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Subject[RFC PATCH 7/7] arm64: allwinner: h6: orangepi-liet2: Enable AP6356S WiFi support
Date
From: Jagan Teki <jagan@openedev.com>

Enable AP6356S WiFi/BT combo chip on Orangepi Lite2 board:
- WiFi SDIO interface is connected to MMC1
- WiFi WL-PMU-EN pin connected to gpio PM3: attach to mmc-pwrseq
- WiFi WL-WAKE-AP pin connected to gpio PM0
- 32kHz external oscillator gate clock from RTC

Signed-off-by: Jagan Teki <jagan@openedev.com>
---
Note:
- chip detected, but failed to connect
[ 129.084504] brcmfmac: brcmf_sdio_hostmail: mailbox indicates firmware halted
[ 135.906409] brcmfmac: brcmf_sdio_bus_rxctl: resumed on timeout

.../allwinner/sun50i-h6-orangepi-lite2.dts | 27 +++++++++++++++++++
1 file changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dts
index e098a2475f2d..b8012208c185 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-orangepi-lite2.dts
@@ -8,4 +8,31 @@
/ {
model = "OrangePi Lite2";
compatible = "xunlong,orangepi-lite2", "allwinner,sun50i-h6";
+
+ wifi_pwrseq: wifi-pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ clocks = <&rtc 1>;
+ clock-names = "ext_clock";
+ reset-gpios = <&r_pio 1 3 GPIO_ACTIVE_LOW>; /* WL-REG-ON: PM3 */
+ post-power-on-delay-ms = <200>;
+ };
+};
+
+&mmc1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc1_pins>;
+ vmmc-supply = <&reg_cldo2>;
+ vqmmc-supply = <&reg_bldo3>;
+ mmc-pwrseq = <&wifi_pwrseq>;
+ bus-width = <4>;
+ non-removable;
+ status = "okay";
+
+ brcmf: wifi@1 {
+ reg = <1>;
+ compatible = "brcm,bcm4329-fmac";
+ interrupt-parent = <&r_pio>;
+ interrupts = <1 0 IRQ_TYPE_LEVEL_LOW>; /* WL-WAKE-AP: PM0 */
+ interrupt-names = "host-wake";
+ };
};
--
2.18.0.321.gffc6fa0e3
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