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From: Ronald Claveau <linux-kernel-dev@aliel.fr>
To: Neil Armstrong <neil.armstrong@linaro.org>,
	 Kevin Hilman <khilman@baylibre.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	 Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	 Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	 Conor Dooley <conor+dt@kernel.org>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	 Johannes Berg <johannes@sipsolutions.net>,
	van Spriel <arend@broadcom.com>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-amlogic@lists.infradead.org,  devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,  linux-mmc@vger.kernel.org,
	linux-wireless@vger.kernel.org,
	 Ronald Claveau <linux-kernel-dev@aliel.fr>
Subject: [PATCH v4 9/9] arm64: dts: amlogic: t7: khadas-vim4: Add MMC nodes
Date: Wed, 25 Mar 2026 10:15:27 +0100	[thread overview]
Message-ID: <20260325-add-emmc-t7-vim4-v4-9-44c7b4a5e459@aliel.fr> (raw)
In-Reply-To: <20260325-add-emmc-t7-vim4-v4-0-44c7b4a5e459@aliel.fr>

Enable and configure the three MMC controllers for the Khadas VIM4 board:
- sd_emmc_a: SDIO interface for the BCM43752 Wi-Fi module
- sd_emmc_b: SD card slot
- sd_emmc_c: eMMC storage

Signed-off-by: Ronald Claveau <linux-kernel-dev@aliel.fr>
---
 .../dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts  | 90 +++++++++++++++++++++-
 1 file changed, 89 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
index 770f06b0b16c7..5a73ae081036c 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
+++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
@@ -14,7 +14,10 @@ / {
 	compatible = "khadas,vim4", "amlogic,a311d2", "amlogic,t7";
 
 	aliases {
-		serial0 = &uart_a;
+		serial0	= &uart_a;
+		mmc0	= &sd_emmc_c;
+		mmc1	= &sd_emmc_b;
+		mmc2	= &sd_emmc_a;
 	};
 
 	memory@0 {
@@ -159,6 +162,91 @@ &pwm_ab {
 	pinctrl-names = "default";
 };
 
+/* SDIO */
+&sd_emmc_a {
+	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-sdr12;
+	sd-uhs-sdr25;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	cap-sdio-irq;
+	max-frequency = <200000000>;
+	non-removable;
+	disable-wp;
+	no-mmc;
+	no-sd;
+
+	power-domains = <&pwrc PWRC_T7_SDIO_A_ID>;
+
+	keep-power-in-suspend;
+
+	mmc-pwrseq = <&sdio_pwrseq>;
+
+	vmmc-supply = <&vddao_3v3>;
+	vqmmc-supply = <&vddao_1v8>;
+
+	brcmf: wifi@1 {
+		reg = <1>;
+		compatible = "brcm,bcm43752-fmac", "brcm,bcm4329-fmac";
+	};
+};
+
+/* SD card */
+&sd_emmc_b {
+	status = "okay";
+	pinctrl-0 = <&sdcard_pins>;
+	pinctrl-1 = <&sdcard_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+
+	bus-width = <4>;
+	cap-sd-highspeed;
+	sd-uhs-sdr12;
+	sd-uhs-sdr25;
+	sd-uhs-sdr50;
+	sd-uhs-sdr104;
+	max-frequency = <200000000>;
+	disable-wp;
+	no-sdio;
+	no-mmc;
+
+	power-domains = <&pwrc PWRC_T7_SDIO_B_ID>;
+
+	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
+	vmmc-supply = <&sd_3v3>;
+	vqmmc-supply = <&vddio_c>;
+};
+
+/* eMMC */
+&sd_emmc_c {
+	status = "okay";
+	pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
+	pinctrl-1 = <&emmc_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+
+	bus-width = <8>;
+	cap-mmc-highspeed;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+	max-frequency = <200000000>;
+	disable-wp;
+	non-removable;
+	no-sdio;
+	no-sd;
+
+	power-domains = <&pwrc PWRC_T7_EMMC_ID>;
+
+	vmmc-supply = <&vddio_3v3>;
+	vqmmc-supply = <&vddio_1v8>;
+};
+
 &uart_a {
 	status = "okay";
 	clocks = <&xtal>, <&xtal>, <&xtal>;

-- 
2.49.0


  parent reply	other threads:[~2026-03-25  9:18 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-25  9:15 [PATCH v4 0/9] arm64: dts: amlogic: Add MMC/SD/SDIO support for Khadas VIM4 (Amlogic T7) Ronald Claveau
2026-03-25  9:15 ` [PATCH v4 1/9] arm64: dts: amlogic: t7: Add eMMC, SD card and SDIO pinctrl nodes Ronald Claveau
2026-03-26  8:52   ` Neil Armstrong
2026-03-26  9:21     ` Ronald Claveau
2026-03-25  9:15 ` [PATCH v4 2/9] dt-bindings: mmc: amlogic: Add compatible for T7 mmc Ronald Claveau
2026-03-25 22:08   ` Rob Herring (Arm)
2026-03-25  9:15 ` [PATCH v4 3/9] arm64: dts: amlogic: t7: Add MMC controller nodes Ronald Claveau
2026-03-26  8:52   ` Neil Armstrong
2026-03-26  9:22     ` Ronald Claveau
2026-03-25  9:15 ` [PATCH v4 4/9] arm64: dts: amlogic: t7: Add PWM pinctrl nodes Ronald Claveau
2026-03-26  8:52   ` Neil Armstrong
2026-03-25  9:15 ` [PATCH v4 5/9] arm64: dts: amlogic: t7: Add PWM controller nodes Ronald Claveau
2026-03-26  8:53   ` Neil Armstrong
2026-03-25  9:15 ` [PATCH v4 6/9] arm64: dts: amlogic: t7: khadas-vim4: Add power regulators Ronald Claveau
2026-03-26  8:53   ` Neil Armstrong
2026-03-25  9:15 ` [PATCH v4 7/9] arm64: dts: amlogic: t7: khadas-vim4: Add SDIO power sequence and WiFi clock Ronald Claveau
2026-03-26  8:53   ` Neil Armstrong
2026-03-25  9:15 ` [PATCH v4 8/9] dt-bindings: net: wireless: brcm: Add compatible for bcm43752 Ronald Claveau
2026-03-25 17:09   ` Rob Herring
2026-03-26  9:23     ` Ronald Claveau
2026-03-25  9:15 ` Ronald Claveau [this message]
2026-03-26  8:54   ` [PATCH v4 9/9] arm64: dts: amlogic: t7: khadas-vim4: Add MMC nodes Neil Armstrong
2026-03-26  9:27     ` Ronald Claveau

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