// SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * Google Veyron (and derivatives) fragment for sdmmc cards * * Copyright 2015 Google, Inc */ &io_domains { sdcard-supply = <&vccio_sd>; }; &pinctrl { sdmmc { /* * We run sdmmc at max speed; bump up drive strength. * We also have external pulls, so disable the internal ones. */ sdmmc_bus4: sdmmc-bus4 { rockchip,pins = <6 16 RK_FUNC_1 &pcfg_pull_none_drv_8ma>, <6 17 RK_FUNC_1 &pcfg_pull_none_drv_8ma>, <6 18 RK_FUNC_1 &pcfg_pull_none_drv_8ma>, <6 19 RK_FUNC_1 &pcfg_pull_none_drv_8ma>; }; sdmmc_clk: sdmmc-clk { rockchip,pins = <6 20 RK_FUNC_1 &pcfg_pull_none_drv_8ma>; }; sdmmc_cmd: sdmmc-cmd { rockchip,pins = <6 21 RK_FUNC_1 &pcfg_pull_none_drv_8ma>; }; /* * Builtin CD line is hooked to ground to prevent JTAG at boot * (and also to get the voltage rail correct). * Configure gpio6_C6 as GPIO so dw_mmc builtin CD doesn't * think there's a card inserted */ sdmmc_cd_disabled: sdmmc-cd-disabled { rockchip,pins = <6 22 RK_FUNC_GPIO &pcfg_pull_none>; }; /* This is where we actually hook up CD */ sdmmc_cd_gpio: sdmmc-cd-gpio { rockchip,pins = <7 5 RK_FUNC_GPIO &pcfg_pull_none>; }; }; }; &rk808 { vcc9-supply = <&vcc_5v>; regulators { vccio_sd: LDO_REG4 { regulator-name = "vccio_sd"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; regulator-state-mem { regulator-off-in-suspend; }; }; vcc33_sd: LDO_REG5 { regulator-name = "vcc33_sd"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-state-mem { regulator-off-in-suspend; }; }; }; }; &sdmmc { status = "okay"; bus-width = <4>; cap-mmc-highspeed; cap-sd-highspeed; card-detect-delay = <200>; cd-gpios = <&gpio7 RK_PA5 GPIO_ACTIVE_LOW>; rockchip,default-sample-phase = <90>; sd-uhs-sdr12; sd-uhs-sdr25; sd-uhs-sdr50; sd-uhs-sdr104; vmmc-supply = <&vcc33_sd>; vqmmc-supply = <&vccio_sd>; };