pinctrl/abx500: add AB8540 sub-driver

Add AB8540 sub driver to the ABx500 family, pins, pin groups and
gpio range.

As the pin controller (also the ABx500 controllers) is an
inherent part of the SoC and will prevent boot if not
available, select this from the Ux500 SoC Kconfig.
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Patrice Chotard <patrice.chotard@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/mach-ux500/Kconfig

@@ -23,6 +23,7 @@ config UX500_SOC_DB8500
 	select PINCTRL_AB8500
 	select PINCTRL_AB8505
 	select PINCTRL_AB9540
+	select PINCTRL_AB8540
 	select REGULATOR
 	select REGULATOR_DB8500_PRCMU
 

drivers/pinctrl/Kconfig

@@ -37,6 +37,10 @@ config PINCTRL_AB8500
 	bool "AB8500 pin controller driver"
 	depends on PINCTRL_ABX500 && ARCH_U8500
 
+config PINCTRL_AB8540
+	bool "AB8540 pin controller driver"
+	depends on PINCTRL_ABX500 && ARCH_U8500
+
 config PINCTRL_AB9540
 	bool "AB9540 pin controller driver"
 	depends on PINCTRL_ABX500 && ARCH_U8500

drivers/pinctrl/Makefile

@@ -11,6 +11,7 @@ endif
 obj-$(CONFIG_GENERIC_PINCONF)	+= pinconf-generic.o
 obj-$(CONFIG_PINCTRL_ABX500)	+= pinctrl-abx500.o
 obj-$(CONFIG_PINCTRL_AB8500)	+= pinctrl-ab8500.o
+obj-$(CONFIG_PINCTRL_AB8540)	+= pinctrl-ab8540.o
 obj-$(CONFIG_PINCTRL_AB9540)	+= pinctrl-ab9540.o
 obj-$(CONFIG_PINCTRL_AB8505)	+= pinctrl-ab8505.o
 obj-$(CONFIG_PINCTRL_AT91)	+= pinctrl-at91.o

drivers/pinctrl/pinctrl-abx500.c

@@ -1119,6 +1119,9 @@ static int abx500_gpio_probe(struct platform_device *pdev)
 	case PINCTRL_AB8500:
 		abx500_pinctrl_ab8500_init(&pct->soc);
 		break;
+	case PINCTRL_AB8540:
+		abx500_pinctrl_ab8540_init(&pct->soc);
+		break;
 	case PINCTRL_AB9540:
 		abx500_pinctrl_ab9540_init(&pct->soc);
 		break;

drivers/pinctrl/pinctrl-abx500.h

@@ -190,6 +190,19 @@ abx500_pinctrl_ab8500_init(struct abx500_pinctrl_soc_data **soc)
 
 #endif
 
+#ifdef CONFIG_PINCTRL_AB8540
+
+void abx500_pinctrl_ab8540_init(struct abx500_pinctrl_soc_data **soc);
+
+#else
+
+static inline void
+abx500_pinctrl_ab8540_init(struct abx500_pinctrl_soc_data **soc)
+{
+}
+
+#endif
+
 #ifdef CONFIG_PINCTRL_AB9540
 
 void abx500_pinctrl_ab9540_init(struct abx500_pinctrl_soc_data **soc);