Re: [PATCH] ARM64: dts: meson-axg: enable AP6255 wifi module

From: Kevin Hilman
Date: Fri Apr 27 2018 - 15:09:44 EST


Yixun Lan <yixun.lan@xxxxxxxxxxx> writes:

> 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@xxxxxxxxxxx>
> ---
> .../arm64/boot/dts/amlogic/meson-axg-s400.dts | 44 ++++++++++++++++++-
> 1 file changed, 43 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
> index f67d4e47e641..b3e1bdca32bb 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
> @@ -51,7 +51,16 @@
>
> sdio_pwrseq: sdio-pwrseq {
> compatible = "mmc-pwrseq-simple";
> - reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
> + reset-gpios = <&gpio GPIOX_7 GPIO_ACTIVE_LOW>;

You didn't mention this GPIO change in the changelog. Is it
intentional?

Kevin

> + 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 */
> };
> };
>
> @@ -86,6 +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";
> @@ -105,3 +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";
> + };
> +};