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From: David Lechner <david@lechnology.com>
To: linux-omap@vger.kernel.org
Cc: "David Lechner" <david@lechnology.com>,
	"Benoît Cousson" <bcousson@baylibre.com>,
	"Tony Lindgren" <tony@atomide.com>,
	"Robert Nelson" <robertcnelson@gmail.com>,
	"Drew Fustini" <drew@beagleboard.org>,
	"Rob Herring" <robh+dt@kernel.org>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/3] ARM: dts: am335x-boneblue: Enable eQEP
Date: Mon, 12 Oct 2020 16:12:28 -0500	[thread overview]
Message-ID: <20201012211229.3282128-3-david@lechnology.com> (raw)
In-Reply-To: <20201012211229.3282128-1-david@lechnology.com>

This enables the Enhanced Quadrature Encoder Pulse (eQEP) module for
connectors E1, E2 and E3 on BeagleBone Blue.

Signed-off-by: David Lechner <david@lechnology.com>
---
 arch/arm/boot/dts/am335x-boneblue.dts | 54 +++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-boneblue.dts b/arch/arm/boot/dts/am335x-boneblue.dts
index c696d57cf364..69acaf4ea0f3 100644
--- a/arch/arm/boot/dts/am335x-boneblue.dts
+++ b/arch/arm/boot/dts/am335x-boneblue.dts
@@ -241,6 +241,30 @@ AM33XX_PADCONF(AM335X_PIN_UART0_CTSN, PIN_OUTPUT, MUX_MODE2)		/* (E18) uart0_cts
 			AM33XX_PADCONF(AM335X_PIN_MII1_RXD0, PIN_OUTPUT, MUX_MODE7)		/* (M16) gmii1_rxd0.gpio2[21] */
 		>;
 	};
+
+	/* E1 */
+	eqep0_pins: pinmux_eqep0_pins {
+		pinctrl-single,pins = <
+			AM33XX_PADCONF(AM335X_PIN_MCASP0_AXR0, PIN_INPUT, MUX_MODE1)		/* (B12) mcasp0_aclkr.eQEP0A_in */
+			AM33XX_PADCONF(AM335X_PIN_MCASP0_FSR, PIN_INPUT, MUX_MODE1)		/* (C13) mcasp0_fsr.eQEP0B_in */
+		>;
+	};
+
+	/* E2 */
+	eqep1_pins: pinmux_eqep1_pins {
+		pinctrl-single,pins = <
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_INPUT, MUX_MODE2)		/* (V2) lcd_data12.eQEP1A_in */
+			AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_INPUT, MUX_MODE2)		/* (V3) lcd_data13.eQEP1B_in */
+		>;
+	};
+
+	/* E3 */
+	eqep2_pins: pinmux_eqep2_pins {
+		pinctrl-single,pins = <
+			AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_INPUT, MUX_MODE4)		/* (T12) gpmc_ad12.eQEP2A_in */
+			AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_INPUT, MUX_MODE4)		/* (R12) gpmc_ad13.eQEP2B_in */
+		>;
+	};
 };
 
 &uart0 {
@@ -419,3 +443,33 @@ ls_buf_en {
 		line-name = "LS_BUF_EN";
 	};
 };
+
+&epwmss0 {
+	status = "okay";
+};
+
+&eqep0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&eqep0_pins>;
+	status = "okay";
+};
+
+&epwmss1 {
+	status = "okay";
+};
+
+&eqep1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&eqep1_pins>;
+	status = "okay";
+};
+
+&epwmss2 {
+	status = "okay";
+};
+
+&eqep2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&eqep2_pins>;
+	status = "okay";
+};
-- 
2.25.1


  parent reply	other threads:[~2020-10-12 21:29 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-12 21:12 [PATCH 0/3] Enable eQEP counter driver on BeagleBone Blue David Lechner
2020-10-12 21:12 ` [PATCH 1/3] ARM: dts: am33xx: Add nodes for eQEP David Lechner
2020-10-12 21:12 ` David Lechner [this message]
2020-10-12 21:12 ` [PATCH 3/3] ARM: omap2plus_defconfig: Enable TI eQEP counter driver David Lechner
2020-11-16 11:36 ` [PATCH 0/3] Enable eQEP counter driver on BeagleBone Blue Tony Lindgren
2020-11-16 14:27   ` David Lechner

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