From: Haibo Chen <haibo.chen@xxxxxxx>
Add the sdio wifi support on imx8mm-evk board.
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..41f9453c5a3f 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,sdio-async-interrupt-enabled;
+ 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
