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Commit f0ff5a0a authored Apr 04, 2013 by Kuninori Morimoto Committed by Simon Horman Apr 04, 2013

ARM: shmobile: r8a7779: add each clocks ratio on comment area



Adding comment describing the r8a7779 clock frequencies depending on
MD pin settings.

Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

parent 8585deb1

arch/arm/mach-shmobile/clock-r8a7779.c

+19 −0

Original line number	Diff line number	Diff line
		@@ -26,6 +26,25 @@
		#include <mach/clock.h>
		#include <mach/common.h>

		/*
		* MD1 = 1 MD1 = 0
		* (PLLA = 1500) (PLLA = 1600)
		* (MHz) (MHz)
		*------------------------------------------------+--------------------
		* clkz 1000 (2/3) 800 (1/2)
		* clkzs 250 (1/6) 200 (1/8)
		* clki 750 (1/2) 800 (1/2)
		* clks 250 (1/6) 200 (1/8)
		* clks1 125 (1/12) 100 (1/16)
		* clks3 187.5 (1/8) 200 (1/8)
		* clks4 93.7 (1/16) 100 (1/16)
		* clkp 62.5 (1/24) 50 (1/32)
		* clkg 62.5 (1/24) 66.6 (1/24)
		* clkb, CLKOUT
		* (MD2 = 0) 62.5 (1/24) 66.6 (1/24)
		* (MD2 = 1) 41.6 (1/36) 50 (1/32)
		*/

		#define MD(nr) BIT(nr)

		#define FRQMR IOMEM(0xffc80014)