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Message-Id: <20250804-b4-c3isp-v1-1-adb39bd3b0d9@amlogic.com>
Date: Mon, 04 Aug 2025 16:08:26 +0800
From: Keke Li via B4 Relay <devnull+keke.li.amlogic.com@...nel.org>
To: Neil Armstrong <neil.armstrong@...aro.org>,
Kevin Hilman <khilman@...libre.com>, Jerome Brunet <jbrunet@...libre.com>,
Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, linux-amlogic@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Keke Li <keke.li@...ogic.com>
Subject: [PATCH] dts: arm64: amlogic: Add ISP related nodes for C3
From: Keke Li <keke.li@...ogic.com>
Add the IMX290 sensor node description to the device tree file,
which will be controlled via I2C bus with image data transmission
through MIPI CSI-2 interface.
Add CSI-2, adapter and ISP nodes for C3 family.
Signed-off-by: Keke Li <keke.li@...ogic.com>
---
The C3 ISP driver and device-tree bindings have been
submitted. To facilitate using the C3 ISP driver, the
related device nodes need to be added.
---
.../boot/dts/amlogic/amlogic-c3-c308l-aw419.dts | 84 +++++++++++++++++++++
arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi | 88 ++++++++++++++++++++++
2 files changed, 172 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-c3-c308l-aw419.dts b/arch/arm64/boot/dts/amlogic/amlogic-c3-c308l-aw419.dts
index 45f8631f9feb..e026604c55e6 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-c3-c308l-aw419.dts
+++ b/arch/arm64/boot/dts/amlogic/amlogic-c3-c308l-aw419.dts
@@ -17,6 +17,7 @@ / {
aliases {
serial0 = &uart_b;
spi0 = &spifc;
+ i2c2 = &i2c2;
};
memory@0 {
@@ -146,6 +147,36 @@ sdcard: regulator-sdcard {
regulator-boot-on;
regulator-always-on;
};
+
+ camera_vdddo_1v8: regulator-camera-1v8 {
+ compatible = "regulator-fixed";
+ regulator-name = "CAMERA_VDDDO";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ vin-supply = <&vcc_3v3>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ camera_vdda_2v9: regulator-camera-2v9 {
+ compatible = "regulator-fixed";
+ regulator-name = "CAMERA_VDDA";
+ regulator-min-microvolt = <2900000>;
+ regulator-max-microvolt = <2900000>;
+ vin-supply = <&vcc_5v>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ camera_vddd_1v2: regulator-camera-1v2 {
+ compatible = "regulator-fixed";
+ regulator-name = "CAMERA_VDDD";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ vin-supply = <&vcc_3v3>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
};
&uart_b {
@@ -258,3 +289,56 @@ &sd {
vmmc-supply = <&sdcard>;
vqmmc-supply = <&sdcard>;
};
+
+&i2c2 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2_pins1>;
+ clock-frequency = <100000>; /* default 100k */
+
+ imx290: sensor0@1a {
+ compatible = "sony,imx290";
+ reg = <0x1a>;
+ clocks = <&clkc_pll CLKID_MCLK0>;
+ clock-names = "xclk";
+ clock-frequency = <37125000>;
+ assigned-clocks = <&clkc_pll CLKID_MCLK_PLL>,
+ <&clkc_pll CLKID_MCLK0>;
+ assigned-clock-rates = <74250000>, <37125000>;
+
+ vdddo-supply = <&camera_vdddo_1v8>;
+ vdda-supply = <&camera_vdda_2v9>;
+ vddd-supply = <&camera_vddd_1v2>;
+
+ reset-gpios = <&gpio GPIOE_4 GPIO_ACTIVE_LOW>;
+
+ port {
+ imx290_out: endpoint {
+ data-lanes = <1 2 3 4>;
+ link-frequencies = /bits/ 64 <222750000 148500000>;
+ remote-endpoint = <&c3_mipi_csi_in>;
+ };
+ };
+ };
+};
+
+&csi2 {
+ status = "okay";
+
+ ports {
+ port@0 {
+ c3_mipi_csi_in: endpoint {
+ remote-endpoint = <&imx290_out>;
+ data-lanes = <1 2 3 4>;
+ };
+ };
+ };
+};
+
+&adap {
+ status = "okay";
+};
+
+&isp {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
index cb9ea3ca6ee0..a62fd8534209 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi
@@ -992,5 +992,93 @@ mdio0: mdio {
#size-cells = <0>;
};
};
+
+ csi2: csi2@...18000 {
+ compatible = "amlogic,c3-mipi-csi2";
+ reg = <0x0 0xff018000 0x0 0x100>,
+ <0x0 0xff019000 0x0 0x300>,
+ <0x0 0xff01a000 0x0 0x100>;
+ reg-names = "aphy", "dphy", "host";
+ power-domains = <&pwrc PWRC_C3_MIPI_ISP_WRAP_ID>;
+ clocks = <&clkc_periphs CLKID_VAPB>,
+ <&clkc_periphs CLKID_CSI_PHY0>;
+ clock-names = "vapb", "phy0";
+ assigned-clocks = <&clkc_periphs CLKID_VAPB>,
+ <&clkc_periphs CLKID_CSI_PHY0>;
+ assigned-clock-rates = <0>, <200000000>;
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ };
+
+ port@1 {
+ reg = <1>;
+ c3_mipi_csi_out: endpoint {
+ remote-endpoint = <&c3_adap_in>;
+ };
+ };
+ };
+ };
+
+ adap: adap@...10000 {
+ compatible = "amlogic,c3-mipi-adapter";
+ reg = <0x0 0xff010000 0x0 0x100>,
+ <0x0 0xff01b000 0x0 0x100>,
+ <0x0 0xff01d000 0x0 0x200>;
+ reg-names = "top", "fd", "rd";
+ power-domains = <&pwrc PWRC_C3_ISP_TOP_ID>;
+ clocks = <&clkc_periphs CLKID_VAPB>,
+ <&clkc_periphs CLKID_ISP0>;
+ clock-names = "vapb", "isp0";
+ assigned-clocks = <&clkc_periphs CLKID_VAPB>,
+ <&clkc_periphs CLKID_ISP0>;
+ assigned-clock-rates = <0>, <400000000>;
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ c3_adap_in: endpoint {
+ remote-endpoint = <&c3_mipi_csi_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ c3_adap_out: endpoint {
+ remote-endpoint = <&c3_isp_in>;
+ };
+ };
+ };
+ };
+
+ isp: isp@...00000 {
+ compatible = "amlogic,c3-isp";
+ reg = <0x0 0xff000000 0x0 0xf000>;
+ reg-names = "isp";
+ power-domains = <&pwrc PWRC_C3_ISP_TOP_ID>;
+ clocks = <&clkc_periphs CLKID_VAPB>,
+ <&clkc_periphs CLKID_ISP0>;
+ clock-names = "vapb", "isp0";
+ assigned-clocks = <&clkc_periphs CLKID_VAPB>,
+ <&clkc_periphs CLKID_ISP0>;
+ assigned-clock-rates = <0>, <400000000>;
+ interrupts = <GIC_SPI 145 IRQ_TYPE_EDGE_RISING>;
+ status = "disabled";
+
+ port {
+ c3_isp_in: endpoint {
+ remote-endpoint = <&c3_adap_out>;
+ };
+ };
+ };
};
};
---
base-commit: 84b92a499e7eca54ba1df6f6c6e01766025943f1
change-id: 20250731-b4-c3isp-16531391a1cb
Best regards,
--
Keke Li <keke.li@...ogic.com>
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