Commit 513b49d1 authored by Sam Shih's avatar Sam Shih Committed by Matthias Brugger
Browse files

arm64: dts: mt7986: add mmc related device nodes 



This patch adds mmc support for MT7986.

Signed-off-by: default avatarSam Shih <sam.shih@mediatek.com>
Signed-off-by: default avatarFrank Wunderlich <frank-w@public-files.de>
Link: https://lore.kernel.org/r/20230106152845.88717-4-linux@fw-web.de


Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent e21cbfc3

arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts

+96 −0
Original line number Diff line number Diff line
@@ -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";

arch/arm64/boot/dts/mediatek/mt7986a.dtsi

+15 −0
Original line number Diff line number Diff line
@@ -346,6 +346,21 @@ 
			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";