From 9547d383102bcfa38556ab236e3a27797bfd424b Mon Sep 17 00:00:00 2001
From: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
Date: Fri, 23 Feb 2024 13:36:49 +0100
Subject: [PATCH] ARM: dts: stm32: add LTDC pinctrl on STM32MP13x SoC family

Adds LTDC pinctrl support and assigns dedicated GPIO pins.

Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
---
 arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi | 57 +++++++++++++++++++++
 1 file changed, 57 insertions(+)

diff --git a/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
index 27e0c3826789d..32c5d8a1e06ac 100644
--- a/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
@@ -47,6 +47,63 @@
 		};
 	};
 
+	ltdc_pins_a: ltdc-0 {
+		pins {
+			pinmux = <STM32_PINMUX('D',  9, AF13)>, /* LCD_CLK */
+				 <STM32_PINMUX('C',  6, AF14)>, /* LCD_HSYNC */
+				 <STM32_PINMUX('G',  4, AF11)>, /* LCD_VSYNC */
+				 <STM32_PINMUX('H',  9, AF11)>, /* LCD_DE */
+				 <STM32_PINMUX('G',  7, AF14)>, /* LCD_R2 */
+				 <STM32_PINMUX('B', 12, AF13)>, /* LCD_R3 */
+				 <STM32_PINMUX('D', 14, AF14)>, /* LCD_R4 */
+				 <STM32_PINMUX('E',  7, AF14)>, /* LCD_R5 */
+				 <STM32_PINMUX('E', 13, AF14)>, /* LCD_R6 */
+				 <STM32_PINMUX('E',  9, AF14)>, /* LCD_R7 */
+				 <STM32_PINMUX('H', 13, AF14)>, /* LCD_G2 */
+				 <STM32_PINMUX('F',  3, AF14)>, /* LCD_G3 */
+				 <STM32_PINMUX('D',  5, AF14)>, /* LCD_G4 */
+				 <STM32_PINMUX('G',  0, AF14)>, /* LCD_G5 */
+				 <STM32_PINMUX('C',  7, AF14)>, /* LCD_G6 */
+				 <STM32_PINMUX('A', 15, AF11)>, /* LCD_G7 */
+				 <STM32_PINMUX('D', 10, AF14)>, /* LCD_B2 */
+				 <STM32_PINMUX('F',  2, AF14)>, /* LCD_B3 */
+				 <STM32_PINMUX('H', 14, AF11)>, /* LCD_B4 */
+				 <STM32_PINMUX('E',  0, AF14)>, /* LCD_B5 */
+				 <STM32_PINMUX('B',  6, AF7)>,  /* LCD_B6 */
+				 <STM32_PINMUX('F',  1, AF13)>; /* LCD_B7 */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <0>;
+		};
+	};
+
+	ltdc_sleep_pins_a: ltdc-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('D',  9, ANALOG)>, /* LCD_CLK */
+				 <STM32_PINMUX('C',  6, ANALOG)>, /* LCD_HSYNC */
+				 <STM32_PINMUX('G',  4, ANALOG)>, /* LCD_VSYNC */
+				 <STM32_PINMUX('H',  9, ANALOG)>, /* LCD_DE */
+				 <STM32_PINMUX('G',  7, ANALOG)>, /* LCD_R2 */
+				 <STM32_PINMUX('B', 12, ANALOG)>, /* LCD_R3 */
+				 <STM32_PINMUX('D', 14, ANALOG)>, /* LCD_R4 */
+				 <STM32_PINMUX('E',  7, ANALOG)>, /* LCD_R5 */
+				 <STM32_PINMUX('E', 13, ANALOG)>, /* LCD_R6 */
+				 <STM32_PINMUX('E',  9, ANALOG)>, /* LCD_R7 */
+				 <STM32_PINMUX('H', 13, ANALOG)>, /* LCD_G2 */
+				 <STM32_PINMUX('F',  3, ANALOG)>, /* LCD_G3 */
+				 <STM32_PINMUX('D',  5, ANALOG)>, /* LCD_G4 */
+				 <STM32_PINMUX('G',  0, ANALOG)>, /* LCD_G5 */
+				 <STM32_PINMUX('C',  7, ANALOG)>, /* LCD_G6 */
+				 <STM32_PINMUX('A', 15, ANALOG)>, /* LCD_G7 */
+				 <STM32_PINMUX('D', 10, ANALOG)>, /* LCD_B2 */
+				 <STM32_PINMUX('F',  2, ANALOG)>, /* LCD_B3 */
+				 <STM32_PINMUX('H', 14, ANALOG)>, /* LCD_B4 */
+				 <STM32_PINMUX('E',  0, ANALOG)>, /* LCD_B5 */
+				 <STM32_PINMUX('B',  6, ANALOG)>, /* LCD_B6 */
+				 <STM32_PINMUX('F',  1, ANALOG)>; /* LCD_B7 */
+		};
+	};
+
 	mcp23017_pins_a: mcp23017-0 {
 		pins {
 			pinmux = <STM32_PINMUX('G', 12, GPIO)>;
-- 
2.30.2