[PATCH 15/15] arm64: dts: st: enable imx335/csi/dcmipp pipeline on stm32mp257f-ev1

From: Alain Volmat
Date: Tue Oct 08 2024 - 07:25:13 EST


Enable the camera pipeline with a imx335 sensor connected to the
dcmipp via the csi interface.

Signed-off-by: Alain Volmat <alain.volmat@xxxxxxxxxxx>
---
arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 87 ++++++++++++++++++++++++++++++
1 file changed, 87 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
index 214191a8322b..599af4801d82 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
@@ -27,6 +27,38 @@ chosen {
stdout-path = "serial0:115200n8";
};

+ clocks {
+ clk_ext_camera: clk-ext-camera {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <24000000>;
+ };
+ };
+
+ imx335_2v9: imx335-2v9 {
+ compatible = "regulator-fixed";
+ regulator-name = "imx335-avdd";
+ regulator-min-microvolt = <2900000>;
+ regulator-max-microvolt = <2900000>;
+ regulator-always-on;
+ };
+
+ imx335_1v8: imx335-1v8 {
+ compatible = "regulator-fixed";
+ regulator-name = "imx335-ovdd";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ imx335_1v2: imx335-1v2 {
+ compatible = "regulator-fixed";
+ regulator-name = "imx335-dvdd";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-always-on;
+ };
+
memory@80000000 {
device_type = "memory";
reg = <0x0 0x80000000 0x1 0x0>;
@@ -50,6 +82,40 @@ &arm_wdt {
status = "okay";
};

+&csi {
+ vdd-supply = <&scmi_vddcore>;
+ vdda18-supply = <&scmi_v1v8>;
+ status = "okay";
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ csi_sink: endpoint {
+ remote-endpoint = <&imx335_ep>;
+ data-lanes = <0 1>;
+ bus-type = <4>;
+ };
+ };
+ port@1 {
+ reg = <1>;
+ csi_source: endpoint {
+ remote-endpoint = <&dcmipp_0>;
+ };
+ };
+ };
+};
+
+&dcmipp {
+ status = "okay";
+ port {
+ dcmipp_0: endpoint {
+ remote-endpoint = <&csi_source>;
+ bus-type = <4>;
+ };
+ };
+};
+
&ethernet2 {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&eth2_rgmii_pins_a>;
@@ -81,6 +147,27 @@ &i2c2 {
i2c-scl-falling-time-ns = <13>;
clock-frequency = <400000>;
status = "okay";
+
+ imx335: imx335@1a {
+ compatible = "sony,imx335";
+ reg = <0x1a>;
+ clocks = <&clk_ext_camera>;
+ avdd-supply = <&imx335_2v9>;
+ ovdd-supply = <&imx335_1v8>;
+ dvdd-supply = <&imx335_1v2>;
+ reset-gpios = <&gpioi 7 (GPIO_ACTIVE_HIGH | GPIO_PUSH_PULL)>;
+ powerdown-gpios = <&gpioi 0 (GPIO_ACTIVE_HIGH | GPIO_PUSH_PULL)>;
+ status = "okay";
+
+ port {
+ imx335_ep: endpoint {
+ remote-endpoint = <&csi_sink>;
+ clock-lanes = <0>;
+ data-lanes = <1 2>;
+ link-frequencies = /bits/ 64 <594000000>;
+ };
+ };
+ };
};

&i2c8 {

--
2.25.1