rk3288-veyron-sdmmc.dtsi (1997B)
1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Google Veyron (and derivatives) fragment for sdmmc cards 4 * 5 * Copyright 2015 Google, Inc 6 */ 7 8&io_domains { 9 sdcard-supply = <&vccio_sd>; 10}; 11 12&pinctrl { 13 sdmmc { 14 /* 15 * We run sdmmc at max speed; bump up drive strength. 16 * We also have external pulls, so disable the internal ones. 17 */ 18 sdmmc_bus4: sdmmc-bus4 { 19 rockchip,pins = <6 RK_PC0 1 &pcfg_pull_none_drv_8ma>, 20 <6 RK_PC1 1 &pcfg_pull_none_drv_8ma>, 21 <6 RK_PC2 1 &pcfg_pull_none_drv_8ma>, 22 <6 RK_PC3 1 &pcfg_pull_none_drv_8ma>; 23 }; 24 25 sdmmc_clk: sdmmc-clk { 26 rockchip,pins = <6 RK_PC4 1 &pcfg_pull_none_drv_8ma>; 27 }; 28 29 sdmmc_cmd: sdmmc-cmd { 30 rockchip,pins = <6 RK_PC5 1 &pcfg_pull_none_drv_8ma>; 31 }; 32 33 /* 34 * Builtin CD line is hooked to ground to prevent JTAG at boot 35 * (and also to get the voltage rail correct). 36 * Configure gpio6_C6 as GPIO so dw_mmc builtin CD doesn't 37 * think there's a card inserted 38 */ 39 sdmmc_cd_disabled: sdmmc-cd-disabled { 40 rockchip,pins = <6 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>; 41 }; 42 43 /* This is where we actually hook up CD */ 44 sdmmc_cd_pin: sdmmc-cd-pin { 45 rockchip,pins = <7 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>; 46 }; 47 }; 48}; 49 50&rk808 { 51 vcc9-supply = <&vcc_5v>; 52 53 regulators { 54 vccio_sd: LDO_REG4 { 55 regulator-name = "vccio_sd"; 56 regulator-min-microvolt = <1800000>; 57 regulator-max-microvolt = <3300000>; 58 regulator-state-mem { 59 regulator-off-in-suspend; 60 }; 61 }; 62 63 vcc33_sd: LDO_REG5 { 64 regulator-name = "vcc33_sd"; 65 regulator-min-microvolt = <3300000>; 66 regulator-max-microvolt = <3300000>; 67 regulator-state-mem { 68 regulator-off-in-suspend; 69 }; 70 }; 71 }; 72}; 73 74&sdmmc { 75 status = "okay"; 76 77 bus-width = <4>; 78 cap-mmc-highspeed; 79 cap-sd-highspeed; 80 card-detect-delay = <200>; 81 cd-gpios = <&gpio7 RK_PA5 GPIO_ACTIVE_LOW>; 82 rockchip,default-sample-phase = <90>; 83 sd-uhs-sdr12; 84 sd-uhs-sdr25; 85 sd-uhs-sdr50; 86 sd-uhs-sdr104; 87 vmmc-supply = <&vcc33_sd>; 88 vqmmc-supply = <&vccio_sd>; 89};