From: Haibo Chen <haibo.chen@xxxxxxx> Add the sdio wifi support on imx8mm-evk board. Disable auto tuning for this sdio wifi since it support sdio interrupt. Signed-off-by: Haibo Chen <haibo.chen@xxxxxxx> --- arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 20 ++++++++++ arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 39 +++++++++++++++++++ 2 files changed, 59 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts index 4e2820d19244..07a28b6e00be 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts @@ -15,6 +15,13 @@ aliases { spi0 = &flexspi; }; + + usdhc1_pwrseq: usdhc1_pwrseq { + compatible = "mmc-pwrseq-simple"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usdhc1_gpio>; + reset-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>; + }; }; &ddrc { @@ -53,6 +60,19 @@ }; }; +&usdhc1 { + pinctrl-names = "default", "state_100mhz", "state_200mhz"; + pinctrl-0 = <&pinctrl_usdhc1>; + pinctrl-1 = <&pinctrl_usdhc1_100mhz>; + pinctrl-2 = <&pinctrl_usdhc1_200mhz>; + bus-width = <4>; + keep-power-in-suspend; + mmc-pwrseq = <&usdhc1_pwrseq>; + fsl,broken-auto-tuning; + 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 e033d0257b5a..ca623078d937 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi @@ -440,6 +440,45 @@ >; }; + pinctrl_usdhc1_gpio: usdhc1grpgpiogrp { + 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 -- 2.17.1