diff mbox series

[v2,2/3] dt-bindings: power: reset: Unrequire regmap property in syscon-reboot node

Message ID 20200507233846.11548-3-Sergey.Semin@baikalelectronics.ru
State Not Applicable, archived
Headers show
Series syscon: Alter syscon and reboot drivers | expand

Checks

Context Check Description
robh/checkpatch success
robh/dt-meta-schema success

Commit Message

Serge Semin May 7, 2020, 11:38 p.m. UTC
Since normally syscon-reboot block is supposed to be a part of a system
controller, lets mark the regmap property as deprecated and recommend the
syscon-reboot node to be a sub-node of SYSCON.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Allison Randal <allison@lohutok.net>
Cc: Richard Fontana <rfontana@redhat.com>
Cc: Kate Stewart <kstewart@linuxfoundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mips@vger.kernel.org

---

Changelog v2:
- This is a new patch created as a result of the discussion:
  https://lore.kernel.org/linux-pm/20200306130402.1F4F0803079F@mail.baikalelectronics.ru/
---
 .../bindings/power/reset/syscon-reboot.yaml       | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

Comments

Rob Herring May 15, 2020, 3:14 a.m. UTC | #1
On Fri, 8 May 2020 02:38:45 +0300, Serge Semin wrote:
> Since normally syscon-reboot block is supposed to be a part of a system
> controller, lets mark the regmap property as deprecated and recommend the
> syscon-reboot node to be a sub-node of SYSCON.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
> Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
> Cc: Paul Burton <paulburton@kernel.org>
> Cc: Ralf Baechle <ralf@linux-mips.org>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: Allison Randal <allison@lohutok.net>
> Cc: Richard Fontana <rfontana@redhat.com>
> Cc: Kate Stewart <kstewart@linuxfoundation.org>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: linux-mips@vger.kernel.org
> 
> ---
> 
> Changelog v2:
> - This is a new patch created as a result of the discussion:
>   https://lore.kernel.org/linux-pm/20200306130402.1F4F0803079F@mail.baikalelectronics.ru/
> ---
>  .../bindings/power/reset/syscon-reboot.yaml       | 15 ++++++++++-----
>  1 file changed, 10 insertions(+), 5 deletions(-)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
Serge Semin May 16, 2020, 1:26 p.m. UTC | #2
On Thu, May 14, 2020 at 10:14:49PM -0500, Rob Herring wrote:
> On Fri, 8 May 2020 02:38:45 +0300, Serge Semin wrote:
> > Since normally syscon-reboot block is supposed to be a part of a system
> > controller, lets mark the regmap property as deprecated and recommend the
> > syscon-reboot node to be a sub-node of SYSCON.
> > 
> > Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
> > Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
> > Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
> > Cc: Paul Burton <paulburton@kernel.org>
> > Cc: Ralf Baechle <ralf@linux-mips.org>
> > Cc: Arnd Bergmann <arnd@arndb.de>
> > Cc: Allison Randal <allison@lohutok.net>
> > Cc: Richard Fontana <rfontana@redhat.com>
> > Cc: Kate Stewart <kstewart@linuxfoundation.org>
> > Cc: Thomas Gleixner <tglx@linutronix.de>
> > Cc: linux-mips@vger.kernel.org
> > 
> > ---
> > 
> > Changelog v2:
> > - This is a new patch created as a result of the discussion:
> >   https://lore.kernel.org/linux-pm/20200306130402.1F4F0803079F@mail.baikalelectronics.ru/
> > ---
> >  .../bindings/power/reset/syscon-reboot.yaml       | 15 ++++++++++-----
> >  1 file changed, 10 insertions(+), 5 deletions(-)
> > 
> 
> Reviewed-by: Rob Herring <robh@kernel.org>

Great. Thanks!

Sebastian, Rob is ok with the change. Could you take a look at the next patch?

-Sergey
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml b/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
index b80772cb9f06..da2509724812 100644
--- a/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
+++ b/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
@@ -12,9 +12,12 @@  maintainers:
 description: |+
   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 value and mask defined in the reboot node.
-  Default will be little endian mode, 32 bit access only.
+  defined by the SYSCON register map base plus the offset with the value and
+  mask defined in the reboot node. Default will be little endian mode, 32 bit
+  access only. The SYSCON registers map is normally retrieved from the
+  parental dt-node. So the SYSCON reboot node should be represented as a
+  sub-node of a "syscon", "simple-mfd" node. Though the regmap property
+  pointing to the system controller node is also supported.
 
 properties:
   compatible:
@@ -30,7 +33,10 @@  properties:
 
   regmap:
     $ref: /schemas/types.yaml#/definitions/phandle
-    description: Phandle to the register map node.
+    deprecated: true
+    description: |
+      Phandle to the register map node. This property is deprecated in favor of
+      the syscon-reboot node been a child of a system controller node.
 
   value:
     $ref: /schemas/types.yaml#/definitions/uint32
@@ -38,7 +44,6 @@  properties:
 
 required:
   - compatible
-  - regmap
   - offset
 
 additionalProperties: false