From: Thomas Gerner <thomas.gerner@muenchen-mail.de>
To: Drew Fustini <fustini@kernel.org>, Guo Ren <guoren@kernel.org>,
Fu Wei <wefu@redhat.com>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>,
linux-riscv@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: Thomas Gerner <thomas.gerner@muenchen-mail.de>
Subject: [PATCH] Enable wifi on the BeagleV-Ahead
Date: Mon, 11 May 2026 16:11:00 +0200 [thread overview]
Message-ID: <20260511141119.155369-1-thomas.gerner@muenchen-mail.de> (raw)
The BeagleV-Ahead board uses an AP6203BM WiFi chip from AMPAK Technology
Inc. connected to SDIO1. The chip is compatible to the broadcom wireless
driver.
Enable wifi on the BeagleV-Ahead.
Signed-off-by: Thomas Gerner <thomas.gerner@muenchen-mail.de>
---
.../boot/dts/thead/th1520-beaglev-ahead.dts | 50 +++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
index 91f3f9b987bc..5e0dc47d263c 100644
--- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
+++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
@@ -86,6 +86,11 @@ hdmi_con_in: endpoint {
};
};
};
+
+ brcmf_pwrseq: brcmf_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ reset-gpios = <&gpio2 31 GPIO_ACTIVE_LOW>; /* WL-REG-ON */
+ };
};
&osc {
@@ -239,6 +244,28 @@ rx-pins {
slew-rate = <0>;
};
};
+
+ wifi_pins: wifi-pins {
+ host-wake-wl {
+ pins = "GPIO2_25";
+ function = "gpio";
+ bias-pull-up;
+ drive-strength = <1>;
+ input-enable;
+ input-schmitt-disable;
+ slew-rate = <0>;
+ };
+
+ reg-on-wl {
+ pins = "GPIO2_31";
+ function = "gpio";
+ bias-pull-up;
+ drive-strength = <3>;
+ input-disable;
+ input-schmitt-disable;
+ slew-rate = <0>;
+ };
+ };
};
&sdio0 {
@@ -247,6 +274,29 @@ &sdio0 {
status = "okay";
};
+&sdio1 {
+ bus-width = <4>;
+ max-frequency = <198000000>;
+ status = "okay";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ non-removable;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&wifi_pins>;
+ mmc-pwrseq = <&brcmf_pwrseq>;
+
+ wifi@1 {
+ compatible = "cypress,cyw43012-fmac", "brcm,bcm4329-fmac";
+ reg = <1>;
+ brcm,sd_head_align = <4>;
+ brcm,sd_sgentry_align = <512>;
+ interrupt-parent = <&gpio2>;
+ interrupts = <25 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "host-wake";
+ };
+};
+
&dpu {
status = "okay";
};
--
2.43.0
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reply other threads:[~2026-05-11 14:12 UTC|newest]
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