linux-kernel - [PATCH] ARM: dts: ebaz4205: add pinctrl entries for switches

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Date:   Mon,  1 Feb 2021 14:30:00 +0100
From:   Michael Walle <michael@...le.cc>
To:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Michal Simek <michal.simek@...inx.com>,
        Michael Walle <michael@...le.cc>
Subject: [PATCH] ARM: dts: ebaz4205: add pinctrl entries for switches

Add the pinctrl entries for the GPIOs which are connected to the
push buttons on this board.

Signed-off-by: Michael Walle <michael@...le.cc>
---
 arch/arm/boot/dts/zynq-ebaz4205.dts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm/boot/dts/zynq-ebaz4205.dts b/arch/arm/boot/dts/zynq-ebaz4205.dts
index e802d4ae8804..b0b836aedd76 100644
--- a/arch/arm/boot/dts/zynq-ebaz4205.dts
+++ b/arch/arm/boot/dts/zynq-ebaz4205.dts
@@ -43,7 +43,30 @@
 	};
 };
 
+&gpio0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gpio0_default>;
+};
+
 &pinctrl0 {
+	pinctrl_gpio0_default: gpio0-default {
+		mux {
+			groups = "gpio0_20_grp", "gpio0_32_grp";
+			function = "gpio0";
+		};
+
+		conf {
+			groups = "gpio0_20_grp", "gpio0_32_grp";
+			io-standard = <3>;
+			slew-rate = <0>;
+		};
+
+		conf-pull-up {
+			pins = "MIO20", "MIO32";
+			bias-disable;
+		};
+	};
+
 	pinctrl_sdhci0_default: sdhci0-default {
 		mux {
 			groups = "sdio0_2_grp";
-- 
2.20.1