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Message-Id: <20230814132844.113312-3-dario.binacchi@amarulasolutions.com>
Date:   Mon, 14 Aug 2023 15:28:42 +0200
From:   Dario Binacchi <dario.binacchi@...rulasolutions.com>
To:     linux-kernel@...r.kernel.org
Cc:     Philippe Cornu <philippe.cornu@...s.st.com>,
        michael@...rulasolutions.com,
        Amarula patchwork <linux-amarula@...rulasolutions.com>,
        Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>,
        Dario Binacchi <dario.binacchi@...rulasolutions.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com
Subject: [PATCH v8 2/4] ARM: dts: stm32: add pin map for LTDC on stm32f7

Add pin configurations for using LTDC (LCD-tft Display Controller) on
stm32f746-disco board.

Signed-off-by: Dario Binacchi <dario.binacchi@...rulasolutions.com>
Reviewed-by: Raphaƫl Gallais-Pou <raphael.gallais-pou@...s.st.com>

---

(no changes since v7)

Changes in v7:
- Add 'Reviewed-by' tag I forgot in v6.
  https://lore.kernel.org/linux-arm-kernel/20230629083726.84910-1-dario.binacchi@amarulasolutions.com/T/

Changes in v3:
- rename ltdc-pins-a-0 to ltdc-0.

 arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi | 35 +++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi
index 9f65403295ca..36dad40dd0c7 100644
--- a/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32f7-pinctrl.dtsi
@@ -365,6 +365,41 @@ pins2 {
 					bias-pull-up;
 				};
 			};
+
+
+			ltdc_pins_a: ltdc-0 {
+				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>;
+				};
+			};
 		};
 	};
 };
-- 
2.34.1

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