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| author | David Lechner <david@lechnology.com> | 2020-10-12 16:12:28 -0500 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2020-11-16 13:32:42 +0200 |
| commit | 672081b5dd94a4f81e545c79c96e3a1dfdffd2f1 (patch) | |
| tree | c2cb297dd6b247540275ae55f9bda8570bc4b6fc /arch/arm | |
| parent | 02564e1ad77e5fe1bbae87ed8490dc503c6f9570 (diff) | |
| download | lwn-672081b5dd94a4f81e545c79c96e3a1dfdffd2f1.tar.gz lwn-672081b5dd94a4f81e545c79c96e3a1dfdffd2f1.zip | |
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@lechnology.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/am335x-boneblue.dts | 54 |
1 files changed, 54 insertions, 0 deletions
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_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 @@ 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"; +}; |