soc: bcm: Move power-domain drivers to the genpd dir

To simplify with maintenance let's move the bcm power-domain drivers to the
new genpd directory. Going forward, patches are intended to be managed
through a separate git tree, according to MAINTAINERS.

While moving the drivers, we end up with a directory for bcm63xx that only
contains a Kconfig file, which seems a bit silly. Let's therefore also move
the Kconfig options into the Kconfig file a directory above, as it allows
us to drop the directory too.

Cc: Florian Fainelli <florian.fainelli@broadcom.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: <linux-mips@vger.kernel.org>
Cc: <linux-rpi-kernel@lists.infradead.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Author: Ulf Hansson

MAINTAINERS

@@ -4009,7 +4009,7 @@ F:	arch/mips/kernel/*bmips*
 F:	drivers/irqchip/irq-bcm63*
 F:	drivers/irqchip/irq-bcm7*
 F:	drivers/irqchip/irq-brcmstb*
-F:	drivers/soc/bcm/bcm63xx
+F:	drivers/genpd/bcm/bcm63xx-power.c
 F:	include/linux/bcm963xx_nvram.h
 F:	include/linux/bcm963xx_tag.h
 
@@ -4224,7 +4224,7 @@ R:	Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
 L:	linux-pm@vger.kernel.org
 S:	Maintained
 T:	git https://github.com/broadcom/stblinux.git
-F:	drivers/soc/bcm/bcm63xx/bcm-pmb.c
+F:	drivers/genpd/bcm/bcm-pmb.c
 F:	include/dt-bindings/soc/bcm-pmb.h
 
 BROADCOM SPECIFIC AMBA DRIVER (BCMA)

drivers/genpd/Makefile

@@ -2,3 +2,4 @@
 obj-y					+= actions/
 obj-y					+= amlogic/
 obj-y					+= apple/
+obj-y					+= bcm/

drivers/genpd/bcm/Makefile

@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_BCM_PMB)			+= bcm-pmb.o
+obj-$(CONFIG_BCM2835_POWER)		+= bcm2835-power.o
+obj-$(CONFIG_BCM63XX_POWER)		+= bcm63xx-power.o
+obj-$(CONFIG_RASPBERRYPI_POWER)		+= raspberrypi-power.o

drivers/soc/bcm/bcm63xx/bcm-pmb.c drivers/genpd/bcm/bcm-pmb.cdrivers/soc/bcm/bcm63xx/bcm-pmb.c renamed to drivers/genpd/bcm/bcm-pmb.c

@@ -42,7 +42,27 @@ config SOC_BRCMSTB
 
 	  If unsure, say N.
 
-source "drivers/soc/bcm/bcm63xx/Kconfig"
+config BCM_PMB
+	bool "Broadcom PMB (Power Management Bus) driver"
+	depends on ARCH_BCMBCA || (COMPILE_TEST && OF)
+	default ARCH_BCMBCA
+	select PM_GENERIC_DOMAINS if PM
+	help
+	  This enables support for the Broadcom's PMB (Power Management Bus) that
+	  is used for disabling and enabling SoC devices.
+
+if SOC_BCM63XX
+
+config BCM63XX_POWER
+	bool "BCM63xx power domain driver"
+	depends on BMIPS_GENERIC || (COMPILE_TEST && OF)
+	select PM_GENERIC_DOMAINS if PM
+	help
+	  This enables support for the BCM63xx power domains controller on
+	  BCM6318, BCM6328, BCM6362 and BCM63268 SoCs.
+
+endif # SOC_BCM63XX
+
 source "drivers/soc/bcm/brcmstb/Kconfig"
 
 endmenu

drivers/soc/bcm/bcm2835-power.c drivers/genpd/bcm/bcm2835-power.cdrivers/soc/bcm/bcm2835-power.c renamed to drivers/genpd/bcm/bcm2835-power.c

@@ -1,5 +1,2 @@
 # SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_BCM2835_POWER)	+= bcm2835-power.o
-obj-$(CONFIG_RASPBERRYPI_POWER)	+= raspberrypi-power.o
-obj-y				+= bcm63xx/
 obj-$(CONFIG_SOC_BRCMSTB)	+= brcmstb/