From 1e444bdc986aa56f9aaff01e1b57ed34d6ce8667 Mon Sep 17 00:00:00 2001
From: Marek Vasut <marex@denx.de>
Date: Mon, 27 Apr 2020 12:26:43 +0200
Subject: ARM: stm32: Hog GPIO PF7 high on DHCOM to unlock SPI NOR nWP

The SPI NOR nWP line is connected to GPIO PF7 on the SoM,
pull the GPIO line high by default to clear SPI NOR WP.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>
---
 arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'arch/arm/dts')

diff --git a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
index e59da53502c..75d75266e85 100644
--- a/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
+++ b/arch/arm/dts/stm32mp15xx-dhcom-u-boot.dtsi
@@ -49,6 +49,15 @@
 	};
 };
 
+&gpiof {
+	snor-nwp {
+		gpio-hog;
+		gpios = <7 0>;
+		output-high;
+		line-name = "spi-nor-nwp";
+	};
+};
+
 &i2c4 {
 	u-boot,dm-pre-reloc;
 };
-- 
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