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linux-next/arch/arm/boot/dts/imx6qdl-colibri-v1_1-uhs.dtsi

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ARM: dts: colibri: introduce device trees with UHS-I support 1. Introduce dtsi with overlay configuration for enabling UHS-I for Colibri iMX6S/DL V1.1x re-design. 2. Introduce new dts for the Colibri iMX6S/DL V1.1x on Colibri Evaluation Carrier Board V3.x. However, disable 1.8V for the Colibri Evaluation Board since this carrier board has 3.3V pull-ups on. 3. Provide proper configuration for VGEN3, which allows that rail to be automatically switched to 1.8 volts for proper UHS-I operation mode. Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-03-16 22:33:45 +08:00
// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
* Copyright 2020 Toradex
*/
&iomuxc {
pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
fsl,pins = <
MX6QDL_PAD_SD1_CMD__SD1_CMD 0x170b1
MX6QDL_PAD_SD1_CLK__SD1_CLK 0x100b1
MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x170b1
MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x170b1
MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x170b1
MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x170b1
>;
};
pinctrl_usdhc1_200mhz: usdhc1grp200mhz {
fsl,pins = <
MX6QDL_PAD_SD1_CMD__SD1_CMD 0x170f1
MX6QDL_PAD_SD1_CLK__SD1_CLK 0x100f1
MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x170f1
MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x170f1
MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x170f1
MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x170f1
>;
};
};
/* Colibri MMC */
&usdhc1 {
pinctrl-names = "default", "state_100mhz", "state_200mhz";
pinctrl-0 = <&pinctrl_usdhc1 &pinctrl_mmc_cd>;
pinctrl-1 = <&pinctrl_usdhc1_100mhz &pinctrl_mmc_cd>;
pinctrl-2 = <&pinctrl_usdhc1_200mhz &pinctrl_mmc_cd>;
vmmc-supply = <&reg_module_3v3>;
vqmmc-supply = <&vgen3_reg>;
wakeup-source;
keep-power-in-suspend;
sd-uhs-sdr12;
sd-uhs-sdr25;
sd-uhs-sdr50;
sd-uhs-sdr104;
};
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