From: Nick Xie <nick@khadas.com>
To: neil.armstrong@linaro.org, khilman@baylibre.com,
jbrunet@baylibre.com, martin.blumenstingl@googlemail.com,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org
Cc: krzk+dt@kernel.org, robh@kernel.org, conor+dt@kernel.org,
xieqinick@gmail.com, Nick Xie <nick@khadas.com>
Subject: [PATCH v1] arm64: dts: amlogic: meson-s4-s905y4-khadas-vim1s: enable eMMC storage
Date: Fri, 16 Jan 2026 10:36:11 +0800 [thread overview]
Message-ID: <20260116023611.2033078-1-nick@khadas.com> (raw)
Enable the on-board eMMC storage for Khadas VIM1S.
The VIM1S features a 16GB eMMC 5.1 module. This patch adds the
necessary regulators and the eMMC controller node.
Signed-off-by: Nick Xie <nick@khadas.com>
---
.../amlogic/meson-s4-s905y4-khadas-vim1s.dts | 42 +++++++++++++++++++
1 file changed, 42 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 79ffc703a2e99..4a66c1bec965e 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
@@ -38,6 +38,11 @@ secmon_reserved: secmon@5000000 {
};
};
+ emmc_pwrseq: emmc-pwrseq {
+ compatible = "mmc-pwrseq-emmc";
+ reset-gpios = <&gpio GPIOB_9 GPIO_ACTIVE_LOW>;
+ };
+
sdio_32k: sdio-32k {
compatible = "pwm-clock";
#clock-cells = <0>;
@@ -80,6 +85,24 @@ vddio_sd: regulator-vddio-sd {
3300000 0>;
};
+ vddao_3v3: regulator-vddao-3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "VDDAO_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&main_5v>;
+ regulator-always-on;
+ };
+
+ vddio_ao1v8: regulator-vddio-ao1v8 {
+ compatible = "regulator-fixed";
+ regulator-name = "VDDIO_AO1V8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ vin-supply = <&vddao_3v3>;
+ regulator-always-on;
+ };
+
/* SY8120B1ABC DC/DC Regulator. */
vddcpu: regulator-vddcpu {
compatible = "pwm-regulator";
@@ -136,6 +159,25 @@ vddcpu: regulator-vddcpu {
};
};
+&emmc {
+ status = "okay";
+ pinctrl-0 = <&emmc_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>;
+ non-removable;
+ disable-wp;
+
+ mmc-pwrseq = <&emmc_pwrseq>;
+ vmmc-supply = <&vddao_3v3>;
+ vqmmc-supply = <&vddio_ao1v8>;
+};
+
ðmac {
status = "okay";
phy-handle = <&internal_ephy>;
--
2.34.1
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next reply other threads:[~2026-01-16 2:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-16 2:36 Nick Xie [this message]
2026-01-19 21:33 ` [PATCH v1] arm64: dts: amlogic: meson-s4-s905y4-khadas-vim1s: enable eMMC storage Martin Blumenstingl
2026-01-20 8:53 ` Neil Armstrong
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