linux-kernel - [PATCH 5/5] ARM: dts: stm32: add usart2 node to stm32mp157c-dk2

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Message-ID: <20200528074029.24962-6-erwan.leray@st.com>
Date:   Thu, 28 May 2020 09:40:29 +0200
From:   Erwan Le Ray <erwan.leray@...com>
To:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
CC:     <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Erwan Le Ray <erwan.leray@...com>,
        Fabrice Gasnier <fabrice.gasnier@...com>
Subject: [PATCH 5/5] ARM: dts: stm32: add usart2 node to stm32mp157c-dk2

Adds the usart2 node to stm32mp157c-dk2 board. usart2 pins are connected
to Bluetooth component. usart2 is disabled by default.

Signed-off-by: Erwan Le Ray <erwan.leray@...com>

diff --git a/arch/arm/boot/dts/stm32mp157c-dk2.dts b/arch/arm/boot/dts/stm32mp157c-dk2.dts
index ffbae4a8753d..045636555ddd 100644
--- a/arch/arm/boot/dts/stm32mp157c-dk2.dts
+++ b/arch/arm/boot/dts/stm32mp157c-dk2.dts
@@ -21,6 +21,7 @@
 		serial0 = &uart4;
 		serial1 = &usart3;
 		serial2 = &uart7;
+		serial3 = &usart2;
 	};
 
 	chosen {
@@ -86,3 +87,11 @@
 		};
 	};
 };
+
+&usart2 {
+	pinctrl-names = "default", "sleep", "idle";
+	pinctrl-0 = <&usart2_pins_c>;
+	pinctrl-1 = <&usart2_sleep_pins_c>;
+	pinctrl-2 = <&usart2_idle_pins_c>;
+	status = "disabled";
+};
-- 
2.17.1