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From: Julien Massot <julien.massot@iot.bzh>
To: Linux-Renesas <linux-renesas-soc@vger.kernel.org>
Subject: Parent clock for MFIS module
Date: Thu, 10 Dec 2020 14:07:16 +0100	[thread overview]
Message-ID: <c84c0d96-b768-600a-e412-f25d5ae299e5@iot.bzh> (raw)

Hi,
I did a linux driver which makes use of the MFIS module, and so my first 
step would be to send a patch to add the MFIS module clock, which will 
basically do that:

--- a/drivers/clk/renesas/r8a7795-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c
@@ -137,6 +137,7 @@ static struct mssr_mod_clk r8a7795_mod_clks[] 
__initdata = {
  	DEF_MOD("msiof2",		 209,	R8A7795_CLK_MSO),
  	DEF_MOD("msiof1",		 210,	R8A7795_CLK_MSO),
  	DEF_MOD("msiof0",		 211,	R8A7795_CLK_MSO),
+	DEF_MOD("mfis",		         213,	R8A7795_CLK_MSO),
  	DEF_MOD("sys-dmac2",		 217,	R8A7795_CLK_S3D1),

But the third parameter of DEF_MOD is definitely wrong and despite 
having read the hardware manual I can't figure out where this 
information is. Does someone have any hint on where to find the parent 
clock for the mfis mod clock ?

Thanks,
Julien

             reply	other threads:[~2020-12-10 13:15 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-10 13:07 Julien Massot [this message]
2020-12-10 13:51 ` Parent clock for MFIS module Geert Uytterhoeven
2020-12-10 14:19   ` Julien Massot

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