Re: [PATCH] ARM: dts: warp: Add initial WaRP Board support

From: Shawn Guo
Date: Mon Mar 02 2015 - 22:29:59 EST

On Wed, Feb 25, 2015 at 02:02:19PM -0300, Otavio Salvador wrote:
> The WaRP Board is a Wearable Reference Plaform. The board features:
>
> - Freescale i.MX6 SoloLite processor with 512MB of RAM
> - Freescale FXOS8700CQ 6-axis Xtrinsic sensor
> - Freescale Kinetis KL16 MCU
> - Freescale Xtrinsic MMA955xL intelligent motion sensing platform
>
> The board implements a hybrid architecture to address the evolving
> needs of the wearables market. The platform consists of a main board
> and an example daughtercard with the ability to add additional
> daughtercards for different usage models.
>
> For more information about the project, visit:
>
> http://www.warpboard.org/
>
> Signed-off-by: Otavio Salvador <otavio@xxxxxxxxxxxxxxxx>

Pretty neat! Only one comment about dts license below.

> ---
> arch/arm/boot/dts/Makefile | 3 +-
> arch/arm/boot/dts/imx6sl-warp.dts | 154 ++++++++++++++++++++++++++++++++++++++
> 2 files changed, 156 insertions(+), 1 deletion(-)
> create mode 100644 arch/arm/boot/dts/imx6sl-warp.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index a1c776b..1b49d57 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -299,7 +299,8 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
> imx6q-wandboard.dtb \
> imx6q-wandboard-revb1.dtb
> dtb-$(CONFIG_SOC_IMX6SL) += \
> - imx6sl-evk.dtb
> + imx6sl-evk.dtb \
> + imx6sl-warp.dtb
> dtb-$(CONFIG_SOC_IMX6SX) += \
> imx6sx-sabreauto.dtb \
> imx6sx-sdb.dtb
> diff --git a/arch/arm/boot/dts/imx6sl-warp.dts b/arch/arm/boot/dts/imx6sl-warp.dts
> new file mode 100644
> index 0000000..dadb92f
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6sl-warp.dts
> @@ -0,0 +1,154 @@
> +/*
> + * Copyright 2014, 2015 O.S. Systems Software LTDA.
> + *
> + * The code contained herein is licensed under the GNU General Public
> + * License. You may obtain a copy of the GNU General Public License
> + * Version 2 or later at the following locations:
> + *
> + * http://www.opensource.org/licenses/gpl-license.html
> + * http://www.gnu.org/copyleft/gpl.html
> + */

It's preferred to use GPL/X11 dual license for new dts files. See
arch/arm/boot/dts/imx6q-tbs2910.dts for example.

Shawn

> +
> +/dts-v1/;
> +
> +#include "imx6sl.dtsi"
> +
> +/ {
> + model = "WaRP Board";
> + compatible = "warp,imx6sl-warp", "fsl,imx6sl";
> +
> + memory {
> + reg = <0x80000000 0x20000000>;
> + };
> +
> + regulators {
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + reg_usb_otg1_vbus: regulator@0 {
> + compatible = "regulator-fixed";
> + reg = <0>;
> + regulator-name = "usb_otg1_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio4 0 0>;
> + enable-active-high;
> + };
> +
> + reg_usb_otg2_vbus: regulator@1 {
> + compatible = "regulator-fixed";
> + reg = <1>;
> + regulator-name = "usb_otg2_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio4 2 0>;
> + enable-active-high;
> + };
> +
> + reg_1p8v: regulator@2 {
> + compatible = "regulator-fixed";
> + reg = <2>;
> + regulator-name = "1P8V";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + };
> + };
> +};
> +
> +&uart1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart1>;
> + status = "okay";
> +};
> +
> +&uart3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart3>;
> + status = "okay";
> +};
> +
> +&usbotg1 {
> + vbus-supply = <&reg_usb_otg1_vbus>;
> + dr_mode = "host";
> + disable-over-current;
> + status = "okay";
> +};
> +
> +&usbotg2 {
> + vbus-supply = <&reg_usb_otg2_vbus>;
> + disable-over-current;
> + status = "okay";
> +};
> +
> +&usdhc2 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc2>;
> + pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
> + non-removable;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + imx6sl-warp {
> + pinctrl_uart1: uart1grp {
> + fsl,pins = <
> + MX6SL_PAD_UART1_RXD__UART1_RX_DATA 0x41b0b1
> + MX6SL_PAD_UART1_TXD__UART1_TX_DATA 0x41b0b1
> + >;
> + };
> +
> + pinctrl_uart3: uart3grp {
> + fsl,pins = <
> + MX6SL_PAD_AUD_RXC__UART3_RX_DATA 0x41b0b1
> + MX6SL_PAD_AUD_RXC__UART3_TX_DATA 0x41b0b1
> + >;
> + };
> +
> + pinctrl_usdhc2: usdhc2grp {
> + fsl,pins = <
> + MX6SL_PAD_SD2_CMD__SD2_CMD 0x417059
> + MX6SL_PAD_SD2_CLK__SD2_CLK 0x410059
> + MX6SL_PAD_SD2_DAT0__SD2_DATA0 0x417059
> + MX6SL_PAD_SD2_DAT1__SD2_DATA1 0x417059
> + MX6SL_PAD_SD2_DAT2__SD2_DATA2 0x417059
> + MX6SL_PAD_SD2_DAT3__SD2_DATA3 0x417059
> + MX6SL_PAD_SD2_DAT4__SD2_DATA4 0x417059
> + MX6SL_PAD_SD2_DAT5__SD2_DATA5 0x417059
> + MX6SL_PAD_SD2_DAT6__SD2_DATA6 0x417059
> + MX6SL_PAD_SD2_DAT7__SD2_DATA7 0x417059
> + >;
> + };
> +
> + pinctrl_usdhc2_100mhz: usdhc2grp100mhz {
> + fsl,pins = <
> + MX6SL_PAD_SD2_CMD__SD2_CMD 0x4170b9
> + MX6SL_PAD_SD2_CLK__SD2_CLK 0x4100b9
> + MX6SL_PAD_SD2_DAT0__SD2_DATA0 0x4170b9
> + MX6SL_PAD_SD2_DAT1__SD2_DATA1 0x4170b9
> + MX6SL_PAD_SD2_DAT2__SD2_DATA2 0x4170b9
> + MX6SL_PAD_SD2_DAT3__SD2_DATA3 0x4170b9
> + MX6SL_PAD_SD2_DAT4__SD2_DATA4 0x4170b9
> + MX6SL_PAD_SD2_DAT5__SD2_DATA5 0x4170b9
> + MX6SL_PAD_SD2_DAT6__SD2_DATA6 0x4170b9
> + MX6SL_PAD_SD2_DAT7__SD2_DATA7 0x4170b9
> + >;
> + };
> +
> + pinctrl_usdhc2_200mhz: usdhc2grp200mhz {
> + fsl,pins = <
> + MX6SL_PAD_SD2_CMD__SD2_CMD 0x4170f9
> + MX6SL_PAD_SD2_CLK__SD2_CLK 0x4100f9
> + MX6SL_PAD_SD2_DAT0__SD2_DATA0 0x4170f9
> + MX6SL_PAD_SD2_DAT1__SD2_DATA1 0x4170f9
> + MX6SL_PAD_SD2_DAT2__SD2_DATA2 0x4170f9
> + MX6SL_PAD_SD2_DAT3__SD2_DATA3 0x4170f9
> + MX6SL_PAD_SD2_DAT4__SD2_DATA4 0x4170f9
> + MX6SL_PAD_SD2_DAT5__SD2_DATA5 0x4170f9
> + MX6SL_PAD_SD2_DAT6__SD2_DATA6 0x4170f9
> + MX6SL_PAD_SD2_DAT7__SD2_DATA7 0x4170f9
> + >;
> + };
> + };
> +};
> --
> 2.1.4
>
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