Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1553501

[PATCH v2 1/3] dt-bindings: gpio: Add binding documentation for gpio-thunderx

Show all headers | View raw

From: David Daney <david.daney@cavium.com>

Signed-off-by: David Daney <david.daney@cavium.com>
---
 .../devicetree/bindings/gpio/gpio-thunderx.txt     | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/gpio-thunderx.txt

diff --git a/Documentation/devicetree/bindings/gpio/gpio-thunderx.txt b/Documentation/devicetree/bindings/gpio/gpio-thunderx.txt
new file mode 100644
index 0000000..3f883ae
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/gpio-thunderx.txt
@@ -0,0 +1,27 @@
+Cavium ThunderX/OCTEON-TX GPIO controller bindings
+
+Required Properties:
+- reg: The controller bus address.
+- gpio-controller: Marks the device node as a GPIO controller.
+- #gpio-cells: Must be 2.
+  - First cell is the GPIO pin number relative to the controller.
+  - Second cell is a standard generic flag bitfield as described in gpio.txt.
+
+Optional Properties:
+- compatible: "cavium,thunder-8890-gpio", unused as PCI driver binding is used.
+- interrupt-controller: Marks the device node as an interrupt controller.
+- #interrupt-cells: Must be present and have value of 2 if
+                    "interrupt-controller" is present.
+  - First cell is the GPIO pin number relative to the controller.
+  - Second cell is triggering flags as defined in interrupts.txt.
+
+Example:
+
+gpio_6_0: gpio@6,0 {
+	compatible = "cavium,thunder-8890-gpio";
+	reg = <0x3000 0 0 0 0>; /*  DEVFN = 0x30 (6:0) */
+	gpio-controller;
+	#gpio-cells = <2>;
+	interrupt-controller;
+	#interrupt-cells = <2>;
+};
-- 
1.8.3.1

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH v2 0/3] GPIO: Add driver for ThunderX and OCTEON-TX SoCs David Daney <ddaney.cavm@gmail.com> - 2017-01-07 00:30 +0100
  [PATCH v2 3/3] MAINTAINERS: Add entry for THUNDERX GPIO Driver. David Daney <ddaney.cavm@gmail.com> - 2017-01-07 00:30 +0100
  [PATCH v2 1/3] dt-bindings: gpio: Add binding documentation for gpio-thunderx David Daney <ddaney.cavm@gmail.com> - 2017-01-07 00:30 +0100
    Re: [PATCH v2 1/3] dt-bindings: gpio: Add binding documentation for gpio-thunderx Linus Walleij <linus.walleij@linaro.org> - 2017-01-09 20:40 +0100
      Re: [PATCH v2 1/3] dt-bindings: gpio: Add binding documentation for gpio-thunderx Linus Walleij <linus.walleij@linaro.org> - 2017-01-10 09:50 +0100
    Re: [PATCH v2 1/3] dt-bindings: gpio: Add binding documentation for  gpio-thunderx Rob Herring <robh@kernel.org> - 2017-01-10 06:40 +0100

csiph-web