From f6f39403ce6120226308124b80af7f18731192e7 Mon Sep 17 00:00:00 2001
From: Marek Vasut <marex@denx.de>
Date: Tue, 18 Jan 2022 21:29:57 +0100
Subject: [PATCH] ARM: dts: stm32: Add alternate pinmux for mco2 pins

Add pinmux option for MCO2 pin. This is used on DHCOM when the
ethernet PHY 50 MHz clock is generated by the MCO2 on PG2 pin.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Christophe Roullier <christophe.roullier@foss.st.com>
Cc: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Cc: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: linux-clk@vger.kernel.org
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
Tested-by: Johann Neuhauser <jneuhauser@dh-electronics.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
---
 arch/arm/boot/dts/stm32mp15-pinctrl.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
index 4890e8d4353b..3c44a04c13fb 100644
--- a/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp15-pinctrl.dtsi
@@ -923,6 +923,21 @@
 		};
 	};
 
+	mco2_pins_a: mco2-0 {
+		pins {
+			pinmux = <STM32_PINMUX('G', 2, AF1)>; /* MCO2 */
+			bias-disable;
+			drive-push-pull;
+			slew-rate = <2>;
+		};
+	};
+
+	mco2_sleep_pins_a: mco2-sleep-0 {
+		pins {
+			pinmux = <STM32_PINMUX('G', 2, ANALOG)>; /* MCO2 */
+		};
+	};
+
 	m_can1_pins_a: m-can1-0 {
 		pins1 {
 			pinmux = <STM32_PINMUX('H', 13, AF9)>; /* CAN1_TX */
-- 
2.20.1