All of lore.kernel.org
 help / color / mirror / Atom feed
From: Ronald Claveau <linux-kernel-dev@aliel.fr>
To: linux-amlogic@lists.infradead.org
Cc: Ronald Claveau <linux-kernel-dev@aliel.fr>,
	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>,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 7/7] arm64: dts: amlogic: Add EMMC for T7 khadas VIM4
Date: Wed, 18 Feb 2026 11:21:22 +0100	[thread overview]
Message-ID: <20260218102124.35669-1-linux-kernel-dev@aliel.fr> (raw)

Add EMMC support for Amlogic T7 Khadas VIM4 device dts.

Signed-off-by: Ronald Claveau <linux-kernel-dev@aliel.fr>
---
 .../amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)

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 fffdab96b12e..fbc43a307015 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
@@ -15,6 +15,10 @@ aliases {
 		serial0 = &uart_a;
 	};
 
+	chosen {
+		stdout-path = "serial0:921600n8";
+	};
+
 	memory@0 {
 		device_type = "memory";
 		reg = <0x0 0x0 0x2 0x0>; /* 8 GB */
@@ -45,6 +49,42 @@ xtal: xtal-clk {
 		#clock-cells = <0>;
 	};
 
+	dc_in: regulator-dc-in {
+		compatible = "regulator-fixed";
+		regulator-name = "DC_IN";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	vsys_3v3: regulator-vsys-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VSYS_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&dc_in>;
+		regulator-always-on;
+	};
+
+	vcc_3v3: regulator-vcc-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vsys_3v3>;
+		regulator-always-on;
+		/* FIXME: actually controlled by VDDCPU_B_EN */
+	};
+
+	emmc_1v8: regulator-emmc-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "EMMC_AO1V8";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&vcc_3v3>;
+		regulator-always-on;
+	};
+
 };
 
 &uart_a {
@@ -52,3 +92,25 @@ &uart_a {
 	clocks = <&xtal>, <&xtal>, <&xtal>;
 	clock-names = "xtal", "pclk", "baud";
 };
+
+/* 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;
+	mmc-hs400-1_8v;
+	max-frequency = <200000000>;
+	disable-wp;
+	non-removable;
+
+	power-domains = <&pwrc PWRC_T7_EMMC_ID>;
+
+	vmmc-supply = <&vcc_3v3>;
+	vqmmc-supply = <&emmc_1v8>;
+};
-- 
2.49.0


_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic

WARNING: multiple messages have this Message-ID (diff)
From: Ronald Claveau <linux-kernel-dev@aliel.fr>
To: linux-amlogic@lists.infradead.org
Cc: Ronald Claveau <linux-kernel-dev@aliel.fr>,
	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>,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 7/7] arm64: dts: amlogic: Add EMMC for T7 khadas VIM4
Date: Wed, 18 Feb 2026 11:21:22 +0100	[thread overview]
Message-ID: <20260218102124.35669-1-linux-kernel-dev@aliel.fr> (raw)

Add EMMC support for Amlogic T7 Khadas VIM4 device dts.

Signed-off-by: Ronald Claveau <linux-kernel-dev@aliel.fr>
---
 .../amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)

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 fffdab96b12e..fbc43a307015 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
@@ -15,6 +15,10 @@ aliases {
 		serial0 = &uart_a;
 	};
 
+	chosen {
+		stdout-path = "serial0:921600n8";
+	};
+
 	memory@0 {
 		device_type = "memory";
 		reg = <0x0 0x0 0x2 0x0>; /* 8 GB */
@@ -45,6 +49,42 @@ xtal: xtal-clk {
 		#clock-cells = <0>;
 	};
 
+	dc_in: regulator-dc-in {
+		compatible = "regulator-fixed";
+		regulator-name = "DC_IN";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	vsys_3v3: regulator-vsys-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VSYS_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&dc_in>;
+		regulator-always-on;
+	};
+
+	vcc_3v3: regulator-vcc-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vsys_3v3>;
+		regulator-always-on;
+		/* FIXME: actually controlled by VDDCPU_B_EN */
+	};
+
+	emmc_1v8: regulator-emmc-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "EMMC_AO1V8";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&vcc_3v3>;
+		regulator-always-on;
+	};
+
 };
 
 &uart_a {
@@ -52,3 +92,25 @@ &uart_a {
 	clocks = <&xtal>, <&xtal>, <&xtal>;
 	clock-names = "xtal", "pclk", "baud";
 };
+
+/* 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;
+	mmc-hs400-1_8v;
+	max-frequency = <200000000>;
+	disable-wp;
+	non-removable;
+
+	power-domains = <&pwrc PWRC_T7_EMMC_ID>;
+
+	vmmc-supply = <&vcc_3v3>;
+	vqmmc-supply = <&emmc_1v8>;
+};
-- 
2.49.0



             reply	other threads:[~2026-02-18 10:21 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-18 10:21 Ronald Claveau [this message]
2026-02-18 10:21 ` [PATCH 7/7] arm64: dts: amlogic: Add EMMC for T7 khadas VIM4 Ronald Claveau
  -- strict thread matches above, loose matches on Subject: below --
2026-02-19 10:24 kernel test robot
2026-02-18 10:17 [PATCH 1/7] drivers: clk: meson: Add Amlogic T7 fix pll support Ronald Claveau
2026-02-18 10:53 ` [PATCH 7/7] arm64: dts: amlogic: Add EMMC for T7 khadas VIM4 Ronald Claveau
2026-02-18 10:53   ` Ronald Claveau

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20260218102124.35669-1-linux-kernel-dev@aliel.fr \
    --to=linux-kernel-dev@aliel.fr \
    --cc=conor+dt@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=jbrunet@baylibre.com \
    --cc=khilman@baylibre.com \
    --cc=krzk+dt@kernel.org \
    --cc=linux-amlogic@lists.infradead.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=martin.blumenstingl@googlemail.com \
    --cc=neil.armstrong@linaro.org \
    --cc=robh@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.