From: Vishal Mahaveer <vishalm@xxxxxx>
Add support for WLAN using wilink8 module. On dra76-evm, MMC4 is
used for connecting to wilink8 module.
Signed-off-by: Vishal Mahaveer <vishalm@xxxxxx>
Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
---
arch/arm/boot/dts/dra76-evm.dts | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/arch/arm/boot/dts/dra76-evm.dts b/arch/arm/boot/dts/dra76-evm.dts
index 2deb96405d06..ad154c7b0632 100644
--- a/arch/arm/boot/dts/dra76-evm.dts
+++ b/arch/arm/boot/dts/dra76-evm.dts
@@ -42,6 +42,16 @@
regulator-boot-on;
};
+ vio_3v6: fixedregulator-vio_3v6 {
+ compatible = "regulator-fixed";
+ regulator-name = "vio_3v6";
+ regulator-min-microvolt = <3600000>;
+ regulator-max-microvolt = <3600000>;
+ vin-supply = <&vsys_5v0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
vsys_3v3: fixedregulator-vsys3v3 {
/* Output of Cntlr A of TPS43351-Q1 on dra76-evm */
compatible = "regulator-fixed";
@@ -81,6 +91,16 @@
vin-supply = <&smps5_reg>;
};
+ vmmcwl_fixed: fixedregulator-mmcwl {
+ compatible = "regulator-fixed";
+ regulator-name = "vmmcwl_fixed";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ gpio = <&gpio5 8 0>; /* gpio5_8 */
+ startup-delay-us = <70000>;
+ enable-active-high;
+ };
+
vtt_fixed: fixedregulator-vtt {
compatible = "regulator-fixed";
regulator-name = "vtt_fixed";
@@ -331,6 +351,17 @@
pinctrl-3 = <&mmc2_pins_hs200 &mmc2_iodelay_hs200_conf>;
};
+&mmc4 {
+ status = "okay";
+ vmmc-supply = <&vio_3v6>;
+ vqmmc-supply = <&vmmcwl_fixed>;
+ pinctrl-names = "default", "hs", "sdr12", "sdr25";
+ pinctrl-0 = <&mmc4_pins_hs &mmc4_iodelay_default_conf>;
+ pinctrl-1 = <&mmc4_pins_hs &mmc4_iodelay_manual1_conf>;
+ pinctrl-2 = <&mmc4_pins_hs &mmc4_iodelay_manual1_conf>;
+ pinctrl-3 = <&mmc4_pins_hs &mmc4_iodelay_manual1_conf>;
+};
+
/* No RTC on this device */
&rtc {
status = "disabled";
--
2.17.0
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