| // 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. |
| * BT is also not available, so remove BT from the UART node. |
| */ |
| /delete-node/ &brcmf; |
| /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 */ |
| >; |
| }; |
| }; |