From: "George Pontis" <GPontis@z9.com>
To: barebox@lists.infradead.org
Subject: RE: i.MX53, add access to third I2C peripheral
Date: Mon, 4 Feb 2013 16:31:20 -0800 [thread overview]
Message-ID: <005301ce0338$1e5e1fe0$5b1a5fa0$@com> (raw)
In-Reply-To: <1360004939.170907890@f389.i.mail.ru>
> -----Original Message-----
> From: Alexander Shiyan [mailto:shc_work@mail.ru]
> Sent: Monday, February 04, 2013 11:09 AM
> To: George Pontis
> Cc: barebox@lists.infradead.org
> Subject: Re: i.MX53, add access to third I2C peripheral
>
> > All versions of the i.MX53 have three I2C peripherals. This patch
> provides
> > access to it.
> ...
> > +static inline struct device_d *imx53_add_i2c2(struct
> i2c_platform_data
> > *pdata)
> > +{
> > + return imx_add_i2c((void *)MX53_I2C2_BASE_ADDR, 2, pdata);
> > +}
> > +
> MX53_I2C3_BASE_ADDR ?
>
> ---
Thanks for the correction Alex. I also forgot to handle the clock for this new peripheral. With both in place, a device on the third bus is recognized at boot and listed by devinfo.
diff -Naur bb.a/arch/arm/mach-imx/include/mach/devices-imx53.h bb.b/arch/arm/mach-imx/include/mach/devic
es-imx53.h
--- bb.a/arch/arm/mach-imx/include/mach/devices-imx53.h 2013-02-04 06:24:51.000000000 -0800
+++ bb.b/arch/arm/mach-imx/include/mach/devices-imx53.h 2013-02-03 22:24:26.930091420 -0800
@@ -21,6 +21,11 @@
return imx_add_i2c((void *)MX53_I2C2_BASE_ADDR, 1, pdata);
}
+static inline struct device_d *imx53_add_i2c2(struct i2c_platform_data *pdata)
+{
+ return imx_add_i2c((void *)MX53_I2C3_BASE_ADDR, 2, pdata);
+}
+
static inline struct device_d *imx53_add_uart0(void)
{
return imx_add_uart_imx21((void *)MX53_UART1_BASE_ADDR, 0);
diff -Naur bb.a/arch/arm/mach-imx/clk-imx5.c bb.b/arch/arm/mach-imx/clk-imx5.c
--- bb.a/arch/arm/mach-imx/clk-imx5.c 2013-02-04 06:24:51.000000000 -0800
+++ bb.b/arch/arm/mach-imx/clk-imx5.c 2013-02-04 16:14:04.729284183 -0800
@@ -272,6 +272,7 @@
clkdev_add_physbase(clks[uart_root], MX53_UART3_BASE_ADDR, NULL);
clkdev_add_physbase(clks[per_root], MX53_I2C1_BASE_ADDR, NULL);
clkdev_add_physbase(clks[per_root], MX53_I2C2_BASE_ADDR, NULL);
+ clkdev_add_physbase(clks[per_root], MX53_I2C3_BASE_ADDR, NULL);
clkdev_add_physbase(clks[per_root], MX53_GPT1_BASE_ADDR, NULL);
clkdev_add_physbase(clks[ipg], MX53_CSPI_BASE_ADDR, NULL);
clkdev_add_physbase(clks[ecspi_podf], MX53_ECSPI1_BASE_ADDR, NULL);
_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox
next prev parent reply other threads:[~2013-02-05 0:31 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-04 19:04 i.MX53, add access to third I2C peripheral George Pontis
2013-02-04 19:08 ` Alexander Shiyan
2013-02-05 0:31 ` George Pontis [this message]
2013-02-05 8:52 ` Sascha Hauer
2013-02-05 17:48 ` i.MX53, add access to third I2C peripheral ( resubmit with Signed-off tag ) George Pontis
2013-02-06 18:48 ` Sascha Hauer
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='005301ce0338$1e5e1fe0$5b1a5fa0$@com' \
--to=gpontis@z9.com \
--cc=barebox@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.