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arm64: dts: mediatek: cherry: Add support for internal eMMC storage

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Add mtk-sd controller and pin configuration to enable the internal
eMMC storage: now it is possible to mount a rootfs located at the
internal storage.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Link: https://lore.kernel.org/r/20220704101321.44835-6-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
AngeloGioacchino Del Regno 2022-07-04 12:13:15 +02:00 committed by Matthias Brugger
parent 9e0565069b
commit 4d38070807
1 changed files with 87 additions and 0 deletions
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87
arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
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@ -9,6 +9,7 @@
/ {
aliases {
mmc0 = &mmc0;
serial0 = &uart0;
};
@ -89,6 +90,26 @@
};
};
&mmc0 {
status = "okay";
bus-width = <8>;
cap-mmc-highspeed;
cap-mmc-hw-reset;
hs400-ds-delay = <0x14c11>;
max-frequency = <200000000>;
mmc-hs200-1_8v;
mmc-hs400-1_8v;
no-sdio;
no-sd;
non-removable;
pinctrl-names = "default", "state_uhs";
pinctrl-0 = <&mmc0_pins_default>;
pinctrl-1 = <&mmc0_pins_uhs>;
vmmc-supply = <&mt6359_vemc_1_ldo_reg>;
vqmmc-supply = <&mt6359_vufs_ldo_reg>;
};
/* for CPU-L */
&mt6359_vcore_buck_reg {
regulator-always-on;
@ -125,6 +146,72 @@
regulator-always-on;
};
&pio {
mmc0_pins_default: mmc0-default-pins {
pins-cmd-dat {
pinmux = <PINMUX_GPIO126__FUNC_MSDC0_DAT0>,
<PINMUX_GPIO125__FUNC_MSDC0_DAT1>,
<PINMUX_GPIO124__FUNC_MSDC0_DAT2>,
<PINMUX_GPIO123__FUNC_MSDC0_DAT3>,
<PINMUX_GPIO119__FUNC_MSDC0_DAT4>,
<PINMUX_GPIO118__FUNC_MSDC0_DAT5>,
<PINMUX_GPIO117__FUNC_MSDC0_DAT6>,
<PINMUX_GPIO116__FUNC_MSDC0_DAT7>,
<PINMUX_GPIO121__FUNC_MSDC0_CMD>;
input-enable;
drive-strength = <6>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
};
pins-clk {
pinmux = <PINMUX_GPIO122__FUNC_MSDC0_CLK>;
drive-strength = <6>;
bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
};
pins-rst {
pinmux = <PINMUX_GPIO120__FUNC_MSDC0_RSTB>;
drive-strength = <6>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
};
};
mmc0_pins_uhs: mmc0-uhs-pins {
pins-cmd-dat {
pinmux = <PINMUX_GPIO126__FUNC_MSDC0_DAT0>,
<PINMUX_GPIO125__FUNC_MSDC0_DAT1>,
<PINMUX_GPIO124__FUNC_MSDC0_DAT2>,
<PINMUX_GPIO123__FUNC_MSDC0_DAT3>,
<PINMUX_GPIO119__FUNC_MSDC0_DAT4>,
<PINMUX_GPIO118__FUNC_MSDC0_DAT5>,
<PINMUX_GPIO117__FUNC_MSDC0_DAT6>,
<PINMUX_GPIO116__FUNC_MSDC0_DAT7>,
<PINMUX_GPIO121__FUNC_MSDC0_CMD>;
input-enable;
drive-strength = <8>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
};
pins-clk {
pinmux = <PINMUX_GPIO122__FUNC_MSDC0_CLK>;
drive-strength = <8>;
bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
};
pins-ds {
pinmux = <PINMUX_GPIO127__FUNC_MSDC0_DSL>;
drive-strength = <8>;
bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
};
pins-rst {
pinmux = <PINMUX_GPIO120__FUNC_MSDC0_RSTB>;
drive-strength = <8>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
};
};
};
&pmic {
interrupts-extended = <&pio 222 IRQ_TYPE_LEVEL_HIGH>;
};