bindings/mmc/mmc-pwrseq-emmc.yaml

1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/mmc/mmc-pwrseq-emmc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10   - Ulf Hansson <ulf.hansson@linaro.org>
15   performed just after MMC core enabled power to the given mmc host (to
16   fix possible issues if bootloader has left eMMC card in initialized or
19   doesn't have hardware reset logic connected to emmc card and (limited or
21   card if the card is left in unknown or already initialized state.
25     const: mmc-pwrseq-emmc
27   reset-gpios:
31       and then deasserted to perform eMMC card reset. To perform
36   - compatible
37   - reset-gpios
42   - |
43     #include <dt-bindings/gpio/gpio.h>
45       compatible = "mmc-pwrseq-emmc";
46       reset-gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;