From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros Subject: Re: [PATCH v2] ARM: dts: dra7xx: Fix compatible string for PCF8575 chip Date: Fri, 18 Mar 2016 10:47:43 +0200 Message-ID: <56EBC0AF.6080902@ti.com> References: <1458147150.20441.2.camel@codethink.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1458147150.20441.2.camel-4yDnlxn2s6sWdaTGBSpHTA@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Ben Hutchings , linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: CT kernel , Grygorii Strashko , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Nishanth Menon List-Id: linux-omap@vger.kernel.org On 16/03/16 18:52, Ben Hutchings wrote: > The binding definition for the PCF857x GPIO expanders doesn't mention > a "ti,pcf8575" compatible string. This is apparently because TI is > only a second source - there is no functional difference between > PCF8575 chips manufactured by TI and NXP, and the same board might be > populated with either depending on availability. > > This is not a problem in practice because the I2C core uses > of_modalias_node() before matching drivers and this strips the > manufacturer name. > > Signed-off-by: Ben Hutchings Acked-by: Roger Quadros cheers, -roger > --- > v2: Correct the claim that this is a practical problem. > > arch/arm/boot/dts/dra7-evm.dts | 2 +- > arch/arm/boot/dts/dra72-evm.dts | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts > index cfc24e52244e..3907c9d2c12e 100644 > --- a/arch/arm/boot/dts/dra7-evm.dts > +++ b/arch/arm/boot/dts/dra7-evm.dts > @@ -539,7 +539,7 @@ > }; > > pcf_gpio_21: gpio@21 { > - compatible = "ti,pcf8575"; > + compatible = "nxp,pcf8575"; > reg = <0x21>; > lines-initial-states = <0x1408>; > gpio-controller; > diff --git a/arch/arm/boot/dts/dra72-evm.dts b/arch/arm/boot/dts/dra72-evm.dts > index 00b12002c07c..7ec42bda3afb 100644 > --- a/arch/arm/boot/dts/dra72-evm.dts > +++ b/arch/arm/boot/dts/dra72-evm.dts > @@ -422,7 +422,7 @@ > }; > > pcf_gpio_21: gpio@21 { > - compatible = "ti,pcf8575"; > + compatible = "nxp,pcf8575"; > reg = <0x21>; > lines-initial-states = <0x1408>; > gpio-controller; > > > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html