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
next prev 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
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