Add hw_revision field information of the media controller so that
application can distinguish between variants of DCMIPP implementations.

Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
---
 drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-core.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-core.c b/drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-core.c
index 50b9b964fbc4..d2cc19bb40d7 100644
--- a/drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-core.c
+++ b/drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-core.c
@@ -87,6 +87,7 @@ struct dcmipp_pipeline_config {
 	size_t num_ents;
 	const struct dcmipp_ent_link *links;
 	size_t num_links;
+	u32 hw_revision;
 };
 
 /* --------------------------------------------------------------------------
@@ -122,11 +123,13 @@ static const struct dcmipp_ent_link stm32mp13_ent_links[] = {
 			MEDIA_LNK_FL_ENABLED | MEDIA_LNK_FL_IMMUTABLE),
 };
 
+#define DCMIPP_STM32MP13_VERR	0x10
 static const struct dcmipp_pipeline_config stm32mp13_pipe_cfg = {
 	.ents		= stm32mp13_ent_config,
 	.num_ents	= ARRAY_SIZE(stm32mp13_ent_config),
 	.links		= stm32mp13_ent_links,
-	.num_links	= ARRAY_SIZE(stm32mp13_ent_links)
+	.num_links	= ARRAY_SIZE(stm32mp13_ent_links),
+	.hw_revision	= DCMIPP_STM32MP13_VERR
 };
 
 #define LINK_FLAG_TO_STR(f) ((f) == 0 ? "" :\
@@ -496,6 +499,7 @@ static int dcmipp_probe(struct platform_device *pdev)
 	/* Initialize media device */
 	strscpy(dcmipp->mdev.model, DCMIPP_MDEV_MODEL_NAME,
 		sizeof(dcmipp->mdev.model));
+	dcmipp->mdev.hw_revision = pipe_cfg->hw_revision;
 	dcmipp->mdev.dev = &pdev->dev;
 	media_device_init(&dcmipp->mdev);
 

-- 
2.25.1