public inbox for u-boot@lists.denx.de
 help / color / mirror / Atom feed
From: Lukasz Majewski <lukma@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/2] i2c: ti: Update SCLH and SCLL to be in sync with v4.9 Linux kernel
Date: Mon, 27 Mar 2017 10:04:25 +0200	[thread overview]
Message-ID: <20170327100425.76020421@jawa> (raw)
In-Reply-To: <1489593563-17749-1-git-send-email-lukma@denx.de>

Dear All,

> v4.9 Linux release:
> SHA1: 69973b830859bc6529a7a0468ba0d80ee5117826
> in the ./drivers/i2c/busses/i2c-omap.c
> 
> recommends to use SCLH=5 and SCLL=7 values.
> This patch sets them to default.

Any comments on this?

> 
> Signed-off-by: Lukasz Majewski <lukma@denx.de>
> ---
>  drivers/i2c/omap24xx_i2c.h | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/i2c/omap24xx_i2c.h b/drivers/i2c/omap24xx_i2c.h
> index 3dae295..8a4ae98 100644
> --- a/drivers/i2c/omap24xx_i2c.h
> +++ b/drivers/i2c/omap24xx_i2c.h
> @@ -121,17 +121,17 @@
>   * scll_trim = 7
>   * sclh_trim = 5
>   *
> - * The linux 2.6.30 kernel uses
> - * scll_trim = 6
> - * sclh_trim = 6
> + * The linux 4.9 kernel uses
> + * scll_trim = 7
> + * sclh_trim = 5
>   *
>   * These are the trim values for standard and fast speed
>   */
>  #ifndef I2C_FASTSPEED_SCLL_TRIM
> -#define I2C_FASTSPEED_SCLL_TRIM		6
> +#define I2C_FASTSPEED_SCLL_TRIM		7
>  #endif
>  #ifndef I2C_FASTSPEED_SCLH_TRIM
> -#define I2C_FASTSPEED_SCLH_TRIM		6
> +#define I2C_FASTSPEED_SCLH_TRIM		5
>  #endif
>  
>  /* These are the trim values for high speed */




Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de

  parent reply	other threads:[~2017-03-27  8:04 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-15 15:59 [U-Boot] [PATCH 1/2] i2c: ti: Update SCLH and SCLL to be in sync with v4.9 Linux kernel Lukasz Majewski
2017-03-15 15:59 ` [U-Boot] [PATCH 2/2] i2c: ti: Update method to calculate psc, sscl and ssch I2C parameters Lukasz Majewski
2017-03-27  8:04   ` Lukasz Majewski
2017-03-27  8:46     ` Heiko Schocher
2017-03-27  8:04 ` Lukasz Majewski [this message]
2017-03-27  8:46   ` [U-Boot] [PATCH 1/2] i2c: ti: Update SCLH and SCLL to be in sync with v4.9 Linux kernel Heiko Schocher

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=20170327100425.76020421@jawa \
    --to=lukma@denx.de \
    --cc=u-boot@lists.denx.de \
    /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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox