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Message-ID: <1384800901-21711-2-git-send-email-tim.kryger@linaro.org>
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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