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Wed, 18 May 2022 01:21:54 -0700 (PDT) Date: Wed, 18 May 2022 10:21:52 +0200 From: Anthoine Bourgeois To: Derald Woods Cc: Tom Rini , U-Boot Mailing List , Simon Glass Subject: Re: [PATCH 2/3] ARM: dts: omap3-devkit8000: Fix CONFIG_DM_I2C warning Message-ID: References: <20220515133822.788325-1-anthoine.bourgeois@gmail.com> <20220515133822.788325-2-anthoine.bourgeois@gmail.com> <20220515140058.GH3901321@bill-the-cat> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean On Sun, May 15, 2022 at 01:58:37PM -0500, Derald Woods wrote: >On Sun, May 15, 2022 at 9:01 AM Tom Rini wrote: > >> On Sun, May 15, 2022 at 03:38:21PM +0200, Anthoine Bourgeois wrote: >> >> > Seems that u-boot can't probe i2c bus at 2.6Mhz speed, so lower >> > the speed to the default value 100Khz. >> > >> > Signed-off-by: Anthoine Bourgeois >> > --- >> > arch/arm/dts/omap3-devkit8000.dts | 2 +- >> > configs/devkit8000_defconfig | 1 + >> > 2 files changed, 2 insertions(+), 1 deletion(-) >> > >> > diff --git a/arch/arm/dts/omap3-devkit8000.dts >> b/arch/arm/dts/omap3-devkit8000.dts >> > index eee3ba073b..9cd3708d95 100644 >> > --- a/arch/arm/dts/omap3-devkit8000.dts >> > +++ b/arch/arm/dts/omap3-devkit8000.dts >> > @@ -115,7 +115,7 @@ >> > }; >> > >> > &i2c1 { >> > - clock-frequency = <2600000>; >> > + clock-frequency = <100000>; >> > >> > twl: twl@48 { >> > reg = <0x48>; >> >> Thanks for updating these platforms. Can we override this in the >> -u-boot.dtsi file? >> >> -- >> Tom >> > >$ grep -RI "clock-frequency = <2600000>" . >./arch/arm/dts/logicpd-torpedo-som.dtsi: clock-frequency = <2600000>; >./arch/arm/dts/omap3-igep.dtsi: clock-frequency = <2600000>; >./arch/arm/dts/omap3-beagle.dts: clock-frequency = <2600000>; >./arch/arm/dts/omap3-evm-common.dtsi: clock-frequency = <2600000>; >./arch/arm/dts/logicpd-som-lv.dtsi: clock-frequency = <2600000>; >./arch/arm/dts/omap3-beagle-xm.dts: clock-frequency = <2600000>; > >All of these would benefit. Yes, good idea, this is in v2. -- Anthoine