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// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
* Copyright (C) 2023 DH electronics GmbH
*/
/*
* Special SoM configuration: SD card
*
* Enabled: Micro SD card on module or
* external SD card via DHCOM depends on hardware variant
* GPIO H and GPIO I will be available
* DHCOM UART2 will be available
* Disabled: WiFi and BT
*/
/*
* To use usdhc1 as SD card, the WiFi node must be deleted. The associated
* pwrseq node is also deleted in order to ensure that GPIO H is released.
* BT is also not available, so remove BT from the UART node.
*/
/delete-node/ &brcmf;
/delete-node/ &usdhc1_pwrseq;
/delete-node/ &bluetooth;
/ {
aliases {
mmc1 = &usdhc1;
serial0 = &uart1;
serial1 = &uart2;
serial2 = &uart3;
serial3 = &uart4;
serial4 = &uart5;
serial5 = &uart6;
};
reg_sd1_vmmc: regulator-sd1-vmmc {
compatible = "regulator-fixed";
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <3300000>;
regulator-name = "VSD_3V3";
};
};
/* Micro SD card on module or external SD card via DHCOM */
&usdhc1 {
/delete-property/ #address-cells;
/delete-property/ #size-cells;
/delete-property/ keep-power-in-suspend;
/delete-property/ mmc-pwrseq;
/delete-property/ non-removable;
/delete-property/ wakeup-source;
cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>;
no-1-8-v;
pinctrl-0 = <&pinctrl_usdhc1>;
pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
pinctrl-names = "default", "state_100mhz", "state_200mhz";
vmmc-supply = <®_sd1_vmmc>;
status = "okay";
};
&iomuxc {
pinctrl_usdhc1: usdhc1-grp {
fsl,pins = <
MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x17059
MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x10059
MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17059
MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17059
MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17059
MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x17059
MX6UL_PAD_UART1_RTS_B__GPIO1_IO19 0x120b0 /* SD1 CD */
>;
};
pinctrl_usdhc1_100mhz: usdhc1-100mhz-grp {
fsl,pins = <
MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170b9
MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100b9
MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170b9
MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170b9
MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170b9
MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170b9
MX6UL_PAD_UART1_RTS_B__GPIO1_IO19 0x120b0 /* SD1 CD */
>;
};
pinctrl_usdhc1_200mhz: usdhc1-200mhz-grp {
fsl,pins = <
MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170f9
MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100f9
MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170f9
MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170f9
MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170f9
MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170f9
MX6UL_PAD_UART1_RTS_B__GPIO1_IO19 0x120b0 /* SD1 CD */
>;
};
};
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