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authorLucas Stach <l.stach@pengutronix.de>2017-07-31 20:03:05 +0200
committerLucas Stach <l.stach@pengutronix.de>2017-07-31 20:03:05 +0200
commitd14b844b08635c717fb52a294ed8d6872e260315 (patch)
tree18607dcdd29688b2fa9528f79423183a68e9898d /dts/Bindings/fsi
parent858b797e529e26c19bfa893fdb37ed67ff7a6006 (diff)
downloadbarebox-d14b844b08635c717fb52a294ed8d6872e260315.tar.gz
barebox-d14b844b08635c717fb52a294ed8d6872e260315.tar.xz
dts: update to v4.13-rc2
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Diffstat (limited to 'dts/Bindings/fsi')
-rw-r--r--dts/Bindings/fsi/fsi-master-gpio.txt24
1 files changed, 24 insertions, 0 deletions
diff --git a/dts/Bindings/fsi/fsi-master-gpio.txt b/dts/Bindings/fsi/fsi-master-gpio.txt
new file mode 100644
index 0000000000..a767259ded
--- /dev/null
+++ b/dts/Bindings/fsi/fsi-master-gpio.txt
@@ -0,0 +1,24 @@
+Device-tree bindings for gpio-based FSI master driver
+-----------------------------------------------------
+
+Required properties:
+ - compatible = "fsi-master-gpio";
+ - clock-gpios = <gpio-descriptor>; : GPIO for FSI clock
+ - data-gpios = <gpio-descriptor>; : GPIO for FSI data signal
+
+Optional properties:
+ - enable-gpios = <gpio-descriptor>; : GPIO for enable signal
+ - trans-gpios = <gpio-descriptor>; : GPIO for voltage translator enable
+ - mux-gpios = <gpio-descriptor>; : GPIO for pin multiplexing with other
+ functions (eg, external FSI masters)
+
+Examples:
+
+ fsi-master {
+ compatible = "fsi-master-gpio", "fsi-master";
+ clock-gpios = <&gpio 0>;
+ data-gpios = <&gpio 1>;
+ enable-gpios = <&gpio 2>;
+ trans-gpios = <&gpio 3>;
+ mux-gpios = <&gpio 4>;
+ }