ARM64: dts: meson-gxbb: Add P20x Wifi SDIO support

Add Wifi module support on the Amlogic P20x boards on the SDIO port.
The Wifi module also needs a 32768Hz clock provided by the PWM E port
through a pwm-clock node in it's power sequence.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
index 6861b0a..203be28 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
@@ -118,6 +118,13 @@
                clock-frequency = <32768>;
                pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
        };
+
+       sdio_pwrseq: sdio-pwrseq {
+               compatible = "mmc-pwrseq-simple";
+               reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
+               clocks = <&wifi32k>;
+               clock-names = "ext_clock";
+       };
 };
 
 /* This UART is brought out to the DB9 connector */
@@ -171,8 +178,15 @@
        non-removable;
        disable-wp;
 
+       mmc-pwrseq = <&sdio_pwrseq>;
+
        vmmc-supply = <&vddao_3v3>;
        vqmmc-supply = <&vddio_boot>;
+
+       brcmf: bcrmf@1 {
+               reg = <1>;
+               compatible = "brcm,bcm4329-fmac";
+       };
 };
 
 /* SD card */