[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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