Thread (26 messages) 26 messages, 2 authors, 2014-10-07

[PATCH v2 4/7] ARM: dts: sun9i: Add A80 Optimus Board support

From: Maxime Ripard <hidden>
Date: 2014-09-29 09:55:09
Also in: linux-devicetree, lkml

On Sat, Sep 27, 2014 at 09:10:48PM +0800, Chen-Yu Tsai wrote:
On Thu, Sep 25, 2014 at 9:34 PM, Maxime Ripard
[off-list ref] wrote:
quoted
On Wed, Sep 24, 2014 at 10:48:58PM +0800, Chen-Yu Tsai wrote:
quoted
The A80 Optimus Board is was launched with the Allwinner A80 SoC.
It was jointly developed by Allwinner and Merrii.

This board has a UART port, a JTAG connector, USB host ports, a USB
3.0 OTG connector, an HDMI output, a micro SD slot, 8G NAND flash,
4G DRAM, a camera sensor interface, a WiFi/BT combo chip, a headphone
jack, IR receiver, and additional GPIO headers.

This patch adds only basic support.

Signed-off-by: Chen-Yu Tsai <redacted>
---
 arch/arm/boot/dts/Makefile              |  2 +
 arch/arm/boot/dts/sun9i-a80-optimus.dts | 66 +++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+)
 create mode 100644 arch/arm/boot/dts/sun9i-a80-optimus.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 2f42b18..098f319 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -424,6 +424,8 @@ dtb-$(CONFIG_MACH_SUN7I) += \
      sun7i-a20-pcduino3.dtb
 dtb-$(CONFIG_MACH_SUN8I) += \
      sun8i-a23-ippo-q8h-v5.dtb
+dtb-$(CONFIG_MACH_SUN9I) += \
+     sun9i-a80-optimus.dtb
 dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \
      tegra20-iris-512.dtb \
      tegra20-medcom-wide.dtb \
diff --git a/arch/arm/boot/dts/sun9i-a80-optimus.dts b/arch/arm/boot/dts/sun9i-a80-optimus.dts
new file mode 100644
index 0000000..f83abab
--- /dev/null
+++ b/arch/arm/boot/dts/sun9i-a80-optimus.dts
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2014 Chen-Yu Tsai
+ *
+ * Chen-Yu Tsai <wens@csie.org>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This library is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This library is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public
+ *     License along with this library; if not, write to the Free
+ *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ *     MA 02110-1301 USA
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+/include/ "sun9i-a80.dtsi"
+
+/ {
+     model = "Merrii A80 Optimus Board";
+     compatible = "merrii,a80-optimus", "allwinner,sun9i-a80";
+
+     chosen {
+             bootargs = "earlyprintk console=ttyS0,115200";
+     };
Since you changed the memory node in the DTSI, you should probably add
one here too, don't you?
I thought we left fixing that to the bootloader?
I don't see any memory nodes in our other DTS.
Yes, but does the A80 bootloader supports DT and actually fixes it? If
not, then you'll still have to have a memory node, just like on the
A31 (and presumably on the A23).

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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