[PATCH] pinctrl: renesas: Add support for R8A774C0

[Lad Prabhakar]

Renesas RZ/G2E (a.k.a. r8a774c0) is pin compatible with R-Car
E3 (a.k.a. r8a77990), however it doesn't have several automotive
specific peripherals.

This patch hooks R8A774C0 SoC with the pfc driver.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz at bp.renesas.com>
---
 arch/arm/mach-rmobile/Kconfig.64 |  1 +
 drivers/pinctrl/renesas/Kconfig  | 10 ++++++++++
 drivers/pinctrl/renesas/Makefile |  1 +
 drivers/pinctrl/renesas/pfc.c    | 11 +++++++++++
 drivers/pinctrl/renesas/sh_pfc.h |  1 +
 5 files changed, 24 insertions(+)

diff --git a/arch/arm/mach-rmobile/Kconfig.64 b/arch/arm/mach-rmobile/Kconfig.64
index 56c522596a..90bc4acd08 100644
--- a/arch/arm/mach-rmobile/Kconfig.64
+++ b/arch/arm/mach-rmobile/Kconfig.64
@@ -15,6 +15,7 @@ config R8A774B1
 config R8A774C0
 	bool "Renesas SoC R8A774C0"
 	imply CLK_R8A774C0
+	imply PINCTRL_PFC_R8A774C0
 
 config R8A774E1
 	bool "Renesas SoC R8A774E1"
diff --git a/drivers/pinctrl/renesas/Kconfig b/drivers/pinctrl/renesas/Kconfig
index d2be4c84ba..8fb9cba387 100644
--- a/drivers/pinctrl/renesas/Kconfig
+++ b/drivers/pinctrl/renesas/Kconfig
@@ -77,6 +77,16 @@ config PINCTRL_PFC_R8A774B1
           the GPIO definitions and pin control functions for each available
           multiplex function.
 
+config PINCTRL_PFC_R8A774C0
+        bool "Renesas RZ/G2 R8A774C0 pin control driver"
+        depends on PINCTRL_PFC
+        help
+          Support pin multiplexing control on Renesas RZ/G2E R8A774C0 SoCs.
+
+          The driver is controlled by a device tree node which contains both
+          the GPIO definitions and pin control functions for each available
+          multiplex function.
+
 config PINCTRL_PFC_R8A774E1
         bool "Renesas RZ/G2 R8A774E1 pin control driver"
         depends on PINCTRL_PFC
diff --git a/drivers/pinctrl/renesas/Makefile b/drivers/pinctrl/renesas/Makefile
index 1d00752051..0e2ac3c513 100644
--- a/drivers/pinctrl/renesas/Makefile
+++ b/drivers/pinctrl/renesas/Makefile
@@ -1,6 +1,7 @@
 obj-$(CONFIG_PINCTRL_PFC) += pfc.o
 obj-$(CONFIG_PINCTRL_PFC_R8A774A1) += pfc-r8a7796.o
 obj-$(CONFIG_PINCTRL_PFC_R8A774B1) += pfc-r8a77965.o
+obj-$(CONFIG_PINCTRL_PFC_R8A774C0) += pfc-r8a77990.o
 obj-$(CONFIG_PINCTRL_PFC_R8A774E1) += pfc-r8a7795.o
 obj-$(CONFIG_PINCTRL_PFC_R8A7790) += pfc-r8a7790.o
 obj-$(CONFIG_PINCTRL_PFC_R8A7791) += pfc-r8a7791.o
diff --git a/drivers/pinctrl/renesas/pfc.c b/drivers/pinctrl/renesas/pfc.c
index 4c1e770422..8a566f7139 100644
--- a/drivers/pinctrl/renesas/pfc.c
+++ b/drivers/pinctrl/renesas/pfc.c
@@ -34,6 +34,7 @@ enum sh_pfc_model {
 	SH_PFC_R8A7796,
 	SH_PFC_R8A774A1,
 	SH_PFC_R8A774B1,
+	SH_PFC_R8A774C0,
 	SH_PFC_R8A774E1,
 	SH_PFC_R8A77965,
 	SH_PFC_R8A77970,
@@ -909,6 +910,10 @@ static int sh_pfc_pinctrl_probe(struct udevice *dev)
 	if (model == SH_PFC_R8A774B1)
 		priv->pfc.info = &r8a774b1_pinmux_info;
 #endif
+#ifdef CONFIG_PINCTRL_PFC_R8A774C0
+	if (model == SH_PFC_R8A774C0)
+		priv->pfc.info = &r8a774c0_pinmux_info;
+#endif
 #ifdef CONFIG_PINCTRL_PFC_R8A774E1
 	if (model == SH_PFC_R8A774E1)
 		priv->pfc.info = &r8a774e1_pinmux_info;
@@ -996,6 +1001,12 @@ static const struct udevice_id sh_pfc_pinctrl_ids[] = {
 		.data = SH_PFC_R8A774B1,
 	},
 #endif
+#ifdef CONFIG_PINCTRL_PFC_R8A774C0
+	{
+		.compatible = "renesas,pfc-r8a774c0",
+		.data = SH_PFC_R8A774C0,
+	},
+#endif
 #ifdef CONFIG_PINCTRL_PFC_R8A774E1
 	{
 		.compatible = "renesas,pfc-r8a774e1",
diff --git a/drivers/pinctrl/renesas/sh_pfc.h b/drivers/pinctrl/renesas/sh_pfc.h
index 22cc860f29..f563916f10 100644
--- a/drivers/pinctrl/renesas/sh_pfc.h
+++ b/drivers/pinctrl/renesas/sh_pfc.h
@@ -295,6 +295,7 @@ sh_pfc_pin_to_bias_reg(const struct sh_pfc *pfc, unsigned int pin,
 
 extern const struct sh_pfc_soc_info r8a774a1_pinmux_info;
 extern const struct sh_pfc_soc_info r8a774b1_pinmux_info;
+extern const struct sh_pfc_soc_info r8a774c0_pinmux_info;
 extern const struct sh_pfc_soc_info r8a774e1_pinmux_info;
 extern const struct sh_pfc_soc_info r8a7790_pinmux_info;
 extern const struct sh_pfc_soc_info r8a7791_pinmux_info;
-- 
2.17.1