linux-kernel - [PATCH v1 1/2] dt-binding: hwmon: Add NPCM7xx PWM documentation

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Date:   Tue, 29 May 2018 13:02:20 +0300
From:   Tomer Maimon <tmaimon77@...il.com>
To:     robh+dt@...nel.org, mark.rutland@....com, jdelvare@...e.com,
        linux@...ck-us.net, avifishman70@...il.com, yuenn@...gle.com,
        brendanhiggins@...gle.com, venture@...gle.com, joel@....id.au
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hwmon@...r.kernel.org, openbmc@...ts.ozlabs.org,
        Tomer Maimon <tmaimon77@...il.com>
Subject: [PATCH v1 1/2] dt-binding: hwmon: Add NPCM7xx PWM documentation

Added device tree binding documentation for Nuvoton BMC
NPCM7xx Pulse Width Modulation (PWM) controller.

Signed-off-by: Tomer Maimon <tmaimon77@...il.com>
---
 .../devicetree/bindings/hwmon/npcm7xx-pwm.txt      | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/npcm7xx-pwm.txt

diff --git a/Documentation/devicetree/bindings/hwmon/npcm7xx-pwm.txt b/Documentation/devicetree/bindings/hwmon/npcm7xx-pwm.txt
new file mode 100644
index 000000000000..2d8a7ccdc8cf
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/npcm7xx-pwm.txt
@@ -0,0 +1,25 @@
+Nuvoton NPCM7xx Pulse-width modulation (PWM) controller device driver
+
+The NPCM7xx has two identical PWM controller modules,
+Each module has four PWM controller outputs.
+NPCM7xx PWM controller module 0 outputs PWM0-3 and NPCM7xx PWM controller
+module 1 outputs PWM4-7.
+
+Required properties:
+- compatible	: "nuvoton,npcm750-pwm" for Poleg NPCM7XX.
+- reg		: Offset and length of the registers set for the device.
+- clocks	: phandle of pwm reference clock.
+- pinctrl-names	: a pinctrl state named "default" must be defined.
+- pinctrl-0 	: phandle referencing pin configuration of the PWM ports.
+
+pwm:pwm@...03000 {
+	compatible = "nuvoton,npcm750-pwm";
+	reg = <0xf0103000 0x50
+		0xf0104000 0x50>;
+	clocks = <&clk NPCM7XX_CLK_APB3>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwm0_pins &pwm1_pins
+			&pwm2_pins &pwm3_pins
+			&pwm4_pins &pwm5_pins
+			&pwm6_pins &pwm7_pins>;
+};
-- 
2.14.1