Merge pull request #8 from krisklau/feature/ntnu-device-tree
lctr-b2xx/patches/linux: Added device-tree file patch for uart2,4 and gpio
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commit
de06f16d02
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diff -ruN linux-3.14.16/arch/arm/boot/dts/am335x-lctr-b2xx-ntnu-gpio.dts linux-3.14.16.kk/arch/arm/boot/dts/am335x-lctr-b2xx-ntnu-gpio.dts
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--- linux-3.14.16/arch/arm/boot/dts/am335x-lctr-b2xx-ntnu-gpio.dts 1970-01-01 01:00:00.000000000 +0100
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+++ linux-3.14.16.kk/arch/arm/boot/dts/am335x-lctr-b2xx-ntnu-gpio.dts 2014-10-23 13:22:18.216000000 +0200
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@@ -0,0 +1,56 @@
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+/*
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+ * Copyright (C) 2014 Universidade do Porto - Faculdade de Engenharia
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+ */
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+
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+#include "am335x-lctr-b2xx.dts"
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+
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+
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+/ {
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+ /* GPIO. */
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+ ntnu_gpio {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&gpio_pins>;
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+ compatible = "ntnu-gpio";
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+ status = "okay";
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+ };
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+};
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+
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+&am33xx_pinmux {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&board_pins>;
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+
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+
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+
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+ /* GPIO on UART2-pins. */
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+ gpio_pins: pinmux_gpio_pins {
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+ pinctrl-single,pins = <
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+ /* GPIO 2 - Pin 22 */
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+ 0x150 (PIN_INPUT_PULLDOWN | MUX_MODE7)
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+ /* GPIO 3 - Pin 21 */
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+ 0x154 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)
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+ >;
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+ };
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+
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+ /* UART4. */
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+ uart4_pins: pinmux_uart4_pins {
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+ pinctrl-single,pins = <
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+ /* uart4_rxd */
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+ 0x70 (PIN_INPUT_PULLUP | MUX_MODE6)
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+ /* uart4_txd */
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+ 0x74 (PIN_OUTPUT_PULLDOWN | MUX_MODE6)
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+ >;
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+ };
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+};
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+
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+
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+
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+/* Enable UART4. */
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+&uart4 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart4_pins>;
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+ status = "okay";
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+};
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diff -ruN linux-3.14.16/arch/arm/boot/dts/am335x-lctr-b2xx-ntnu-uart.dts linux-3.14.16.kk/arch/arm/boot/dts/am335x-lctr-b2xx-ntnu-uart.dts
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--- linux-3.14.16/arch/arm/boot/dts/am335x-lctr-b2xx-ntnu-uart.dts 1970-01-01 01:00:00.000000000 +0100
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+++ linux-3.14.16.kk/arch/arm/boot/dts/am335x-lctr-b2xx-ntnu-uart.dts 2014-10-20 21:35:33.608000000 +0200
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@@ -0,0 +1,52 @@
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+/*
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+ * Copyright (C) 2014 Universidade do Porto - Faculdade de Engenharia
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+ */
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+
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+#include "am335x-lctr-b2xx.dts"
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+
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+
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+
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+&am33xx_pinmux {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&board_pins>;
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+
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+
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+
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+ /* UART2. */
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+ uart2_pins: pinmux_uart2_pins {
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+ pinctrl-single,pins = <
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+ /* uart2_rxd */
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+ 0x150 (PIN_INPUT_PULLUP | MUX_MODE1)
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+ /* uart2_txd */
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+ 0x154 (PIN_OUTPUT_PULLDOWN | MUX_MODE1)
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+ >;
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+ };
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+
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+ /* UART4. */
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+ uart4_pins: pinmux_uart4_pins {
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+ pinctrl-single,pins = <
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+ /* uart4_rxd */
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+ 0x70 (PIN_INPUT_PULLUP | MUX_MODE6)
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+ /* uart4_txd */
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+ 0x74 (PIN_OUTPUT_PULLDOWN | MUX_MODE6)
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+ >;
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+ };
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+};
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+
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+/* Enable UART2. */
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+&uart2 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart2_pins>;
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+ status = "okay";
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+};
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+
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+/* Enable UART4. */
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+&uart4 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart4_pins>;
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+ status = "okay";
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+};
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diff -ruN linux-3.14.16/arch/arm/boot/dts/Makefile linux-3.14.16.kk/arch/arm/boot/dts/Makefile
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--- linux-3.14.16/arch/arm/boot/dts/Makefile 2014-08-08 01:50:59.000000000 +0200
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+++ linux-3.14.16.kk/arch/arm/boot/dts/Makefile 2014-10-23 13:24:50.292000000 +0200
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@@ -227,6 +227,8 @@
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am335x-bone.dtb \
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am335x-boneblack.dtb \
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am335x-nano.dtb \
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+ am335x-lctr-b2xx-ntnu-uart.dtb \
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+ am335x-lctr-b2xx-ntnu-gpio.dtb \
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am335x-base0033.dtb \
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am3517-evm.dtb \
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am3517_mt_ventoux.dtb \
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