[media] v4l: vsp1: Support VSP1 instances without any UDS
Not all VSP1 instances include a UDS. Make the renesas,#uds DT property optional and accept a number of UDS equal to 0 as valid. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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@ -13,12 +13,13 @@ Required properties:
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- clocks: A phandle + clock-specifier pair for the VSP1 functional clock.
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- clocks: A phandle + clock-specifier pair for the VSP1 functional clock.
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- renesas,#rpf: Number of Read Pixel Formatter (RPF) modules in the VSP1.
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- renesas,#rpf: Number of Read Pixel Formatter (RPF) modules in the VSP1.
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- renesas,#uds: Number of Up Down Scaler (UDS) modules in the VSP1.
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- renesas,#wpf: Number of Write Pixel Formatter (WPF) modules in the VSP1.
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- renesas,#wpf: Number of Write Pixel Formatter (WPF) modules in the VSP1.
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Optional properties:
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Optional properties:
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- renesas,#uds: Number of Up Down Scaler (UDS) modules in the VSP1. Defaults
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to 0 if not present.
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- renesas,has-lif: Boolean, indicates that the LCD Interface (LIF) module is
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- renesas,has-lif: Boolean, indicates that the LCD Interface (LIF) module is
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available.
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available.
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- renesas,has-lut: Boolean, indicates that the Look Up Table (LUT) module is
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- renesas,has-lut: Boolean, indicates that the Look Up Table (LUT) module is
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@ -511,7 +511,7 @@ static int vsp1_parse_dt(struct vsp1_device *vsp1)
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return -EINVAL;
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return -EINVAL;
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}
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}
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if (pdata->uds_count <= 0 || pdata->uds_count > VSP1_MAX_UDS) {
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if (pdata->uds_count > VSP1_MAX_UDS) {
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dev_err(vsp1->dev, "invalid number of UDS (%u)\n",
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dev_err(vsp1->dev, "invalid number of UDS (%u)\n",
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pdata->uds_count);
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pdata->uds_count);
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return -EINVAL;
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return -EINVAL;
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