linux-kernel - [PATCH v1] arm64: dts: amlogic: meson-s4-s905y4-khadas-vim1s: enable SDIO interface

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Message-Id: <20260116023900.2036657-1-nick@khadas.com>
Date: Fri, 16 Jan 2026 10:39:00 +0800
From: Nick Xie <nick@...das.com>
To: neil.armstrong@...aro.org,
	khilman@...libre.com,
	jbrunet@...libre.com,
	martin.blumenstingl@...glemail.com,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-amlogic@...ts.infradead.org
Cc: krzk+dt@...nel.org,
	robh@...nel.org,
	conor+dt@...nel.org,
	xieqinick@...il.com,
	Nick Xie <nick@...das.com>
Subject: [PATCH v1] arm64: dts: amlogic: meson-s4-s905y4-khadas-vim1s: enable SDIO interface

Enable the SDIO controller interface connected to the on-board
AP6256 WiFi/BT module.

Signed-off-by: Nick Xie <nick@...das.com>
---
 .../amlogic/meson-s4-s905y4-khadas-vim1s.dts  | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts b/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts
index 4a66c1bec965e..74ef02c713207 100644
--- a/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-s4-s905y4-khadas-vim1s.dts
@@ -220,6 +220,35 @@ &sd {
 	vqmmc-supply = <&vddio_sd>;
 };
 
+&sdio {
+	status = "okay";
+	pinctrl-0 = <&sdio_pins>;
+	pinctrl-1 = <&sdio_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+	#address-cells = <1>;
+	#size-cells = <0>;
+	bus-width = <4>;
+	cap-sd-highspeed;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	max-frequency = <50000000>;
+	non-removable;
+	disable-wp;
+
+	amlogic,dram-access-quirk;
+
+	no-sd;
+	no-mmc;
+	mmc-pwrseq = <&sdio_pwrseq>;
+	vmmc-supply = <&vddao_3v3>;
+	vqmmc-supply = <&vddio_ao1v8>;
+
+	brcmf: wifi@1 {
+		reg = <1>;
+		compatible = "brcm,bcm4329-fmac";
+	};
+};
+
 &spicc0 {
 	status = "okay";
 	pinctrl-names = "default";
-- 
2.34.1