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From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
To: Alexandre Torgue <alexandre.torgue@st.com>
Cc: devicetree@vger.kernel.org, loic.pallardy@st.com,
	linux-kernel@vger.kernel.org, robh+dt@kernel.org,
	mcoquelin.stm32@gmail.com,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/3] ARM: dts: stm32mp157: Add missing pinctrl definitions
Date: Mon, 6 May 2019 15:29:51 +0530	[thread overview]
Message-ID: <20190506095951.GA23734@Mani-XPS-13-9360> (raw)
In-Reply-To: <369b2593-71b6-0b00-b72c-041967ffba73@st.com>

Hi Alex,

On Fri, May 03, 2019 at 09:13:27AM +0200, Alexandre Torgue wrote:
> Hi Mani
> 
> On 5/3/19 7:31 AM, Manivannan Sadhasivam wrote:
> > Add missing pinctrl definitions for STM32MP157 MPU.
> > 
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> > ---
> >   arch/arm/boot/dts/stm32mp157-pinctrl.dtsi | 62 +++++++++++++++++++++++
> >   1 file changed, 62 insertions(+)
> > 
> > diff --git a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
> > index 85c417d9983b..0b5bcf6a7c97 100644
> > --- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
> > +++ b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
> > @@ -241,6 +241,23 @@
> >   				};
> >   			};
> > +			i2c1_pins_b: i2c1-2 {
> > +				pins {
> > +					pinmux = <STM32_PINMUX('F', 14, AF5)>, /* I2C1_SCL */
> > +						 <STM32_PINMUX('F', 15, AF5)>; /* I2C1_SDA */
> > +					bias-disable;
> > +					drive-open-drain;
> > +					slew-rate = <0>;
> > +				};
> > +			};
> > +
> > +			i2c1_pins_sleep_b: i2c1-3 {
> > +				pins {
> > +					pinmux = <STM32_PINMUX('F', 14, ANALOG)>, /* I2C1_SCL */
> > +						 <STM32_PINMUX('F', 15, ANALOG)>; /* I2C1_SDA */
> > +				};
> > +			};
> > +
> >   			i2c2_pins_a: i2c2-0 {
> >   				pins {
> >   					pinmux = <STM32_PINMUX('H', 4, AF4)>, /* I2C2_SCL */
> > @@ -258,6 +275,23 @@
> >   				};
> >   			};
> > +			i2c2_pins_b: i2c2-2 {
> > +				pins {
> > +					pinmux = <STM32_PINMUX('Z', 0, AF3)>, /* I2C2_SCL */
> > +						 <STM32_PINMUX('H', 5, AF4)>; /* I2C2_SDA */
> 
> You can't do that. <STM32_PINMUX('Z', 0, AF3)> has to be declared in
> pincontroller-z. So in your case, you have to define 2 groups for i2C2 for
> your default state (the same for the sleep state).
> 

Ah, yes I failed to note pincontroller z. Will fix it in next revision!

Thanks,
Mani

> regards
> Alex
> 
> 
> 
> 
> > +					bias-disable;
> > +					drive-open-drain;
> > +					slew-rate = <0>;
> > +				};
> > +			};
> > +
> > +			i2c2_pins_sleep_b: i2c2-3 {
> > +				pins {
> > +					pinmux = <STM32_PINMUX('Z', 0, ANALOG)>, /* I2C2_SCL */
> > +						 <STM32_PINMUX('H', 5, ANALOG)>; /* I2C2_SDA */
> > +				};
> > +			};
> > +
> >   			i2c5_pins_a: i2c5-0 {
> >   				pins {
> >   					pinmux = <STM32_PINMUX('A', 11, AF4)>, /* I2C5_SCL */
> > @@ -599,6 +633,34 @@
> >   					bias-disable;
> >   				};
> >   			};
> > +
> > +			uart4_pins_b: uart4-1 {
> > +				pins1 {
> > +					pinmux = <STM32_PINMUX('D', 1, AF8)>; /* UART4_TX */
> > +					bias-disable;
> > +					drive-push-pull;
> > +					slew-rate = <0>;
> > +				};
> > +				pins2 {
> > +					pinmux = <STM32_PINMUX('B', 2, AF8)>; /* UART4_RX */
> > +					bias-disable;
> > +				};
> > +			};
> > +
> > +			uart7_pins_a: uart7-0 {
> > +				pins1 {
> > +					pinmux = <STM32_PINMUX('E', 8, AF7)>; /* UART4_TX */
> > +					bias-disable;
> > +					drive-push-pull;
> > +					slew-rate = <0>;
> > +				};
> > +				pins2 {
> > +					pinmux = <STM32_PINMUX('E', 7, AF7)>, /* UART4_RX */
> > +						 <STM32_PINMUX('E', 10, AF7)>, /* UART4_CTS */
> > +						 <STM32_PINMUX('E', 9, AF7)>; /* UART4_RTS */
> > +					bias-disable;
> > +				};
> > +			};
> >   		};
> >   		pinctrl_z: pin-controller-z@54004000 {
> > 

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  reply	other threads:[~2019-05-06 10:00 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-03  5:31 [PATCH 0/3] Add Avenger96 board support Manivannan Sadhasivam
2019-05-03  5:31 ` [PATCH 1/3] dt-bindings: arm: stm32: Document Avenger96 devicetree binding Manivannan Sadhasivam
2019-05-03  5:31 ` [PATCH 2/3] ARM: dts: stm32mp157: Add missing pinctrl definitions Manivannan Sadhasivam
2019-05-03  7:13   ` Alexandre Torgue
2019-05-06  9:59     ` Manivannan Sadhasivam [this message]
2019-05-03  5:31 ` [PATCH 3/3] ARM: dts: Add Avenger96 devicetree support based on STM32MP157A Manivannan Sadhasivam
2019-05-03  9:01   ` Alexandre Torgue
2019-05-06 10:00     ` Manivannan Sadhasivam

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