ARM: dts: imx7d-pico: Describe the Wifi clock

[linux.git] / arch / arm / boot / dts / imx7d-pico.dtsi

diff --git a/arch/arm/boot/dts/imx7d-pico.dtsi b/arch/arm/boot/dts/imx7d-pico.dtsi
index 21973eb55671920148e25e6a6b0e1c469093bc8e..f27b3849d3ff3ed91d7e2d504206c4c8a7d8045b 100644 (file)
--- a/arch/arm/boot/dts/imx7d-pico.dtsi
+++ b/arch/arm/boot/dts/imx7d-pico.dtsi
@@ -100,6 +100,19 @@ reg_vref_1v8: regulator-vref-1v8 {
                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 @@ vgen6_reg: vldo4 {
 
 &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 @@ MX7D_PAD_SD3_DATA7__SD3_DATA7              0x5b
 };
 
 &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