Convert the MFD part of Samsung S5M8767 PMIC to DT schema format.
Previously the bindings were mostly in mfd/samsung,sec-core.txt.

Since all of bindings for Samsung S2M and S5M family of PMICs were
converted from mfd/samsung,sec-core.txt to respective dtschema file,
remove the former one.

Signed-off-by: Krzysztof Kozlowski <redacted>
---
 .../bindings/mfd/samsung,s5m8767.yaml         | 269 ++++++++++++++++++
 .../bindings/mfd/samsung,sec-core.txt         |  86 ------
 MAINTAINERS                                   |   2 +-
 3 files changed, 270 insertions(+), 87 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/mfd/samsung,s5m8767.yaml
 delete mode 100644 Documentation/devicetree/bindings/mfd/samsung,sec-core.txt

diff --git a/Documentation/devicetree/bindings/mfd/samsung,s5m8767.yaml b/Documentation/devicetree/bindings/mfd/samsung,s5m8767.yaml
new file mode 100644
index 000000000000..b2529a48c890
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/samsung,s5m8767.yaml

@@ -0,0 +1,269 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/samsung,s5m8767.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung S5M8767 Power Management IC
+
+maintainers:
+  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
+
+description: |
+  This is a part of device tree bindings for S2M and S5M family of Power
+  Management IC (PMIC).
+
+  The Samsung S5M8767 is a Power Management IC which includes voltage
+  and current regulators, RTC, clock outputs and other sub-blocks.
+
+properties:
+  compatible:
+    const: samsung,s5m8767-pmic
+
+  clocks:
+    $ref: ../clock/samsung,s2mps11.yaml
+    description:
+      Child node describing clock provider.
+
+  interrupts:
+    maxItems: 1
+
+  reg:
+    maxItems: 1
+
+  regulators:
+    $ref: ../regulator/samsung,s5m8767.yaml
+    description:
+      List of child nodes that specify the regulators.
+
+  s5m8767,pmic-buck2-dvs-voltage:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 8
+    maxItems: 8
+    description: |
+      A set of 8 voltage values in micro-volt (uV) units for buck2 when
+      changing voltage using gpio dvs.
+
+  s5m8767,pmic-buck3-dvs-voltage:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 8
+    maxItems: 8
+    description: |
+      A set of 8 voltage values in micro-volt (uV) units for buck3 when
+      changing voltage using gpio dvs.
+
+  s5m8767,pmic-buck4-dvs-voltage:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 8
+    maxItems: 8
+    description: |
+      A set of 8 voltage values in micro-volt (uV) units for buck4 when
+      changing voltage using gpio dvs.
+
+  s5m8767,pmic-buck-ds-gpios:
+    minItems: 3
+    maxItems: 3
+    description: |
+      GPIO specifiers for three host gpio's used for selecting GPIO DVS lines.
+      It is one-to-one mapped to dvs gpio lines.
+
+  s5m8767,pmic-buck2-uses-gpio-dvs:
+    type: boolean
+    description: buck2 can be controlled by gpio dvs.
+
+  s5m8767,pmic-buck3-uses-gpio-dvs:
+    type: boolean
+    description: buck3 can be controlled by gpio dvs.
+
+  s5m8767,pmic-buck4-uses-gpio-dvs:
+    type: boolean
+    description: buck4 can be controlled by gpio dvs.
+
+  s5m8767,pmic-buck-default-dvs-idx:
+    $ref: /schemas/types.yaml#/definitions/uint32-array