Hi Lukasz,
In addition to Sascha's comments:
On Fri, Mar 2, 2018 at 9:17 AM, Lukasz Majewski <lukma@xxxxxxx> wrote:
> diff --git a/arch/arm/boot/dts/imx6q-kp-tpc.dts b/arch/arm/boot/dts/imx6q-kp-tpc.dts
> new file mode 100644
> index 000000000000..955462e778c9
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6q-kp-tpc.dts
> @@ -0,0 +1,84 @@
> +/*
> + * Copyright 2018
> + * Lukasz Majewski, DENX Software Engineering, lukma@xxxxxxx
> + *
> + * 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 licensed under the terms of the GNU General Public
> + * License version 2. This program is licensed "as is" without
> + * any warranty of any kind, whether express or implied.
> + *
> + * 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 "AS IS", 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.
> + */
> +
Please consider using SPDX tag instead.
> +/dts-v1/;
> +
> +#include "imx6q-kp.dtsi"
> +
> +/ {
> + model = "Freescale i.MX6 Quad K+P TPC Board";
> + compatible = "fsl,imx6q-tpc", "fsl,imx6q";
Use the board manufacturer symbol instead.
If needed, add an entry for the vendor at
Documentation/devicetree/bindings/vendor-prefixes.txt
> +};
> +
> +&lcd_display {
> + display-timings {
> + 800x480x60 {
> + clock-frequency = <34209000>;
> + hactive = <800>;
> + vactive = <480>;
> + hback-porch = <85>;
> + hfront-porch = <15>;
> + vback-porch = <34>;
> + vfront-porch = <10>;
> + hsync-len = <28>;
> + vsync-len = <1>;
> + hsync-active = <1>;
> + vsync-active = <1>;
> + de-active = <1>;
> + };
> + };
> +};
We prefer to use a compatible panel entry instead of keeping the panel
timings inside the dts.
> +
> +&ipu1_di0_disp0 {
> + remote-endpoint = <&lcd_display_in>;
> +};
> +
> +&can1 {
> + status = "disabled";
> +};
> +
> +&can2 {
> + status = "disabled";
> +};
> +
> +&uart1 {
> + status = "okay";
> +};
> +
> +&uart2 {
> + status = "disabled";
> +};
> diff --git a/arch/arm/boot/dts/imx6q-kp.dtsi b/arch/arm/boot/dts/imx6q-kp.dtsi
> new file mode 100644
> index 000000000000..47a10fb1d46b
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6q-kp.dtsi
> @@ -0,0 +1,468 @@
> +/*
> + * Copyright 2018
> + * Lukasz Majewski, DENX Software Engineering, lukma@xxxxxxx
> + *
> + * 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 licensed under the terms of the GNU General Public
> + * License version 2. This program is licensed "as is" without
> + * any warranty of any kind, whether express or implied.
> + *
> + * 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 "AS IS", 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.
> + */
SPDX, please.
> + leds {
> + compatible = "gpio-leds";
> +
> + green {
> + label = "led1";
> + gpios = <&gpio3 16 0>;
gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "gpio";
> + default-state = "off";
> + };
> +
> + red {
> + label = "led0";
> + gpios = <&gpio3 23 0>;
GPIO_ACTIVE_HIGH
> + linux,default-trigger = "gpio";
> + default-state = "off";
> + };
> + };
> +
> + memory: memory {
> + reg = <0x10000000 0x40000000>;
> + };
memory@10000000 otherwise warnings are seen when building with W=1.
Make sure that building the dtb with W=1 introduces no warnings.
> +&i2c1 {
> + clock-frequency = <400000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c1>;
> + status = "okay";
> +
> + goodix_ts@5d {
> + compatible = "goodix,gt911";
> + reg = <0x5d>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ts>;
> +
No need for these blank lines.
> + interrupt-parent = <&gpio1>;
> + interrupts = <9 2>;
Please use an IRQ flag.
> + irq-gpios = <&gpio1 9 0>;
GPIO_ACTIVE_HIGH
> + reset-gpios = <&gpio5 2 0>;
GPIO_ACTIVE_HIGH.
> +&i2c2 {
> + clock-frequency = <400000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c2>;
> + status = "okay";
> +
> + codec: sgtl5000@a {
> + compatible = "fsl,sgtl5000";
> + #sound-dai-cells = <0>;
> + reg = <0x0a>;
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_codec>;
> +
No need for these blank lines.
> + clocks = <&clks IMX6QDL_CLK_CKO>;
> + VDDA-supply = <®_3p3v>;
> + VDDIO-supply = <®_3p3v>;
> +&uart2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart2>;
> + fsl,uart-has-rtscts;
fsl,uart-has-rtscts has been deprecated. Please use uart-has-rtscts instead.
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