[PATCH] Add UARTs to am335x-bone-common.dtsi

From: Matwey V. Kornilov
Date: Sat Jun 07 2014 - 09:23:57 EST


Add four UARTs pinouts and ports to beagle bone common dtsi.

Signed-off-by: Matwey V. Kornilov <matwey@xxxxxxxxxx>
---
arch/arm/boot/dts/am335x-bone-common.dtsi | 48 +++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index 2e7d932..da3db9f 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -90,6 +90,30 @@
0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
>;
};
+ uart1_pins: pinmux_uart1_pins {
+ pinctrl-single,pins = <
+ 0x180 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart1_rxd.uart1_rxd */
+ 0x184 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart1_txd.uart1_txd */
+ >;
+ };
+ uart2_pins: pinmux_uart2_pins {
+ pinctrl-single,pins = <
+ 0x150 (PIN_INPUT_PULLUP | MUX_MODE1) /* spi0_sclk.uart2_rxd */
+ 0x154 (PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* spi0_d0.uart2_txd */
+ >;
+ };
+ uart3_pins: pinmux_uart3_pins {
+ pinctrl-single,pins = <
+ /* Pin 0x160 spi0_cs1.uart3_rxd is not exported to the expansion header. The port is half-duplex */
+ 0x164 (PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* ecap0_in_pwm0_out.uart3_txd */
+ >;
+ };
+ uart4_pins: pinmux_uart4_pins {
+ pinctrl-single,pins = <
+ 0x070 (PIN_INPUT_PULLUP | MUX_MODE6) /* gpmc_wait0.uart4_rxd */
+ 0x074 (PIN_OUTPUT_PULLDOWN | MUX_MODE6) /* gpmc_wpn.uart4_txd */
+ >;
+ };

clkout2_pin: pinmux_clkout2_pin {
pinctrl-single,pins = <
@@ -179,6 +203,30 @@

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";
+};

&usb {
status = "okay";
--
1.8.1.4

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