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Merge pull request #8 from krisklau/feature/ntnu-device-tree 

lctr-b2xx/patches/linux: Added device-tree file patch for uart2,4 and gpio
This commit is contained in:
Ricardo Martins 2014-10-24 12:29:51 +01:00
parent 764fd6670a fe2b81d6d5
commit de06f16d02
1 changed files with 128 additions and 0 deletions
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128
systems/lctr-b2xx/patches/linux/3.14.16/00-lctr-b2xx-ntnu-x-dts.patch Normal file
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@ -0,0 +1,128 @@
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
--- linux-3.14.16/arch/arm/boot/dts/am335x-lctr-b2xx-ntnu-gpio.dts 1970-01-01 01:00:00.000000000 +0100
+++ linux-3.14.16.kk/arch/arm/boot/dts/am335x-lctr-b2xx-ntnu-gpio.dts 2014-10-23 13:22:18.216000000 +0200
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2014 Universidade do Porto - Faculdade de Engenharia
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "am335x-lctr-b2xx.dts"
+
+
+/ {
+ /* GPIO. */
+ ntnu_gpio {
+ pinctrl-names = "default";
+ pinctrl-0 = <&gpio_pins>;
+ compatible = "ntnu-gpio";
+ status = "okay";
+ };
+};
+
+&am33xx_pinmux {
+ pinctrl-names = "default";
+ pinctrl-0 = <&board_pins>;
+
+
+
+ /* GPIO on UART2-pins. */
+ gpio_pins: pinmux_gpio_pins {
+ pinctrl-single,pins = <
+ /* GPIO 2 - Pin 22 */
+ 0x150 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ /* GPIO 3 - Pin 21 */
+ 0x154 (PIN_OUTPUT_PULLDOWN | MUX_MODE7)
+ >;
+ };
+
+ /* 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 UART4. */
+&uart4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart4_pins>;
+ status = "okay";
+};
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
--- linux-3.14.16/arch/arm/boot/dts/am335x-lctr-b2xx-ntnu-uart.dts 1970-01-01 01:00:00.000000000 +0100
+++ linux-3.14.16.kk/arch/arm/boot/dts/am335x-lctr-b2xx-ntnu-uart.dts 2014-10-20 21:35:33.608000000 +0200
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2014 Universidade do Porto - Faculdade de Engenharia
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include "am335x-lctr-b2xx.dts"
+
+
+
+&am33xx_pinmux {
+ pinctrl-names = "default";
+ pinctrl-0 = <&board_pins>;
+
+
+
+ /* UART2. */
+ uart2_pins: pinmux_uart2_pins {
+ pinctrl-single,pins = <
+ /* uart2_rxd */
+ 0x150 (PIN_INPUT_PULLUP | MUX_MODE1)
+ /* uart2_txd */
+ 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 UART2. */
+&uart2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart2_pins>;
+ status = "okay";
+};
+
+/* Enable UART4. */
+&uart4 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart4_pins>;
+ status = "okay";
+};
diff -ruN linux-3.14.16/arch/arm/boot/dts/Makefile linux-3.14.16.kk/arch/arm/boot/dts/Makefile
--- linux-3.14.16/arch/arm/boot/dts/Makefile 2014-08-08 01:50:59.000000000 +0200
+++ linux-3.14.16.kk/arch/arm/boot/dts/Makefile 2014-10-23 13:24:50.292000000 +0200
@@ -227,6 +227,8 @@
am335x-bone.dtb \
am335x-boneblack.dtb \
am335x-nano.dtb \
+ am335x-lctr-b2xx-ntnu-uart.dtb \
+ am335x-lctr-b2xx-ntnu-gpio.dtb \
am335x-base0033.dtb \
am3517-evm.dtb \
am3517_mt_ventoux.dtb \