LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Peng Hao <peng.hao2@zte.com.cn>
To: robh+dt@kernel.org, mark.rutland@arm.com, arnd@arndb.de,
	gregkh@linuxfoundation.org, andy@infradead.org,
	dvhart@infradead.org
Cc: linux-kernel@vger.kernel.org,
	platform-driver-x86@vger.kernel.org, hutao@cn.fujitsu.com,
	linux-doc@vger.kernel.org, Peng Hao <peng.hao2@zte.com.cn>
Subject: [PATCH V4 5/5]  dt-bindings/misc/pvpanic :add document for pvpanic-mmio
Date: Wed, 31 Oct 2018 21:37:21 +0800	[thread overview]
Message-ID: <1540993041-25611-5-git-send-email-peng.hao2@zte.com.cn> (raw)
In-Reply-To: <1540993041-25611-1-git-send-email-peng.hao2@zte.com.cn>

 Add dt-bindings document for "qemu:pvpanic-mmio".

Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
---
 .../devicetree/bindings/misc/pvpanic-mmio.txt      | 29 ++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/misc/pvpanic-mmio.txt

diff --git a/Documentation/devicetree/bindings/misc/pvpanic-mmio.txt b/Documentation/devicetree/bindings/misc/pvpanic-mmio.txt
new file mode 100644
index 0000000..985e907
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/pvpanic-mmio.txt
@@ -0,0 +1,29 @@
+* QEMU PVPANIC MMIO Configuration bindings
+
+QEMU's emulation / virtualization targets provide the following PVPANIC
+MMIO Configuration interface on the "virt" machine.
+type:
+
+- a read-write, 16-bit wide data register.
+
+QEMU exposes the data register to guests as memory mapped registers.
+
+Required properties:
+
+- compatible: "qemu,pvpanic-mmio".
+- reg: the MMIO region used by the device.
+  * Bytes 0x0  Write panic event to the reg when guest OS panics.
+  * Bytes 0x1  Reserved.
+
+Example:
+
+/ {
+        #size-cells = <0x2>;
+        #address-cells = <0x2>;
+
+        pvpanic-mmio@9060000 {
+                compatible = "qemu,pvpanic-mmio";
+                reg = <0x0 0x9060000 0x0 0x2>;
+        };
+};
+
-- 
1.8.3.1


      parent reply	other threads:[~2018-10-31  5:27 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-31 13:37 [PATCH V4 1/5] pvpanic: move pvpanic to misc as common driver Peng Hao
2018-10-31  7:05 ` Mark Rutland
2018-10-31 12:45 ` Andy Shevchenko
2018-10-31 13:37 ` [PATCH V4 2/5] misc/pvpanic : convert to SPDX license tags Peng Hao
2018-10-31 12:46   ` Andy Shevchenko
2018-10-31 13:37 ` [PATCH V4 3/5] misc/pvpanic: add MMIO support Peng Hao
2018-10-31 12:49   ` Andy Shevchenko
2018-10-31 13:37 ` [PATCH V4 4/5] misc/pvpanic: add support to get pvpanic device info by FDT Peng Hao
2018-10-31 12:50   ` Andy Shevchenko
2018-10-31 12:53   ` Andy Shevchenko
2018-10-31 13:37 ` Peng Hao [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=1540993041-25611-5-git-send-email-peng.hao2@zte.com.cn \
    --to=peng.hao2@zte.com.cn \
    --cc=andy@infradead.org \
    --cc=arnd@arndb.de \
    --cc=dvhart@infradead.org \
    --cc=gregkh@linuxfoundation.org \
    --cc=hutao@cn.fujitsu.com \
    --cc=linux-doc@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=platform-driver-x86@vger.kernel.org \
    --cc=robh+dt@kernel.org \
    --subject='Re: [PATCH V4 5/5]  dt-bindings/misc/pvpanic :add document for pvpanic-mmio' \
    /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

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).