From d51761ffc6068595e88cfff2199e8fae039c4afb Mon Sep 17 00:00:00 2001
From: Patrice Chotard <patrice.chotard@st.com>
Date: Tue, 30 Apr 2019 16:08:06 +0200
Subject: [PATCH] ARM: dts: stm32: Add qspi support for stm32f469-disco board

Add device tree nodes to support qspi for stm32f469-disco board.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
---
 arch/arm/dts/stm32f469-disco-u-boot.dtsi | 39 ++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/arch/arm/dts/stm32f469-disco-u-boot.dtsi b/arch/arm/dts/stm32f469-disco-u-boot.dtsi
index a980ac46f5..3da308e6a4 100644
--- a/arch/arm/dts/stm32f469-disco-u-boot.dtsi
+++ b/arch/arm/dts/stm32f469-disco-u-boot.dtsi
@@ -23,6 +23,7 @@
 		gpio8 = &gpioi;
 		gpio9 = &gpioj;
 		gpio10 = &gpiok;
+		spi0 = &qspi;
 	};
 
 	soc {
@@ -64,6 +65,19 @@
 			       st,sdram-refcount = < 1292 >;
 		       };
 		};
+
+		qspi: quadspi@A0001000 {
+			compatible = "st,stm32-qspi";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0xA0001000 0x1000>, <0x90000000 0x10000000>;
+			reg-names = "qspi", "qspi_mm";
+			interrupts = <91>;
+			spi-max-frequency = <108000000>;
+			clocks = <&rcc 0 STM32F4_AHB3_CLOCK(QSPI)>;
+			resets = <&rcc STM32F4_AHB3_RESET(QSPI)>;
+			pinctrl-0 = <&qspi_pins>;
+		};
 	};
 };
 
@@ -205,6 +219,18 @@
 		};
 	};
 
+	qspi_pins: qspi@0 {
+		pins {
+			pinmux = <STM32_PINMUX('F',10, AF9)>, /* CLK */
+				 <STM32_PINMUX('B', 6, AF10)>, /* BK1_NCS */
+				 <STM32_PINMUX('F', 8, AF10)>, /* BK1_IO0 */
+				 <STM32_PINMUX('F', 9, AF10)>, /* BK1_IO1 */
+				 <STM32_PINMUX('F', 7, AF9)>, /* BK1_IO2 */
+				 <STM32_PINMUX('F', 6, AF9)>; /* BK1_IO3 */
+			slew-rate = <2>;
+		};
+	};
+
 	usart3_pins_a: usart3@0	{
 		u-boot,dm-pre-reloc;
 		pins1 {
@@ -227,3 +253,16 @@
 &syscfg {
 	u-boot,dm-pre-reloc;
 };
+
+&qspi {
+	reg = <0xA0001000 0x1000>, <0x90000000 0x1000000>;
+	flash0: n25q128a {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <108000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+		reg = <0>;
+	};
+};
-- 
2.25.1