ARM: rmobile: Switch to DM PFC pinmux and GPIO driver

Enable the PFC pinmux and GPIO drivers and disable the SH GPIO combo
driver. This allows the drivers to obtain pinmux and GPIO configuration
from DT rather than hard-coding it in board files.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

board/renesas/salvator-x/salvator-x.c

@@ -82,12 +82,14 @@ int board_init(void)
 	/* adress of boot parameters */
 	gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
 
+#ifdef CONFIG_SH_GPIO_PFC
 	/* Init PFC controller */
 #if defined(CONFIG_R8A7795)
 	r8a7795_pinmux_init();
 #elif defined(CONFIG_R8A7796)
 	r8a7796_pinmux_init();
 #endif
+#endif
 
 #if defined(CONFIG_R8A7795)
 	/* GSX: force power and clock supply */

board/renesas/ulcb/ulcb.c

@@ -81,12 +81,14 @@ int board_init(void)
 	/* adress of boot parameters */
 	gd->bd->bi_boot_params = CONFIG_SYS_TEXT_BASE + 0x50000;
 
+#ifdef CONFIG_SH_GPIO_PFC
 	/* Init PFC controller */
 #if defined(CONFIG_R8A7795)
 	r8a7795_pinmux_init();
 #elif defined(CONFIG_R8A7796)
 	r8a7796_pinmux_init();
 #endif
+#endif
 
 	/* USB1 pull-up */
 	setbits_le32(PFC_PUEN6, PUEN_USB1_OVC | PUEN_USB1_PWEN);

configs/r8a7795_salvator-x_defconfig

@@ -29,12 +29,16 @@ CONFIG_OF_CONTROL=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_CLK=y
 CONFIG_CLK_RENESAS=y
+CONFIG_DM_GPIO=y
+CONFIG_RCAR_GPIO=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_UNIPHIER=y
 CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ90X1=y
 CONFIG_DM_ETH=y
 CONFIG_RENESAS_RAVB=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_PFC=y
 CONFIG_DM_REGULATOR=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y

configs/r8a7795_ulcb_defconfig

@@ -28,10 +28,14 @@ CONFIG_OF_CONTROL=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_CLK=y
 CONFIG_CLK_RENESAS=y
+CONFIG_DM_GPIO=y
+CONFIG_RCAR_GPIO=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_UNIPHIER=y
 CONFIG_DM_ETH=y
 CONFIG_RENESAS_RAVB=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_PFC=y
 CONFIG_DM_REGULATOR=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y

configs/r8a7796_salvator-x_defconfig

@@ -30,12 +30,16 @@ CONFIG_OF_CONTROL=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_CLK=y
 CONFIG_CLK_RENESAS=y
+CONFIG_DM_GPIO=y
+CONFIG_RCAR_GPIO=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_UNIPHIER=y
 CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ90X1=y
 CONFIG_DM_ETH=y
 CONFIG_RENESAS_RAVB=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_PFC=y
 CONFIG_DM_REGULATOR=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y

configs/r8a7796_ulcb_defconfig

@@ -29,10 +29,14 @@ CONFIG_OF_CONTROL=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_CLK=y
 CONFIG_CLK_RENESAS=y
+CONFIG_DM_GPIO=y
+CONFIG_RCAR_GPIO=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_UNIPHIER=y
 CONFIG_DM_ETH=y
 CONFIG_RENESAS_RAVB=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_PFC=y
 CONFIG_DM_REGULATOR=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y

include/configs/rcar-gen3-common.h

@@ -31,8 +31,6 @@
 
 #define CONFIG_ARCH_CPU_INIT
 
-#define CONFIG_SH_GPIO_PFC
-
 /* console */
 #define CONFIG_SYS_CBSIZE		2048
 #define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE