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December 16, 2022 20:23
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Enable UART on BeagleBone Black
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Index: sys/gnu/dts/arm/am335x-bone-common.dtsi | |
=================================================================== | |
--- sys/gnu/dts/arm/am335x-bone-common.dtsi (révision 326470) | |
+++ sys/gnu/dts/arm/am335x-bone-common.dtsi (copie de travail) | |
@@ -95,6 +95,40 @@ | |
>; | |
}; | |
+ uart1_pins: pinmux_uart1_pins { | |
+ pinctrl-single,pins = < | |
+ AM33XX_IOPAD(0x980, PIN_INPUT_PULLUP | MUX_MODE0) /* uart1_rxd.uart1_rxd */ | |
+ AM33XX_IOPAD(0x984, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart1_txd.uart1_txd */ | |
+ >; | |
+ }; | |
+ | |
+ uart2_pins: pinmux_uart2_pins { | |
+ pinctrl-single,pins = < | |
+ AM33XX_IOPAD(0x950, PIN_INPUT_PULLUP | MUX_MODE1) /* uart2_rxd.uart2_rxd */ | |
+ AM33XX_IOPAD(0x954, PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* uart2_txd.uart2_txd */ | |
+ >; | |
+ }; | |
+ | |
+ uart3_pins: pinmux_uart3_pins { | |
+ pinctrl-single,pins = < | |
+ AM33XX_IOPAD(0x964, PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* uart3_txd.uart3_txd */ | |
+ >; | |
+ }; | |
+ | |
+ uart4_pins: pinmux_uart4_pins { | |
+ pinctrl-single,pins = < | |
+ AM33XX_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE6) /* uart4_rxd.uart4_rxd */ | |
+ AM33XX_IOPAD(0x874, PIN_OUTPUT_PULLDOWN | MUX_MODE6) /* uart4_txd.uart4_txd */ | |
+ >; | |
+ }; | |
+ | |
+ uart5_pins: pinmux_uart5_pins { | |
+ pinctrl-single,pins = < | |
+ AM33XX_IOPAD(0x8c4, PIN_INPUT_PULLUP | MUX_MODE4) /* uart5_rxd.uart5_rxd */ | |
+ AM33XX_IOPAD(0x8c0, PIN_OUTPUT_PULLDOWN | MUX_MODE4) /* uart5_txd.uart5_txd */ | |
+ >; | |
+ }; | |
+ | |
clkout2_pin: pinmux_clkout2_pin { | |
pinctrl-single,pins = < | |
AM33XX_IOPAD(0x9b4, PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr1.clkout2 */ | |
@@ -184,6 +218,41 @@ | |
status = "okay"; | |
}; | |
+&uart1 { | |
+ pinctrl-names = "default"; | |
+ pinctrl-0 = <&uart1_pins>; | |
+ | |
+ status = "okay"; | |
+}; | |
+ | |
+&uart2 { | |
+ pinctrl-names = "default"; | |
+ pinctrl-0 = <&uart2_pins>; | |
+ | |
+ status = "okay"; | |
+}; | |
+ | |
+&uart3 { | |
+ pinctrl-names = "default"; | |
+ pinctrl-0 = <&uart3_pins>; | |
+ | |
+ status = "okay"; | |
+}; | |
+ | |
+&uart4 { | |
+ pinctrl-names = "default"; | |
+ pinctrl-0 = <&uart4_pins>; | |
+ | |
+ status = "okay"; | |
+}; | |
+ | |
+&uart5 { | |
+ pinctrl-names = "default"; | |
+ pinctrl-0 = <&uart5_pins>; | |
+ | |
+ status = "okay"; | |
+}; | |
+ | |
&usb { | |
status = "okay"; | |
}; | |
Index: sys/gnu/dts/arm/am335x-boneblack.dts | |
=================================================================== | |
--- sys/gnu/dts/arm/am335x-boneblack.dts (révision 326470) | |
+++ sys/gnu/dts/arm/am335x-boneblack.dts (copie de travail) | |
@@ -66,6 +66,7 @@ | |
}; | |
}; | |
+/* | |
&lcdc { | |
status = "okay"; | |
port { | |
@@ -90,6 +91,7 @@ | |
}; | |
}; | |
}; | |
+*/ | |
&rtc { | |
system-power-controller; |
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Index: sys/gnu/dts/arm/am335x-bone-common.dtsi | |
=================================================================== | |
--- sys/gnu/dts/arm/am335x-bone-common.dtsi (révision 326470) | |
+++ sys/gnu/dts/arm/am335x-bone-common.dtsi (copie de travail) | |
@@ -95,6 +95,13 @@ | |
>; | |
}; | |
+ uart1_pins: pinmux_uart1_pins { | |
+ pinctrl-single,pins = < | |
+ AM33XX_IOPAD(0x980, PIN_INPUT_PULLUP | MUX_MODE0) /* uart1_rxd.uart1_rxd */ | |
+ AM33XX_IOPAD(0x984, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart1_txd.uart1_txd */ | |
+ >; | |
+ }; | |
+ | |
clkout2_pin: pinmux_clkout2_pin { | |
pinctrl-single,pins = < | |
AM33XX_IOPAD(0x9b4, PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr1.clkout2 */ | |
@@ -184,6 +191,13 @@ | |
status = "okay"; | |
}; | |
+&uart1 { | |
+ pinctrl-names = "default"; | |
+ pinctrl-0 = <&uart1_pins>; | |
+ | |
+ status = "okay"; | |
+}; | |
+ | |
&usb { | |
status = "okay"; | |
}; |
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