diff mbox series

[v2,1/6] dt-bindings: olpc,ap-sp: add clock

Message ID 20181112023029.648408-2-lkundrak@v3.sk (mailing list archive)
State Under Review
Headers show
Series OLPC 1.75 Keyboard/Touchpad fixes | expand

Commit Message

Lubomir Rintel Nov. 12, 2018, 2:30 a.m. UTC 
The clock is necessary for the device operation, hence it's required.
Its name, "sp", stands for "Security Processor". It is one of several
names that are used for the processor that serves as the keyboard
controller on an OLPC and is consistent with the node name.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
---
 Documentation/devicetree/bindings/serio/olpc,ap-sp.txt | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/serio/olpc,ap-sp.txt b/Documentation/devicetree/bindings/serio/olpc,ap-sp.txt
index 0e72183f52bc..36603419d6f8 100644
--- a/Documentation/devicetree/bindings/serio/olpc,ap-sp.txt
+++ b/Documentation/devicetree/bindings/serio/olpc,ap-sp.txt
@@ -4,10 +4,14 @@  Required properties:
 - compatible : "olpc,ap-sp"
 - reg : base address and length of SoC's WTM registers
 - interrupts : SP-AP interrupt
+- clocks : phandle + clock-specifier for the clock that drives the WTM
+- clock-names:  should be "sp"
 
 Example:
 	ap-sp@d4290000 {
 		compatible = "olpc,ap-sp";
 		reg = <0xd4290000 0x1000>;
 		interrupts = <40>;
+		clocks = <&soc_clocks MMP2_CLK_SP>;
+		clock-names = "sp";
 	}