Enable and properly configure the MMC0/1 controllers to add support
for the eMMC and MicroSD slot (respectively) found on this board.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
.../dts/mediatek/mt8395-radxa-nio-12l.dts | 128 ++++++++++++++++++
1 file changed, 128 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts b/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts
index 3b8880db49ff..8492cf52413f 100644
--- a/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8395-radxa-nio-12l.dts
@@ -276,6 +276,44 @@ mt6360_ldo7: ldo7 {
};
};
+/* MMC0 Controller: eMMC (HS400). Power lines are shared with UFS! */
+&mmc0 {
+ pinctrl-names = "default", "state_uhs";
+ pinctrl-0 = <&mmc0_default_pins>;
+ pinctrl-1 = <&mmc0_uhs_pins>;
+ bus-width = <8>;
+ max-frequency = <200000000>;
+ hs400-ds-delay = <0x14c11>;
+ cap-mmc-highspeed;
+ cap-mmc-hw-reset;
+ mmc-hs200-1_8v;
+ mmc-hs400-1_8v;
+ no-sdio;
+ no-sd;
+ non-removable;
+ vmmc-supply = <&mt6359_vemc_1_ldo_reg>;
+ vqmmc-supply = <&mt6359_vufs_ldo_reg>;
+ status = "okay";
+};
+
+/* MMC1 Controller: MicroSD card slot */
+&mmc1 {
+ pinctrl-names = "default", "state_uhs";
+ pinctrl-0 = <&mmc1_default_pins>, <&mmc1_pins_detect>;
+ pinctrl-1 = <&mmc1_default_pins>;
+ bus-width = <4>;
+ max-frequency = <200000000>;
+ cap-sd-highspeed;
+ cd-gpios = <&pio 129 GPIO_ACTIVE_LOW>;
+ no-mmc;
+ no-sdio;
+ sd-uhs-sdr50;
+ sd-uhs-sdr104;
+ vmmc-supply = <&mt6360_ldo5>;
+ vqmmc-supply = <&mt6360_ldo3>;
+ status = "okay";
+};
+
&mt6359_vaud18_ldo_reg {
regulator-always-on;
};
@@ -427,6 +465,96 @@ pins {
};
};
+ mmc0_default_pins: mmc0-default-pins {
+ pins-clk {
+ pinmux = <PINMUX_GPIO122__FUNC_MSDC0_CLK>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ drive-strength = <6>;
+ };
+
+ 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>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ drive-strength = <6>;
+ input-enable;
+ };
+
+ pins-rst {
+ pinmux = <PINMUX_GPIO120__FUNC_MSDC0_RSTB>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ drive-strength = <6>;
+ };
+ };
+
+ mmc0_uhs_pins: mmc0-uhs-pins {
+ pins-clk {
+ pinmux = <PINMUX_GPIO122__FUNC_MSDC0_CLK>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ drive-strength = <8>;
+ };
+
+ 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>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ drive-strength = <8>;
+ input-enable;
+ };
+
+ pins-ds {
+ pinmux = <PINMUX_GPIO127__FUNC_MSDC0_DSL>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ drive-strength = <8>;
+ };
+
+ pins-rst {
+ pinmux = <PINMUX_GPIO120__FUNC_MSDC0_RSTB>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ drive-strength = <8>;
+ };
+ };
+
+ mmc1_default_pins: mmc1-default-pins {
+ pins-clk {
+ pinmux = <PINMUX_GPIO111__FUNC_MSDC1_CLK>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ drive-strength = <8>;
+ };
+
+ pins-cmd-dat {
+ pinmux = <PINMUX_GPIO110__FUNC_MSDC1_CMD>,
+ <PINMUX_GPIO112__FUNC_MSDC1_DAT0>,
+ <PINMUX_GPIO113__FUNC_MSDC1_DAT1>,
+ <PINMUX_GPIO114__FUNC_MSDC1_DAT2>,
+ <PINMUX_GPIO115__FUNC_MSDC1_DAT3>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ drive-strength = <8>;
+ input-enable;
+ };
+ };
+
+ mmc1_pins_detect: mmc1-detect-pins {
+ pins-insert {
+ pinmux = <PINMUX_GPIO129__FUNC_GPIO129>;
+ bias-pull-up;
+ };
+ };
+
mt6360_pins: mt6360-pins {
pins-irq {
pinmux = <PINMUX_GPIO100__FUNC_GPIO100>,
--
2.43.0
