soc: renesas: Introduce ARCH_RCAR_GEN4

Currently, all Kconfig symbols for R-Car Gen4 SoCs select the
ARCH_RCAR_GEN3 SoC family symbol, which might confuse the casual reader.

Fix this by introducing a new SoC family symbol for R-Car Gen4 SoCs.
For now this just selects ARCH_RCAR_GEN3, to avoid duplication, and to
relax dependencies.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/a283913ba7a39ec2dae0ebf9fc2b06096f009511.1706194617.git.geert+renesas@glider.be

diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 0986672f63757663e2e4401bc96a81406b6c13f7..784a2b50561d5a97dab14c8d5c1d08298cbb148d 100644 (file)
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -34,6 +34,10 @@ config ARCH_RCAR_GEN3
        select SYS_SUPPORTS_SH_CMT
        select SYS_SUPPORTS_SH_TMU
 
+config ARCH_RCAR_GEN4
+       bool
+       select ARCH_RCAR_GEN3
+
 config ARCH_RMOBILE
        bool
        select PM
@@ -240,7 +244,7 @@ config ARCH_R8A77961
 
 config ARCH_R8A779F0
        bool "ARM64 Platform support for R-Car S4-8"
-       select ARCH_RCAR_GEN3
+       select ARCH_RCAR_GEN4
        select SYSC_R8A779F0
        help
          This enables support for the Renesas R-Car S4-8 SoC.
@@ -261,14 +265,14 @@ config ARCH_R8A77970
 
 config ARCH_R8A779A0
        bool "ARM64 Platform support for R-Car V3U"
-       select ARCH_RCAR_GEN3
+       select ARCH_RCAR_GEN4
        select SYSC_R8A779A0
        help
          This enables support for the Renesas R-Car V3U SoC.
 
 config ARCH_R8A779G0
        bool "ARM64 Platform support for R-Car V4H"
-       select ARCH_RCAR_GEN3
+       select ARCH_RCAR_GEN4
        select SYSC_R8A779G0
        help
          This enables support for the Renesas R-Car V4H SoC.