From: Feng Kan <fkan@apm.com>
To: linux@roeck-us.net, dbaryshkov@gmail.com,
catalin.marinas@arm.com, dwmw2@infradead.org, arnd@arndb.de,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, patches@apm.com,
linux-pm@vger.kernel.org, will.deacon@arm.com
Cc: Feng Kan <fkan@apm.com>
Subject: [PATCH RESEND V9 2/6] Documentation: power: reset: Add documentation for generic SYSCON reboot driver
Date: Tue, 30 Sep 2014 16:25:04 -0700 [thread overview]
Message-ID: <1412119508-22864-3-git-send-email-fkan@apm.com> (raw)
In-Reply-To: <1412119508-22864-1-git-send-email-fkan@apm.com>
Add documentation for generic SYSCON reboot driver.
Signed-off-by: Feng Kan <fkan@apm.com>
---
.../bindings/power/reset/syscon-reboot.txt | 23 ++++++++++++++++++++++
1 file changed, 23 insertions(+)
create mode 100644 Documentation/devicetree/bindings/power/reset/syscon-reboot.txt
diff --git a/Documentation/devicetree/bindings/power/reset/syscon-reboot.txt b/Documentation/devicetree/bindings/power/reset/syscon-reboot.txt
new file mode 100644
index 0000000..1190631
--- /dev/null
+++ b/Documentation/devicetree/bindings/power/reset/syscon-reboot.txt
@@ -0,0 +1,23 @@
+Generic SYSCON mapped register reset driver
+
+This is a generic reset driver using syscon to map the reset register.
+The reset is generally performed with a write to the reset register
+defined by the register map pointed by syscon reference plus the offset
+with the mask defined in the reboot node.
+
+Required properties:
+- compatible: should contain "syscon-reboot"
+- regmap: this is phandle to the register map node
+- offset: offset in the register map for the reboot register (in bytes)
+- mask: the reset value written to the reboot register (32 bit access)
+
+Default will be little endian mode, 32 bit access only.
+
+Examples:
+
+ reboot {
+ compatible = "syscon-reboot";
+ regmap = <®mapnode>;
+ offset = <0x0>;
+ mask = <0x1>;
+ };
--
1.9.1
next prev parent reply other threads:[~2014-09-30 23:25 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-30 23:25 [PATCH RESEND V9 0/6] Add generic syscon reboot driver Feng Kan
2014-09-30 23:25 ` [PATCH RESEND V9 1/6] power: reset: Add generic SYSCON register mapped reset Feng Kan
2014-10-01 3:11 ` Guenter Roeck
2014-10-01 15:18 ` Sebastian Reichel
2014-09-30 23:25 ` Feng Kan [this message]
2014-09-30 23:25 ` [PATCH RESEND V9 3/6] Documentation: arm64: add SCU dts binding documentation to linux kernel Feng Kan
2014-09-30 23:25 ` [PATCH RESEND V9 4/6] arm64: dts: Add X-Gene reboot driver dts node Feng Kan
2014-09-30 23:25 ` [PATCH RESEND V9 5/6] arm64: Select reboot driver for X-Gene platform Feng Kan
2014-09-30 23:25 ` [PATCH RESEND V9 6/6] power: reset: Remove X-Gene reboot driver Feng Kan
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