media: i2c: add Arducam Pivariety camera support

arch/arm64/boot/dts/ti/Makefile

@@ -554,6 +554,8 @@ dtb-$(CONFIG_ARCH_K3) += k3-am67a-beagley-ai-uart-ttyama0.dtbo
 dtb-$(CONFIG_ARCH_K3) += k3-am67a-beagley-ai-edgeai-apps.dtbo
 dtb-$(CONFIG_ARCH_K3) += k3-am67a-t3-gem-o1.dtb
 dtb-$(CONFIG_ARCH_K3) += k3-am67a-t3-gem-o1-csi0-imx219.dtbo
+DTC_FLAGS_k3-am67a-t3-gem-o1-csi0-arducam-pivariety += -@
+dtb-$(CONFIG_ARCH_K3) += k3-am67a-t3-gem-o1-csi0-arducam-pivariety.dtbo
 dtb-$(CONFIG_ARCH_K3) += k3-am67a-t3-gem-o1-dsi-rpi-7inch-panel.dtbo
 dtb-$(CONFIG_ARCH_K3) += k3-am67a-t3-gem-o1-dsi-waveshare-10-1inch-panel.dtbo
 dtb-$(CONFIG_ARCH_K3) += k3-am67a-t3-gem-o1-dsi-waveshare-11-9inch-panel.dtbo

arch/arm64/boot/dts/ti/k3-am67a-t3-gem-o1-csi0-arducam-pivariety.dtso

@@ -0,0 +1,136 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Arducam Pivariety camera on T3 Gemstone O1 CSI0/J11
+ */
+
+/dts-v1/;
+/plugin/;
+
+/*
+ * Yüklendiğinde:
+ * /proc/device-tree/chosen/overlays/
+ * altında görünmesini sağlar.
+ */
+&{/chosen} {
+	overlays {
+		k3-am67a-t3-gem-o1-csi0-arducam-pivariety.kernel =
+			"manual-port";
+	};
+};
+
+/*
+ * Pivariety sürücüsü 24 MHz xclk bekliyor.
+ *
+ * Regulator düğümleri yazılım tarafında sürücünün zorunlu
+ * VANA, VDIG ve VDDL supply isteklerini karşılar.
+ * GPIO içermedikleri için fiziksel voltaj üretmez/değiştirmezler.
+ */
+&{/} {
+	clk_csi0_pivariety_fixed: csi0-pivariety-xclk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <24000000>;
+	};
+
+	pivariety_vana: pivariety-vana-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "pivariety-vana";
+		regulator-min-microvolt = <2800000>;
+		regulator-max-microvolt = <2800000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	pivariety_vdig: pivariety-vdig-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "pivariety-vdig";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+
+	pivariety_vddl: pivariety-vddl-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "pivariety-vddl";
+		regulator-min-microvolt = <1200000>;
+		regulator-max-microvolt = <1200000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
+};
+
+/*
+ * CSI0/J11 kamera kontrol hattı.
+ * Gemstone IMX219 referansında CSI0 için main_i2c2 kullanılıyor.
+ */
+&main_i2c2 {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_i2c2_pins_default>;
+	clock-frequency = <400000>;
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	arducam_pivariety_0: camera@c {
+		compatible = "arducam,arducam-pivariety";
+		reg = <0x0c>;
+		status = "okay";
+
+		clocks = <&clk_csi0_pivariety_fixed>;
+		clock-names = "xclk";
+
+		VANA-supply = <&pivariety_vana>;
+		VDIG-supply = <&pivariety_vdig>;
+		VDDL-supply = <&pivariety_vddl>;
+
+		rotation = <0>;
+		orientation = <2>;
+
+		port {
+			csi2_pivariety_out: endpoint {
+				remote-endpoint =
+					<&csi2rx0_in_pivariety>;
+
+				link-frequencies =
+					/bits/ 64 <493500000>;
+
+				clock-lanes = <0>;
+				data-lanes = <1 2>;
+				clock-noncontinuous;
+			};
+		};
+	};
+};
+
+/* Gemstone CSI0 Cadence CSI-2 receiver girişi. */
+&cdns_csi2rx0 {
+	ports {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		port@0 {
+			reg = <0>;
+			status = "okay";
+
+			csi2rx0_in_pivariety: endpoint {
+				remote-endpoint =
+					<&csi2_pivariety_out>;
+
+				bus-type = <4>;
+				clock-lanes = <0>;
+				data-lanes = <1 2>;
+				clock-noncontinuous;
+			};
+		};
+	};
+};
+
+&ti_csi2rx0 {
+	status = "okay";
+};
+
+&dphy0 {
+	status = "okay";
+};

drivers/media/i2c/Kconfig

@@ -51,6 +51,15 @@ config VIDEO_ALVIUM_CSI2
 	  To compile this driver as a module, choose M here: the
 	  module will be called alvium-csi2.
 
+config VIDEO_ARDUCAM_PIVARIETY
+	tristate "Arducam Pivariety camera sensor support"
+	help
+	  This is a Video4Linux2 sensor driver for Arducam
+	  Pivariety camera modules connected through MIPI CSI-2.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called arducam-pivariety.
+
 config VIDEO_AR0521
 	tristate "ON Semiconductor AR0521 sensor support"
 	help

drivers/media/i2c/Makefile

@@ -19,6 +19,7 @@ obj-$(CONFIG_VIDEO_AK7375) += ak7375.o
 obj-$(CONFIG_VIDEO_AK881X) += ak881x.o
 obj-$(CONFIG_VIDEO_ALVIUM_CSI2) += alvium-csi2.o
 obj-$(CONFIG_VIDEO_APTINA_PLL) += aptina-pll.o
+obj-$(CONFIG_VIDEO_ARDUCAM_PIVARIETY) += arducam-pivariety.o
 obj-$(CONFIG_VIDEO_AR0521) += ar0521.o
 obj-$(CONFIG_VIDEO_BT819) += bt819.o
 obj-$(CONFIG_VIDEO_BT856) += bt856.o