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2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 
 kernel/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi
....@@ -1,43 +1,6 @@
1
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
12 /*
23  * Copyright (c) 2016 Andreas Färber
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- *
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- * This file is dual-licensed: you can use it either under the terms
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- * of the GPL or the X11 license, at your option. Note that this dual
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- * licensing only applies to this file, and not this project as a
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- * whole.
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- *
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- *  a) This library is free software; you can redistribute it and/or
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- *     modify it under the terms of the GNU General Public License as
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- *     published by the Free Software Foundation; either version 2 of the
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- *     License, or (at your option) any later version.
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- *
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- *     This library is distributed in the hope that it will be useful,
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- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *     GNU General Public License for more details.
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- *
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- * Or, alternatively,
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- *
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- *  b) Permission is hereby granted, free of charge, to any person
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- *     obtaining a copy of this software and associated documentation
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- *     files (the "Software"), to deal in the Software without
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- *     restriction, including without limitation the rights to use,
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- *     copy, modify, merge, publish, distribute, sublicense, and/or
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- *     sell copies of the Software, and to permit persons to whom the
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- *     Software is furnished to do so, subject to the following
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- *     conditions:
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- *
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- *     The above copyright notice and this permission notice shall be
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- *     included in all copies or substantial portions of the Software.
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- *
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- *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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- *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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- *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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- *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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- *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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- *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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- *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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- *     OTHER DEALINGS IN THE SOFTWARE.
414  */
425 
436 #include "imx6sx.dtsi"
....@@ -106,18 +69,6 @@
10669 		gpio = <&gpio2 12 GPIO_ACTIVE_HIGH>;
10770 		startup-delay-us = <70000>;
10871 		enable-active-high;
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-	};
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-
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-	reg_bt: regulator-bt {
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-		compatible = "regulator-fixed";
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-		pinctrl-names = "default";
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-		pinctrl-0 = <&pinctrl_bt_reg>;
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-		enable-active-high;
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-		gpio = <&gpio2 17 GPIO_ACTIVE_HIGH>;
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-		regulator-name = "bt_reg";
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-		regulator-min-microvolt = <1800000>;
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-		regulator-max-microvolt = <1800000>;
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-		regulator-always-on;
12172 	};
12273 };
12374 
....@@ -225,6 +176,20 @@
225176 	};
226177 };
227178 
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+&i2c2 { /* Brick snap in sensors connector */
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+	pinctrl-names = "default";
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+	pinctrl-0 = <&pinctrl_i2c2>;
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+	clock-frequency = <100000>;
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+	status = "okay";
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+};
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+
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+&i2c4 { /* Onboard Motion sensors */
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+	pinctrl-names = "default";
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+	pinctrl-0 = <&pinctrl_i2c4>;
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+	clock-frequency = <100000>;
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+	status = "disabled";
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+};
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+
228193 &iomuxc {
229194 	pinctrl_bt_reg: btreggrp {
230195 		fsl,pins =
....@@ -256,30 +221,42 @@
256221 			<MX6SX_PAD_GPIO1_IO01__I2C1_SDA		0x4001b8b1>;
257222 	};
258223 
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+	pinctrl_i2c2: i2c2grp {
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+		fsl,pins =
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+			<MX6SX_PAD_GPIO1_IO03__I2C2_SDA		0x4001b8b1>,
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+			<MX6SX_PAD_GPIO1_IO02__I2C2_SCL		0x4001b8b1>;
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+	};
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+
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+	pinctrl_i2c4: i2c4grp {
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+		fsl,pins =
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+			<MX6SX_PAD_USB_H_DATA__I2C4_SDA		0x4001b8b1>,
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+			<MX6SX_PAD_USB_H_STROBE__I2C4_SCL	0x4001b8b1>;
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+	};
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+
259236 	pinctrl_uart1: uart1grp {
260237 		fsl,pins =
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-			<MX6SX_PAD_GPIO1_IO04__UART1_TX		0x1b0b1>,
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-			<MX6SX_PAD_GPIO1_IO05__UART1_RX		0x1b0b1>;
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+			<MX6SX_PAD_GPIO1_IO04__UART1_DCE_TX	0x1b0b1>,
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+			<MX6SX_PAD_GPIO1_IO05__UART1_DCE_RX	0x1b0b1>;
263240 	};
264241 
265242 	pinctrl_uart2: uart2grp {
266243 		fsl,pins =
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-			<MX6SX_PAD_GPIO1_IO06__UART2_TX		0x1b0b1>,
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-			<MX6SX_PAD_GPIO1_IO07__UART2_RX		0x1b0b1>;
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+			<MX6SX_PAD_GPIO1_IO06__UART2_DCE_TX	0x1b0b1>,
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+			<MX6SX_PAD_GPIO1_IO07__UART2_DCE_RX	0x1b0b1>;
269246 	};
270247 
271248 	pinctrl_uart3: uart3grp {
272249 		fsl,pins =
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-			<MX6SX_PAD_SD3_DATA4__UART3_RX          0x13059>,
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-			<MX6SX_PAD_SD3_DATA5__UART3_TX          0x13059>,
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-			<MX6SX_PAD_SD3_DATA6__UART3_RTS_B       0x13059>,
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-			<MX6SX_PAD_SD3_DATA7__UART3_CTS_B       0x13059>;
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+			<MX6SX_PAD_SD3_DATA4__UART3_DCE_RX	0x13059>,
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+			<MX6SX_PAD_SD3_DATA5__UART3_DCE_TX	0x13059>,
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+			<MX6SX_PAD_SD3_DATA6__UART3_DCE_RTS	0x13059>,
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+			<MX6SX_PAD_SD3_DATA7__UART3_DCE_CTS	0x13059>;
277254 	};
278255 
279256 	pinctrl_uart5: uart5grp {
280257 		fsl,pins =
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-			<MX6SX_PAD_SD4_DATA4__UART5_RX		0x1b0b1>,
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-			<MX6SX_PAD_SD4_DATA5__UART5_TX		0x1b0b1>;
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+			<MX6SX_PAD_SD4_DATA4__UART5_DCE_RX	0x1b0b1>,
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+			<MX6SX_PAD_SD4_DATA5__UART5_DCE_TX	0x1b0b1>;
283260 	};
284261 
285262 	pinctrl_uart6: uart6grp {
....@@ -288,10 +265,10 @@
288265 			<MX6SX_PAD_CSI_DATA01__UART6_DSR_B	0x1b0b1>,
289266 			<MX6SX_PAD_CSI_DATA02__UART6_DTR_B	0x1b0b1>,
290267 			<MX6SX_PAD_CSI_DATA03__UART6_DCD_B	0x1b0b1>,
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-			<MX6SX_PAD_CSI_DATA04__UART6_RX		0x1b0b1>,
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-			<MX6SX_PAD_CSI_DATA05__UART6_TX		0x1b0b1>,
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-			<MX6SX_PAD_CSI_DATA06__UART6_RTS_B	0x1b0b1>,
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-			<MX6SX_PAD_CSI_DATA07__UART6_CTS_B	0x1b0b1>;
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+			<MX6SX_PAD_CSI_DATA04__UART6_DCE_RX	0x1b0b1>,
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+			<MX6SX_PAD_CSI_DATA05__UART6_DCE_TX	0x1b0b1>,
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+			<MX6SX_PAD_CSI_DATA06__UART6_DCE_RTS	0x1b0b1>,
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+			<MX6SX_PAD_CSI_DATA07__UART6_DCE_CTS	0x1b0b1>;
295272 	};
296273 
297274 	pinctrl_otg1_reg: otg1grp {
....@@ -354,11 +331,19 @@
354331 	status = "disabled";
355332 };
356333 
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-&uart3 { /* Bluetooth */
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+&uart3 { /* Bluetooth - only on Extended/Full versions */
358335 	pinctrl-names = "default";
359336 	pinctrl-0 = <&pinctrl_uart3>;
360337 	uart-has-rtscts;
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-	status = "okay";
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+	status = "disabled";
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+
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+	bluetooth {
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+		compatible = "ti,wl1831-st";
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+		enable-gpios = <&gpio2 17 GPIO_ACTIVE_HIGH>;
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+		pinctrl-names = "default";
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+		pinctrl-0 = <&pinctrl_bt_reg>;
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+		max-speed = <921600>;
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+	};
362347 };
363348 
364349 /* Arduino serial */