From: Kuninori Morimoto Date: Thu, 4 Apr 2013 07:07:14 +0000 (-0700) Subject: ARM: shmobile: r8a7779: add each clocks ratio on comment area X-Git-Tag: firefly_0821_release~3680^2~546^2~6^2~1 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f0ff5a0a82b0c1be8e14584aa66a7890e08361d9;p=firefly-linux-kernel-4.4.55.git 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 Signed-off-by: Kuninori Morimoto Signed-off-by: Simon Horman --- diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c index 7d86bfbb5b06..5436b512da7a 100644 --- a/arch/arm/mach-shmobile/clock-r8a7779.c +++ b/arch/arm/mach-shmobile/clock-r8a7779.c @@ -26,6 +26,25 @@ #include #include +/* + * 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)