[PATCH 1/3] Device tree binding documentation for chromeos-firmware

Martyn Welch
2015-12-01T19:13:13Z

This patch adds documentation for the chromeos-firmware binding.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
---
.../devicetree/bindings/misc/chromeos-firmware.txt | 27 ++++++++++++++++++++++
1 file changed, 27 insertions(+)
create mode 100644 Documentation/devicetree/bindings/misc/chromeos-firmware.txt

diff --git a/Documentation/devicetree/bindings/misc/chromeos-firmware.txt b/Documentation/devicetree/bindings/misc/chromeos-firmware.txt
new file mode 100644
index 0000000..8240611
--- /dev/null
+++ b/Documentation/devicetree/bindings/misc/chromeos-firmware.txt
@@ -0,0 +1,27 @@
+Device-Tree bindings for chromeos-firmware.c.
+
+Required properties:
+ - compatible = "google,gpio-firmware";
+
+Each signal is represented as a sub-node of "chromeos_firmware":
+Subnode properties:
+
+ - gpios: OF device-tree gpio specification.
+
+Example nodes:
+
+ chromeos_firmware {
+ compatible = "google,gpio-firmware";
+
+ write-protect {
+ gpios = <&gpx3 0 GPIO_ACTIVE_LOW>;
+ };
+
+ developer-switch {
+ gpios = <&gpx1 3 GPIO_ACTIVE_HIGH>;
+ };
+
+ recovery-switch {
+ gpios = <&gpx0 7 GPIO_ACTIVE_LOW>;
+ };
+ };
--
2.1.4