vendor/device-tree/ianc-b78b6b80

4 files changed, 119 insertions, 0 deletions

diff --git a/Bindings/gpio/cirrus,clps711x-mctrl-gpio.txt b/Bindings/gpio/cirrus,clps711x-mctrl-gpio.txt
new file mode 100644
index 000000000000..94ae9f82dcf8
--- /dev/null
+++ b/Bindings/gpio/cirrus,clps711x-mctrl-gpio.txt
@@ -0,0 +1,17 @@
+* ARM Cirrus Logic CLPS711X SYSFLG1 MCTRL GPIOs
+
+Required properties:
+- compatible: Should contain "cirrus,clps711x-mctrl-gpio".
+- gpio-controller: Marks the device node as a gpio controller.
+- #gpio-cells: Should be two. The first cell is the pin number and
+  the second cell is used to specify the gpio polarity:
+    0 = Active high,
+    1 = Active low.
+
+Example:
+	sysgpio: sysgpio {
+		compatible = "cirrus,ep7312-mctrl-gpio",
+			     "cirrus,clps711x-mctrl-gpio";
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
diff --git a/Bindings/gpio/gpio-zevio.txt b/Bindings/gpio/gpio-zevio.txt
new file mode 100644
index 000000000000..a37bd9ae2730
--- /dev/null
+++ b/Bindings/gpio/gpio-zevio.txt
@@ -0,0 +1,16 @@
+Zevio GPIO controller
+
+Required properties:
+- compatible: Should be "lsi,zevio-gpio"
+- reg: Address and length of the register set for the device
+- #gpio-cells: Should be two. The first cell is the pin number and the
+  second cell is used to specify optional parameters (currently unused).
+- gpio-controller: Marks the device node as a GPIO controller.
+
+Example:
+	gpio: gpio@90000000 {
+		compatible = "lsi,zevio-gpio";
+		reg = <0x90000000 0x1000>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
diff --git a/Bindings/gpio/gpio-zynq.txt b/Bindings/gpio/gpio-zynq.txt
new file mode 100644
index 000000000000..986371a4be2c
--- /dev/null
+++ b/Bindings/gpio/gpio-zynq.txt
@@ -0,0 +1,26 @@
+Xilinx Zynq GPIO controller Device Tree Bindings
+-------------------------------------------
+
+Required properties:
+- #gpio-cells 		: Should be two
+			  - First cell is the GPIO line number
+			  - Second cell is used to specify optional
+			    parameters (unused)
+- compatible		: Should be "xlnx,zynq-gpio-1.0"
+- clocks		: Clock specifier (see clock bindings for details)
+- gpio-controller	: Marks the device node as a GPIO controller.
+- interrupts		: Interrupt specifier (see interrupt bindings for
+			  details)
+- interrupt-parent	: Must be core interrupt controller
+- reg			: Address and length of the register set for the device
+
+Example:
+	gpio@e000a000 {
+		#gpio-cells = <2>;
+		compatible = "xlnx,zynq-gpio-1.0";
+		clocks = <&clkc 42>;
+		gpio-controller;
+		interrupt-parent = <&intc>;
+		interrupts = <0 20 4>;
+		reg = <0xe000a000 0x1000>;
+	};
diff --git a/Bindings/gpio/snps-dwapb-gpio.txt b/Bindings/gpio/snps-dwapb-gpio.txt
new file mode 100644
index 000000000000..dd5d2c0394b1
--- /dev/null
+++ b/Bindings/gpio/snps-dwapb-gpio.txt
@@ -0,0 +1,60 @@
+* Synopsys DesignWare APB GPIO controller
+
+Required properties:
+- compatible : Should contain "snps,dw-apb-gpio"
+- reg : Address and length of the register set for the device.
+- #address-cells : should be 1 (for addressing port subnodes).
+- #size-cells : should be 0 (port subnodes).
+
+The GPIO controller has a configurable number of ports, each of which are
+represented as child nodes with the following properties:
+
+Required properties:
+- compatible : "snps,dw-apb-gpio-port"
+- gpio-controller : Marks the device node as a gpio controller.
+- #gpio-cells : Should be two.  The first cell is the pin number and
+  the second cell is used to specify the gpio polarity:
+      0 = active high
+      1 = active low
+- reg : The integer port index of the port, a single cell.
+
+Optional properties:
+- interrupt-controller : The first port may be configured to be an interrupt
+controller.
+- #interrupt-cells : Specifies the number of cells needed to encode an
+  interrupt.  Shall be set to 2.  The first cell defines the interrupt number,
+  the second encodes the triger flags encoded as described in
+  Documentation/devicetree/bindings/interrupts.txt
+- interrupt-parent : The parent interrupt controller.
+- interrupts : The interrupt to the parent controller raised when GPIOs
+  generate the interrupts.
+- snps,nr-gpios : The number of pins in the port, a single cell.
+
+Example:
+
+gpio: gpio@20000 {
+	compatible = "snps,dw-apb-gpio";
+	reg = <0x20000 0x1000>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	porta: gpio-controller@0 {
+		compatible = "snps,dw-apb-gpio-port";
+		gpio-controller;
+		#gpio-cells = <2>;
+		snps,nr-gpios = <8>;
+		reg = <0>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		interrupt-parent = <&vic1>;
+		interrupts = <0>;
+	};
+
+	portb: gpio-controller@1 {
+		compatible = "snps,dw-apb-gpio-port";
+		gpio-controller;
+		#gpio-cells = <2>;
+		snps,nr-gpios = <8>;
+		reg = <1>;
+	};
+};