@@ -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
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(-)