Convert Unisoc GPIO bindings to yaml and add support for UMS512

deleted file mode 100644
index eca97d45388f..000000000000
@@ -1,28 +0,0 @@
-Spreadtrum GPIO controller bindings
-
-The controller's registers are organized as sets of sixteen 16-bit
-registers with each set controlling a bank of up to 16 pins. A single
-interrupt is shared for all of the banks handled by the controller.
-
-Required properties:
-- compatible: Should be "sprd,sc9860-gpio".
-- reg: Define the base and range of the I/O address space containing
-the GPIO controller registers.
-- gpio-controller: Marks the device node as a GPIO controller.
-- #gpio-cells: Should be <2>. The first cell is the gpio number and
-the second cell is used to specify optional parameters.
-- interrupt-controller: Marks the device node as an interrupt controller.
-- #interrupt-cells: Should be <2>. Specifies the number of cells needed
-to encode interrupt source.
-- interrupts: Should be the port interrupt shared by all the gpios.
-
-Example:
-	ap_gpio: gpio@40280000 {
-		compatible = "sprd,sc9860-gpio";
-		reg = <0 0x40280000 0 0x1000>;
-		gpio-controller;
-		#gpio-cells = <2>;
-		interrupt-controller;
-		#interrupt-cells = <2>;
-		interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
-	};

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deleted file mode 100644
index 54040a2bfe3a..000000000000
@@ -1,97 +0,0 @@
-Spreadtrum EIC controller bindings
-
-The EIC is the abbreviation of external interrupt controller, which can
-be used only in input mode. The Spreadtrum platform has 2 EIC controllers,
-one is in digital chip, and another one is in PMIC. The digital chip EIC
-controller contains 4 sub-modules: EIC-debounce, EIC-latch, EIC-async and
-EIC-sync. But the PMIC EIC controller contains only one EIC-debounce sub-
-module.
-
-The EIC-debounce sub-module provides up to 8 source input signal
-connections. A debounce mechanism is used to capture the input signals'
-stable status (millisecond resolution) and a single-trigger mechanism
-is introduced into this sub-module to enhance the input event detection
-reliability. In addition, this sub-module's clock can be shut off
-automatically to reduce power dissipation. Moreover the debounce range
-is from 1ms to 4s with a step size of 1ms. The input signal will be
-ignored if it is asserted for less than 1 ms.
-
-The EIC-latch sub-module is used to latch some special power down signals
-and generate interrupts, since the EIC-latch does not depend on the APB
-clock to capture signals.
-
-The EIC-async sub-module uses a 32kHz clock to capture the short signals
-(microsecond resolution) to generate interrupts by level or edge trigger.
-
-The EIC-sync is similar with GPIO's input function, which is a synchronized
-signal input register. It can generate interrupts by level or edge trigger
-when detecting input signals.
-
-Required properties:
-- compatible: Should be one of the following:
-  "sprd,sc9860-eic-debounce",
-  "sprd,sc9860-eic-latch",
-  "sprd,sc9860-eic-async",
-  "sprd,sc9860-eic-sync",
-  "sprd,sc2731-eic".
-- reg: Define the base and range of the I/O address space containing
-  the GPIO controller registers.
-- gpio-controller: Marks the device node as a GPIO controller.
-- #gpio-cells: Should be <2>. The first cell is the gpio number and
-  the second cell is used to specify optional parameters.
-- interrupt-controller: Marks the device node as an interrupt controller.
-- #interrupt-cells: Should be <2>. Specifies the number of cells needed
-  to encode interrupt source.
-- interrupts: Should be the port interrupt shared by all the gpios.
-
-Example:
-	eic_debounce: gpio@40210000 {
-		compatible = "sprd,sc9860-eic-debounce";
-		reg = <0 0x40210000 0 0x80>;
-		gpio-controller;
-		#gpio-cells = <2>;
-		interrupt-controller;
-		#interrupt-cells = <2>;
-		interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
-	};
-
-	eic_latch: gpio@40210080 {
-		compatible = "sprd,sc9860-eic-latch";
-		reg = <0 0x40210080 0 0x20>;
-		gpio-controller;
-		#gpio-cells = <2>;
-		interrupt-controller;
-		#interrupt-cells = <2>;
-		interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
-	};
-
-	eic_async: gpio@402100a0 {
-		compatible = "sprd,sc9860-eic-async";
-		reg = <0 0x402100a0 0 0x20>;
-		gpio-controller;
-		#gpio-cells = <2>;
-		interrupt-controller;
-		#interrupt-cells = <2>;
-		interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
-	};
-
-	eic_sync: gpio@402100c0 {
-		compatible = "sprd,sc9860-eic-sync";
-		reg = <0 0x402100c0 0 0x20>;
-		gpio-controller;
-		#gpio-cells = <2>;
-		interrupt-controller;
-		#interrupt-cells = <2>;
-		interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
-	};
-
-	pmic_eic: gpio@300 {
-		compatible = "sprd,sc2731-eic";
-		reg = <0x300>;
-		interrupt-parent = <&sc2731_pmic>;
-		interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
-		gpio-controller;
-		#gpio-cells = <2>;
-		interrupt-controller;
-		#interrupt-cells = <2>;
-	};

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index a21350bd0f2c..99fcf970773a 100644
@@ -42,12 +42,33 @@ description: |
 
 properties:
   compatible:
-    enum:
-      - sprd,sc9860-eic-debounce
-      - sprd,sc9860-eic-latch
-      - sprd,sc9860-eic-async
-      - sprd,sc9860-eic-sync
-      - sprd,sc2731-eic
+    oneOf:
+      - enum:
+          - sprd,sc9860-eic-debounce
+          - sprd,sc9860-eic-latch
+          - sprd,sc9860-eic-async
+          - sprd,sc9860-eic-sync
+          - sprd,sc2731-eic
+      - items:
+          - enum:
+              - sprd,ums512-eic-debounce
+          - const: sprd,sc9860-eic-debounce
+      - items:
+          - enum:
+              - sprd,ums512-eic-latch
+          - const: sprd,sc9860-eic-latch
+      - items:
+          - enum:
+              - sprd,ums512-eic-async
+          - const: sprd,sc9860-eic-async
+      - items:
+          - enum:
+              - sprd,ums512-eic-sync
+          - const: sprd,sc9860-eic-sync
+      - items:
+          - enum:
+              - sprd,sc2730-eic
+          - const: sprd,sc2731-eic
 
   reg:
     minItems: 1

index 40924123d184..483168838128 100644
@@ -19,7 +19,12 @@ description: |
 
 properties:
   compatible:
-    const: sprd,sc9860-gpio
+    oneOf:
+      - const: sprd,sc9860-gpio
+      - items:
+          - enum:
+              - sprd,ums512-gpio
+          - const: sprd,sc9860-gpio
 
   reg:
     maxItems: 1