diff options
Diffstat (limited to 'arch/arm/mach-keystone')
-rw-r--r-- | arch/arm/mach-keystone/Makefile | 3 | ||||
-rw-r--r-- | arch/arm/mach-keystone/keystone.c | 50 | ||||
-rw-r--r-- | arch/arm/mach-keystone/keystone.h | 16 | ||||
-rw-r--r-- | arch/arm/mach-keystone/memory.h | 18 | ||||
-rw-r--r-- | arch/arm/mach-keystone/pm_domain.c | 50 |
5 files changed, 45 insertions, 92 deletions
diff --git a/arch/arm/mach-keystone/Makefile b/arch/arm/mach-keystone/Makefile index 0c1d54aec60f..66598d29dd3c 100644 --- a/arch/arm/mach-keystone/Makefile +++ b/arch/arm/mach-keystone/Makefile @@ -1,5 +1,2 @@ # SPDX-License-Identifier: GPL-2.0 obj-y := keystone.o - -# PM domain driver for Keystone SOCs -obj-$(CONFIG_ARCH_KEYSTONE) += pm_domain.o diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c index 68039aad3014..f63671a3024c 100644 --- a/arch/arm/mach-keystone/keystone.c +++ b/arch/arm/mach-keystone/keystone.c @@ -6,13 +6,15 @@ * Cyril Chemparathy <cyril@ti.com> * Santosh Shilimkar <santosh.shillimkar@ti.com> */ + #include <linux/io.h> -#include <linux/of.h> #include <linux/dma-map-ops.h> #include <linux/init.h> -#include <linux/of_platform.h> -#include <linux/of_address.h> +#include <linux/pm_runtime.h> +#include <linux/pm_clock.h> #include <linux/memblock.h> +#include <linux/of.h> +#include <linux/platform_device.h> #include <asm/setup.h> #include <asm/mach/map.h> @@ -20,9 +22,47 @@ #include <asm/mach/time.h> #include <asm/page.h> -#include "memory.h" +#define KEYSTONE_LOW_PHYS_START 0x80000000ULL +#define KEYSTONE_LOW_PHYS_SIZE 0x80000000ULL /* 2G */ +#define KEYSTONE_LOW_PHYS_END (KEYSTONE_LOW_PHYS_START + \ + KEYSTONE_LOW_PHYS_SIZE - 1) + +#define KEYSTONE_HIGH_PHYS_START 0x800000000ULL +#define KEYSTONE_HIGH_PHYS_SIZE 0x400000000ULL /* 16G */ +#define KEYSTONE_HIGH_PHYS_END (KEYSTONE_HIGH_PHYS_START + \ + KEYSTONE_HIGH_PHYS_SIZE - 1) + +static struct dev_pm_domain keystone_pm_domain = { + .ops = { + USE_PM_CLK_RUNTIME_OPS + USE_PLATFORM_PM_SLEEP_OPS + }, +}; + +static struct pm_clk_notifier_block platform_domain_notifier = { + .pm_domain = &keystone_pm_domain, + .con_ids = { NULL }, +}; + +static const struct of_device_id of_keystone_table[] = { + {.compatible = "ti,k2hk"}, + {.compatible = "ti,k2e"}, + {.compatible = "ti,k2l"}, + { /* end of list */ }, +}; + +static int __init keystone_pm_runtime_init(void) +{ + struct device_node *np; -#include "keystone.h" + np = of_find_matching_node(NULL, of_keystone_table); + if (!np) + return 0; + + pm_clk_add_notifier(&platform_bus_type, &platform_domain_notifier); + + return 0; +} #ifdef CONFIG_ARM_LPAE static int keystone_platform_notifier(struct notifier_block *nb, diff --git a/arch/arm/mach-keystone/keystone.h b/arch/arm/mach-keystone/keystone.h deleted file mode 100644 index 71ff8cd2ee4a..000000000000 --- a/arch/arm/mach-keystone/keystone.h +++ /dev/null @@ -1,16 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright 2013 Texas Instruments, Inc. - * Cyril Chemparathy <cyril@ti.com> - * Santosh Shilimkar <santosh.shillimkar@ti.com> - */ - -#ifndef __KEYSTONE_H__ -#define __KEYSTONE_H__ - -#ifndef __ASSEMBLER__ - -extern int keystone_pm_runtime_init(void); - -#endif /* __ASSEMBLER__ */ -#endif /* __KEYSTONE_H__ */ diff --git a/arch/arm/mach-keystone/memory.h b/arch/arm/mach-keystone/memory.h deleted file mode 100644 index 1b9ed1271e05..000000000000 --- a/arch/arm/mach-keystone/memory.h +++ /dev/null @@ -1,18 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright 2014 Texas Instruments, Inc. - * Santosh Shilimkar <santosh.shilimkar@ti.com> - */ -#ifndef __MEMORY_H -#define __MEMORY_H - -#define KEYSTONE_LOW_PHYS_START 0x80000000ULL -#define KEYSTONE_LOW_PHYS_SIZE 0x80000000ULL /* 2G */ -#define KEYSTONE_LOW_PHYS_END (KEYSTONE_LOW_PHYS_START + \ - KEYSTONE_LOW_PHYS_SIZE - 1) - -#define KEYSTONE_HIGH_PHYS_START 0x800000000ULL -#define KEYSTONE_HIGH_PHYS_SIZE 0x400000000ULL /* 16G */ -#define KEYSTONE_HIGH_PHYS_END (KEYSTONE_HIGH_PHYS_START + \ - KEYSTONE_HIGH_PHYS_SIZE - 1) -#endif /* __MEMORY_H */ diff --git a/arch/arm/mach-keystone/pm_domain.c b/arch/arm/mach-keystone/pm_domain.c deleted file mode 100644 index 5eea01cbecf0..000000000000 --- a/arch/arm/mach-keystone/pm_domain.c +++ /dev/null @@ -1,50 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * PM domain driver for Keystone2 devices - * - * Copyright 2013 Texas Instruments, Inc. - * Santosh Shilimkar <santosh.shillimkar@ti.com> - * - * Based on Kevins work on DAVINCI SOCs - * Kevin Hilman <khilman@linaro.org> - */ - -#include <linux/init.h> -#include <linux/pm_runtime.h> -#include <linux/pm_clock.h> -#include <linux/platform_device.h> -#include <linux/of.h> - -#include "keystone.h" - -static struct dev_pm_domain keystone_pm_domain = { - .ops = { - USE_PM_CLK_RUNTIME_OPS - USE_PLATFORM_PM_SLEEP_OPS - }, -}; - -static struct pm_clk_notifier_block platform_domain_notifier = { - .pm_domain = &keystone_pm_domain, - .con_ids = { NULL }, -}; - -static const struct of_device_id of_keystone_table[] = { - {.compatible = "ti,k2hk"}, - {.compatible = "ti,k2e"}, - {.compatible = "ti,k2l"}, - { /* end of list */ }, -}; - -int __init keystone_pm_runtime_init(void) -{ - struct device_node *np; - - np = of_find_matching_node(NULL, of_keystone_table); - if (!np) - return 0; - - pm_clk_add_notifier(&platform_bus_type, &platform_domain_notifier); - - return 0; -} |