Re: [RESEND PATCH v2 2/6] ARM: dts: stm32: add pin map for LTDC on stm32f7

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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@xxxxxxxxxxxxxxxxxxxx>
---

(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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