ARM: dts: stm32: add pin map for LTDC on stm32f7

commit ba287d1a0137702a224b1f48673d529257b3c4bf Linux upstream.

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

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Reviewed-by: Raphaël Gallais-Pou <raphael.gallais-pou@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>

diff --git a/arch/arm/dts/stm32f7-pinctrl.dtsi b/arch/arm/dts/stm32f7-pinctrl.dtsi
index 607fe42f4f46fdb714af0f93656cce1bacf43412..d3706ee33b5fc17203691f77e0b2e5a5774b8fb7 100644 (file)
--- a/arch/arm/dts/stm32f7-pinctrl.dtsi
+++ b/arch/arm/dts/stm32f7-pinctrl.dtsi
@@ -376,6 +376,40 @@
                                        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>;
+                               };
+                       };
                };
        };
 };