Unverified Commit 714a80ce authored by Frank Wunderlich's avatar Frank Wunderlich Committed by AngeloGioacchino Del Regno
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arm64: dts: mediatek: mt7988a-bpi-r4: Add dt overlays for sd + emmc 



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: default avatarFrank Wunderlich <frank-w@public-files.de>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20241217091238.16032-14-linux@fw-web.de


Signed-off-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
parent 6e647bee

arch/arm64/boot/dts/mediatek/Makefile

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@@ -22,6 +22,8 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-sd.dtbo 
dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-rfb.dtb

dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986b-rfb.dtb

dtb-$(CONFIG_ARCH_MEDIATEK) += mt7988a-bananapi-bpi-r4.dtb

dtb-$(CONFIG_ARCH_MEDIATEK) += mt7988a-bananapi-bpi-r4-emmc.dtbo

dtb-$(CONFIG_ARCH_MEDIATEK) += mt7988a-bananapi-bpi-r4-sd.dtbo

dtb-$(CONFIG_ARCH_MEDIATEK) += mt8167-pumpkin.dtb

dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-elm.dtb

dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-elm-hana.dtb
@@ -104,3 +106,4 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8516-pumpkin.dtb 
# Device tree overlays support

DTC_FLAGS_mt7986a-bananapi-bpi-r3 := -@

DTC_FLAGS_mt7986a-bananapi-bpi-r3-mini := -@

DTC_FLAGS_mt7988a-bananapi-bpi-r4 := -@

arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-emmc.dtso

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// SPDX-License-Identifier: (GPL-2.0 OR MIT)

/*

 * Copyright (C) 2021 MediaTek Inc.

 * Author: Frank Wunderlich <frank-w@public-files.de>

 */



/dts-v1/;

/plugin/;



/ {

	compatible = "bananapi,bpi-r4", "mediatek,mt7988a";

};



&{/soc/mmc@11230000} {

	pinctrl-names = "default", "state_uhs";

	pinctrl-0 = <&mmc0_pins_emmc_51>;

	pinctrl-1 = <&mmc0_pins_emmc_51>;

	bus-width = <8>;

	max-frequency = <200000000>;

	cap-mmc-highspeed;

	mmc-hs200-1_8v;

	mmc-hs400-1_8v;

	hs400-ds-delay = <0x12814>;

	vqmmc-supply = <&reg_1p8v>;

	vmmc-supply = <&reg_3p3v>;

	non-removable;

	no-sd;

	no-sdio;

	#address-cells = <1>;

	#size-cells = <0>;

	status = "okay";

};

arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-sd.dtso

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// SPDX-License-Identifier: (GPL-2.0 OR MIT)

/*

 * Copyright (C) 2023 MediaTek Inc.

 * Author: Frank Wunderlich <frank-w@public-files.de>

 */



/dts-v1/;

/plugin/;



#include <dt-bindings/gpio/gpio.h>



/ {

	compatible = "bananapi,bpi-r4", "mediatek,mt7988a";

};



&{/soc/mmc@11230000} {

	pinctrl-names = "default", "state_uhs";

	pinctrl-0 = <&mmc0_pins_sdcard>;

	pinctrl-1 = <&mmc0_pins_sdcard>;

	cd-gpios = <&pio 12 GPIO_ACTIVE_LOW>;

	bus-width = <4>;

	max-frequency = <52000000>;

	cap-sd-highspeed;

	vmmc-supply = <&reg_3p3v>;

	vqmmc-supply = <&reg_3p3v>;

	no-mmc;

	#address-cells = <1>;

	#size-cells = <0>;

	status = "okay";

};