From mboxrd@z Thu Jan 1 00:00:00 1970 From: marex@denx.de (Marek Vasut) Date: Mon, 18 Jun 2012 16:01:24 +0200 Subject: [PATCH v4] ARM: mx23: Add initial support for olinuxino board In-Reply-To: <1340027512-8461-1-git-send-email-fabio.estevam@freescale.com> References: <1340027512-8461-1-git-send-email-fabio.estevam@freescale.com> Message-ID: <201206181601.24237.marex@denx.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Dear Fabio Estevam, > mx23-olinuxino is a low cost board designed by Olimex. > > It has the following features: > > - Freescale iMX233 ARM926J processor at 454MHz > -64 MB RAM > -SD-card connector > -TV PAL/NTSC video output > -2 USB High Speed Hosts > -Ethernet 100 Mbit > -Stereo Audio Input > -Stereo Headphones Audio Output > > More information at: > http://www.olimex.com/dev/imx233-olinuxino-maxi.html > > Signed-off-by: Fabio Estevam Acked-by: Marek Vasut > --- > Changes since v3: > - Fix the compatible string in imx23_dt_compat > Changes since v2: > - Add an olimex.txt file > - Change the compatible board string to 'olimex,imx23-olinuxino' > - Keep the board entry in imx23_dt_compat > Changes since v1: > - Drop "fsl,imx23-olinuxino" from mach-mxs.c > Documentation/devicetree/bindings/arm/olimex.txt | 6 +++ > arch/arm/boot/dts/imx23-olinuxino.dts | 44 > ++++++++++++++++++++++ arch/arm/boot/dts/imx23.dtsi | > 14 +++++++ > arch/arm/mach-mxs/mach-mxs.c | 1 + > 4 files changed, 65 insertions(+), 0 deletions(-) > create mode 100644 Documentation/devicetree/bindings/arm/olimex.txt > create mode 100644 arch/arm/boot/dts/imx23-olinuxino.dts > > diff --git a/Documentation/devicetree/bindings/arm/olimex.txt > b/Documentation/devicetree/bindings/arm/olimex.txt new file mode 100644 > index 0000000..007fb5c > --- /dev/null > +++ b/Documentation/devicetree/bindings/arm/olimex.txt > @@ -0,0 +1,6 @@ > +Olimex i.MX Platforms Device Tree Bindings > +------------------------------------------ > + > +i.MX23 Olinuxino Low Cost Board > +Required root node properties: > + - compatible = "olimex,imx23-olinuxino", "fsl,imx23"; > diff --git a/arch/arm/boot/dts/imx23-olinuxino.dts > b/arch/arm/boot/dts/imx23-olinuxino.dts new file mode 100644 > index 0000000..7abdd40 > --- /dev/null > +++ b/arch/arm/boot/dts/imx23-olinuxino.dts > @@ -0,0 +1,44 @@ > +/* > + * Copyright 2012 Freescale Semiconductor, Inc. > + * > + * Author: Fabio Estevam > + * > + * The code contained herein is licensed under the GNU General Public > + * License. You may obtain a copy of the GNU General Public License > + * Version 2 or later at the following locations: > + * > + * http://www.opensource.org/licenses/gpl-license.html > + * http://www.gnu.org/copyleft/gpl.html > + */ > + > +/dts-v1/; > +/include/ "imx23.dtsi" > + > +/ { > + model = "i.MX23 Olinuxino Low Cost Board"; > + compatible = "olimex,imx23-olinuxino", "fsl,imx23"; > + > + memory { > + reg = <0x40000000 0x08000000>; > + }; > + > + apb at 80000000 { > + apbh at 80000000 { > + ssp0: ssp at 80010000 { > + compatible = "fsl,imx23-mmc"; > + pinctrl-names = "default"; > + pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_sck_cfg>; > + bus-width = <4>; > + status = "okay"; > + }; > + }; > + > + apbx at 80040000 { > + duart: serial at 80070000 { > + pinctrl-names = "default"; > + pinctrl-0 = <&duart_pins_a>; > + status = "okay"; > + }; > + }; > + }; > +}; > diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi > index 8c5f999..6fc3f54 100644 > --- a/arch/arm/boot/dts/imx23.dtsi > +++ b/arch/arm/boot/dts/imx23.dtsi > @@ -134,6 +134,20 @@ > fsl,pinmux-ids = <0x2010 0x2060>; > fsl,pull-up = <0>; > }; > + > + mmc0_4bit_pins_a: mmc0-4bit at 0 { > + reg = <0>; > + fsl,pinmux-ids = <0x2000 0x2020 0x2030 > + 0x2040 0x2050>; > + fsl,drive-strength = <1>; > + fsl,voltage = <1>; > + fsl,pull-up = <1>; > + }; > + > + mmc0_sck_cfg: mmc0_sck_cfg { > + fsl,pinmux-ids = <0x2010>; > + fsl,pull-up = <0>; > + }; > }; > > digctl at 8001c000 { > diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c > index 8cac94b..a321753 100644 > --- a/arch/arm/mach-mxs/mach-mxs.c > +++ b/arch/arm/mach-mxs/mach-mxs.c > @@ -92,6 +92,7 @@ static void __init mxs_machine_init(void) > > static const char *imx23_dt_compat[] __initdata = { > "fsl,imx23-evk", > + "olimex,imx23-olinuxino", > "fsl,imx23", > NULL, > }; Best regards, Marek Vasut