From: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
To: Elyas Razzaghi <elyas.r-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: Add I2C with PCA9665
Date: Fri, 28 Jun 2013 12:45:17 +0200 [thread overview]
Message-ID: <20130628104516.GC2948@katana> (raw)
In-Reply-To: <51CD64D5.60907-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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> static struct resource i2c_resources[] = {
> [0] = {
> .start = AT91_CHIPSELECT_2, /* 0x30000000 */
> .end = AT91_CHIPSELECT_2 + SZ_16K - 1,
> .flags = IORESOURCE_MEM,
Unless reading 0x30000000 does not return something like 0xf8, you have
a problem with mapping in the register range. Make sure the, 8 bit bus
width works.
Regards,
Wolfram
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next prev parent reply other threads:[~2013-06-28 10:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-28 10:26 Add I2C with PCA9665 Elyas Razzaghi
[not found] ` <51CD64D5.60907-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-06-28 10:45 ` Wolfram Sang [this message]
2013-06-28 19:47 ` Elyas Razzaghi
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