be use to reference PMC irqs.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

include/dt-bindings/clk/at91.h

@@ -0,0 +1,22 @@
+/*
+ * This header provides constants for AT91 pmc status.
+ *
+ * The constants defined in this header are being used in dts.
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#ifndef _DT_BINDINGS_CLK_AT91_H
+#define _DT_BINDINGS_CLK_AT91_H
+
+#define AT91_PMC_MOSCS		0		/* MOSCS Flag */
+#define AT91_PMC_LOCKA		1		/* PLLA Lock */
+#define AT91_PMC_LOCKB		2		/* PLLB Lock */
+#define AT91_PMC_MCKRDY		3		/* Master Clock */
+#define AT91_PMC_LOCKU		6		/* UPLL Lock */
+#define AT91_PMC_PCKRDY(id)	(8 + (id))	/* Programmable Clock */
+#define AT91_PMC_MOSCSELS	16		/* Main Oscillator Selection */
+#define AT91_PMC_MOSCRCS	17		/* Main On-Chip RC */
+#define AT91_PMC_CFDEV		18		/* Clock Failure Detector Event */
+
+#endif