From: "M'boumba Cedric Madianga" <cedric.madianga@gmail.com> To: mcoquelin.stm32@gmail.com, patrice.chotard@st.com, wsa@the-dreams.de, robh+dt@kernel.org, linux@arm.linux.org.uk, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org Cc: "M'boumba Cedric Madianga" <cedric.madianga@gmail.com> Subject: [PATCH 1/5] dt-bindings: Document the STM32 I2C bindings Date: Wed, 11 May 2016 17:36:10 +0200 [thread overview] Message-ID: <1462980974-22091-2-git-send-email-cedric.madianga@gmail.com> (raw) In-Reply-To: <1462980974-22091-1-git-send-email-cedric.madianga@gmail.com> This patch adds documentation of device tree bindings for the STM32 I2C controller. Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com> --- .../devicetree/bindings/i2c/i2c-stm32.txt | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-stm32.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-stm32.txt b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt new file mode 100644 index 0000000..73215c6 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt @@ -0,0 +1,33 @@ +* I2C controller embedded in STMicroelectronics STM32 I2C platform + +Required properties : +- compatible : Must be "st,i2c-stm32f4" +- reg : Offset and length of the register set for the device +- interrupts : Must contain the interrupt id for I2C event and then the + interrupt id for I2C error. +- resets: Must contain the phandle to the reset controller. +- clocks: Must contain the input clock of the I2C instance. +- A pinctrl state named "default" must be defined to set pins in mode of + operation for I2C transfer +- #address-cells = <1>; +- #size-cells = <0>; + +Optional properties : +- clock-frequency : Desired I2C bus clock frequency in Hz. If not specified, + the default 100 kHz frequency will be used. As only Normal and Fast modes + are supported, possible values are 100000 and 400000. + +Example : + + i2c@40005400 { + compatible = "st,i2c-stm32f4"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x40005400 0x400>; + interrupts = <31>, + <32>; + resets = <&rcc 277>; + clocks = <&rcc 0 149>; + pinctrl-0 = <&i2c1_sda_pin>, <&i2c1_scl_pin>; + pinctrl-names = "default"; + }; -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: cedric.madianga@gmail.com (M'boumba Cedric Madianga) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/5] dt-bindings: Document the STM32 I2C bindings Date: Wed, 11 May 2016 17:36:10 +0200 [thread overview] Message-ID: <1462980974-22091-2-git-send-email-cedric.madianga@gmail.com> (raw) In-Reply-To: <1462980974-22091-1-git-send-email-cedric.madianga@gmail.com> This patch adds documentation of device tree bindings for the STM32 I2C controller. Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com> --- .../devicetree/bindings/i2c/i2c-stm32.txt | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/i2c-stm32.txt diff --git a/Documentation/devicetree/bindings/i2c/i2c-stm32.txt b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt new file mode 100644 index 0000000..73215c6 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt @@ -0,0 +1,33 @@ +* I2C controller embedded in STMicroelectronics STM32 I2C platform + +Required properties : +- compatible : Must be "st,i2c-stm32f4" +- reg : Offset and length of the register set for the device +- interrupts : Must contain the interrupt id for I2C event and then the + interrupt id for I2C error. +- resets: Must contain the phandle to the reset controller. +- clocks: Must contain the input clock of the I2C instance. +- A pinctrl state named "default" must be defined to set pins in mode of + operation for I2C transfer +- #address-cells = <1>; +- #size-cells = <0>; + +Optional properties : +- clock-frequency : Desired I2C bus clock frequency in Hz. If not specified, + the default 100 kHz frequency will be used. As only Normal and Fast modes + are supported, possible values are 100000 and 400000. + +Example : + + i2c at 40005400 { + compatible = "st,i2c-stm32f4"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x40005400 0x400>; + interrupts = <31>, + <32>; + resets = <&rcc 277>; + clocks = <&rcc 0 149>; + pinctrl-0 = <&i2c1_sda_pin>, <&i2c1_scl_pin>; + pinctrl-names = "default"; + }; -- 1.9.1
next prev parent reply other threads:[~2016-05-11 15:37 UTC|newest] Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-05-11 15:36 [PATCH 0/5] Add support for the STM32F4 I2C M'boumba Cedric Madianga 2016-05-11 15:36 ` M'boumba Cedric Madianga 2016-05-11 15:36 ` M'boumba Cedric Madianga [this message] 2016-05-11 15:36 ` [PATCH 1/5] dt-bindings: Document the STM32 I2C bindings M'boumba Cedric Madianga 2016-05-16 15:04 ` Rob Herring 2016-05-16 15:04 ` Rob Herring 2016-05-16 15:04 ` Rob Herring 2016-05-17 7:21 ` M'boumba Cedric Madianga 2016-05-17 7:21 ` M'boumba Cedric Madianga 2016-05-11 15:36 ` [PATCH 2/5] i2c: Add STM32F4 I2C driver M'boumba Cedric Madianga 2016-05-11 15:36 ` M'boumba Cedric Madianga 2016-05-17 9:48 ` Maxime Coquelin 2016-05-17 9:48 ` Maxime Coquelin 2016-05-17 9:48 ` Maxime Coquelin 2016-05-18 7:24 ` M'boumba Cedric Madianga 2016-05-18 7:24 ` M'boumba Cedric Madianga 2016-05-18 7:24 ` M'boumba Cedric Madianga 2016-06-01 14:01 ` M'boumba Cedric Madianga 2016-06-01 14:01 ` M'boumba Cedric Madianga 2016-06-01 14:01 ` M'boumba Cedric Madianga 2016-06-01 14:14 ` Maxime Coquelin 2016-06-01 14:14 ` Maxime Coquelin 2016-06-01 14:14 ` Maxime Coquelin 2016-06-02 15:35 ` M'boumba Cedric Madianga 2016-06-02 15:35 ` M'boumba Cedric Madianga 2016-06-02 15:35 ` M'boumba Cedric Madianga 2016-06-02 16:02 ` Maxime Coquelin 2016-06-02 16:02 ` Maxime Coquelin 2016-06-02 16:02 ` Maxime Coquelin 2016-06-03 7:44 ` M'boumba Cedric Madianga 2016-06-03 7:44 ` M'boumba Cedric Madianga 2016-06-03 7:44 ` M'boumba Cedric Madianga 2016-05-11 15:36 ` [PATCH 3/5] ARM: dts: Add I2C1 support for STM32F429 SoC M'boumba Cedric Madianga 2016-05-11 15:36 ` M'boumba Cedric Madianga 2016-05-11 15:36 ` [PATCH 4/5] ARM: dts: Add I2C1 support for STM32429 eval board M'boumba Cedric Madianga 2016-05-11 15:36 ` M'boumba Cedric Madianga 2016-05-11 15:36 ` [PATCH 5/5] ARM: configs: Add I2C support for STM32 defconfig M'boumba Cedric Madianga 2016-05-11 15:36 ` M'boumba Cedric Madianga
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