This pull request contains drivers related changes for Broadcom SoCs:

- Florian moves drivers/soc/brcmstb to drivers/soc/bcm/brcmstb to be consistent with
   how other SoCs are doing it
 
 - Chris provides a reset driver which is common to the BCM21664 and BCM23550 SoCs
 
 - Ben fixes a warning by providing the appropriate include file
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Merge tag 'arm-soc/for-4.8/drivers' of http://github.com/Broadcom/stblinux into next/drivers

This pull request contains drivers related changes for Broadcom SoCs:

- Florian moves drivers/soc/brcmstb to drivers/soc/bcm/brcmstb to be consistent with
  how other SoCs are doing it

- Chris provides a reset driver which is common to the BCM21664 and BCM23550 SoCs

- Ben fixes a warning by providing the appropriate include file

* tag 'arm-soc/for-4.8/drivers' of http://github.com/Broadcom/stblinux:
  soc: brcmstb: fix warning from missing include
  power: Introduce Broadcom kona reset driver
  soc: Move brcmstb to bcm/brcmstb

Signed-off-by: Olof Johansson <olof@lixom.net>

MAINTAINERS

@@ -2489,6 +2489,7 @@ F:	arch/arm64/boot/dts/broadcom/
 F:	arch/arm/configs/bcm_defconfig
 F:	drivers/mmc/host/sdhci-bcm-kona.c
 F:	drivers/clocksource/bcm_kona_timer.c
+F:	drivers/power/reset/brcm-kona-reset.c
 
 BROADCOM BCM2835 ARM ARCHITECTURE
 M:	Stephen Warren <swarren@wwwdotorg.org>

drivers/power/reset/Kconfig

@@ -46,6 +46,16 @@ config POWER_RESET_AXXIA
 
 	  Say Y if you have an Axxia family SoC.
 
+config POWER_RESET_BRCMKONA
+	bool "Broadcom Kona reset driver"
+	depends on ARM || COMPILE_TEST
+	default ARCH_BCM_MOBILE
+	help
+	  This driver provides restart support for Broadcom Kona chips.
+
+	  Say Y here if you have a Broadcom Kona-based board and you wish
+	  to have restart support.
+
 config POWER_RESET_BRCMSTB
 	bool "Broadcom STB reset driver"
 	depends on ARM || MIPS || COMPILE_TEST

drivers/power/reset/Makefile

@@ -3,6 +3,7 @@ obj-$(CONFIG_POWER_RESET_AT91_POWEROFF) += at91-poweroff.o
 obj-$(CONFIG_POWER_RESET_AT91_RESET) += at91-reset.o
 obj-$(CONFIG_POWER_RESET_AT91_SAMA5D2_SHDWC) += at91-sama5d2_shdwc.o
 obj-$(CONFIG_POWER_RESET_AXXIA) += axxia-reset.o
+obj-$(CONFIG_POWER_RESET_BRCMKONA) += brcm-kona-reset.o
 obj-$(CONFIG_POWER_RESET_BRCMSTB) += brcmstb-reboot.o
 obj-$(CONFIG_POWER_RESET_GPIO) += gpio-poweroff.o
 obj-$(CONFIG_POWER_RESET_GPIO_RESTART) += gpio-restart.o

drivers/power/reset/brcm-kona-reset.c

@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2016 Broadcom
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/io.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/reboot.h>
+
+#define RSTMGR_REG_WR_ACCESS_OFFSET	0
+#define RSTMGR_REG_CHIP_SOFT_RST_OFFSET	4
+
+#define RSTMGR_WR_PASSWORD		0xa5a5
+#define RSTMGR_WR_PASSWORD_SHIFT	8
+#define RSTMGR_WR_ACCESS_ENABLE		1
+
+static void __iomem *kona_reset_base;
+
+static int kona_reset_handler(struct notifier_block *this,
+				unsigned long mode, void *cmd)
+{
+	/*
+	 * A soft reset is triggered by writing a 0 to bit 0 of the soft reset
+	 * register. To write to that register we must first write the password
+	 * and the enable bit in the write access enable register.
+	 */
+	writel((RSTMGR_WR_PASSWORD << RSTMGR_WR_PASSWORD_SHIFT) |
+		RSTMGR_WR_ACCESS_ENABLE,
+		kona_reset_base + RSTMGR_REG_WR_ACCESS_OFFSET);
+	writel(0, kona_reset_base + RSTMGR_REG_CHIP_SOFT_RST_OFFSET);
+
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block kona_reset_nb = {
+	.notifier_call = kona_reset_handler,
+	.priority = 128,
+};
+
+static int kona_reset_probe(struct platform_device *pdev)
+{
+	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+	kona_reset_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(kona_reset_base))
+		return PTR_ERR(kona_reset_base);
+
+	return register_restart_handler(&kona_reset_nb);
+}
+
+static const struct of_device_id of_match[] = {
+	{ .compatible = "brcm,bcm21664-resetmgr" },
+	{},
+};
+
+static struct platform_driver bcm_kona_reset_driver = {
+	.probe = kona_reset_probe,
+	.driver = {
+		.name = "brcm-kona-reset",
+		.of_match_table = of_match,
+	},
+};
+
+builtin_platform_driver(bcm_kona_reset_driver);

drivers/soc/Kconfig

@@ -1,7 +1,6 @@
 menu "SOC (System On Chip) specific Drivers"
 
 source "drivers/soc/bcm/Kconfig"
-source "drivers/soc/brcmstb/Kconfig"
 source "drivers/soc/fsl/qe/Kconfig"
 source "drivers/soc/mediatek/Kconfig"
 source "drivers/soc/qcom/Kconfig"

drivers/soc/Makefile

@@ -3,7 +3,6 @@
 #
 
 obj-y				+= bcm/
-obj-$(CONFIG_SOC_BRCMSTB)	+= brcmstb/
 obj-$(CONFIG_ARCH_DOVE)		+= dove/
 obj-$(CONFIG_MACH_DOVE)		+= dove/
 obj-y				+= fsl/

drivers/soc/bcm/Kconfig

@@ -1,3 +1,5 @@
+menu "Broadcom SoC drivers"
+
 config RASPBERRYPI_POWER
 	bool "Raspberry Pi power domain driver"
 	depends on ARCH_BCM2835 || COMPILE_TEST
@@ -7,3 +9,16 @@ config RASPBERRYPI_POWER
 	help
 	  This enables support for the RPi power domains which can be enabled
 	  or disabled via the RPi firmware.
+
+config SOC_BRCMSTB
+	bool "Broadcom STB SoC drivers"
+	depends on ARM
+	select SOC_BUS
+	help
+	  Enables drivers for the Broadcom Set-Top Box (STB) series of chips.
+	  This option alone enables only some support code, while the drivers
+	  can be enabled individually within this menu.
+
+	  If unsure, say N.
+
+endmenu

drivers/soc/bcm/Makefile

@@ -1 +1,2 @@
 obj-$(CONFIG_RASPBERRYPI_POWER)	+= raspberrypi-power.o
+obj-$(CONFIG_SOC_BRCMSTB)	+= brcmstb/

drivers/soc/bcm/brcmstb/biuctrl.c

@@ -19,6 +19,7 @@
 #include <linux/io.h>
 #include <linux/of_address.h>
 #include <linux/syscore_ops.h>
+#include <linux/soc/brcmstb/brcmstb.h>
 
 #define CPU_CREDIT_REG_OFFSET			0x184
 #define  CPU_CREDIT_REG_MCPx_WR_PAIRING_EN_MASK	0x70000000

drivers/soc/brcmstb/Kconfig

@@ -1,10 +0,0 @@
-menuconfig SOC_BRCMSTB
-	bool "Broadcom STB SoC drivers"
-	depends on ARM
-	select SOC_BUS
-	help
-	  Enables drivers for the Broadcom Set-Top Box (STB) series of chips.
-	  This option alone enables only some support code, while the drivers
-	  can be enabled individually within this menu.
-
-	  If unsure, say N.