| // 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 RK_PC0 1 &pcfg_pull_none_drv_8ma>, |
| <6 RK_PC1 1 &pcfg_pull_none_drv_8ma>, |
| <6 RK_PC2 1 &pcfg_pull_none_drv_8ma>, |
| <6 RK_PC3 1 &pcfg_pull_none_drv_8ma>; |
| }; |
| |
| sdmmc_clk: sdmmc-clk { |
| rockchip,pins = <6 RK_PC4 1 &pcfg_pull_none_drv_8ma>; |
| }; |
| |
| sdmmc_cmd: sdmmc-cmd { |
| rockchip,pins = <6 RK_PC5 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 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>; |
| }; |
| |
| /* This is where we actually hook up CD */ |
| sdmmc_cd_gpio: sdmmc-cd-gpio { |
| rockchip,pins = <7 RK_PA5 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>; |
| }; |
