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ARM: dts: meson8m2: mxiii-plus: Enable Bluetooth and WiFi support 

The MXIII Plus uses an Ampak AP6330 Bluetooth and WiFi combo chip.
Bluetooth is connected to &uart_A and requires toggling GPIOX_20.
WiFi can be routed to either &sdhc or &sdio. Route WiFi to &sdhc
since  &sdio is already connected to the SD card. Additionally WiFi
requires toggling GPIOX_11 and GPIOAO_6 as well as enabling the 32kHz
clock signal.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230321171213.2808460-4-martin.blumenstingl@googlemail.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
This commit is contained in:
Martin Blumenstingl 2023-03-21 18:12:13 +01:00 committed by Neil Armstrong
parent ef8474d50a
commit 8446b84c89
1 changed files with 47 additions and 1 deletions
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48
arch/arm/boot/dts/meson8m2-mxiii-plus.dts
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@ -19,7 +19,6 @@
ethernet0 = &ethmac;
i2c0 = &i2c_AO;
serial0 = &uart_AO;
serial1 = &uart_A;
mmc0 = &sd_card_slot;
};
@ -45,12 +44,32 @@
};
};
sdio_pwrseq: sdio-pwrseq {
compatible = "mmc-pwrseq-simple";
pinctrl-0 = <&xtal_32k_out_pins>;
pinctrl-names = "default";
reset-gpios = <&gpio GPIOX_11 GPIO_ACTIVE_LOW>,
<&gpio_ao GPIOAO_6 GPIO_ACTIVE_LOW>;
clocks = <&xtal_32k_out>;
clock-names = "ext_clock";
};
vcc_3v3: regulator-vcc3v3 {
compatible = "regulator-fixed";
regulator-name = "VCC3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
xtal_32k_out: xtal-32k-out-clk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <32768>;
clock-output-names = "xtal_32k_out";
};
};
&cpu0 {
@ -192,6 +211,27 @@
vref-supply = <&vddio_ao1v8>;
};
/* SDIO wifi */
&sdhc {
status = "okay";
pinctrl-0 = <&sdxc_a_pins>;
pinctrl-names = "default";
bus-width = <4>;
max-frequency = <50000000>;
disable-wp;
non-removable;
cap-mmc-highspeed;
cap-sd-highspeed;
mmc-pwrseq = <&sdio_pwrseq>;
vmmc-supply = <&vcc_3v3>;
vqmmc-supply = <&vcc_3v3>;
};
&sdio {
status = "okay";
@ -222,6 +262,12 @@
pinctrl-0 = <&uart_a1_pins>, <&uart_a1_cts_rts_pins>;
pinctrl-names = "default";
uart-has-rtscts;
bluetooth {
compatible = "brcm,bcm20702a1";
shutdown-gpios = <&gpio GPIOX_20 GPIO_ACTIVE_HIGH>;
max-speed = <2000000>;
};
};
&uart_AO {