[PATCH v2 2/2] arm64: dts: allwinner: a64: Add WiFi/BT header on SoPine
Chen-Yu Tsai
wens at csie.org
Sun Dec 22 09:19:50 PST 2024
On Fri, Dec 20, 2024 at 8:00 PM Peter Robinson <pbrobinson at gmail.com> wrote:
>
> This adds all the pin mappings on the WiFi/BT header on
> the SoPine baseboard/A64-LTS. They're disabled by default
> as the modules don't ship by default. This includes, where
> they haven't been already, UART1 for BT and mmc1 for WiFi.
>
> Signed-off-by: Peter Robinson <pbrobinson at gmail.com>
> ---
> .../allwinner/sun50i-a64-sopine-baseboard.dts | 24 +++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
> index be2347c8f267..752d2aae8465 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-sopine-baseboard.dts
> @@ -42,6 +42,11 @@ reg_vcc1v8: vcc1v8 {
> regulator-min-microvolt = <1800000>;
> regulator-max-microvolt = <1800000>;
> };
> +
> + wifi_pwrseq: pwrseq {
> + compatible = "mmc-pwrseq-simple";
> + reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */
> + };
> };
>
> &ac_power_supply {
> @@ -103,6 +108,17 @@ ext_rgmii_phy: ethernet-phy at 1 {
> };
> };
>
> +/* On Wifi/BT connector */
> +&mmc1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&mmc1_pins>;
> + vmmc-supply = <®_dldo4>;
> + vqmmc-supply = <®_eldo1>;
> + mmc-pwrseq = <&wifi_pwrseq>;
> + bus-width = <4>;
> + non-removable;
Same here, please explicitly set 'status = "disabled"' like what
you are doing with uart1 below.
ChenYu
> +};
> +
> &mmc2 {
> pinctrl-names = "default";
> pinctrl-0 = <&mmc2_pins>;
> @@ -175,6 +191,14 @@ &uart0 {
> status = "okay";
> };
>
> +/* On Wifi/BT connector, with RTS/CTS */
> +&uart1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
> + uart-has-rtscts;
> + status = "disabled";
> +};
> +
> /* On Pi-2 connector */
> &uart2 {
> pinctrl-names = "default";
> --
> 2.47.1
>
>
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