linux-kernel - [PATCH 3/3] ARM: dts: am335x-pocketbeagle: add missing GPIO mux

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Message-ID: <20230816002308.36800-4-twoerner@gmail.com>
Date:   Tue, 15 Aug 2023 20:23:06 -0400
From:   Trevor Woerner <twoerner@...il.com>
To:     drew@...gleboard.org,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org
Subject: [PATCH 3/3] ARM: dts: am335x-pocketbeagle: add missing GPIO mux

Add the default MODE setting of a GPIO pin that was missing from the device
tree (i.e. P2.20/gpio2_00). This is to ensure the GPIO pins match the
pocketbeagle wiring expectations.

Signed-off-by: Trevor Woerner <twoerner@...il.com>
---
 arch/arm/boot/dts/ti/omap/am335x-pocketbeagle.dts | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/ti/omap/am335x-pocketbeagle.dts b/arch/arm/boot/dts/ti/omap/am335x-pocketbeagle.dts
index 6d875cf13e09..3d7bad8bfb2f 100644
--- a/arch/arm/boot/dts/ti/omap/am335x-pocketbeagle.dts
+++ b/arch/arm/boot/dts/ti/omap/am335x-pocketbeagle.dts
@@ -214,7 +214,7 @@ &am33xx_pinmux {
 	pinctrl-names = "default";
 
 	pinctrl-0 =   < &P2_03_gpio &P1_34_gpio &P2_19_gpio &P2_24_gpio
-			&P2_33_gpio &P2_22_gpio             &P2_10_gpio
+			&P2_33_gpio &P2_22_gpio &P2_20_gpio &P2_10_gpio
 			&P2_06_gpio &P2_04_gpio &P2_02_gpio &P2_08_gpio
 			&P2_17_gpio >;
 
@@ -272,6 +272,16 @@ AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLUP, MUX_MODE7)
 		pinctrl-single,bias-pulldown   = < 0x10  0x00  0x10  0x18>;
 	};
 
+	/* P2_20 (ZCZ ball T13) gpio2_00 0x888 */
+	P2_20_gpio: P2-20-gpio-pins {
+		pinctrl-single,pins = <
+			AM33XX_PADCONF(AM335X_PIN_GPMC_CSN3, PIN_INPUT_PULLUP, MUX_MODE7)
+		>;
+		pinctrl-single,bias-pullup   =   < 0x10  0x10  0x00  0x18>;
+		pinctrl-single,bias-pulldown   = < 0x10  0x00  0x10  0x18>;
+	};
+
+
 	/* P2_10 (ZCZ ball R14) gpio1_20 0x850 PIN 20 */
 	P2_10_gpio: P2-10-gpio-pins {
 		pinctrl-single,pins = <
-- 
2.41.0.327.gaa9166bcc0ba