The "renesas,scif" compatible value is currently used for the SCIF
variant in all Renesas SoCs of the R-Car family. However, the variant
used in the R-Car family is not the common "SH-4(A)" variant, but a
derivative with added "Baud Rate Generator for External Clock" (BRG),
which is also present in sh7734.
Use the (already documented) SoC-specific SCIF compatible values for all
supported R-Car Gen1, Gen2, and Gen3 SoCs to differentiate. The
"renesas,scif" compatible value can still be used as a common
denominator for SCIF variants with the "SH-4(A)" register layout (i.e.
ignoring the "Serial Extension Mode Register" (SCEMR) and the new
BRG-specific registers).
Signed-off-by: Geert Uytterhoeven <geert+rene...@glider.be>
---
drivers/tty/serial/sh-sci.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index b0127f38af744fcf..726c96d5a511c222 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -2605,6 +2605,30 @@ static const struct of_device_id of_sci_match[] = {
{
.compatible = "renesas,scif-r7s72100",
.data = SCI_OF_DATA(PORT_SCIF, SCIx_SH2_SCIF_FIFODATA_REGTYPE),
+ }, {
+ .compatible = "renesas,scif-r8a7778",
+ .data = SCI_OF_DATA(PORT_SCIF, SCIx_SH4_SCIF_BRG_REGTYPE),
+ }, {
+ .compatible = "renesas,scif-r8a7779",
+ .data = SCI_OF_DATA(PORT_SCIF, SCIx_SH4_SCIF_BRG_REGTYPE),
+ }, {
+ .compatible = "renesas,scif-r8a7790",
+ .data = SCI_OF_DATA(PORT_SCIF, SCIx_SH4_SCIF_BRG_REGTYPE),
+ }, {
+ .compatible = "renesas,scif-r8a7791",
+ .data = SCI_OF_DATA(PORT_SCIF, SCIx_SH4_SCIF_BRG_REGTYPE),
+ }, {
+ .compatible = "renesas,scif-r8a7792",
+ .data = SCI_OF_DATA(PORT_SCIF, SCIx_SH4_SCIF_BRG_REGTYPE),
+ }, {
+ .compatible = "renesas,scif-r8a7793",
+ .data = SCI_OF_DATA(PORT_SCIF, SCIx_SH4_SCIF_BRG_REGTYPE),
+ }, {
+ .compatible = "renesas,scif-r8a7794",
+ .data = SCI_OF_DATA(PORT_SCIF, SCIx_SH4_SCIF_BRG_REGTYPE),
+ }, {
+ .compatible = "renesas,scif-r8a7795",
+ .data = SCI_OF_DATA(PORT_SCIF, SCIx_SH4_SCIF_BRG_REGTYPE),
},
/* Generic types */
{
--
1.9.1
--
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