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From: Dario Binacchi <dario.binacchi@amarulasolutions.com>
To: linux-kernel@vger.kernel.org
Cc: Philippe Cornu <philippe.cornu@foss.st.com>,
	Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com>,
	Amarula patchwork <linux-amarula@amarulasolutions.com>,
	michael@amarulasolutions.com,
	Dario Binacchi <dario.binacchi@amarulasolutions.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	Conor Dooley <conor+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-stm32@st-md-mailman.stormreply.com
Subject: [PATCH v4 3/6] ARM: dts: stm32: support display on stm32f746-disco board
Date: Mon, 19 Jun 2023 18:55:22 +0200	[thread overview]
Message-ID: <20230619165525.1035243-4-dario.binacchi@amarulasolutions.com> (raw)
In-Reply-To: <20230619165525.1035243-1-dario.binacchi@amarulasolutions.com>

Add support to Rocktech RK043FN48H display on stm32f746-disco board.

Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
---

(no changes since v1)

 arch/arm/boot/dts/stm32f746-disco.dts | 51 +++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f746-disco.dts b/arch/arm/boot/dts/stm32f746-disco.dts
index c11616ed5fc6..cda423b6a874 100644
--- a/arch/arm/boot/dts/stm32f746-disco.dts
+++ b/arch/arm/boot/dts/stm32f746-disco.dts
@@ -60,10 +60,41 @@ memory@c0000000 {
 		reg = <0xC0000000 0x800000>;
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		linux,cma {
+			compatible = "shared-dma-pool";
+			no-map;
+			size = <0x80000>;
+			linux,dma-default;
+		};
+	};
+
 	aliases {
 		serial0 = &usart1;
 	};
 
+	backlight: backlight {
+		compatible = "gpio-backlight";
+		gpios = <&gpiok 3 GPIO_ACTIVE_HIGH>;
+		status = "okay";
+	};
+
+	panel_rgb: panel-rgb {
+		compatible = "rocktech,rk043fn48h";
+		backlight = <&backlight>;
+		enable-gpios = <&gpioi 12 GPIO_ACTIVE_HIGH>;
+		status = "okay";
+		port {
+			panel_in_rgb: endpoint {
+				remote-endpoint = <&ltdc_out_rgb>;
+			};
+		};
+	};
+
 	usbotg_hs_phy: usb-phy {
 		#phy-cells = <0>;
 		compatible = "usb-nop-xceiv";
@@ -99,6 +130,26 @@ &i2c1 {
 	status = "okay";
 };
 
+&dma1 {
+	status = "okay";
+};
+
+&dma2 {
+	status = "okay";
+};
+
+&ltdc {
+	pinctrl-0 = <&ltdc_pins_a>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	port {
+		ltdc_out_rgb: endpoint {
+			remote-endpoint = <&panel_in_rgb>;
+		};
+	};
+};
+
 &sdio1 {
 	status = "okay";
 	vmmc-supply = <&mmc_vcard>;
-- 
2.32.0


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  parent reply	other threads:[~2023-06-19 16:56 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-19 16:55 [PATCH v4 0/6] Add display support on the stm32f746-disco board Dario Binacchi
2023-06-19 16:55 ` [PATCH v4 1/6] ARM: dts: stm32: add ltdc support on stm32f746 MCU Dario Binacchi
2023-06-19 16:55 ` [PATCH v4 2/6] ARM: dts: stm32: add pin map for LTDC on stm32f7 Dario Binacchi
2023-06-19 16:55 ` Dario Binacchi [this message]
2023-06-19 16:55 ` [PATCH v4 4/6] dt-bindings: display: stm32-ltdc: add optional st,fb-bpp property Dario Binacchi
2023-06-19 17:17   ` Rob Herring
2023-06-19 20:18   ` Conor Dooley
2023-06-19 22:11     ` Rob Herring
2023-06-19 16:55 ` [PATCH v4 5/6] ARM: dts: stm32: set framebuffer bit depth on stm32f746-disco Dario Binacchi
2023-06-19 16:55 ` [PATCH v4 6/6] drm/stm: set framebuffer bit depth through DTS property Dario Binacchi

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