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Message-Id: <20230619165525.1035243-4-dario.binacchi@amarulasolutions.com>
Date: Mon, 19 Jun 2023 18:55:22 +0200
From: Dario Binacchi <dario.binacchi@...rulasolutions.com>
To: linux-kernel@...r.kernel.org
Cc: Philippe Cornu <philippe.cornu@...s.st.com>,
Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>,
Amarula patchwork <linux-amarula@...rulasolutions.com>,
michael@...rulasolutions.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 v4 3/6] ARM: dts: stm32: support display on stm32f746-disco board
Add support to Rocktech RK043FN48H display on stm32f746-disco board.
Signed-off-by: Dario Binacchi <dario.binacchi@...rulasolutions.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@...00000 {
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 = <<dc_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";
+};
+
+<dc {
+ pinctrl-0 = <<dc_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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