From: Steve Twiss <stwiss.opensource@xxxxxxxxxxx>
Add binding information for DA9062 and DA9061 watchdog.
Example bindings for both devices are added.
The original binding for DA9062 (only) used to reside inside the
Documentation/devicetree/bindings/mfd/da9062.txt MFD document.
The da9062-watchdog section was deleted in that file and replaced
with a link to the new DA9061/62 binding information stored in this
patch.
Signed-off-by: Steve Twiss <stwiss.opensource@xxxxxxxxxxx>
---
This patch applies against linux-next and v4.8
v1 -> v2
- Patch renamed from [PATCH V1 07/10] to [PATCH V2 02/10] -- these
changes were made to fix checkpatch warnings caused by the patch
set dependency order
- Updated the patch description to be explicit about where parts of
this binding had originally been stored
- A second example for DA9061 is provided to highlight the use of a
fall-back compatible option for the DA9062 watchdog driver
Hi,
This patch depends on the acceptance of DA9061 watchdog driver:
[PATCH V2 08/10] watchdog: da9061: watchdog driver
This previous [PATCH V1 07/10] was acked-by: Rob Herring, however changes
in the Linux device driver have meant an additional binding example is
necessary to describe the use of DA9061.
The Linux device driver changes for DA9061 were rejected after
conversations with the watchdog maintainers, specifically about
compatibility between DA9061 and DA9062 watchdog hardware components. In
the case of the watchdog the DA9062 device driver is compatible with the
DA9061 and for this reason there is minimal change required to the DA9062
watchdog device driver and so the example for the DA9061 watchdog shows
the use of a fall-back compatible string.
Regards,
Steve Twiss, Dialog Semiconductor Ltd.
.../devicetree/bindings/watchdog/da9062-wdt.txt | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
create mode 100644 Documentation/devicetree/bindings/watchdog/da9062-wdt.txt
diff --git a/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt b/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt
new file mode 100644
index 0000000..1f8255c
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/da9062-wdt.txt
@@ -0,0 +1,21 @@
+* Dialog Semiconductor DA9062/61 Watchdog Timer
+
+Required properties:
+- compatible: "dlg,da9062-watchdog"
+ "dlg,da9061-watchdog"
+
+Example: DA9062
+
+ pmic0: da9062@58 {
+ watchdog {
+ compatible = "dlg,da9062-watchdog";
+ };
+ };
+
+Example: DA9061 using a fall-back compatible for the DA9062 watchdog driver
+
+ pmic0: da9061@58 {
+ watchdog {
+ compatible = "dlg,da9061-watchdog", "dlg,da9062-watchdog";
+ };
+ };
--
end-of-patch for PATCH V2
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