[PATCH 1/2] Documentation: dt: add Broadcom BCM7038 PWM controller binding
From: Florian Fainelli <f.fainelli@gmail.com>
Date: 2015-08-07 00:58:35
Also in:
linux-pwm, lkml
Subsystem:
open firmware and flattened device tree bindings, pwm subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Uwe Kleine-König, Linus Torvalds
Add a binding documentation for the Broadcom BCM7038 PWM controller found in BCM7xxx chips. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> --- .../devicetree/bindings/pwm/brcm,bcm7038-pwm.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt
diff --git a/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt b/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt
new file mode 100644
index 000000000000..8b9bc43b561e
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt@@ -0,0 +1,22 @@ +Broadcom BCM7038 PWM controller (BCM7xxx Set Top Box PWM controller) + +Required properties: + +- compatible: must be "brcm,bcm7038-pwm" +- reg: physical base address and length for this controller +- #pwm-cells: should be 2. See pwm.txt in this directory for a description + of the cells format. + +Optional properties: + +- clocks: a phandle to the reference clock for this block which is fed through + its internal variable clock frequency generator + +Example: + + pwm: pwm@f0408000 { + compatible = "brcm,bcm7038-pwm"; + reg = <0xf0408000 0x28>; + #pwm-cells = <2>; + clocks = <&upg_fixed>; + };
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2.1.0