linux-kernel - [PATCH v4 1/7] MFD: add bindings for STM32 General Purpose Timer driver

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Message-Id: <1481027929-13704-2-git-send-email-benjamin.gaignard@st.com>
Date:   Tue,  6 Dec 2016 13:38:43 +0100
From:   Benjamin Gaignard <benjamin.gaignard@...aro.org>
To:     lee.jones@...aro.org, robh+dt@...nel.org, mark.rutland@....com,
        alexandre.torgue@...com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, thierry.reding@...il.com,
        linux-pwm@...r.kernel.org, jic23@...nel.org, knaack.h@....de,
        lars@...afoo.de, pmeerw@...erw.net, linux-iio@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     fabrice.gasnier@...com, gerald.baeza@...com,
        arnaud.pouliquen@...com, linus.walleij@...aro.org,
        linaro-kernel@...ts.linaro.org, benjamin.gaignard@...aro.org,
        Benjamin Gaignard <benjamin.gaignard@...com>
Subject: [PATCH v4 1/7] MFD: add bindings for STM32 General Purpose Timer driver

Add bindings information for STM32 General Purpose Timer

version 2:
- rename stm32-mfd-timer to stm32-gptimer
- only keep one compatible string

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
---
 .../bindings/mfd/stm32-general-purpose-timer.txt   | 39 ++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt

diff --git a/Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt b/Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt
new file mode 100644
index 0000000..e92c8be
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/stm32-general-purpose-timer.txt
@@ -0,0 +1,39 @@
+STM32 General Purpose Timer driver bindings
+
+Required parameters:
+- compatible: must be "st,stm32-gptimer"
+
+- reg:			Physical base address and length of the controller's
+			registers.
+- clock-names: 		Set to "clk_int".
+- clocks: 		Phandle to the clock used by the timer module.
+			For Clk properties, please refer to ../clock/clock-bindings.txt
+
+Optional parameters:
+- resets:		Phandle to the parent reset controller.
+			See ../reset/st,stm32-rcc.txt
+
+Optional subnodes:
+- pwm:			See ../pwm/pwm-stm32.txt
+- timer:		See ../iio/timer/stm32-timer-trigger.txt
+
+Example:
+	gptimer@...10000 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "st,stm32-gptimer";
+		reg = <0x40010000 0x400>;
+		clocks = <&rcc 0 160>;
+		clock-names = "clk_int";
+
+		pwm@0 {
+			compatible = "st,stm32-pwm";
+			pinctrl-0	= <&pwm1_pins>;
+			pinctrl-names	= "default";
+		};
+
+		timer@0 {
+			compatible = "st,stm32-timer-trigger";
+			reg = <0>;
+		};
+	};
-- 
1.9.1