From: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Subject: [PATCH 4/4] ARM: ux500: define the backupram in the device tree
Date: Thu, 14 May 2015 18:11:07 +0200 [thread overview]
Message-ID: <1431619867-14700-5-git-send-email-linus.walleij@linaro.org> (raw)
In-Reply-To: <1431619867-14700-1-git-send-email-linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
The Ux500 SOCs have a special backup RAM that needs to be
defined in the device tree.
Signed-off-by: Linus Walleij <linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
arch/arm/boot/dts/ste-dbx5x0.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm/boot/dts/ste-dbx5x0.dtsi b/arch/arm/boot/dts/ste-dbx5x0.dtsi
index f024a1c0de8b..853684ad7773 100644
--- a/arch/arm/boot/dts/ste-dbx5x0.dtsi
+++ b/arch/arm/boot/dts/ste-dbx5x0.dtsi
@@ -190,6 +190,15 @@
reg = <0xa0410000 0x100>;
};
+ /*
+ * The backup RAM is used for retention during sleep
+ * and various things like spin tables
+ */
+ backupram@80150000 {
+ compatible = "ste,dbx500-backupram";
+ reg = <0x80150000 0x2000>;
+ };
+
L2: l2-cache {
compatible = "arm,pl310-cache";
reg = <0xa0412000 0x1000>;
--
1.9.3
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
prev parent reply other threads:[~2015-05-14 16:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-14 16:11 [PATCH 0/4] Ux500 Device Tree docs and additions Linus Walleij
[not found] ` <1431619867-14700-1-git-send-email-linus.walleij-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-05-14 16:11 ` [PATCH 1/4] ARM: scu: document Snoop Control Unit DT bindings Linus Walleij
2015-05-14 16:11 ` [PATCH 2/4] ARM: ux500: add board documentation Linus Walleij
2015-05-14 16:11 ` [PATCH 3/4] ARM: ux500: add SCU and WD to device tree Linus Walleij
2015-05-14 16:11 ` Linus Walleij [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1431619867-14700-5-git-send-email-linus.walleij@linaro.org \
--to=linus.walleij-qsej5fyqhm4dnm+yrofe0a@public.gmane.org \
--cc=devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).