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Message-ID: <7139fb21-6a1d-a26f-fef3-d3154d234ca2@foss.st.com>
Date:   Thu, 8 Jun 2023 14:42:43 +0200
From:   Alexandre TORGUE <alexandre.torgue@...s.st.com>
To:     Dario Binacchi <dario.binacchi@...rulasolutions.com>,
        <linux-kernel@...r.kernel.org>
CC:     Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <dri-devel@...ts.freedesktop.org>,
        Philippe Cornu <philippe.cornu@...s.st.com>,
        Amarula patchwork <linux-amarula@...rulasolutions.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        <michael@...rulasolutions.com>,
        <linux-stm32@...md-mailman.stormreply.com>,
        Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, <devicetree@...r.kernel.org>
Subject: Re: [RESEND PATCH v2 2/6] ARM: dts: stm32: add pin map for LTDC on
 stm32f7

Hi Dario

On 6/7/23 08:31, Dario Binacchi wrote:
> Add pin configurations for using LTDC (LCD-tft Display Controller) on
> stm32f746-disco board.
> 
> Signed-off-by: Dario Binacchi <dario.binacchi@...rulasolutions.com>
> ---
> 
> (no changes since v1)
> 
>   arch/arm/boot/dts/stm32f7-pinctrl.dtsi | 35 ++++++++++++++++++++++++++
>   1 file changed, 35 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi b/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
> index 9f65403295ca..f3f90b9bcd61 100644
> --- a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
> +++ b/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
> @@ -365,6 +365,41 @@ pins2 {
>   					bias-pull-up;
>   				};
>   			};
> +
> +
> +			ltdc_pins_a: ltdc-pins-a-0 {

  ltdc-pins-a-0 -->  ltdc-pins-0 is a bit cleaner. I know that I have to 
fix sdio pins nodes in this file to keep the same spirit for all group 
names.

If there is no V3 I wil do it directly when I'll apply DT patches if you 
agree.

Alex


> +				pins {
> +					pinmux = <STM32_PINMUX('E', 4, AF14)>, /* LCD_B0 */
> +						 <STM32_PINMUX('G',12, AF9)>,  /* LCD_B4 */
> +						 <STM32_PINMUX('I', 9, AF14)>, /* LCD_VSYNC */
> +						 <STM32_PINMUX('I',10, AF14)>, /* LCD_HSYNC */
> +						 <STM32_PINMUX('I',14, AF14)>, /* LCD_CLK */
> +						 <STM32_PINMUX('I',15, AF14)>, /* LCD_R0 */
> +						 <STM32_PINMUX('J', 0, AF14)>, /* LCD_R1 */
> +						 <STM32_PINMUX('J', 1, AF14)>, /* LCD_R2 */
> +						 <STM32_PINMUX('J', 2, AF14)>, /* LCD_R3 */
> +						 <STM32_PINMUX('J', 3, AF14)>, /* LCD_R4 */
> +						 <STM32_PINMUX('J', 4, AF14)>, /* LCD_R5 */
> +						 <STM32_PINMUX('J', 5, AF14)>, /* LCD_R6 */
> +						 <STM32_PINMUX('J', 6, AF14)>, /* LCD_R7 */
> +						 <STM32_PINMUX('J', 7, AF14)>, /* LCD_G0 */
> +						 <STM32_PINMUX('J', 8, AF14)>, /* LCD_G1 */
> +						 <STM32_PINMUX('J', 9, AF14)>, /* LCD_G2 */
> +						 <STM32_PINMUX('J',10, AF14)>, /* LCD_G3 */
> +						 <STM32_PINMUX('J',11, AF14)>, /* LCD_G4 */
> +						 <STM32_PINMUX('J',13, AF14)>, /* LCD_B1 */
> +						 <STM32_PINMUX('J',14, AF14)>, /* LCD_B2 */
> +						 <STM32_PINMUX('J',15, AF14)>, /* LCD_B3 */
> +						 <STM32_PINMUX('K', 0, AF14)>, /* LCD_G5 */
> +						 <STM32_PINMUX('K', 1, AF14)>, /* LCD_G6 */
> +						 <STM32_PINMUX('K', 2, AF14)>, /* LCD_G7 */
> +						 <STM32_PINMUX('K', 4, AF14)>, /* LCD_B5 */
> +						 <STM32_PINMUX('K', 5, AF14)>, /* LCD_B6 */
> +						 <STM32_PINMUX('K', 6, AF14)>, /* LCD_B7 */
> +						 <STM32_PINMUX('K', 7, AF14)>; /* LCD_DE */
> +					slew-rate = <2>;
> +				};
> +			};
>   		};
>   	};
>   };

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