linux-kernel - [PATCH 1/5] Documentation: dt: Add kona-pwm binding

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Date:	Mon, 18 Nov 2013 10:54:57 -0800
From:	"Tim Kryger" <tim.kryger@...aro.org>
To:	"Thierry Reding" <thierry.reding@...il.com>,
	"Rob Herring" <rob.herring@...xeda.com>,
	"Pawel Moll" <pawel.moll@....com>,
	"Mark Rutland" <mark.rutland@....com>,
	"Stephen Warren" <swarren@...dotorg.org>,
	"Ian Campbell" <ijc+devicetree@...lion.org.uk>,
	"Rob Landley" <rob@...dley.net>,
	"Christian Daudt" <bcm@...thebug.org>,
	"Grant Likely" <grant.likely@...aro.org>
cc:	"Tim Kryger" <tim.kryger@...aro.org>,
	"Linux PWM List" <linux-pwm@...r.kernel.org>,
	"Device Tree List" <devicetree@...r.kernel.org>,
	"Linux Doc List" <linux-doc@...r.kernel.org>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	"Broadcom Kernel Feedback List" 
	<bcm-kernel-feedback-list@...adcom.com>,
	"Linux ARM Kernel List" <linux-arm-kernel@...ts.infradead.org>,
	"Linaro Patches List" <patches@...aro.org>
Subject: [PATCH 1/5] Documentation: dt: Add kona-pwm binding

Add the binding description for the kona-pwm block found on Broadcom's
mobile SoCs.

Signed-off-by: Tim Kryger <tim.kryger@...aro.org>
Reviewed-by: Alex Elder <elder@...aro.org>
Reviewed-by: Markus Mayer <markus.mayer@...aro.org>
---
 .../devicetree/bindings/pwm/bcm-kona-pwm.txt       | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt

diff --git a/Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt b/Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt
new file mode 100644
index 0000000..5c3ea1b
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt
@@ -0,0 +1,24 @@
+Broadcom's PWM Controller Device Tree bindings
+
+Broadcom's Kona PWM Controller has 6 channels
+
+Required Properties :
+- compatible: should be "brcm,kona-pwm"
+- reg: physical base address and length of the controller's registers
+- clocks: clock specifier for the kona pwm external clock
+- #pwm-cells: should be 2.  The first cell specifies the per-chip index
+  of the PWM to use and the second cell is the period in nanoseconds.
+
+Refer to pwm/pwm.txt for generic pwm controller node properties.
+
+Refer to clocks/clock-bindings.txt for generic clock consumer
+properties
+
+Example:
+
+pwm: pwm@...1a000 {
+	compatible = "brcm,bcm11351-pwm", "brcm,kona-pwm";
+	reg = <0x3e01a000 0xc4>;
+	clocks = <&pwm_clk>;
+	#pwm-cells = <2>;
+};
-- 
1.8.0.1


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