[PATCH v6 4/7] ARM: dts: imx: Add support for Advantech/GE Bx50v3

Akshay Bhat akshay.bhat at timesys.com
Thu Jan 28 10:26:28 PST 2016 


On 01/28/2016 01:12 AM, Shawn Guo wrote:
> On Wed, Dec 23, 2015 at 05:00:13PM -0500, Akshay Bhat wrote:
>> From: Justin Waters <justin.waters at timesys.com>
>>
>> Advantech has 3 carrier boards (B450v3, B650v3, B850v3) which use
>> the Advantech BA-16 module (based on iMX6D). This file has the
>> devicetree entries that are common to all 3 boards.
>>
>> Signed-off-by: Akshay Bhat <akshay.bhat at timesys.com>
>> ---
>>   arch/arm/boot/dts/imx6q-bx50v3.dtsi | 237 ++++++++++++++++++++++++++++++++++++
>>   1 file changed, 237 insertions(+)
>>   create mode 100644 arch/arm/boot/dts/imx6q-bx50v3.dtsi
>>
>> diff --git a/arch/arm/boot/dts/imx6q-bx50v3.dtsi b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
>> new file mode 100644
>> index 0000000..1eaf0ce
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
>> @@ -0,0 +1,237 @@
>> +/*
>> + * Copyright 2015 Timesys Corporation.
>> + * Copyright 2015 General Electric Company
>> + *
>> + * This file is dual-licensed: you can use it either under the terms
>> + * of the GPL or the X11 license, at your option. Note that this dual
>> + * licensing only applies to this file, and not this project as a
>> + * whole.
>> + *
>> + *  a) This file 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.
>> + *
>> + *     This file is distributed in the hope that it will be useful
>> + *     but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>> + *     GNU General Public License for more details.
>> + *
>> + * Or, alternatively
>> + *
>> + *  b) Permission is hereby granted, free of charge, to any person
>> + *     obtaining a copy of this software and associated documentation
>> + *     files (the "Software"), to deal in the Software without
>> + *     restriction, including without limitation the rights to use
>> + *     copy, modify, merge, publish, distribute, sublicense, and/or
>> + *     sell copies of the Software, and to permit persons to whom the
>> + *     Software is furnished to do so, subject to the following
>> + *     conditions:
>> + *
>> + *     The above copyright notice and this permission notice shall be
>> + *     included in all copies or substantial portions of the Software.
>> + *
>> + *     THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND
>> + *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
>> + *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
>> + *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
>> + *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
>> + *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
>> + *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
>> + *     OTHER DEALINGS IN THE SOFTWARE.
>> + */
>> +
>> +#include "imx6q-ba16.dtsi"
>> +
>> +/ {
>> +	clocks {
>> +		#address-cells = <1>;
>> +		#size-cells = <0>;
>
> Have a new line between properties and sub-node.

Will fix this.

>
>> +		mclk: clock at 0 {
>> +			compatible = "fixed-clock";
>> +			reg = <0>;
>> +			#clock-cells = <0>;
>> +			clock-frequency = <22000000>;
>> +		};
>
> So it's using a different clock naming schema from clk24m in
> imx6q-ba16.dtsi.  In any case, they should be consistent.
>
>> +	};
>> +
>> +	reg_wl18xx_vmmc: regulator-wl18xx_vmmc {
>
> As a convention, hyphen instead of underscore should be used in node
> name.  Actually less hyphen form like regulator-wl18xxvmmc or
> regulator-wl18xx looks better to me.
>
Will fix this.

>> +		compatible = "regulator-fixed";
>> +		regulator-name = "vwl1807";
>> +		regulator-min-microvolt = <3300000>;
>> +		regulator-max-microvolt = <3300000>;
>> +		gpio = <&pca9539 3 GPIO_ACTIVE_HIGH>;
>> +		startup-delay-us = <70000>;
>> +		enable-active-high;
>> +	};
>> +
>> +	reg_wlan: regulator-wlan {
>> +		compatible = "regulator-fixed";
>> +		regulator-name = "3P3V_wlan";
>> +		regulator-min-microvolt = <3300000>;
>> +		regulator-max-microvolt = <3300000>;
>> +		regulator-always-on;
>> +		regulator-boot-on;
>> +		gpio = <&gpio6 14 GPIO_ACTIVE_HIGH>;
>> +	};
>> +
>> +	sound {
>> +		compatible = "fsl,imx6q-ba16-sgtl5000",
>> +			     "fsl,imx-audio-sgtl5000";
>> +		model = "imx6q-ba16-sgtl5000";
>> +		ssi-controller = <&ssi1>;
>> +		audio-codec = <&codec>;
>> +		audio-routing =
>> +			"MIC_IN", "Mic Jack",
>> +			"Mic Jack", "Mic Bias",
>> +			"LINE_IN", "Line In Jack",
>> +			"Headphone Jack", "HP_OUT";
>> +		mux-int-port = <1>;
>> +		mux-ext-port = <4>;
>> +	};
>> +};
>> +
>> +&ecspi5 {
>> +	fsl,spi-num-chipselects = <1>;
>> +	cs-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&pinctrl_ecspi5>;
>> +	status = "okay";
>> +
>> +	m25_eeprom: m25p80 at 0 {
>> +		compatible = "atmel,at25";
>> +		spi-max-frequency = <20000000>;
>> +		size = <0x8000>;
>> +		pagesize = <64>;
>> +		reg = <0>;
>> +		address-width = <16>;
>> +	};
>> +};
>> +
>> +&i2c1 {
>> +	pca9547: mux at 70 {
>> +		compatible = "nxp,pca9547";
>> +		reg = <0x70>;
>> +		#address-cells = <1>;
>> +		#size-cells = <0>;
>> +
>> +		mux_i2c3: i2c at 0 {
>
> How are these mux_i2c labels named?  Where are mux_i2c1 and mux_i2c2?
>
Agree that the naming is confusing. Since i2c0/i2c1/i2c2 maps to the 
processor, idea was to continue the naming convention starting at 
mux_i2c3. I will change it in the next version of patch: mux1_i2c1 to 
mux1_i2c8 in imx6q-bx50v3.dtsi and mux2_i2c1 to mux2_i2c8 in 
imx6q-b850v3.dts.

>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			reg = <0x0>;
>> +
>> +			ads7830: ads7830 at 48 {
>> +				compatible = "ti,ads7830";
>> +				reg = <0x48>;
>> +			};
>> +
>> +			mma8453: mma8453 at 1c {
>> +				compatible = "fsl,mma8453";
>> +				reg = <0x1c>;
>> +			};
>> +		};
>> +
>> +		mux_i2c4: i2c at 1 {
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			reg = <0x1>;
>> +
>> +			eeprom: eeprom at 50 {
>> +				compatible = "atmel,24c08";
>> +				reg = <0x50>;
>> +			};
>> +
>> +			mpl3115: mpl3115 at 60 {
>> +				compatible = "fsl,mpl3115";
>> +				reg = <0x60>;
>> +			};
>> +		};
>> +
>> +		mux_i2c5: i2c at 2 {
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			reg = <0x2>;
>> +		};
>> +
>> +		mux_i2c6: i2c at 3 {
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			reg = <0x3>;
>> +
>> +			codec: sgtl5000 at 0a {
>> +				compatible = "fsl,sgtl5000";
>> +				reg = <0x0a>;
>> +				clocks = <&mclk>;
>> +				VDDA-supply = <&reg_1p8v>;
>> +				VDDIO-supply = <&reg_3p3v>;
>> +			};
>> +		};
>> +
>> +		mux_i2c7: i2c at 4 {
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			reg = <0x4>;
>> +
>> +			pca9539: pca9539 at 74 {
>> +				compatible = "nxp,pca9539";
>> +				reg = <0x74>;
>> +				gpio-controller;
>> +				#gpio-cells = <2>;
>> +				interrupt-controller;
>> +				interrupt-parent = <&gpio2>;
>> +				interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
>> +			};
>> +		};
>> +
>> +		mux_i2c8: i2c at 5 {
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			reg = <0x5>;
>> +
>> +			igb at 49 {
>> +				compatible = "intel,igb";
>> +				reg = <0x49>;
>> +			};
>> +
>> +			igb at 61 {
>> +				compatible = "intel,igb";
>> +				reg = <0x61>;
>> +			};
>> +		};
>> +
>> +		mux_i2c9: i2c at 6 {
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			reg = <0x6>;
>> +		};
>> +
>> +		mux_i2c10: i2c at 7 {
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +			reg = <0x7>;
>> +		};
>> +	};
>> +};
>> +
>> +&usdhc4 {
>> +	pinctrl-names = "default";
>> +	pinctrl-0 = <&pinctrl_usdhc4>;
>> +	bus-width = <4>;
>> +	vmmc-supply = <&reg_wl18xx_vmmc>;
>> +	no-1-8-v;
>> +	non-removable;
>> +	enable-sdio-wakeup;
>
> wakeup-source
>
> Shawn
>
Will fix this

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