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authorSam Shih <sam.shih@mediatek.com>2023-01-06 18:28:43 +0300
committerMatthias Brugger <matthias.bgg@gmail.com>2023-01-13 16:12:35 +0300
commit513b49d19b34cf7bec4bc0e6284df2aa9007e88d (patch)
treec7c41bb2042318d981d33f4b7a64e93f7cfd1a5b /arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
parente21cbfc3d93177069260552b4706ba8def759030 (diff)
downloadlinux-513b49d19b34cf7bec4bc0e6284df2aa9007e88d.tar.xz
arm64: dts: mt7986: add mmc related device nodes
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>
Diffstat (limited to 'arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts')
-rw-r--r--arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts96
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
index 58089fcf4d16..c7a2ac764a30 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
@@ -5,6 +5,8 @@
*/
/dts-v1/;
+#include <dt-bindings/pinctrl/mt65xx.h>
+
#include "mt7986a.dtsi"
/ {
@@ -23,6 +25,24 @@
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 @@
};
};
+&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";