diff options
Diffstat (limited to 'arch/arm/boot/dts/imx6ull-dhcom-som-cfg-sdcard.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/imx6ull-dhcom-som-cfg-sdcard.dtsi | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6ull-dhcom-som-cfg-sdcard.dtsi b/arch/arm/boot/dts/imx6ull-dhcom-som-cfg-sdcard.dtsi new file mode 100644 index 000000000000..040421f9c970 --- /dev/null +++ b/arch/arm/boot/dts/imx6ull-dhcom-som-cfg-sdcard.dtsi @@ -0,0 +1,97 @@ +// 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 */ + >; + }; +}; |