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From: Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>
Date: Fri, 23 Feb 2024 13:36:49 +0100
Subject: [PATCH v3 2/4] ARM: dts: stm32: add LTDC pinctrl on STM32MP13x SoC
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Message-ID: <20240223-ltdc_mp13-v3-2-7f92a59ca11f@foss.st.com>
References: <20240223-ltdc_mp13-v3-0-7f92a59ca11f@foss.st.com>
In-Reply-To: <20240223-ltdc_mp13-v3-0-7f92a59ca11f@foss.st.com>
To: Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre Torgue
	<alexandre.torgue@foss.st.com>,
        Neil Armstrong <neil.armstrong@linaro.org>,
        Jessica Zhang <quic_jesszhan@quicinc.com>,
        Sam Ravnborg <sam@ravnborg.org>,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Maxime Ripard
	<mripard@kernel.org>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        David Airlie
	<airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>
CC: <devicetree@vger.kernel.org>, <linux-stm32@st-md-mailman.stormreply.com>,
        <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
        <dri-devel@lists.freedesktop.org>,
        Raphael Gallais-Pou
	<raphael.gallais-pou@foss.st.com>

Adds LTDC pinctrl support and assigns dedicated GPIO pins.

Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@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 27e0c3826789..32c5d8a1e06a 100644
--- a/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp13-pinctrl.dtsi
@@ -47,6 +47,63 @@ pins {
 		};
 	};
 
+	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)>;

-- 
2.25.1