From mboxrd@z Thu Jan 1 00:00:00 1970 From: fabio.estevam@freescale.com (Fabio Estevam) Date: Mon, 18 Jun 2012 10:51:52 -0300 Subject: [PATCH v4] ARM: mx23: Add initial support for olinuxino board Message-ID: <1340027512-8461-1-git-send-email-fabio.estevam@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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, }; -- 1.7.1