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arm: dts: mt8371: add SD card nodes

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Add SD card nodes to the MT8371 Genio common and MT8189 SoC device tree
files. This is coming from what has been submitted upstream in Linux
[1]. The process is going slow, so we a copy in U-Boot until we can
switch to CONFIG_OF_UPSTREAM.

Link: https://lore.kernel.org/linux-mediatek/20251203-add-mediatek-genio-520-720-evk-v1-0-df794b2a30ae@collabora.com/ [1]
Reviewed-by: Julien Stephan <jstephan@baylibre.com>
Link: https://patch.msgid.link/20260316-mtk-ext-mmc-boot-v1-1-1aae51a44705@baylibre.com
Signed-off-by: David Lechner <dlechner@baylibre.com>
This commit is contained in:
David Lechner
2026-03-16 16:55:14 -05:00
parent ed53a7b2a6
commit 34b43ab5e1
2 changed files with 79 additions and 0 deletions
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12
arch/arm/dts/mt8189.dtsi
View File

@@ -191,6 +191,18 @@
status = "disabled";
};
mmc1: mmc@11240000 {
compatible = "mediatek,mt8189-mmc";
reg = <0 0x11240000 0 0x1000>,
<0 0x11d80000 0 0x1000>;
clocks = <&topckgen_clk CLK_TOP_MSDC30_1_SEL>,
<&pericfg_ao_clk CLK_PERAO_MSDC1_H>,
<&pericfg_ao_clk CLK_PERAO_MSDC1>;
clock-names = "source", "hclk", "source_cg";
interrupts = <GIC_SPI 388 IRQ_TYPE_LEVEL_HIGH 0>;
status = "disabled";
};
clock-controller@1000c000 {
compatible = "mediatek,mt8189-apmixedsys", "syscon";
reg = <0 0x1000c000 0 0x1000>;

67
arch/arm/dts/mt8371-genio-common.dtsi
View File

@@ -4,6 +4,8 @@
* Author: Macpaul Lin <macpaul.lin@mediatek.com>
*/
#include <dt-bindings/gpio/gpio.h>
#include "mt8189.dtsi"
#include "mt8189-pinfunc.h"
#include "mt6359.dtsi"
@@ -94,6 +96,23 @@
status = "okay";
};
&mmc1 {
bus-width = <4>;
cap-sd-highspeed;
cd-gpios = <&pio 2 GPIO_ACTIVE_HIGH>;
max-frequency = <200000000>;
no-mmc;
no-sdio;
sd-uhs-sdr50;
sd-uhs-sdr104;
pinctrl-names = "default", "state_uhs";
pinctrl-0 = <&mmc1_default_pins>;
pinctrl-1 = <&mmc1_uhs_pins>;
vmmc-supply = <&mt6359_vpa_buck_reg>;
vqmmc-supply = <&mt6359_vsim1_ldo_reg>;
status = "okay";
};
&mt6359_vufs_ldo_reg {
regulator-always-on;
};
@@ -162,6 +181,54 @@
};
};
mmc1_default_pins: mmc1-default-pins {
pins-clk {
pinmux = <PINMUX_GPIO169__FUNC_MSDC1_CLK>;
drive-strength = <6>;
bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
};
pins-cmd-dat {
pinmux = <PINMUX_GPIO170__FUNC_MSDC1_DAT0>,
<PINMUX_GPIO171__FUNC_MSDC1_DAT1>,
<PINMUX_GPIO172__FUNC_MSDC1_DAT2>,
<PINMUX_GPIO173__FUNC_MSDC1_DAT3>,
<PINMUX_GPIO168__FUNC_MSDC1_CMD>;
input-enable;
drive-strength = <6>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
};
pins-insert {
pinmux = <PINMUX_GPIO2__FUNC_GPIO2>;
bias-pull-up;
};
};
mmc1_uhs_pins: mmc1-uhs-pins {
pins-clk {
pinmux = <PINMUX_GPIO169__FUNC_MSDC1_CLK>;
drive-strength = <8>;
bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
};
pins-cmd-dat {
pinmux = <PINMUX_GPIO170__FUNC_MSDC1_DAT0>,
<PINMUX_GPIO171__FUNC_MSDC1_DAT1>,
<PINMUX_GPIO172__FUNC_MSDC1_DAT2>,
<PINMUX_GPIO173__FUNC_MSDC1_DAT3>,
<PINMUX_GPIO168__FUNC_MSDC1_CMD>;
input-enable;
drive-strength = <8>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
};
pins-insert {
pinmux = <PINMUX_GPIO2__FUNC_GPIO2>;
bias-pull-up;
};
};
uart0_pins: uart0-pins {
pins {
pinmux = <PINMUX_GPIO31__FUNC_UTXD0>,