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714a80ced0
Bananapi R4 can use the mmc controller either with sd card or the onboard emmc. The used device is selected through hardware-switches and probed in bootloader. Add devicetree overlays for both mmc configurations. Signed-off-by: Frank Wunderlich <frank-w@public-files.de> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/20241217091238.16032-14-linux@fw-web.de Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
34 lines
646 B
Plaintext
34 lines
646 B
Plaintext
// SPDX-License-Identifier: (GPL-2.0 OR MIT)
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/*
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* Copyright (C) 2021 MediaTek Inc.
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* Author: Frank Wunderlich <frank-w@public-files.de>
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*/
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/dts-v1/;
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/plugin/;
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/ {
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compatible = "bananapi,bpi-r4", "mediatek,mt7988a";
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};
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&{/soc/mmc@11230000} {
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pinctrl-names = "default", "state_uhs";
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pinctrl-0 = <&mmc0_pins_emmc_51>;
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pinctrl-1 = <&mmc0_pins_emmc_51>;
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bus-width = <8>;
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max-frequency = <200000000>;
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cap-mmc-highspeed;
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mmc-hs200-1_8v;
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mmc-hs400-1_8v;
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hs400-ds-delay = <0x12814>;
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vqmmc-supply = <®_1p8v>;
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vmmc-supply = <®_3p3v>;
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non-removable;
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no-sd;
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no-sdio;
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#address-cells = <1>;
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#size-cells = <0>;
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status = "okay";
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};
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