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arm64: dts: mt7986: add mmc related device nodes

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This patch adds mmc support for MT7986.

Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Link: https://lore.kernel.org/r/20230106152845.88717-4-linux@fw-web.de
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
Sam Shih 2023-01-06 16:28:43 +01:00 committed by Matthias Brugger
parent e21cbfc3d9
commit 513b49d19b
2 changed files with 111 additions and 0 deletions
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96
arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
View File

@ -5,6 +5,8 @@
*/
/dts-v1/;
#include <dt-bindings/pinctrl/mt65xx.h>
#include "mt7986a.dtsi"
/ {
@ -23,6 +25,24 @@ memory@40000000 {
device_type = "memory";
reg = <0 0x40000000 0 0x40000000>;
};
reg_1p8v: regulator-1p8v {
compatible = "regulator-fixed";
regulator-name = "fixed-1.8V";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
regulator-always-on;
};
reg_3p3v: regulator-3p3v {
compatible = "regulator-fixed";
regulator-name = "fixed-3.3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
regulator-always-on;
};
};
&crypto {
@ -58,7 +78,83 @@ switch: switch@0 {
};
};
&mmc0 {
pinctrl-names = "default", "state_uhs";
pinctrl-0 = <&mmc0_pins_default>;
pinctrl-1 = <&mmc0_pins_uhs>;
bus-width = <8>;
max-frequency = <200000000>;
cap-mmc-highspeed;
mmc-hs200-1_8v;
mmc-hs400-1_8v;
hs400-ds-delay = <0x14014>;
vmmc-supply = <&reg_3p3v>;
vqmmc-supply = <&reg_1p8v>;
non-removable;
no-sd;
no-sdio;
status = "okay";
};
&pio {
mmc0_pins_default: mmc0-pins {
mux {
function = "emmc";
groups = "emmc_51";
};
conf-cmd-dat {
pins = "EMMC_DATA_0", "EMMC_DATA_1", "EMMC_DATA_2",
"EMMC_DATA_3", "EMMC_DATA_4", "EMMC_DATA_5",
"EMMC_DATA_6", "EMMC_DATA_7", "EMMC_CMD";
input-enable;
drive-strength = <4>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
};
conf-clk {
pins = "EMMC_CK";
drive-strength = <6>;
bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
};
conf-ds {
pins = "EMMC_DSL";
bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
};
conf-rst {
pins = "EMMC_RSTB";
drive-strength = <4>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
};
};
mmc0_pins_uhs: mmc0-uhs-pins {
mux {
function = "emmc";
groups = "emmc_51";
};
conf-cmd-dat {
pins = "EMMC_DATA_0", "EMMC_DATA_1", "EMMC_DATA_2",
"EMMC_DATA_3", "EMMC_DATA_4", "EMMC_DATA_5",
"EMMC_DATA_6", "EMMC_DATA_7", "EMMC_CMD";
input-enable;
drive-strength = <4>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
};
conf-clk {
pins = "EMMC_CK";
drive-strength = <6>;
bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
};
conf-ds {
pins = "EMMC_DSL";
bias-pull-down = <MTK_PUPD_SET_R1R0_10>; /* pull-down 50K */
};
conf-rst {
pins = "EMMC_RSTB";
drive-strength = <4>;
bias-pull-up = <MTK_PUPD_SET_R1R0_01>; /* pull-up 10K */
};
};
spi_flash_pins: spi-flash-pins {
mux {
function = "spi";

15
arch/arm64/boot/dts/mediatek/mt7986a.dtsi
View File

@ -346,6 +346,21 @@ ssusb: usb@11200000 {
status = "disabled";
};
mmc0: mmc@11230000 {
compatible = "mediatek,mt7986-mmc";
reg = <0 0x11230000 0 0x1000>,
<0 0x11c20000 0 0x1000>;
interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&topckgen CLK_TOP_EMMC_416M_SEL>,
<&infracfg CLK_INFRA_MSDC_HCK_CK>,
<&infracfg CLK_INFRA_MSDC_CK>,
<&infracfg CLK_INFRA_MSDC_133M_CK>,
<&infracfg CLK_INFRA_MSDC_66M_CK>;
clock-names = "source", "hclk", "source_cg", "bus_clk",
"sys_cg";
status = "disabled";
};
usb_phy: t-phy@11e10000 {
compatible = "mediatek,mt7986-tphy",
"mediatek,generic-tphy-v2";