Adds of-alias id to ipu_soc and retrieve with ipu_get_num().
ipu_get_num() is used to select inputs to CSI units in IOMUXC.
It is also used to select an SMFC channel for video capture.
Signed-off-by: Steve Longerbeam <steve_longerb...@mentor.com>
---
drivers/gpu/ipu-v3/ipu-common.c | 8 ++++++++
drivers/gpu/ipu-v3/ipu-prv.h | 1 +
include/video/imx-ipu-v3.h | 5 +++++
3 files changed, 14 insertions(+)
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index 04e7b2e..a92f48b 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -55,6 +55,12 @@ static inline void ipu_idmac_write(struct ipu_soc *ipu, u32
value,
writel(value, ipu->idmac_reg + offset);
}
+int ipu_get_num(struct ipu_soc *ipu)
+{
+ return ipu->id;
+}
+EXPORT_SYMBOL_GPL(ipu_get_num);
+
void ipu_srm_dp_sync_update(struct ipu_soc *ipu)
{
u32 val;
@@ -1205,6 +1211,7 @@ static int ipu_probe(struct platform_device *pdev)
{
const struct of_device_id *of_id =
of_match_device(imx_ipu_dt_ids, &pdev->dev);
+ struct device_node *np = pdev->dev.of_node;
struct ipu_soc *ipu;
struct resource *res;
unsigned long ipu_base;
@@ -1233,6 +1240,7 @@ static int ipu_probe(struct platform_device *pdev)
ipu->channel[i].ipu = ipu;
ipu->devtype = devtype;
ipu->ipu_type = devtype->type;
+ ipu->id = of_alias_get_id(np, "ipu");
spin_lock_init(&ipu->lock);
mutex_init(&ipu->channel_lock);
diff --git a/drivers/gpu/ipu-v3/ipu-prv.h b/drivers/gpu/ipu-v3/ipu-prv.h
index c93f50e..55ae20c 100644
--- a/drivers/gpu/ipu-v3/ipu-prv.h
+++ b/drivers/gpu/ipu-v3/ipu-prv.h
@@ -166,6 +166,7 @@ struct ipu_soc {
void __iomem *idmac_reg;
struct ipu_ch_param __iomem *cpmem_base;
+ int id;
int usecount;
struct clk *clk;
diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index 3e43e22..739d204 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -93,6 +93,11 @@ int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct
ipuv3_channel *channel,
#define IPU_IRQ_VSYNC_PRE_1 (448 + 15)
/*
+ * IPU Common functions
+ */
+int ipu_get_num(struct ipu_soc *ipu);
+
+/*
* IPU Image DMA Controller (idmac) functions
*/
struct ipuv3_channel *ipu_idmac_get(struct ipu_soc *ipu, unsigned channel);
--
1.7.9.5
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