[PATCH v4 0/4] regulator: Add support for Allwinner D1 system LDOs

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This series adds the binding and driver for one of the two pairs of LDOs
inside the Allwinner D1 SoC. I am splitting up the series to unblock
merging the SoC devicetree; the analog LDOs are not required to boot.

A binding and driver change is required for the SRAM controller, to
accept the regulators device as its child node.

The example for the regulator device binding is in SRAM controller
binding document, per Rob's request to keep MFD examples in one place.

Changes in v4:
 - Fix the order of the maintainer/description sections
 - Replace unevaluatedProperties with "additionalProperties: false"
 - Drop the analog LDOs until the codec binding is ready
 - Drop the analog LDOs until the codec binding is ready
 - Remove unevaluatedProperties from regulators schema reference
 - Check the compatible string instead of the node name

Changes in v3:
 - Add "reg" property to bindings
 - Add "unevaluatedProperties: true" to regulator nodes
 - Minor changes to regulator node name patterns
 - Remove system-ldos example (now added in the parent binding)
 - Adjust control flow in sun20i_regulator_get_regmap() for clarity
 - Require the regulators node to have a unit address
 - Reference the regulator schema from the SRAM controller schema
 - Move the system LDOs example to the SRAM controller schema
 - Reorder the patches so the example passes validation

Changes in v2:
 - Remove syscon property from bindings
 - Update binding examples to fix warnings and provide context
 - Use decimal numbers for .n_voltages instead of field widths
 - Get the regmap from the parent device instead of a property/phandle

Samuel Holland (4):
  regulator: dt-bindings: Add Allwinner D1 system LDOs
  regulator: sun20i: Add Allwinner D1 LDOs driver
  dt-bindings: sram: sunxi-sram: Add regulators child
  soc: sunxi: sram: Only iterate over SRAM children

 .../allwinner,sun20i-d1-system-ldos.yaml      |  37 +++++
 .../allwinner,sun4i-a10-system-control.yaml   |  28 ++++
 drivers/regulator/Kconfig                     |   8 +
 drivers/regulator/Makefile                    |   1 +
 drivers/regulator/sun20i-regulator.c          | 150 ++++++++++++++++++
 drivers/soc/sunxi/sunxi_sram.c                |   3 +
 6 files changed, 227 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/allwinner,sun20i-d1-system-ldos.yaml
 create mode 100644 drivers/regulator/sun20i-regulator.c

-- 
2.37.4




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