[PATCH v2 3/4] ARM: dts: mx53qsb: Add support for parallel display

Philipp Zabel p.zabel at pengutronix.de
Tue Apr 9 11:17:23 EDT 2013


Am Dienstag, den 09.04.2013, 11:07 -0300 schrieb Rogerio Pimentel:
> Add support for CLAA WVGA display for i.MX53 QSB.
> 
> Signed-off-by: Rogerio Pimentel <rogerio.pimentel at freescale.com>
> ---
> Changes since v1:
> Changed the label disp1 to disp0 to correctly match the display pins
>  arch/arm/boot/dts/imx53-qsb.dtsp |   26 ++++++++++++++++++++++++++
>  arch/arm/boot/dts/imx53.dtsip    |   35 +++++++++++++++++++++++++++++++++++
>  2 files changed, 61 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx53-qsb.dtsp b/arch/arm/boot/dts/imx53-qsb.dtsp
> index dae8d9f..6086a3c 100644
> --- a/arch/arm/boot/dts/imx53-qsb.dtsp
> +++ b/arch/arm/boot/dts/imx53-qsb.dtsp
> @@ -21,6 +21,32 @@
>  		reg = <0x70000000 0x40000000>;
>  	};
>  
> +	display at di0 {
> +		compatible = "fsl,imx-parallel-display";
> +		crtcs = <&ipu 0>;
> +		interface-pix-fmt = "rgb565";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&pinctrl_ipu_disp0_1>;
> +		display-timings {
> +			claawvga {
> +				native-mode;
> +				clock-frequency = <27000000>;
> +				hactive = <800>;
> +				vactive = <480>;
> +				hback-porch = <40>;
> +				hfront-porch = <60>;
> +				vback-porch = <10>;
> +				vfront-porch = <10>;
> +				hsync-len = <20>;
> +				vsync-len = <10>;
> +				hsync-active = <0>;
> +				vsync-active = <0>;
> +				de-active = <1>;
> +				pixelclk-active = <0>;
> +			};
> +		};
> +	};
> +

This clashes with the MCIMXHDMICARD daughter module, which has a sii902x
HDMI encoder connected to DISP0 for i.MX53-QSB. Would it make sense to
add all possible options to the device tree but mark them with
status = "disabled" by default?

regards
Philipp

>  	gpio-keys {
>  		compatible = "gpio-keys";
>  
> diff --git a/arch/arm/boot/dts/imx53.dtsip b/arch/arm/boot/dts/imx53.dtsip
> index 845982e..a5f9d68 100644
> --- a/arch/arm/boot/dts/imx53.dtsip
> +++ b/arch/arm/boot/dts/imx53.dtsip
> @@ -444,6 +444,41 @@
>  					};
>  				};
>  
> +				ipu_disp0 {
> +					pinctrl_ipu_disp0_1: ipudisp0grp-1 {
> +						fsl,pins = <
> +						MX53_PAD_DI0_DISP_CLK__IPU_DI0_DISP_CLK 0x5
> +						MX53_PAD_DI0_PIN15__IPU_DI0_PIN15 0x5
> +						MX53_PAD_DI0_PIN2__IPU_DI0_PIN2 0x5
> +						MX53_PAD_DI0_PIN3__IPU_DI0_PIN3  0x5
> +						MX53_PAD_DISP0_DAT0__IPU_DISP0_DAT_0 0x5
> +						MX53_PAD_DISP0_DAT1__IPU_DISP0_DAT_1 0x5
> +						MX53_PAD_DISP0_DAT2__IPU_DISP0_DAT_2 0x5
> +						MX53_PAD_DISP0_DAT3__IPU_DISP0_DAT_3 0x5
> +						MX53_PAD_DISP0_DAT4__IPU_DISP0_DAT_4 0x5
> +						MX53_PAD_DISP0_DAT5__IPU_DISP0_DAT_5 0x5
> +						MX53_PAD_DISP0_DAT6__IPU_DISP0_DAT_6 0x5
> +						MX53_PAD_DISP0_DAT7__IPU_DISP0_DAT_7 0x5
> +						MX53_PAD_DISP0_DAT8__IPU_DISP0_DAT_8 0x5
> +						MX53_PAD_DISP0_DAT9__IPU_DISP0_DAT_9 0x5
> +						MX53_PAD_DISP0_DAT10__IPU_DISP0_DAT_10 0x5
> +						MX53_PAD_DISP0_DAT11__IPU_DISP0_DAT_11 0x5
> +						MX53_PAD_DISP0_DAT12__IPU_DISP0_DAT_12 0x5
> +						MX53_PAD_DISP0_DAT13__IPU_DISP0_DAT_13 0x5
> +						MX53_PAD_DISP0_DAT14__IPU_DISP0_DAT_14 0x5
> +						MX53_PAD_DISP0_DAT15__IPU_DISP0_DAT_15 0x5
> +						MX53_PAD_DISP0_DAT16__IPU_DISP0_DAT_16 0x5
> +						MX53_PAD_DISP0_DAT17__IPU_DISP0_DAT_17 0x5
> +						MX53_PAD_DISP0_DAT18__IPU_DISP0_DAT_18 0x5
> +						MX53_PAD_DISP0_DAT19__IPU_DISP0_DAT_19 0x5
> +						MX53_PAD_DISP0_DAT20__IPU_DISP0_DAT_20 0x5
> +						MX53_PAD_DISP0_DAT21__IPU_DISP0_DAT_21 0x5
> +						MX53_PAD_DISP0_DAT22__IPU_DISP0_DAT_22 0x5
> +						MX53_PAD_DISP0_DAT23__IPU_DISP0_DAT_23 0x5
> +						>;
> +					};
> +				};
> +
>  				owire {
>  					pinctrl_owire_1: owiregrp-1 {
>  						fsl,pins = <





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