Introduce compatible strings brcm,dpfe-cpu-v1 through brcm,dpfe-cpu-v3
to the Broadcom DPFE driver.
Signed-off-by: Markus Mayer <mmayer@xxxxxxxxxxxx>
---
drivers/memory/brcmstb_dpfe.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/memory/brcmstb_dpfe.c b/drivers/memory/brcmstb_dpfe.c
index a7ab3d377206..a44a70d028f6 100644
--- a/drivers/memory/brcmstb_dpfe.c
+++ b/drivers/memory/brcmstb_dpfe.c
@@ -924,7 +924,20 @@ static const struct of_device_id brcmstb_dpfe_of_match[] = {
{ .compatible = "brcm,bcm7271-dpfe-cpu", .data = &dpfe_api_old_v2 },
{ .compatible = "brcm,bcm7278-dpfe-cpu", .data = &dpfe_api_old_v2 },
{ .compatible = "brcm,bcm7211-dpfe-cpu", .data = &dpfe_api_new_v2 },
- /* API v3 is the default going forward */
+
+ /*
+ * Match the DPFE API flavour based on a versioned compatible string
+ * that tells us which API version the hardware speaks.
+ */
+ { .compatible = "brcm,dpfe-cpu-v1", .data = &dpfe_api_old_v2 },
+ { .compatible = "brcm,dpfe-cpu-v2", .data = &dpfe_api_new_v2 },
+ { .compatible = "brcm,dpfe-cpu-v3", .data = &dpfe_api_v3 },
+
+ /*
+ * This "default" compatible string should no longer be used. It has
+ * been removed from the binding but kept here for backward
+ * compatibility.
+ */
{ .compatible = "brcm,dpfe-cpu", .data = &dpfe_api_v3 },
{}
};
--
2.43.0
