linux-kernel - [PATCH v1 4/5] ARM: dts: stm32: Enable DCMI support on STM32F746 MCU

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Date:   Thu, 22 Jun 2017 17:12:50 +0200
From:   Hugues Fruchet <hugues.fruchet@...com>
To:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil@...all.nl>
CC:     <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-media@...r.kernel.org>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Yannick Fertre <yannick.fertre@...com>,
        Hugues Fruchet <hugues.fruchet@...com>
Subject: [PATCH v1 4/5] ARM: dts: stm32: Enable DCMI support on STM32F746 MCU

Enable DCMI camera interface on STM32F746 MCU.

Signed-off-by: Hugues Fruchet <hugues.fruchet@...com>
---
 arch/arm/boot/dts/stm32f746.dtsi | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi
index c2765ce..4bdf37c 100644
--- a/arch/arm/boot/dts/stm32f746.dtsi
+++ b/arch/arm/boot/dts/stm32f746.dtsi
@@ -326,6 +326,23 @@
 					bias-disable;
 				};
 			};
+
+			dcmi_pins: dcmi_pins@0 {
+				pins {
+					pinmux = <STM32F746_PA4_FUNC_DCMI_HSYNC>,
+						 <STM32F746_PG9_FUNC_DCMI_VSYNC>,
+						 <STM32F746_PA6_FUNC_DCMI_PIXCLK>,
+						 <STM32F746_PH9_FUNC_DCMI_D0>,
+						 <STM32F746_PH10_FUNC_DCMI_D1>,
+						 <STM32F746_PH11_FUNC_DCMI_D2>,
+						 <STM32F746_PH12_FUNC_DCMI_D3>,
+						 <STM32F746_PH14_FUNC_DCMI_D4>,
+						 <STM32F746_PD3_FUNC_DCMI_D5>,
+						 <STM32F746_PE5_FUNC_DCMI_D6>,
+						 <STM32F746_PE6_FUNC_DCMI_D7>;
+					slew-rate = <3>;
+				};
+			};
 		};
 
 		crc: crc@...23000 {
@@ -344,6 +361,20 @@
 			assigned-clocks = <&rcc 1 CLK_HSE_RTC>;
 			assigned-clock-rates = <1000000>;
 		};
+
+		dcmi: dcmi@...50000 {
+			compatible = "st,stm32-dcmi";
+			reg = <0x50050000 0x400>;
+			interrupts = <78>;
+			resets = <&rcc STM32F7_AHB2_RESET(DCMI)>;
+			clocks = <&rcc 0 STM32F7_AHB2_CLOCK(DCMI)>;
+			clock-names = "mclk";
+			pinctrl-names = "default";
+			pinctrl-0 = <&dcmi_pins>;
+			dmas = <&dma2 1 1 0x414 0x3>;
+			dma-names = "tx";
+			status = "disabled";
+		};
 	};
 };
 
-- 
1.9.1