From c1744e9e75a6a8abc7c893f349bcbf725b9c0d74 Mon Sep 17 00:00:00 2001 From: Sam Shih Date: Fri, 6 Jan 2023 16:28:43 +0100 Subject: [PATCH 08/19] arm64: dts: mt7986: add mmc related device nodes This patch adds mmc support for MT7986. Signed-off-by: Sam Shih Signed-off-by: Frank Wunderlich Link: https://lore.kernel.org/r/20230106152845.88717-4-linux@fw-web.de Signed-off-by: Matthias Brugger --- arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts | 96 ++++++++++++++++++++ arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 15 +++ 2 files changed, 111 insertions(+) --- 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 + #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 = <®_3p3v>; + vqmmc-supply = <®_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 = ; /* pull-up 10K */ + }; + conf-clk { + pins = "EMMC_CK"; + drive-strength = <6>; + bias-pull-down = ; /* pull-down 50K */ + }; + conf-ds { + pins = "EMMC_DSL"; + bias-pull-down = ; /* pull-down 50K */ + }; + conf-rst { + pins = "EMMC_RSTB"; + drive-strength = <4>; + bias-pull-up = ; /* 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 = ; /* pull-up 10K */ + }; + conf-clk { + pins = "EMMC_CK"; + drive-strength = <6>; + bias-pull-down = ; /* pull-down 50K */ + }; + conf-ds { + pins = "EMMC_DSL"; + bias-pull-down = ; /* pull-down 50K */ + }; + conf-rst { + pins = "EMMC_RSTB"; + drive-strength = <4>; + bias-pull-up = ; /* pull-up 10K */ + }; + }; + spi_flash_pins: spi-flash-pins { mux { function = "spi"; --- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi @@ -345,6 +345,21 @@ status = "disabled"; }; + mmc0: mmc@11230000 { + compatible = "mediatek,mt7986-mmc"; + reg = <0 0x11230000 0 0x1000>, + <0 0x11c20000 0 0x1000>; + interrupts = ; + 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";