From mboxrd@z Thu Jan 1 00:00:00 1970 From: nicolas.ferre@atmel.com (Nicolas Ferre) Date: Thu, 21 Mar 2013 16:06:02 +0100 Subject: [PATCH] DTS at91sam9x5cm: add 1-wire chip on CM board In-Reply-To: <1363778620-5213-1-git-send-email-richard.genoud@gmail.com> References: <1363778620-5213-1-git-send-email-richard.genoud@gmail.com> Message-ID: <514B21DA.1010901@atmel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 03/20/2013 12:23 PM, Richard Genoud : > This add the 1-wire chip present on the CM board to the DTS. > As the pin is also used by leds, tt's disabled by default. > If the board really wants it, it can be enabled in the board DTS. > > Signed-off-by: Richard Genoud Acked-by: Nicolas Ferre And pushed to at91-3.10-dt branch. Thanks, > --- > arch/arm/boot/dts/at91sam9x5cm.dtsi | 20 ++++++++++++++++++++ > 1 files changed, 20 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/boot/dts/at91sam9x5cm.dtsi b/arch/arm/boot/dts/at91sam9x5cm.dtsi > index 4027ac7..347a74a 100644 > --- a/arch/arm/boot/dts/at91sam9x5cm.dtsi > +++ b/arch/arm/boot/dts/at91sam9x5cm.dtsi > @@ -24,6 +24,16 @@ > }; > > ahb { > + apb { > + pinctrl at fffff400 { > + 1wire_cm { > + pinctrl_1wire_cm: 1wire_cm-0 { > + atmel,pins = <1 18 0x0 0x2>; /* PB18 multidrive, conflicts with led */ > + }; > + }; > + }; > + }; > + > nand0: nand at 40000000 { > nand-bus-width = <8>; > nand-ecc-mode = "hw"; > @@ -74,4 +84,14 @@ > gpios = <&pioD 21 0>; > }; > }; > + > + 1wire_cm { > + compatible = "w1-gpio"; > + gpios = <&pioB 18 0>; > + linux,open-drain; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_1wire_cm>; > + status = "okay"; > + }; > + > }; > -- Nicolas Ferre