Re: [PATCH v2 05/19] ARM: dts: imx6-sabresd: add OV5642 and OV5640 camera sensors

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On 01/03/2017 10:57 PM, Steve Longerbeam wrote:
> Enables the OV5642 parallel-bus sensor, and the OV5640 MIPI CSI-2 sensor.
> 
> The OV5642 connects to the parallel-bus mux input port on ipu1_csi0_mux.
> 
> The OV5640 connects to the input port on the MIPI CSI-2 receiver on
> mipi_csi. It is set to transmit over MIPI virtual channel 1.
> 
> Until the OV5652 sensor module compatible with the SabreSD becomes
> available for testing, the ov5642 node is currently disabled.
> 
> Signed-off-by: Steve Longerbeam <steve_longerbeam@xxxxxxxxxx>
> ---

[snip]

> +
> +	camera: ov5642@3c {

ov5642: camera@3c

> +		compatible = "ovti,ov5642";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_ov5642>;
> +		clocks = <&clks IMX6QDL_CLK_CKO>;
> +		clock-names = "xclk";
> +		reg = <0x3c>;
> +		xclk = <24000000>;
> +		DOVDD-supply = <&vgen4_reg>; /* 1.8v */
> +		AVDD-supply = <&vgen5_reg>;  /* 2.8v, rev C board is VGEN3
> +						rev B board is VGEN5 */
> +		DVDD-supply = <&vgen2_reg>;  /* 1.5v*/
> +		pwdn-gpios = <&gpio1 16 GPIO_ACTIVE_HIGH>; /* SD1_DAT0 */
> +		reset-gpios = <&gpio1 17 GPIO_ACTIVE_LOW>; /* SD1_DAT1 */

Comments about SD1_* pad names are redundant.

> +		status = "disabled";

Why is it disabled here?

> +
> +		port {
> +			ov5642_to_ipu1_csi0_mux: endpoint {
> +				remote-endpoint = <&ipu1_csi0_mux_from_parallel_sensor>;
> +				bus-width = <8>;
> +				hsync-active = <1>;
> +				vsync-active = <1>;
> +			};
> +		};
> +	};
>  };
>  
>  &i2c2 {
> @@ -322,6 +376,34 @@
>  			};
>  		};
>  	};
> +
> +	mipi_camera: ov5640@3c {

ov5640: camera@3c

> +		compatible = "ovti,ov5640_mipi";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_ov5640>;
> +		reg = <0x3c>;
> +		clocks = <&clks IMX6QDL_CLK_CKO>;
> +		clock-names = "xclk";
> +		xclk = <24000000>;
> +		DOVDD-supply = <&vgen4_reg>; /* 1.8v */
> +		AVDD-supply = <&vgen5_reg>;  /* 2.8v, rev C board is VGEN3
> +						rev B board is VGEN5 */
> +		DVDD-supply = <&vgen2_reg>;  /* 1.5v*/
> +		pwdn-gpios = <&gpio1 19 GPIO_ACTIVE_HIGH>; /* SD1_DAT2 */
> +		reset-gpios = <&gpio1 20 GPIO_ACTIVE_LOW>; /* SD1_CLK */

Comments about SD1_* pad names are redundant.

> +
> +		port {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			ov5640_to_mipi_csi: endpoint@1 {
> +				reg = <1>;
> +				remote-endpoint = <&mipi_csi_from_mipi_sensor>;
> +				data-lanes = <0 1>;
> +				clock-lanes = <2>;
> +			};
> +		};
> +	};
>  };
>  
>  &i2c3 {
> @@ -426,6 +508,36 @@
>  			>;
>  		};
>  
> +		pinctrl_ov5640: ov5640grp {
> +			fsl,pins = <
> +				MX6QDL_PAD_SD1_DAT2__GPIO1_IO19 0x80000000
> +				MX6QDL_PAD_SD1_CLK__GPIO1_IO20  0x80000000
> +			>;
> +		};
> +
> +		pinctrl_ov5642: ov5642grp {
> +			fsl,pins = <
> +				MX6QDL_PAD_SD1_DAT0__GPIO1_IO16 0x80000000
> +				MX6QDL_PAD_SD1_DAT1__GPIO1_IO17 0x80000000
> +			>;
> +		};
> +
> +		pinctrl_ipu1_csi0: ipu1grp-csi0 {

Please rename the node name to ipu1csi0grp.

Please add new pin control groups preserving the alphanimerical order.

> +			fsl,pins = <
> +				MX6QDL_PAD_CSI0_DAT12__IPU1_CSI0_DATA12    0x80000000
> +				MX6QDL_PAD_CSI0_DAT13__IPU1_CSI0_DATA13    0x80000000
> +				MX6QDL_PAD_CSI0_DAT14__IPU1_CSI0_DATA14    0x80000000
> +				MX6QDL_PAD_CSI0_DAT15__IPU1_CSI0_DATA15    0x80000000
> +				MX6QDL_PAD_CSI0_DAT16__IPU1_CSI0_DATA16    0x80000000
> +				MX6QDL_PAD_CSI0_DAT17__IPU1_CSI0_DATA17    0x80000000
> +				MX6QDL_PAD_CSI0_DAT18__IPU1_CSI0_DATA18    0x80000000
> +				MX6QDL_PAD_CSI0_DAT19__IPU1_CSI0_DATA19    0x80000000
> +				MX6QDL_PAD_CSI0_PIXCLK__IPU1_CSI0_PIXCLK   0x80000000
> +				MX6QDL_PAD_CSI0_MCLK__IPU1_CSI0_HSYNC      0x80000000
> +				MX6QDL_PAD_CSI0_VSYNC__IPU1_CSI0_VSYNC     0x80000000
> +			>;
> +		};
> +
>  		pinctrl_pcie: pciegrp {
>  			fsl,pins = <
>  				MX6QDL_PAD_GPIO_17__GPIO7_IO12	0x1b0b0
> 

--
With best wishes,
Vladimir
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