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
next prev 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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