From: "M'boumba Cedric Madianga" <cedric.madianga@gmail.com> To: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Patrice Chotard <patrice.chotard@st.com>, Wolfram Sang <wsa@the-dreams.de>, Rob Herring <robh+dt@kernel.org>, linux@armlinux.org.uk, linux-i2c@vger.kernel.org, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org> Subject: Re: [PATCH v2 3/5] ARM: dts: Add I2C1 support for STM32F429 SoC Date: Fri, 3 Jun 2016 09:57:11 +0200 [thread overview] Message-ID: <CAOAejn13uZq320pGgYY7PENC1VK+Og22S_yRYkcVAP6O87fTrw@mail.gmail.com> (raw) In-Reply-To: <CALszF6D4K1GsFdb0z3Lkb=EJdhzNnZNnAxeyCZGq36+Cnwf+_A@mail.gmail.com> 2016-06-02 18:07 GMT+02:00 Maxime Coquelin <mcoquelin.stm32@gmail.com>: > 2016-06-02 16:26 GMT+02:00 M'boumba Cedric Madianga <cedric.madianga@gmail.com>: >> Signed-off-by: Patrice Chotard <patrice.chotard@st.com> >> Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com> >> --- >> arch/arm/boot/dts/stm32f429.dtsi | 24 ++++++++++++++++++++++++ >> 1 file changed, 24 insertions(+) >> >> diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi >> index 434d4b9..d5857eb 100644 >> --- a/arch/arm/boot/dts/stm32f429.dtsi >> +++ b/arch/arm/boot/dts/stm32f429.dtsi >> @@ -323,6 +323,18 @@ >> slew-rate = <2>; >> }; >> }; >> + >> + i2c1_sda_pin: i2c1_sda@0 { >> + pins { >> + pinmux = <STM32F429_PB9_FUNC_I2C1_SDA>; >> + drive-open-drain; >> + }; >> + }; >> + i2c1_scl_pin: i2c1_scl@0 { >> + pins { >> + pinmux = <STM32F429_PB6_FUNC_I2C1_SCL>; >> + }; >> + }; >> }; > Shouldn't be preferrable to group the two functions in a single one, I agree. It is better. > > usart1_pins_a: usart1@0 { > pins1 { > pinmux = <STM32F429_PA9_FUNC_USART1_TX>; > bias-disable; > drive-push-pull; > slew-rate = <0>; > }; > pins2 { > pinmux = <STM32F429_PA10_FUNC_USART1_RX>; > bias-disable; > }; > }; > > Also, I would prefer the phandle to be suffixed with the port number, > as multiple muxing options are available, for example "i2c1_pins_b". Ok understood. I will fix that in the V3. Thanks > > Thanks, > Maxime
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 v2 3/5] ARM: dts: Add I2C1 support for STM32F429 SoC Date: Fri, 3 Jun 2016 09:57:11 +0200 [thread overview] Message-ID: <CAOAejn13uZq320pGgYY7PENC1VK+Og22S_yRYkcVAP6O87fTrw@mail.gmail.com> (raw) In-Reply-To: <CALszF6D4K1GsFdb0z3Lkb=EJdhzNnZNnAxeyCZGq36+Cnwf+_A@mail.gmail.com> 2016-06-02 18:07 GMT+02:00 Maxime Coquelin <mcoquelin.stm32@gmail.com>: > 2016-06-02 16:26 GMT+02:00 M'boumba Cedric Madianga <cedric.madianga@gmail.com>: >> Signed-off-by: Patrice Chotard <patrice.chotard@st.com> >> Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com> >> --- >> arch/arm/boot/dts/stm32f429.dtsi | 24 ++++++++++++++++++++++++ >> 1 file changed, 24 insertions(+) >> >> diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi >> index 434d4b9..d5857eb 100644 >> --- a/arch/arm/boot/dts/stm32f429.dtsi >> +++ b/arch/arm/boot/dts/stm32f429.dtsi >> @@ -323,6 +323,18 @@ >> slew-rate = <2>; >> }; >> }; >> + >> + i2c1_sda_pin: i2c1_sda at 0 { >> + pins { >> + pinmux = <STM32F429_PB9_FUNC_I2C1_SDA>; >> + drive-open-drain; >> + }; >> + }; >> + i2c1_scl_pin: i2c1_scl at 0 { >> + pins { >> + pinmux = <STM32F429_PB6_FUNC_I2C1_SCL>; >> + }; >> + }; >> }; > Shouldn't be preferrable to group the two functions in a single one, I agree. It is better. > > usart1_pins_a: usart1 at 0 { > pins1 { > pinmux = <STM32F429_PA9_FUNC_USART1_TX>; > bias-disable; > drive-push-pull; > slew-rate = <0>; > }; > pins2 { > pinmux = <STM32F429_PA10_FUNC_USART1_RX>; > bias-disable; > }; > }; > > Also, I would prefer the phandle to be suffixed with the port number, > as multiple muxing options are available, for example "i2c1_pins_b". Ok understood. I will fix that in the V3. Thanks > > Thanks, > Maxime
next prev parent reply other threads:[~2016-06-03 7:57 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-06-02 14:26 [PATCH v2 0/5] Add support for the STM32F4 I2C M'boumba Cedric Madianga 2016-06-02 14:26 ` M'boumba Cedric Madianga 2016-06-02 14:26 ` [PATCH v2 1/5] dt-bindings: Document the STM32 I2C bindings M'boumba Cedric Madianga 2016-06-02 14:26 ` M'boumba Cedric Madianga 2016-06-06 13:21 ` Rob Herring 2016-06-06 13:21 ` Rob Herring 2016-06-02 14:26 ` [PATCH v2 2/5] i2c: Add STM32F4 I2C driver M'boumba Cedric Madianga 2016-06-02 14:26 ` M'boumba Cedric Madianga 2016-06-02 14:26 ` [PATCH v2 3/5] ARM: dts: Add I2C1 support for STM32F429 SoC M'boumba Cedric Madianga 2016-06-02 14:26 ` M'boumba Cedric Madianga 2016-06-02 16:07 ` Maxime Coquelin 2016-06-02 16:07 ` Maxime Coquelin 2016-06-02 16:07 ` Maxime Coquelin 2016-06-03 7:57 ` M'boumba Cedric Madianga [this message] 2016-06-03 7:57 ` M'boumba Cedric Madianga 2016-06-03 7:57 ` M'boumba Cedric Madianga 2016-06-02 14:26 ` [PATCH v2 4/5] ARM: dts: Add I2C1 support for STM32429 eval board M'boumba Cedric Madianga 2016-06-02 14:26 ` M'boumba Cedric Madianga 2016-06-02 14:26 ` [PATCH v2 5/5] ARM: configs: Add I2C support for STM32 defconfig M'boumba Cedric Madianga 2016-06-02 14:26 ` M'boumba Cedric Madianga
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