[PATCH v3 09/17] arm64: dts: mediatek: add mmc support for mt8365-evk

Alexandre Mergnat
2023-03-29T08:55:39Z

- Add EMMC support on mmc0 (internal memory)
- Add SD-UHS support on mmc1 (external memory)

Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
---
arch/arm64/boot/dts/mediatek/mt8365-evk.dts | 138 ++++++++++++++++++++++++++++
1 file changed, 138 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
index 2f88562c638a..b5d018686cbe 100644
--- a/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8365-evk.dts
@@ -97,6 +97,42 @@ &i2c0 {
#size-cells = <0>;
};

+&mmc0 {
+ pinctrl-names = "default", "state_uhs";
+ pinctrl-0 = <&mmc0_default_pins>;
+ pinctrl-1 = <&mmc0_uhs_pins>;
+ bus-width = <8>;
+ max-frequency = <200000000>;
+ cap-mmc-highspeed;
+ mmc-hs200-1_8v;
+ mmc-hs400-1_8v;
+ cap-mmc-hw-reset;
+ no-sdio;
+ no-sd;
+ hs400-ds-delay = <0x12012>;
+ vmmc-supply = <&mt6357_vemc_reg>;
+ vqmmc-supply = <&mt6357_vio18_reg>;
+ assigned-clocks = <&topckgen CLK_TOP_MSDC50_0_SEL>;
+ assigned-clock-parents = <&topckgen CLK_TOP_MSDCPLL>;
+ non-removable;
+ status = "okay";
+};
+
+&mmc1 {
+ pinctrl-names = "default", "state_uhs";
+ pinctrl-0 = <&mmc1_default_pins>;
+ pinctrl-1 = <&mmc1_uhs_pins>;
+ cd-gpios = <&pio 76 GPIO_ACTIVE_LOW>;
+ bus-width = <4>;
+ max-frequency = <200000000>;
+ cap-sd-highspeed;
+ sd-uhs-sdr50;
+ sd-uhs-sdr104;
+ vmmc-supply = <&mt6357_vmch_reg>;
+ vqmmc-supply = <&mt6357_vio18_reg>;
+ status = "okay";
+};
+
&mt6357_pmic {
interrupt-parent = <&pio>;
interrupts = <145 IRQ_TYPE_LEVEL_HIGH>;
@@ -123,6 +159,108 @@ pins {
};
};

+ mmc0_default_pins: mmc0-default-pins {
+ clk-pins {
+ pinmux = <MT8365_PIN_99_MSDC0_CLK__FUNC_MSDC0_CLK>;
+ bias-pull-down;
+ };
+
+ cmd-dat-pins {
+ pinmux = <MT8365_PIN_103_MSDC0_DAT0__FUNC_MSDC0_DAT0>,
+ <MT8365_PIN_102_MSDC0_DAT1__FUNC_MSDC0_DAT1>,
+ <MT8365_PIN_101_MSDC0_DAT2__FUNC_MSDC0_DAT2>,
+ <MT8365_PIN_100_MSDC0_DAT3__FUNC_MSDC0_DAT3>,
+ <MT8365_PIN_96_MSDC0_DAT4__FUNC_MSDC0_DAT4>,
+ <MT8365_PIN_95_MSDC0_DAT5__FUNC_MSDC0_DAT5>,
+ <MT8365_PIN_94_MSDC0_DAT6__FUNC_MSDC0_DAT6>,
+ <MT8365_PIN_93_MSDC0_DAT7__FUNC_MSDC0_DAT7>,
+ <MT8365_PIN_98_MSDC0_CMD__FUNC_MSDC0_CMD>;
+ input-enable;
+ bias-pull-up;
+ };
+
+ rst-pins {
+ pinmux = <MT8365_PIN_97_MSDC0_RSTB__FUNC_MSDC0_RSTB>;
+ bias-pull-up;
+ };
+ };
+
+ mmc0_uhs_pins: mmc0-uhs-pins {
+ clk-pins {
+ pinmux = <MT8365_PIN_99_MSDC0_CLK__FUNC_MSDC0_CLK>;
+ drive-strength = <MTK_DRIVE_10mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ };
+
+ cmd-dat-pins {
+ pinmux = <MT8365_PIN_103_MSDC0_DAT0__FUNC_MSDC0_DAT0>,
+ <MT8365_PIN_102_MSDC0_DAT1__FUNC_MSDC0_DAT1>,
+ <MT8365_PIN_101_MSDC0_DAT2__FUNC_MSDC0_DAT2>,
+ <MT8365_PIN_100_MSDC0_DAT3__FUNC_MSDC0_DAT3>,
+ <MT8365_PIN_96_MSDC0_DAT4__FUNC_MSDC0_DAT4>,
+ <MT8365_PIN_95_MSDC0_DAT5__FUNC_MSDC0_DAT5>,
+ <MT8365_PIN_94_MSDC0_DAT6__FUNC_MSDC0_DAT6>,
+ <MT8365_PIN_93_MSDC0_DAT7__FUNC_MSDC0_DAT7>,
+ <MT8365_PIN_98_MSDC0_CMD__FUNC_MSDC0_CMD>;
+ input-enable;
+ drive-strength = <MTK_DRIVE_10mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ };
+
+ ds-pins {
+ pinmux = <MT8365_PIN_104_MSDC0_DSL__FUNC_MSDC0_DSL>;
+ drive-strength = <MTK_DRIVE_10mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ };
+
+ rst-pins {
+ pinmux = <MT8365_PIN_97_MSDC0_RSTB__FUNC_MSDC0_RSTB>;
+ drive-strength = <MTK_DRIVE_10mA>;
+ bias-pull-up;
+ };
+ };
+
+ mmc1_default_pins: mmc1-default-pins {
+ cd-pins {
+ pinmux = <MT8365_PIN_76_CMDAT8__FUNC_GPIO76>;
+ bias-pull-up;
+ };
+
+ clk-pins {
+ pinmux = <MT8365_PIN_88_MSDC1_CLK__FUNC_MSDC1_CLK>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ };
+
+ cmd-dat-pins {
+ pinmux = <MT8365_PIN_89_MSDC1_DAT0__FUNC_MSDC1_DAT0>,
+ <MT8365_PIN_90_MSDC1_DAT1__FUNC_MSDC1_DAT1>,
+ <MT8365_PIN_91_MSDC1_DAT2__FUNC_MSDC1_DAT2>,
+ <MT8365_PIN_92_MSDC1_DAT3__FUNC_MSDC1_DAT3>,
+ <MT8365_PIN_87_MSDC1_CMD__FUNC_MSDC1_CMD>;
+ input-enable;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ };
+ };
+
+ mmc1_uhs_pins: mmc1-uhs-pins {
+ clk-pins {
+ pinmux = <MT8365_PIN_88_MSDC1_CLK__FUNC_MSDC1_CLK>;
+ drive-strength = <MTK_DRIVE_8mA>;
+ bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
+ };
+
+ cmd-dat-pins {
+ pinmux = <MT8365_PIN_89_MSDC1_DAT0__FUNC_MSDC1_DAT0>,
+ <MT8365_PIN_90_MSDC1_DAT1__FUNC_MSDC1_DAT1>,
+ <MT8365_PIN_91_MSDC1_DAT2__FUNC_MSDC1_DAT2>,
+ <MT8365_PIN_92_MSDC1_DAT3__FUNC_MSDC1_DAT3>,
+ <MT8365_PIN_87_MSDC1_CMD__FUNC_MSDC1_CMD>;
+ input-enable;
+ drive-strength = <MTK_DRIVE_6mA>;
+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
+ };
+ };
+
uart0_pins: uart0-pins {
pins {
pinmux = <MT8365_PIN_35_URXD0__FUNC_URXD0>,

--
2.25.1