rk3288-veyron-sdmmc.dtsi

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    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 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/rk3288-veyron-sdmmc.dtsi

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/rk3288-veyron-sdmmc.dtsi