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lctr-b2xx: Enabled UART4 by default.

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This commit is contained in:
mariacosta 2017-01-17 15:12:22 +00:00
parent 04f268c481
commit 1bcbd2d2fb
1 changed files with 31 additions and 0 deletions
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31
systems/lctr-b2xx/patches/linux/3.14.63/01-lctr-b2xx-dts.patch Normal file
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@ -0,0 +1,31 @@
diff -Nru linux-3.14.63/arch/arm/boot/dts/am335x-lctr-b2xx.dts linux-3.14.63.mc/arch/arm/boot/dts/am335x-lctr-b2xx.dts
--- linux-3.14.63/arch/arm/boot/dts/am335x-lctr-b2xx.dts 2017-01-17 14:12:07.019022866 +0000
+++ linux-3.14.63.mc/arch/arm/boot/dts/am335x-lctr-b2xx.dts 2017-01-17 14:26:45.657383756 +0000
@@ -60,6 +60,16 @@
0x154 (PIN_OUTPUT_PULLDOWN | MUX_MODE1)
>;
};
+
+ /* UART4. */
+ uart4_pins: pinmux_uart4_pins {
+ pinctrl-single,pins = <
+ /* uart4_rxd */
+ 0x70 (PIN_INPUT_PULLUP | MUX_MODE6)
+ /* uart4_txd */
+ 0x74 (PIN_OUTPUT_PULLDOWN | MUX_MODE6)
+ >;
+ };
};
/* Enable UART1. */
@@ -75,3 +85,10 @@
pinctrl-0 = <&uart2_pins>;
status = "okay";
};
+
+/* Enable UART4. */
+&uart4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart4_pins>;
+ status = "okay";
+};