Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934478AbbENPie (ORCPT ); Thu, 14 May 2015 11:38:34 -0400 Received: from muru.com ([72.249.23.125]:50917 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934114AbbENPi2 (ORCPT ); Thu, 14 May 2015 11:38:28 -0400 Date: Thu, 14 May 2015 08:38:22 -0700 From: Tony Lindgren To: Pantelis Antoniou Cc: Benoit Cousson , Rob Herring , Grant Likely , Matt Porter , Koen Kooi , Robert Nelson , Srinivas Kandagatla , Guenter Roeck , Geert Uytterhoeven , devicetree@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Pantelis Antoniou Subject: Re: [PATCH] arm: dts: Beaglebone i2c definitions Message-ID: <20150514153822.GJ15563@atomide.com> References: <1431504274-32084-1-git-send-email-pantelis.antoniou@konsulko.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1431504274-32084-1-git-send-email-pantelis.antoniou@konsulko.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2824 Lines: 114 * Pantelis Antoniou [150513 01:05]: > The beaglebone family of boards contain two I2C busses enabled. > The first one with a baseboard identification EEPROM and a > cape I2C bus. This seems safe to apply as the i2c2 pins are listed in the cape specification. These pins could be used for other devices too.. But in that case the cape would not follow the cape standard. Regards, Tony > Signed-off-by: Pantelis Antoniou > --- > arch/arm/boot/dts/am335x-bone-common.dtsi | 66 +++++++++++++++++++++++++++++++ > 1 file changed, 66 insertions(+) > > diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi > index c3255e0..236b7db 100644 > --- a/arch/arm/boot/dts/am335x-bone-common.dtsi > +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi > @@ -81,6 +81,13 @@ > >; > }; > > + i2c2_pins: pinmux_i2c2_pins { > + pinctrl-single,pins = < > + 0x178 (PIN_INPUT_PULLUP | MUX_MODE3) /* uart1_ctsn.i2c2_sda */ > + 0x17c (PIN_INPUT_PULLUP | MUX_MODE3) /* uart1_rtsn.i2c2_scl */ > + >; > + }; > + > uart0_pins: pinmux_uart0_pins { > pinctrl-single,pins = < > 0x170 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */ > @@ -218,8 +225,67 @@ > reg = <0x24>; > }; > > + baseboard_eeprom: baseboard_eeprom@50 { > + compatible = "at,24c256"; > + reg = <0x50>; > + > + #address-cells = <1>; > + #size-cells = <1>; > + baseboard_data: baseboard_data@0 { > + reg = <0 0x100>; > + }; > + }; > +}; > + > +&i2c2 { > + pinctrl-names = "default"; > + pinctrl-0 = <&i2c2_pins>; > + > + status = "okay"; > + clock-frequency = <100000>; > + > + cape_eeprom0: cape_eeprom0@54 { > + compatible = "at,24c256"; > + reg = <0x54>; > + #address-cells = <1>; > + #size-cells = <1>; > + cape0_data: cape_data@0 { > + reg = <0 0x100>; > + }; > + }; > + > + cape_eeprom1: cape_eeprom1@55 { > + compatible = "at,24c256"; > + reg = <0x55>; > + #address-cells = <1>; > + #size-cells = <1>; > + cape1_data: cape_data@0 { > + reg = <0 0x100>; > + }; > + }; > + > + cape_eeprom2: cape_eeprom2@56 { > + compatible = "at,24c256"; > + reg = <0x56>; > + #address-cells = <1>; > + #size-cells = <1>; > + cape2_data: cape_data@0 { > + reg = <0 0x100>; > + }; > + }; > + > + cape_eeprom3: cape_eeprom3@57 { > + compatible = "at,24c256"; > + reg = <0x57>; > + #address-cells = <1>; > + #size-cells = <1>; > + cape3_data: cape_data@0 { > + reg = <0 0x100>; > + }; > + }; > }; > > + > /include/ "tps65217.dtsi" > > &tps { > -- > 1.7.12 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/