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-rw-r--r--arch/arm/boot/dts/imx7d-nitrogen7.dts9
-rw-r--r--arch/arm/boot/dts/imx7d-pico.dtsi22
2 files changed, 28 insertions, 3 deletions
diff --git a/arch/arm/boot/dts/imx7d-nitrogen7.dts b/arch/arm/boot/dts/imx7d-nitrogen7.dts
index d8aac4a2d02a..177d21fdeb28 100644
--- a/arch/arm/boot/dts/imx7d-nitrogen7.dts
+++ b/arch/arm/boot/dts/imx7d-nitrogen7.dts
@@ -86,13 +86,17 @@
compatible = "regulator-fixed";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
- clocks = <&clks IMX7D_CLKO2_ROOT_DIV>;
- clock-names = "slow";
regulator-name = "reg_wlan";
startup-delay-us = <70000>;
gpio = <&gpio4 21 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
+
+ usdhc2_pwrseq: usdhc2_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ clocks = <&clks IMX7D_CLKO2_ROOT_DIV>;
+ clock-names = "ext_clock";
+ };
};
&adc1 {
@@ -375,6 +379,7 @@
bus-width = <4>;
non-removable;
vmmc-supply = <&reg_wlan>;
+ mmc-pwrseq = <&usdhc2_pwrseq>;
cap-power-off-card;
keep-power-in-suspend;
status = "okay";
diff --git a/arch/arm/boot/dts/imx7d-pico.dtsi b/arch/arm/boot/dts/imx7d-pico.dtsi
index 21973eb55671..f27b3849d3ff 100644
--- a/arch/arm/boot/dts/imx7d-pico.dtsi
+++ b/arch/arm/boot/dts/imx7d-pico.dtsi
@@ -100,6 +100,19 @@
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
+
+ usdhc2_pwrseq: usdhc2_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ clocks = <&clks IMX7D_CLKO2_ROOT_DIV>;
+ clock-names = "ext_clock";
+ };
+};
+
+&clks {
+ assigned-clocks = <&clks IMX7D_CLKO2_ROOT_SRC>,
+ <&clks IMX7D_CLKO2_ROOT_DIV>;
+ assigned-clock-parents = <&clks IMX7D_CKIL>;
+ assigned-clock-rates = <0>, <32768>;
};
&i2c4 {
@@ -199,12 +212,13 @@
&usdhc2 { /* Wifi SDIO */
pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_usdhc2>;
+ pinctrl-0 = <&pinctrl_usdhc2 &pinctrl_wifi_clk>;
no-1-8-v;
non-removable;
keep-power-in-suspend;
wakeup-source;
vmmc-supply = <&reg_ap6212>;
+ mmc-pwrseq = <&usdhc2_pwrseq>;
status = "okay";
};
@@ -301,6 +315,12 @@
};
&iomuxc_lpsr {
+ pinctrl_wifi_clk: wificlkgrp {
+ fsl,pins = <
+ MX7D_PAD_LPSR_GPIO1_IO03__CCM_CLKO2 0x7d
+ >;
+ };
+
pinctrl_wdog: wdoggrp {
fsl,pins = <
MX7D_PAD_LPSR_GPIO1_IO00__WDOG1_WDOG_B 0x74