Xiaomi MI A1 S5K5E8YX front camera support

Documentation/devicetree/bindings/media/i2c/samsung,s5k5e8yx.yaml

@@ -0,0 +1,98 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/i2c/samsung,s5k5e8yx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung S5K5E8YX Image Sensor
+
+description:
+  Samsung S5K5E8YX image sensor is a 5MP CMOS image sensor.
+  The sensor is controlled over a serial camera control bus protocol,
+  the widest supported output image frame size is 2608x1960 at 30 frames
+  per second, data output format is RAW10 transferred over 2-lane
+  MIPI D-PHY interface.
+
+maintainers:
+  - Andrii Cherniavskyi <chernyav.a@gmail.com>
+
+allOf:
+  - $ref: /schemas/media/video-interface-devices.yaml#
+
+properties:
+  compatible:
+    const: samsung,s5k5e8yx
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    description: MCLK supply clock.
+    maxItems: 1
+
+  reset-gpios:
+    description: Active low GPIO connected to RESET pad of the sensor.
+    maxItems: 1
+
+  vdda-supply:
+    description: Analogue voltage supply, 2.8 volts.
+
+  vddd-supply:
+    description: Digital core voltage supply, 1.2 volts.
+
+  vddio-supply:
+    description: Digital I/O voltage supply, 1.8 or 2.8 volts.
+
+  port:
+    $ref: /schemas/graph.yaml#/$defs/port-base
+    additionalProperties: false
+
+    properties:
+      endpoint:
+        $ref: /schemas/media/video-interfaces.yaml#
+        unevaluatedProperties: false
+
+        properties:
+          link-frequencies: true
+          remote-endpoint: true
+
+        required:
+          - link-frequencies
+          - remote-endpoint
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - port
+
+unevaluatedProperties: false
+
+examples:
+  - |
+      #include <dt-bindings/gpio/gpio.h>
+
+      i2c {
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          camera@2d {
+              compatible = "samsung,s5k5e8yx";
+              reg = <0x2d>;
+              clocks = <&camera_mclk 0>;
+              assigned-clocks = <&camera_mclk 0>;
+              assigned-clock-rates = <24000000>;
+              reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
+              vdda-supply = <&vreg_2p8>;
+              vddd-supply = <&vreg_1p2>;
+              vddio-supply = <&vreg_1p8>;
+
+              port {
+                  endpoint {
+                      link-frequencies = /bits/ 64 <500000000>;
+                      remote-endpoint = <&mipi_csi2_ep>;
+                  };
+              };
+          };
+      };
+...

arch/arm64/boot/dts/qcom/msm8953-xiaomi-tissot.dts

@@ -275,6 +275,13 @@
 		bias-disable;
 		output-low;
 	};
+
+	cam_front_reset_default: cam_front_reset_default {
+		pins = "gpio129";
+		function = "gpio";
+		bias-disable;
+		drive-strength = <2>;
+	};
 };
 
 &uart_0 {
@@ -292,3 +299,56 @@
 	qcom,mbhc-vthreshold-high = <91 259 488 488 488>;
 	qcom,mbhc-vthreshold-low = <91 259 488 488 488>;
 };
+
+&camss {
+	status = "okay";
+	vdda-supply = <&pm8953_s3>;
+
+	ports {
+		port@2 {
+			reg = <2>;
+			csiphy2_ep: endpoint {
+				data-lanes = <0 1>;
+				remote-endpoint = <&front_cam_ep>;
+			};
+		};
+	};
+};
+
+&cci {
+        status = "okay";
+};
+
+&cci_i2c1 {
+	camera-sensor@2d { // Front camera
+		compatible = "samsung,s5k5e8yx";
+
+		reg = <0x2d>;
+
+		clocks = <&gcc GCC_CAMSS_MCLK1_CLK>;
+		assigned-clocks = <&gcc GCC_CAMSS_MCLK1_CLK>;
+		assigned-clock-rates = <24000000>;
+
+		reset-gpios = <&tlmm 129 GPIO_ACTIVE_LOW>;
+
+		pinctrl-0 = <&cam_front_reset_default>,
+			<&camss_mclk1_default>;
+		pinctrl-names = "default";
+
+		vdda-supply= <&pm8953_l22>;
+		vddd-supply = <&pm8953_l23>;
+		vddio-supply = <&pm8953_l6>;
+
+		rotation = <90>;
+		orientation = <0>;
+
+		status = "okay";
+
+		port {
+			front_cam_ep: endpoint {
+				remote-endpoint = <&csiphy2_ep>;
+				link-frequencies = /bits/ 64 <420000000>;
+			};
+		};
+	};
+};

arch/arm64/configs/xiaomi-tissot.config

@@ -17,3 +17,4 @@ CONFIG_RMI4_F12=y
 CONFIG_RMI4_I2C=m
 CONFIG_SND_SOC_MAX98927=m
 CONFIG_TOUCHSCREEN_EDT_FT5X06=m
+CONFIG_VIDEO_S5K5E8YX=m

drivers/media/i2c/Kconfig

@@ -812,6 +812,16 @@ config VIDEO_S5KJN1
 	  To compile this driver as a module, choose M here: the
 	  module will be called s5kjn1.
 
+config VIDEO_S5K5E8YX
+	tristate "Samsung S5K5E8YX sensor support"
+	select V4L2_CCI_I2C
+	help
+	  This is a V4L2 sensor driver for Samsung S5K5E8YX 5MP raw
+	  camera sensor.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called s5k5e8yx.
+
 config VIDEO_VD55G1
 	tristate "ST VD55G1 sensor support"
 	select V4L2_CCI_I2C

drivers/media/i2c/Makefile

@@ -132,6 +132,7 @@ obj-$(CONFIG_VIDEO_S5K3M5) += s5k3m5.o
 obj-$(CONFIG_VIDEO_S5K5BAF) += s5k5baf.o
 obj-$(CONFIG_VIDEO_S5K6A3) += s5k6a3.o
 obj-$(CONFIG_VIDEO_S5KJN1) += s5kjn1.o
+obj-$(CONFIG_VIDEO_S5K5E8YX) += s5k5e8yx.o
 obj-$(CONFIG_VIDEO_SAA6588) += saa6588.o
 obj-$(CONFIG_VIDEO_SAA6752HS) += saa6752hs.o
 obj-$(CONFIG_VIDEO_SAA7110) += saa7110.o