This enables the Enhanced Quadrature Encoder Pulse (eQEP) module for
connectors E1, E2 and E3 on BeagleBone Blue.
Signed-off-by: David Lechner <david@xxxxxxxxxxxxxx>
---
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
