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| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2015-09-07 08:05:39 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-02-19 09:32:49 -0200 |
| commit | 7f2d50f8da43fde0c883c378fd81f64c8bca74eb (patch) | |
| tree | b73155aef9573d96cd1afae79d2f9793a1f94364 /drivers/media/platform/vsp1/vsp1_drv.c | |
| parent | 7b4baddca69e61cdbabe8caff614778d188d89d8 (diff) | |
| download | linux-7f2d50f8da43fde0c883c378fd81f64c8bca74eb.tar.gz linux-7f2d50f8da43fde0c883c378fd81f64c8bca74eb.tar.xz | |
[media] v4l: vsp1: Add support for the R-Car Gen3 VSP2
Add DT compatible strings for the VSP2 instances found in the R-Car Gen3
SoCs and support them in the vsp1 driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/platform/vsp1/vsp1_drv.c')
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_drv.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c index 74b5920e516b..7530dbc978cd 100644 --- a/drivers/media/platform/vsp1/vsp1_drv.c +++ b/drivers/media/platform/vsp1/vsp1_drv.c @@ -579,6 +579,7 @@ static int vsp1_probe(struct platform_device *pdev) struct vsp1_device *vsp1; struct resource *irq; struct resource *io; + u32 version; int ret; vsp1 = devm_kzalloc(&pdev->dev, sizeof(*vsp1), GFP_KERNEL); @@ -619,6 +620,29 @@ static int vsp1_probe(struct platform_device *pdev) return ret; } + /* Configure device parameters based on the version register. */ + ret = clk_prepare_enable(vsp1->clock); + if (ret < 0) + return ret; + + version = vsp1_read(vsp1, VI6_IP_VERSION); + clk_disable_unprepare(vsp1->clock); + + dev_dbg(&pdev->dev, "IP version 0x%08x\n", version); + + switch (version & VI6_IP_VERSION_MODEL_MASK) { + case VI6_IP_VERSION_MODEL_VSPD_GEN3: + vsp1->pdata.num_bru_inputs = 5; + vsp1->pdata.uapi = false; + break; + + case VI6_IP_VERSION_MODEL_VSPI_GEN3: + case VI6_IP_VERSION_MODEL_VSPBD_GEN3: + case VI6_IP_VERSION_MODEL_VSPBC_GEN3: + vsp1->pdata.features &= ~VSP1_HAS_BRU; + break; + } + /* Instanciate entities */ ret = vsp1_create_entities(vsp1); if (ret < 0) { @@ -642,6 +666,7 @@ static int vsp1_remove(struct platform_device *pdev) static const struct of_device_id vsp1_of_match[] = { { .compatible = "renesas,vsp1" }, + { .compatible = "renesas,vsp2" }, { }, }; |