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Message-Id: <20190901225827.12301-6-david@lechnology.com>
Date: Sun, 1 Sep 2019 17:58:26 -0500
From: David Lechner <david@...hnology.com>
To: linux-iio@...r.kernel.org, linux-omap@...r.kernel.org
Cc: David Lechner <david@...hnology.com>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
BenoƮt Cousson <bcousson@...libre.com>,
Tony Lindgren <tony@...mide.com>,
William Breathitt Gray <vilhelm.gray@...il.com>,
Thierry Reding <thierry.reding@...il.com>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-pwm@...r.kernel.org
Subject: [PATCH v3 5/6] ARM: dts: am335x-boneblue: Enable eQEP
This enables the Enhanced Quadrature Encoder Pulse (eQEP) module for
connectors E1, E2 and E3 on BeagleBone Blue.
Signed-off-by: David Lechner <david@...hnology.com>
---
v3 changes:
- none
v2 changes:
- none
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 0257576d5d16..df3978ce061c 100644
--- a/arch/arm/boot/dts/am335x-boneblue.dts
+++ b/arch/arm/boot/dts/am335x-boneblue.dts
@@ -258,6 +258,30 @@
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 {
@@ -530,3 +554,33 @@
line-name = "LS_BUF_EN";
};
};
+
+&epwmss0 {
+ status = "okay";
+};
+
+&eqep0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&eqep0_pins>;
+};
+
+&epwmss1 {
+ status = "okay";
+};
+
+&eqep1 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&eqep1_pins>;
+};
+
+&epwmss2 {
+ status = "okay";
+};
+
+&eqep2 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&eqep2_pins>;
+};
--
2.17.1
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