clk: renesas: rcar-gen4: Introduce R-Car Gen4 CPG driver

According to the official website [1], the R-Car V3U SoC is based on the R-Car Gen4 architecture. So, introduce R-Car Gen4 CPG driver. [1] https://www.renesas.com/us/en/products/automotive-products/automotive-system-chips-socs/r-car-v3u-best-class-r-car-v3u-asil-d-system-chip-automated-driving Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/20211201073308.1003945-9-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
mariux64 · Dec 8, 2021 · 470e3f0 · 470e3f0
1 parent 33b22d9
commit 470e3f0
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Showing 7 changed files with 437 additions and 341 deletions.
diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig
@@ -149,8 +149,7 @@ config CLK_R8A77995
 
 config CLK_R8A779A0
 	bool "R-Car V3U clock support" if COMPILE_TEST
-	select CLK_RCAR_CPG_LIB
-	select CLK_RENESAS_CPG_MSSR
+	select CLK_RCAR_GEN4_CPG
 
 config CLK_R9A06G032
 	bool "RZ/N1D clock support" if COMPILE_TEST
@@ -178,6 +177,11 @@ config CLK_RCAR_GEN3_CPG
 	select CLK_RCAR_CPG_LIB
 	select CLK_RENESAS_CPG_MSSR
 
+config CLK_RCAR_GEN4_CPG
+	bool "R-Car Gen4 clock support" if COMPILE_TEST
+	select CLK_RCAR_CPG_LIB
+	select CLK_RENESAS_CPG_MSSR
+
 config CLK_RCAR_USB2_CLOCK_SEL
 	bool "Renesas R-Car USB2 clock selector support"
 	depends on ARCH_RENESAS || COMPILE_TEST

diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile
@@ -36,6 +36,7 @@ obj-$(CONFIG_CLK_SH73A0)		+= clk-sh73a0.o
 obj-$(CONFIG_CLK_RCAR_CPG_LIB)		+= rcar-cpg-lib.o
 obj-$(CONFIG_CLK_RCAR_GEN2_CPG)		+= rcar-gen2-cpg.o
 obj-$(CONFIG_CLK_RCAR_GEN3_CPG)		+= rcar-gen3-cpg.o
+obj-$(CONFIG_CLK_RCAR_GEN4_CPG)		+= rcar-gen4-cpg.o
 obj-$(CONFIG_CLK_RCAR_USB2_CLOCK_SEL)	+= rcar-usb2-clock-sel.o
 obj-$(CONFIG_CLK_RZG2L)			+= rzg2l-cpg.o