5 files changed, 80 insertions, 14 deletions
diff --git a/dts/Bindings/gpio/gpio-mvebu.txt b/dts/Bindings/gpio/gpio-mvebu.txt
index 01e331a5f3..38ca2201e8 100644
--- a/dts/Bindings/gpio/gpio-mvebu.txt
+++ b/dts/Bindings/gpio/gpio-mvebu.txt
@@ -2,17 +2,27 @@
 
 Required properties:
 
-- compatible : Should be "marvell,orion-gpio", "marvell,mv78200-gpio"
-  or "marvell,armadaxp-gpio". "marvell,orion-gpio" should be used for
-  Orion, Kirkwood, Dove, Discovery (except MV78200) and Armada
-  370. "marvell,mv78200-gpio" should be used for the Discovery
-  MV78200. "marvel,armadaxp-gpio" should be used for all Armada XP
-  SoCs (MV78230, MV78260, MV78460).
+- compatible : Should be "marvell,orion-gpio", "marvell,mv78200-gpio",
+  "marvell,armadaxp-gpio" or "marvell,armada-8k-gpio".
+
+    "marvell,orion-gpio" should be used for Orion, Kirkwood, Dove,
+    Discovery (except MV78200) and Armada 370. "marvell,mv78200-gpio"
+    should be used for the Discovery MV78200.
+
+    "marvel,armadaxp-gpio" should be used for all Armada XP SoCs
+    (MV78230, MV78260, MV78460).
+
+    "marvell,armada-8k-gpio" should be used for the Armada 7K and 8K
+    SoCs (either from AP or CP), see
+    Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt
+    and
+    Documentation/devicetree/bindings/arm/marvell/ap806-system-controller.txt
+    for specific details about the offset property.
 
 - reg: Address and length of the register set for the device. Only one
   entry is expected, except for the "marvell,armadaxp-gpio" variant
   for which two entries are expected: one for the general registers,
-  one for the per-cpu registers.
+  one for the per-cpu registers. Not used for marvell,armada-8k-gpio.
 
 - interrupts: The list of interrupts that are used for all the pins
   managed by this GPIO bank. There can be more than one interrupt
diff --git a/dts/Bindings/gpio/gpio.txt b/dts/Bindings/gpio/gpio.txt
index 84ede036f7..802402f6cc 100644
--- a/dts/Bindings/gpio/gpio.txt
+++ b/dts/Bindings/gpio/gpio.txt
@@ -74,11 +74,14 @@ GPIO pin number, and GPIO flags as accepted by the "qe_pio_e" gpio-controller.
 Optional standard bitfield specifiers for the last cell:
 
 - Bit 0: 0 means active high, 1 means active low
-- Bit 1: 1 means single-ended wiring, see:
+- Bit 1: 0 mean push-pull wiring, see:
+           https://en.wikipedia.org/wiki/Push-pull_output
+         1 means single-ended wiring, see:
            https://en.wikipedia.org/wiki/Single-ended_triode
-	   When used with active-low, this means open drain/collector, see:
+- Bit 2: 0 means open-source, 1 means open drain, see:
            https://en.wikipedia.org/wiki/Open_collector
-	   When used with active-high, this means open source/emitter
+- Bit 3: 0 means the output should be maintained during sleep/low-power mode
+         1 means the output state can be lost during sleep/low-power mode
 
 1.1) GPIO specifier best practices
 ----------------------------------
@@ -282,8 +285,8 @@ Example 1:
 	};
 
 Here, a single GPIO controller has GPIOs 0..9 routed to pin controller
-pinctrl1's pins 20..29, and GPIOs 10..19 routed to pin controller pinctrl2's
-pins 50..59.
+pinctrl1's pins 20..29, and GPIOs 10..29 routed to pin controller pinctrl2's
+pins 50..69.
 
 Example 2:
 
diff --git a/dts/Bindings/gpio/gpio_atmel.txt b/dts/Bindings/gpio/gpio_atmel.txt
index 85f8c0d084..29416f9c32 100644
--- a/dts/Bindings/gpio/gpio_atmel.txt
+++ b/dts/Bindings/gpio/gpio_atmel.txt
@@ -5,9 +5,13 @@ Required properties:
 - reg: Should contain GPIO controller registers location and length
 - interrupts: Should be the port interrupt shared by all the pins.
 - #gpio-cells: Should be two.  The first cell is the pin number and
-  the second cell is used to specify optional parameters (currently
-  unused).
+  the second cell is used to specify optional parameters to declare if the GPIO
+  is active high or low. See gpio.txt.
 - gpio-controller: Marks the device node as a GPIO controller.
+- interrupt-controller: Marks the device node as an interrupt controller.
+- #interrupt-cells: Should be two. The first cell is the pin number and the
+  second cell is used to specify irq type flags, see the two cell description
+  in interrupt-controller/interrupts.txt for details.
 
 optional properties:
 - #gpio-lines: Number of gpio if absent 32.
@@ -21,5 +25,7 @@ Example:
 		#gpio-cells = <2>;
 		gpio-controller;
 		#gpio-lines = <19>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
 	};
 
diff --git a/dts/Bindings/gpio/ingenic,gpio.txt b/dts/Bindings/gpio/ingenic,gpio.txt
new file mode 100644
index 0000000000..7988aeb725
--- /dev/null
+++ b/dts/Bindings/gpio/ingenic,gpio.txt
@@ -0,0 +1,46 @@
+Ingenic jz47xx GPIO controller
+
+That the Ingenic GPIO driver node must be a sub-node of the Ingenic pinctrl
+driver node.
+
+Required properties:
+--------------------
+
+ - compatible: Must contain one of:
+    - "ingenic,jz4740-gpio"
+    - "ingenic,jz4770-gpio"
+    - "ingenic,jz4780-gpio"
+ - reg: The GPIO bank number.
+ - interrupt-controller: Marks the device node as an interrupt controller.
+ - interrupts: Interrupt specifier for the controllers interrupt.
+ - #interrupt-cells: Should be 2. Refer to
+   ../interrupt-controller/interrupts.txt for more details.
+ - 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 specifies GPIO flags, as defined in <dt-bindings/gpio/gpio.h>. Only the
+    GPIO_ACTIVE_HIGH and GPIO_ACTIVE_LOW flags are supported.
+ - gpio-ranges: Range of pins managed by the GPIO controller. Refer to
+   'gpio.txt' in this directory for more details.
+
+Example:
+--------
+
+&pinctrl {
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	gpa: gpio@0 {
+		compatible = "ingenic,jz4740-gpio";
+		reg = <0>;
+
+		gpio-controller;
+		gpio-ranges = <&pinctrl 0 0 32>;
+		#gpio-cells = <2>;
+
+		interrupt-controller;
+		#interrupt-cells = <2>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <28>;
+	};
+};
diff --git a/dts/Bindings/gpio/renesas,gpio-rcar.txt b/dts/Bindings/gpio/renesas,gpio-rcar.txt
index 7c1ab3b325..6826a371fb 100644
--- a/dts/Bindings/gpio/renesas,gpio-rcar.txt
+++ b/dts/Bindings/gpio/renesas,gpio-rcar.txt
@@ -3,6 +3,7 @@
 Required Properties:
 
   - compatible: should contain one of the following.
+    - "renesas,gpio-r8a7743": for R8A7743 (RZ/G1M) compatible GPIO controller.
     - "renesas,gpio-r8a7778": for R8A7778 (R-Mobile M1) compatible GPIO controller.
     - "renesas,gpio-r8a7779": for R8A7779 (R-Car H1) compatible GPIO controller.
     - "renesas,gpio-r8a7790": for R8A7790 (R-Car H2) compatible GPIO controller.