[PATCH v2] ARM: mx23: Add initial support for olinuxino board
Fabio Estevam
festevam at gmail.com
Sun Jun 17 09:51:21 EDT 2012
From: Fabio Estevam <fabio.estevam at freescale.com>
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 <fabio.estevam at freescale.com>
---
Changes since v1:
- Drop "fsl,imx23-olinuxino" from mach-mxs.c
Documentation/devicetree/bindings/arm/fsl.txt | 4 ++
arch/arm/boot/dts/imx23-olinuxino.dts | 45 +++++++++++++++++++++++++
arch/arm/boot/dts/imx23.dtsi | 14 ++++++++
3 files changed, 63 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/boot/dts/imx23-olinuxino.dts
diff --git a/Documentation/devicetree/bindings/arm/fsl.txt b/Documentation/devicetree/bindings/arm/fsl.txt
index ac9e751..ca2bc1c 100644
--- a/Documentation/devicetree/bindings/arm/fsl.txt
+++ b/Documentation/devicetree/bindings/arm/fsl.txt
@@ -5,6 +5,10 @@ i.MX23 Evaluation Kit
Required root node properties:
- compatible = "fsl,imx23-evk", "fsl,imx23";
+i.MX23 Olinuxino Low Cost Board
+Required root node properties:
+ - compatible = "fsl,imx23-olinuxino", "fsl,imx23";
+
i.MX28 Evaluation Kit
Required root node properties:
- compatible = "fsl,imx28-evk", "fsl,imx28";
diff --git a/arch/arm/boot/dts/imx23-olinuxino.dts b/arch/arm/boot/dts/imx23-olinuxino.dts
new file mode 100644
index 0000000..3c56010
--- /dev/null
+++ b/arch/arm/boot/dts/imx23-olinuxino.dts
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ *
+ * Author: Fabio Estevam <fabio.estevam at freescale.com>
+ *
+ * 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 = "fsl,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..89044f0 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 {
--
1.7.1
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