1// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause 2/* 3 * Copyright (C) 2023 DH electronics GmbH 4 */ 5 6/* 7 * Special SoM configuration: SD card 8 * 9 * Enabled: Micro SD card on module or 10 * external SD card via DHCOM depends on hardware variant 11 * GPIO H and GPIO I will be available 12 * DHCOM UART2 will be available 13 * Disabled: WiFi and BT 14 */ 15 16/* 17 * To use usdhc1 as SD card, the WiFi node must be deleted. 18 * BT is also not available, so remove BT from the UART node. 19 */ 20/delete-node/ &brcmf; 21/delete-node/ &bluetooth; 22 23/ { 24 aliases { 25 mmc1 = &usdhc1; 26 serial0 = &uart1; 27 serial1 = &uart2; 28 serial2 = &uart3; 29 serial3 = &uart4; 30 serial4 = &uart5; 31 serial5 = &uart6; 32 }; 33 34 reg_sd1_vmmc: regulator-sd1-vmmc { 35 compatible = "regulator-fixed"; 36 regulator-max-microvolt = <3300000>; 37 regulator-min-microvolt = <3300000>; 38 regulator-name = "VSD_3V3"; 39 }; 40}; 41 42/* Micro SD card on module or external SD card via DHCOM */ 43&usdhc1 { 44 /delete-property/ #address-cells; 45 /delete-property/ #size-cells; 46 /delete-property/ keep-power-in-suspend; 47 /delete-property/ mmc-pwrseq; 48 /delete-property/ non-removable; 49 /delete-property/ wakeup-source; 50 cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>; 51 no-1-8-v; 52 pinctrl-0 = <&pinctrl_usdhc1>; 53 pinctrl-1 = <&pinctrl_usdhc1_100mhz>; 54 pinctrl-2 = <&pinctrl_usdhc1_200mhz>; 55 pinctrl-names = "default", "state_100mhz", "state_200mhz"; 56 vmmc-supply = <®_sd1_vmmc>; 57 status = "okay"; 58}; 59 60&iomuxc { 61 pinctrl_usdhc1: usdhc1-grp { 62 fsl,pins = < 63 MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x17059 64 MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x10059 65 MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17059 66 MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17059 67 MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17059 68 MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x17059 69 MX6UL_PAD_UART1_RTS_B__GPIO1_IO19 0x120b0 /* SD1 CD */ 70 >; 71 }; 72 73 pinctrl_usdhc1_100mhz: usdhc1-100mhz-grp { 74 fsl,pins = < 75 MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170b9 76 MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100b9 77 MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170b9 78 MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170b9 79 MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170b9 80 MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170b9 81 MX6UL_PAD_UART1_RTS_B__GPIO1_IO19 0x120b0 /* SD1 CD */ 82 83 >; 84 }; 85 86 pinctrl_usdhc1_200mhz: usdhc1-200mhz-grp { 87 fsl,pins = < 88 MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170f9 89 MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100f9 90 MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170f9 91 MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170f9 92 MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170f9 93 MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170f9 94 MX6UL_PAD_UART1_RTS_B__GPIO1_IO19 0x120b0 /* SD1 CD */ 95 >; 96 }; 97}; 98