From: Sherry Sun <sherry.sun@xxxxxxx> Enable usdhc1 which is used for wifi. Signed-off-by: Sherry Sun <sherry.sun@xxxxxxx> Signed-off-by: Peng Fan <peng.fan@xxxxxxx> --- arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 23 +++++++++++ arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 39 +++++++++++++++++++ 2 files changed, 62 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts index a2b24d4d4e3e..898735965ac9 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts @@ -15,6 +15,17 @@ / { aliases { spi0 = &flexspi; }; + + reg_sd1_vmmc: sd1_regulator { + compatible = "regulator-fixed"; + regulator-name = "WLAN_EN"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&gpio2 10 GPIO_ACTIVE_HIGH>; + off-on-delay-us = <20000>; + startup-delay-us = <100>; + enable-active-high; + }; }; &ddrc { @@ -53,6 +64,18 @@ flash@0 { }; }; +&usdhc1 { + pinctrl-names = "default", "state_100mhz", "state_200mhz"; + pinctrl-0 = <&pinctrl_usdhc1>, <&pinctrl_usdhc1_gpio>; + pinctrl-1 = <&pinctrl_usdhc1_100mhz>, <&pinctrl_usdhc1_gpio>; + pinctrl-2 = <&pinctrl_usdhc1_200mhz>, <&pinctrl_usdhc1_gpio>; + bus-width = <4>; + vmmc-supply = <®_sd1_vmmc>; + keep-power-in-suspend; + non-removable; + status = "okay"; +}; + &usdhc3 { assigned-clocks = <&clk IMX8MM_CLK_USDHC3_ROOT>; assigned-clock-rates = <400000000>; diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi index 7d6317d95b13..ce450965e837 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi @@ -559,6 +559,45 @@ MX8MM_IOMUXC_UART2_TXD_UART2_DCE_TX 0x140 >; }; + pinctrl_usdhc1_gpio: usdhc1grpgpio { + fsl,pins = < + MX8MM_IOMUXC_SD1_RESET_B_GPIO2_IO10 0x41 + >; + }; + + pinctrl_usdhc1: usdhc1grp { + fsl,pins = < + MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x190 + MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d0 + MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d0 + MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d0 + MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d0 + MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d0 + >; + }; + + pinctrl_usdhc1_100mhz: usdhc1grp100mhz { + fsl,pins = < + MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x194 + MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d4 + MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d4 + MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d4 + MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d4 + MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d4 + >; + }; + + pinctrl_usdhc1_200mhz: usdhc1grp200mhz { + fsl,pins = < + MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x196 + MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d6 + MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d6 + MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d6 + MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d6 + MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d6 + >; + }; + pinctrl_usdhc2_gpio: usdhc2grpgpiogrp { fsl,pins = < MX8MM_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x1c4 -- 2.37.1