v4l2: modify Readme.txt

diff --git a/drivers/media/platform/starfive/v4l2_driver/Readme.txt b/drivers/media/platform/starfive/v4l2_driver/Readme.txt
index f2cad53..e8aa34e 100755 (executable)
--- a/drivers/media/platform/starfive/v4l2_driver/Readme.txt
+++ b/drivers/media/platform/starfive/v4l2_driver/Readme.txt
@@ -1,98 +1,10 @@
 
+/dev/video0 sensor配置为直接输出camera数据的设备节点
+/dev/video1 sensor配置为camera数据经ISP处理变成NV12格式的设备节点
 
-/dev/video0 sensor配置为ov5640的设备节点
-/dev/video1 sensor配置为ov4689(i2c0)的设备节点
-/dev/video2 sensor配置为sc2235/ov4689(i2c2)的设备节点
-
-确认conf/sdk_210209_defconfig
-CONFIG_VIN_SENSOR_OV5640=y
+确认linux/arch/riscv/configs/starfive_jh7110_defconfig文件
+CONFIG_VIDEO_STF_VIN=y
 CONFIG_VIN_SENSOR_SC2235=y
 CONFIG_VIN_SENSOR_OV4689=y
 
-
 只支持DPHY的lane0/lane5做clk通道，lane1/2/3/4做数据通道。
-
-sensor port 设为okay, 硬件需要接入对应的sensor，否则驱动不能使用。
-
-1. ov5640 config dts:
-       parallel_from_ov5640 port status 设置为okay, sc2235 port status 设为failed.
-               port@2 {
-                       reg = <2>; // dvp sensor
-
-                       /* Parallel bus endpoint */
-                       parallel_from_ov5640: endpoint {
-                               remote-endpoint = <&ov5640_to_parallel>;
-                               bus-type = <5>;      /* Parallel */
-                               bus-width = <8>;
-                               data-shift = <2>; /* lines 9:2 are used */
-                               hsync-active = <1>;
-                               vsync-active = <0>;
-                               pclk-sample = <1>;
-                               sensor-type = <0>; //0:SENSOR_VIN 1:SENSOR_ISP0 2:SENSOR_ISP1
-                               status = "okay";
-                       };
-               };
-
-2. SC2235 config dts:
-       stf_isp_hw_ops.c:
-               stf_isp_set_format函数里面注释掉：
-                       // isp_settings = isp_1920_1080_settings;
-
-       parallel_from_sc2235 port status 设置为okay, ov5640/ov4689(i2c2) port status设为failed.
-               port@3 {
-                       reg = <2>; // dvp sensor
-
-                       /* Parallel bus endpoint */
-                       parallel_from_sc2235: endpoint {
-                               remote-endpoint = <&sc2235_to_parallel>;
-                               bus-type = <5>;      /* Parallel */
-                               bus-width = <8>;
-                               data-shift = <2>; /* lines 9:2 are used */
-                               hsync-active = <1>;
-                               vsync-active = <1>;
-                               pclk-sample = <1>;
-                               sensor-type = <2>; //0:SENSOR_VIN 1:SENSOR_ISP0 2:SENSOR_ISP1
-                               status = "okay";
-                       };
-               };
-
-3. i2c0 ov4689 config dts:
-       csi2rx0_from_ov4689 port status 设置为okay.
-               port@4 {
-                       reg = <3>; // csi2rx0 sensor
-
-                       /* CSI2 bus endpoint */
-                       csi2rx0_from_ov4689: endpoint {
-                               remote-endpoint = <&ov4689_to_csi2rx0>;
-                               bus-type = <4>;      /* MIPI CSI-2 D-PHY */
-                               clock-lanes = <0>;
-                               data-lanes = <1 2>;
-                               sensor-type = <1>; //0:SENSOR_VIN 1:SENSOR_ISP0 2:SENSOR_ISP1
-                               csi-dt = <0x2b>;
-                               status = "okay";
-                       };
-               };
-
-4. i2c2 ov4689 config dts:
-
-       stf_isp_hw_ops.c:
-               stf_isp_set_format函数里面346行不要注释掉：
-                       isp_settings = isp_1920_1080_settings;
-
-       csi2rx1_from_ov4689 port status 设置为okay, sc2235 port status 设为failed.
-               port@5 {
-                       reg = <4>; // csi2rx1 sensor
-
-                       /* CSI2 bus endpoint */
-                       csi2rx1_from_ov4689: endpoint {
-                               remote-endpoint = <&ov4689_to_csi2rx1>;
-                               bus-type = <4>;      /* MIPI CSI-2 D-PHY */
-                               clock-lanes = <5>;
-                               data-lanes = <4 3>;
-                               lane-polarities = <1 1 1>;
-                               sensor-type = <2>; //0:SENSOR_VIN 1:SENSOR_ISP0 2:SENSOR_ISP1
-                               csi-dt = <0x2b>;
-                               status = "okay";
-                       };
-               };
-