ARM: shmobile: r8a7778: Register PFC device

Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/Kconfig

@@ -37,6 +37,7 @@ config ARCH_R8A7740
 
 config ARCH_R8A7778
 	bool "R-Car M1 (R8A77780)"
+	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select CPU_V7
 	select SH_CLK_CPG
 	select ARM_GIC

arch/arm/mach-shmobile/include/mach/r8a7778.h

@@ -28,5 +28,6 @@ extern void r8a7778_init_irq(void);
 extern void r8a7778_init_irq_dt(void);
 extern void r8a7778_clock_init(void);
 extern void r8a7778_init_irq_extpin(int irlm);
+extern void r8a7778_pinmux_init(void);
 
 #endif /* __ASM_R8A7778_H__ */

arch/arm/mach-shmobile/setup-r8a7778.c

@@ -94,6 +94,19 @@ static struct resource ether_resources[] = {
 		&sh_tmu##idx##_platform_data,		\
 		sizeof(sh_tmu##idx##_platform_data))
 
+/* PFC */
+static struct resource pfc_resources[] = {
+	DEFINE_RES_MEM(0xfffc0000, 0x118),
+};
+
+void __init r8a7778_pinmux_init(void)
+{
+	platform_device_register_simple(
+		"pfc-r8a7778", -1,
+		pfc_resources,
+		ARRAY_SIZE(pfc_resources));
+}
+
 void __init r8a7778_add_standard_devices(void)
 {
 	int i;