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staging: imx-drm: add LVDS666 support for parallel display

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Support the LVDS666 format on the IPUv3 parallel display.
This makes the screen work on my Hercules eCAFE Slim HD.

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Emil Renner Berthing 2014-03-29 13:57:44 +01:00 committed by Greg Kroah-Hartman
parent d63bc1fb0f
commit 9e74d2926a
3 changed files with 12 additions and 0 deletions
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1
Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt
View file

@ -61,6 +61,7 @@ Required properties:
Optional properties:
- interface_pix_fmt: How this display is connected to the
display interface. Currently supported types: "rgb24", "rgb565", "bgr666"
and "lvds666".
- edid: verbatim EDID data block describing attached display.
- ddc: phandle describing the i2c bus handling the display data
channel

9
drivers/staging/imx-drm/ipu-v3/ipu-dc.c
View file

@ -91,6 +91,7 @@ enum ipu_dc_map {
IPU_DC_MAP_RGB565,
IPU_DC_MAP_GBR24, /* TVEv2 */
IPU_DC_MAP_BGR666,
IPU_DC_MAP_LVDS666,
IPU_DC_MAP_BGR24,
};
@ -153,6 +154,8 @@ static int ipu_pixfmt_to_map(u32 fmt)
return IPU_DC_MAP_GBR24;
case V4L2_PIX_FMT_BGR666:
return IPU_DC_MAP_BGR666;
case v4l2_fourcc('L', 'V', 'D', '6'):
return IPU_DC_MAP_LVDS666;
case V4L2_PIX_FMT_BGR24:
return IPU_DC_MAP_BGR24;
default:
@ -398,6 +401,12 @@ int ipu_dc_init(struct ipu_soc *ipu, struct device *dev,
ipu_dc_map_config(priv, IPU_DC_MAP_BGR666, 1, 11, 0xfc); /* green */
ipu_dc_map_config(priv, IPU_DC_MAP_BGR666, 2, 17, 0xfc); /* red */
/* lvds666 */
ipu_dc_map_clear(priv, IPU_DC_MAP_LVDS666);
ipu_dc_map_config(priv, IPU_DC_MAP_LVDS666, 0, 5, 0xfc); /* blue */
ipu_dc_map_config(priv, IPU_DC_MAP_LVDS666, 1, 13, 0xfc); /* green */
ipu_dc_map_config(priv, IPU_DC_MAP_LVDS666, 2, 21, 0xfc); /* red */
/* bgr24 */
ipu_dc_map_clear(priv, IPU_DC_MAP_BGR24);
ipu_dc_map_config(priv, IPU_DC_MAP_BGR24, 2, 7, 0xff); /* red */

2
drivers/staging/imx-drm/parallel-display.c
View file

@ -219,6 +219,8 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data)
imxpd->interface_pix_fmt = V4L2_PIX_FMT_RGB565;
else if (!strcmp(fmt, "bgr666"))
imxpd->interface_pix_fmt = V4L2_PIX_FMT_BGR666;
else if (!strcmp(fmt, "lvds666"))
imxpd->interface_pix_fmt = v4l2_fourcc('L', 'V', 'D', '6');
}
panel_node = of_parse_phandle(np, "fsl,panel", 0);