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cf9b0772f2
This branch contains platform-related driver updates for ARM and ARM64,
these are the areas that bring the changes:
New drivers:
- Driver support for Renesas R-Car V3M (R8A77970)
- Power management support for Amlogic GX
- A new driver for the Tegra BPMP thermal sensor
- A new bus driver for Technologic Systems NBUS
Changes for subsystems that prefer to merge through arm-soc:
- The usual updates for reset controller drivers from Philipp Zabel,
with five added drivers for SoCs in the arc, meson, socfpa, uniphier
and mediatek families.
- Updates to the ARM SCPI and PSCI frameworks, from Sudeep Holla,
Heiner Kallweit and Lorenzo Pieralisi.
Changes specific to some ARM-based SoC
- The Freescale/NXP DPAA QBMan drivers from PowerPC can now work
on ARM as well.
- Several changes for power management on Broadcom SoCs
- Various improvements on Qualcomm, Broadcom, Amlogic, Atmel, Mediatek
- Minor Cleanups for Samsung, TI OMAP SoCs
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Arnd Bergmann:
"This branch contains platform-related driver updates for ARM and
ARM64, these are the areas that bring the changes:
New drivers:
- driver support for Renesas R-Car V3M (R8A77970)
- power management support for Amlogic GX
- a new driver for the Tegra BPMP thermal sensor
- a new bus driver for Technologic Systems NBUS
Changes for subsystems that prefer to merge through arm-soc:
- the usual updates for reset controller drivers from Philipp Zabel,
with five added drivers for SoCs in the arc, meson, socfpa,
uniphier and mediatek families
- updates to the ARM SCPI and PSCI frameworks, from Sudeep Holla,
Heiner Kallweit and Lorenzo Pieralisi
Changes specific to some ARM-based SoC
- the Freescale/NXP DPAA QBMan drivers from PowerPC can now work on
ARM as well
- several changes for power management on Broadcom SoCs
- various improvements on Qualcomm, Broadcom, Amlogic, Atmel,
Mediatek
- minor Cleanups for Samsung, TI OMAP SoCs"
[ NOTE! This doesn't work without the previous ARM SoC device-tree pull,
because the R8A77970 driver is missing a header file that came from
that pull.
The fact that this got merged afterwards only fixes it at this point,
and bisection of that driver will fail if/when you walk into the
history of that driver. - Linus ]
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (96 commits)
soc: amlogic: meson-gx-pwrc-vpu: fix power-off when powered by bootloader
bus: add driver for the Technologic Systems NBUS
memory: omap-gpmc: Remove deprecated gpmc_update_nand_reg()
soc: qcom: remove unused label
soc: amlogic: gx pm domain: add PM and OF dependencies
drivers/firmware: psci_checker: Add missing destroy_timer_on_stack()
dt-bindings: power: add amlogic meson power domain bindings
soc: amlogic: add Meson GX VPU Domains driver
soc: qcom: Remote filesystem memory driver
dt-binding: soc: qcom: Add binding for rmtfs memory
of: reserved_mem: Accessor for acquiring reserved_mem
of/platform: Generalize /reserved-memory handling
soc: mediatek: pwrap: fix fatal compiler error
soc: mediatek: pwrap: fix compiler errors
arm64: mediatek: cleanup message for platform selection
soc: Allow test-building of MediaTek drivers
soc: mediatek: place Kconfig for all SoC drivers under menu
soc: mediatek: pwrap: add support for MT7622 SoC
soc: mediatek: pwrap: add common way for setup CS timing extenstion
soc: mediatek: pwrap: add MediaTek MT6380 as one slave of pwrap
..
82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __OF_RESERVED_MEM_H
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#define __OF_RESERVED_MEM_H
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#include <linux/device.h>
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struct of_phandle_args;
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struct reserved_mem_ops;
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struct reserved_mem {
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const char *name;
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unsigned long fdt_node;
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unsigned long phandle;
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const struct reserved_mem_ops *ops;
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phys_addr_t base;
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phys_addr_t size;
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void *priv;
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};
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struct reserved_mem_ops {
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int (*device_init)(struct reserved_mem *rmem,
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struct device *dev);
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void (*device_release)(struct reserved_mem *rmem,
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struct device *dev);
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};
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typedef int (*reservedmem_of_init_fn)(struct reserved_mem *rmem);
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#define RESERVEDMEM_OF_DECLARE(name, compat, init) \
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_OF_DECLARE(reservedmem, name, compat, init, reservedmem_of_init_fn)
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#ifdef CONFIG_OF_RESERVED_MEM
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int of_reserved_mem_device_init_by_idx(struct device *dev,
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struct device_node *np, int idx);
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void of_reserved_mem_device_release(struct device *dev);
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int early_init_dt_alloc_reserved_memory_arch(phys_addr_t size,
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phys_addr_t align,
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phys_addr_t start,
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phys_addr_t end,
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bool nomap,
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phys_addr_t *res_base);
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void fdt_init_reserved_mem(void);
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void fdt_reserved_mem_save_node(unsigned long node, const char *uname,
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phys_addr_t base, phys_addr_t size);
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struct reserved_mem *of_reserved_mem_lookup(struct device_node *np);
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#else
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static inline int of_reserved_mem_device_init_by_idx(struct device *dev,
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struct device_node *np, int idx)
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{
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return -ENOSYS;
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}
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static inline void of_reserved_mem_device_release(struct device *pdev) { }
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static inline void fdt_init_reserved_mem(void) { }
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static inline void fdt_reserved_mem_save_node(unsigned long node,
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const char *uname, phys_addr_t base, phys_addr_t size) { }
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static inline struct reserved_mem *of_reserved_mem_lookup(struct device_node *np)
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{
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return NULL;
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}
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#endif
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/**
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* of_reserved_mem_device_init() - assign reserved memory region to given device
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* @dev: Pointer to the device to configure
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*
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* This function assigns respective DMA-mapping operations based on the first
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* reserved memory region specified by 'memory-region' property in device tree
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* node of the given device.
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*
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* Returns error code or zero on success.
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*/
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static inline int of_reserved_mem_device_init(struct device *dev)
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{
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return of_reserved_mem_device_init_by_idx(dev, dev->of_node, 0);
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}
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#endif /* __OF_RESERVED_MEM_H */
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