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