ARM64: dts: meson-axg: enable AP6255 wifi module

The Meson-AXG S400 board is shipped with AP6255 wifi module,
which is actually using the brcmfmac 43455 driver.

Signed-off-by: Yixun Lan <yixun.lan@amlogic.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
index 6b6581c..b3e1bdc 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
@@ -48,6 +48,20 @@
                compatible = "mmc-pwrseq-emmc";
                reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
        };
+
+       sdio_pwrseq: sdio-pwrseq {
+               compatible = "mmc-pwrseq-simple";
+               reset-gpios = <&gpio GPIOX_7 GPIO_ACTIVE_LOW>;
+               clocks = <&wifi32k>;
+               clock-names = "ext_clock";
+       };
+
+       wifi32k: wifi32k {
+               compatible = "pwm-clock";
+               #clock-cells = <0>;
+               clock-frequency = <32768>;
+               pwms = <&pwm_ab 0 30518 0>; /* PWM_A at 32.768KHz */
+       };
 };
 
 &ethmac {
@@ -81,6 +95,12 @@
        pinctrl-names = "default";
 };
 
+&pwm_ab {
+       status = "okay";
+       pinctrl-0 = <&pwm_a_x20_pins>;
+       pinctrl-names = "default";
+};
+
 /* emmc storage */
 &sd_emmc_c {
        status = "okay";
@@ -100,3 +120,30 @@
        vmmc-supply = <&vcc_3v3>;
        vqmmc-supply = <&vddio_boot>;
 };
+
+/* wifi module */
+&sd_emmc_b {
+       status = "okay";
+       #address-cells = <1>;
+       #size-cells = <0>;
+
+       pinctrl-0 = <&sdio_pins>;
+       pinctrl-1 = <&sdio_clk_gate_pins>;
+       pinctrl-names = "default", "clk-gate";
+
+       bus-width = <4>;
+       cap-sd-highspeed;
+       max-frequency = <100000000>;
+       non-removable;
+       disable-wp;
+
+       mmc-pwrseq = <&sdio_pwrseq>;
+
+       vmmc-supply = <&vddao_3v3>;
+       vqmmc-supply = <&vddio_boot>;
+
+       brcmf: wifi@1 {
+               reg = <1>;
+               compatible = "brcm,bcm4329-fmac";
+       };
+};