diff options
| author | Frank Wunderlich <frank-w@public-files.de> | 2024-12-17 12:12:27 +0300 |
|---|---|---|
| committer | AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> | 2025-01-07 15:11:46 +0300 |
| commit | 714a80ced07ac495513153840169a0d3b107d294 (patch) | |
| tree | 7ad6a21eb4d5efee67c65705b3667d7e20416865 | |
| parent | 6e647beeb22124c5407b06037caa2cc7556dc0c3 (diff) | |
| download | linux-714a80ced07ac495513153840169a0d3b107d294.tar.xz | |
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: 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>
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-emmc.dtso | 33 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-sd.dtso | 31 |
3 files changed, 67 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile index 8d638976a2af..2d2805119943 100644 --- a/arch/arm64/boot/dts/mediatek/Makefile +++ b/arch/arm64/boot/dts/mediatek/Makefile @@ -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 := -@ diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-emmc.dtso b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-emmc.dtso new file mode 100644 index 000000000000..3e320b2f83d5 --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-emmc.dtso @@ -0,0 +1,33 @@ +// 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 = <®_1p8v>; + vmmc-supply = <®_3p3v>; + non-removable; + no-sd; + no-sdio; + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; +}; + diff --git a/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-sd.dtso b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-sd.dtso new file mode 100644 index 000000000000..663c6345dd31 --- /dev/null +++ b/arch/arm64/boot/dts/mediatek/mt7988a-bananapi-bpi-r4-sd.dtso @@ -0,0 +1,31 @@ +// 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 = <®_3p3v>; + vqmmc-supply = <®_3p3v>; + no-mmc; + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; +}; + |