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/linux/drivers/nvmem/
H A Dcore.c3 * nvmem framework core.
16 #include <linux/nvmem-consumer.h>
17 #include <linux/nvmem-provider.h>
37 struct nvmem_device *nvmem; member
55 static int __nvmem_reg_read(struct nvmem_device *nvmem, unsigned int offset, in __nvmem_reg_read() argument
58 if (nvmem->reg_read) in __nvmem_reg_read()
59 return nvmem->reg_read(nvmem->priv, offset, val, bytes); in __nvmem_reg_read()
64 static int __nvmem_reg_write(struct nvmem_device *nvmem, unsigned int offset, in __nvmem_reg_write() argument
69 if (nvmem in __nvmem_reg_write()
79 nvmem_access_with_keepouts(struct nvmem_device * nvmem,unsigned int offset,void * val,size_t bytes,int write) nvmem_access_with_keepouts() argument
143 nvmem_reg_read(struct nvmem_device * nvmem,unsigned int offset,void * val,size_t bytes) nvmem_reg_read() argument
152 nvmem_reg_write(struct nvmem_device * nvmem,unsigned int offset,void * val,size_t bytes) nvmem_reg_write() argument
177 struct nvmem_device *nvmem = to_nvmem_device(dev); type_show() local
187 struct nvmem_device *nvmem = to_nvmem_device(dev); force_ro_show() local
195 struct nvmem_device *nvmem = to_nvmem_device(dev); force_ro_store() local
217 struct nvmem_device *nvmem; bin_attr_nvmem_read() local
250 struct nvmem_device *nvmem; bin_attr_nvmem_write() local
278 nvmem_bin_attr_get_umode(struct nvmem_device * nvmem) nvmem_bin_attr_get_umode() argument
302 struct nvmem_device *nvmem = to_nvmem_device(dev); nvmem_bin_attr_is_visible() local
312 struct nvmem_device *nvmem = to_nvmem_device(dev); nvmem_bin_attr_size() local
321 struct nvmem_device *nvmem = to_nvmem_device(dev); nvmem_attr_is_visible() local
414 nvmem_sysfs_setup_compat(struct nvmem_device * nvmem,const struct nvmem_config * config) nvmem_sysfs_setup_compat() argument
448 nvmem_sysfs_remove_compat(struct nvmem_device * nvmem,const struct nvmem_config * config) nvmem_sysfs_remove_compat() argument
455 nvmem_populate_sysfs_cells(struct nvmem_device * nvmem) nvmem_populate_sysfs_cells() argument
522 nvmem_sysfs_setup_compat(struct nvmem_device * nvmem,const struct nvmem_config * config) nvmem_sysfs_setup_compat() argument
527 nvmem_sysfs_remove_compat(struct nvmem_device * nvmem,const struct nvmem_config * config) nvmem_sysfs_remove_compat() argument
536 struct nvmem_device *nvmem = to_nvmem_device(dev); nvmem_release() local
562 nvmem_device_remove_all_cells(const struct nvmem_device * nvmem) nvmem_device_remove_all_cells() argument
578 nvmem_cell_info_to_nvmem_cell_entry_nodup(struct nvmem_device * nvmem,const struct nvmem_cell_info * info,struct nvmem_cell_entry * cell) nvmem_cell_info_to_nvmem_cell_entry_nodup() argument
622 nvmem_cell_info_to_nvmem_cell_entry(struct nvmem_device * nvmem,const struct nvmem_cell_info * info,struct nvmem_cell_entry * cell) nvmem_cell_info_to_nvmem_cell_entry() argument
647 nvmem_add_one_cell(struct nvmem_device * nvmem,const struct nvmem_cell_info * info) nvmem_add_one_cell() argument
678 nvmem_add_cells(struct nvmem_device * nvmem,const struct nvmem_cell_info * info,int ncells) nvmem_add_cells() argument
720 nvmem_find_cell_entry_by_name(struct nvmem_device * nvmem,const char * cell_id) nvmem_find_cell_entry_by_name() argument
736 nvmem_validate_keepouts(struct nvmem_device * nvmem) nvmem_validate_keepouts() argument
789 nvmem_add_cells_from_dt(struct nvmem_device * nvmem,struct device_node * np) nvmem_add_cells_from_dt() argument
838 nvmem_add_cells_from_legacy_of(struct nvmem_device * nvmem) nvmem_add_cells_from_legacy_of() argument
843 nvmem_add_cells_from_fixed_layout(struct nvmem_device * nvmem) nvmem_add_cells_from_fixed_layout() argument
902 struct nvmem_device *nvmem; nvmem_register() local
1051 struct nvmem_device *nvmem; nvmem_device_release() local
1070 nvmem_unregister(struct nvmem_device * nvmem) nvmem_unregister() argument
1077 devm_nvmem_unregister(void * nvmem) devm_nvmem_unregister() argument
1096 struct nvmem_device *nvmem; devm_nvmem_register() local
1114 struct nvmem_device *nvmem = NULL; __nvmem_device_get() local
1139 __nvmem_device_put(struct nvmem_device * nvmem) __nvmem_device_put() argument
1160 struct nvmem_device *nvmem; of_nvmem_device_get() local
1189 struct nvmem_device *nvmem; nvmem_device_get() local
1220 struct nvmem_device **nvmem = res; devm_nvmem_device_match() local
1240 devm_nvmem_device_put(struct device * dev,struct nvmem_device * nvmem) devm_nvmem_device_put() argument
1256 nvmem_device_put(struct nvmem_device * nvmem) nvmem_device_put() argument
1274 struct nvmem_device **ptr, *nvmem; devm_nvmem_device_get() local
1323 struct nvmem_device *nvmem; nvmem_cell_get_from_lookup() local
1363 nvmem_layout_module_put(struct nvmem_device * nvmem) nvmem_layout_module_put() argument
1371 nvmem_find_cell_entry_by_node(struct nvmem_device * nvmem,struct device_node * np) nvmem_find_cell_entry_by_node() argument
1387 nvmem_layout_module_get_optional(struct nvmem_device * nvmem) nvmem_layout_module_get_optional() argument
1414 struct nvmem_device *nvmem; of_nvmem_cell_get() local
1590 struct nvmem_device *nvmem = cell->entry->nvmem; nvmem_cell_put() local
1642 __nvmem_cell_read(struct nvmem_device * nvmem,struct nvmem_cell_entry * cell,void * buf,size_t * len,const char * id,int index) __nvmem_cell_read() argument
1683 struct nvmem_device *nvmem = entry->nvmem; nvmem_cell_read() local
1707 struct nvmem_device *nvmem = cell->nvmem; nvmem_cell_prepare_write_buffer() local
1759 struct nvmem_device *nvmem = cell->nvmem; __nvmem_cell_entry_write() local
2003 nvmem_device_cell_read(struct nvmem_device * nvmem,struct nvmem_cell_info * info,void * buf) nvmem_device_cell_read() argument
2034 nvmem_device_cell_write(struct nvmem_device * nvmem,struct nvmem_cell_info * info,void * buf) nvmem_device_cell_write() argument
2062 nvmem_device_read(struct nvmem_device * nvmem,unsigned int offset,size_t bytes,void * buf) nvmem_device_read() argument
2090 nvmem_device_write(struct nvmem_device * nvmem,unsigned int offset,size_t bytes,void * buf) nvmem_device_write() argument
2151 nvmem_dev_name(struct nvmem_device * nvmem) nvmem_dev_name() argument
2164 nvmem_dev_size(struct nvmem_device * nvmem) nvmem_dev_size() argument
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H A DMakefile3 # Makefile for nvmem drivers.
13 obj-$(CONFIG_NVMEM_AN8855_EFUSE) += nvmem-an8855-efuse.o
14 nvmem-an8855-efuse-y := an8855-efuse.o
15 obj-$(CONFIG_NVMEM_APPLE_EFUSES) += nvmem-apple-efuses.o
16 nvmem-apple-efuses-y := apple-efuses.o
18 apple_nvmem_spmi-y := apple-spmi-nvmem.o
19 obj-$(CONFIG_NVMEM_BCM_OCOTP) += nvmem-bcm-ocotp.o
20 nvmem-bcm-ocotp-y := bcm-ocotp.o
23 obj-$(CONFIG_NVMEM_IMX_IIM) += nvmem-imx-iim.o
24 nvmem-imx-iim-y := imx-iim.o
[all …]
H A Dmax77759-nvmem.c6 // NVMEM driver for Maxim MAX77759
15 #include <linux/nvmem-provider.h>
22 * NVMEM commands have a three byte header (which becomes part of the command),
36 struct max77759_nvmem *nvmem = priv; in max77759_nvmem_reg_read() local
48 ret = max77759_maxq_command(nvmem->max77759, cmd, rsp); in max77759_nvmem_reg_read()
53 dev_warn(nvmem->dev, "protocol error (read)\n"); in max77759_nvmem_reg_read()
65 struct max77759_nvmem *nvmem = priv; in max77759_nvmem_reg_write() local
79 ret = max77759_maxq_command(nvmem->max77759, cmd, rsp); in max77759_nvmem_reg_write()
84 dev_warn(nvmem->dev, "protocol error (write)\n"); in max77759_nvmem_reg_write()
105 struct max77759_nvmem *nvmem; in max77759_nvmem_probe() local
[all …]
H A Dlayouts.c3 * NVMEM layout bus handling
11 #include <linux/nvmem-consumer.h>
12 #include <linux/nvmem-provider.h>
61 .name = "nvmem-layout",
92 static int nvmem_layout_create_device(struct nvmem_device *nvmem, in nvmem_layout_create_device() argument
104 layout->nvmem = nvmem; in nvmem_layout_create_device()
105 nvmem->layout = layout; in nvmem_layout_create_device()
110 dev->parent = &nvmem->dev; in nvmem_layout_create_device()
133 static int nvmem_layout_bus_populate(struct nvmem_device *nvmem, in nvmem_layout_bus_populate() argument
158 /* NVMEM layout buses expect only a single device representing the layout */ in nvmem_layout_bus_populate()
[all …]
/linux/Documentation/driver-api/
H A Dnvmem.rst4 NVMEM Subsystem
9 This document explains the NVMEM Framework along with the APIs provided,
14 *NVMEM* is the abbreviation for Non Volatile Memory layer. It is used to
18 Before this framework existed, NVMEM drivers like eeprom were stored in
31 NVMEM Providers
34 NVMEM provider refers to an entity that implements methods to initialize, read
37 2. Registering/Unregistering the NVMEM provider
40 A NVMEM provider can register with NVMEM core by supplying relevant
41 nvmem configuration to nvmem_register(), on success core would return a valid
62 Device drivers can define and register an nvmem cell using the nvmem_cell_info
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/linux/Documentation/devicetree/bindings/nvmem/
H A Dnvmem-consumer.yaml4 $id: http://devicetree.org/schemas/nvmem/nvmem-consumer.yaml#
7 title: NVMEM (Non Volatile Memory) Consumer
15 nvmem:
18 List of phandle to the nvmem providers.
22 nvmem-cells:
25 List of phandle to the nvmem data cells.
27 nvmem-names:
29 Names for the each nvmem provider.
31 nvmem
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H A Dnvmem.yaml4 $id: http://devicetree.org/schemas/nvmem/nvmem.yaml#
7 title: NVMEM (Non Volatile Memory)
17 some data on NVMEM, for the OS to be able to retrieve these
42 nvmem-layout:
43 $ref: /schemas/nvmem/layouts/nvmem-layout.yaml
45 Alternative to the statically defined nvmem cells, this
65 nvmem-layout {
H A Dxlnx,zynqmp-nvmem.yaml4 $id: http://devicetree.org/schemas/nvmem/xlnx,zynqmp-nvmem.yaml#
18 - $ref: nvmem.yaml#
22 const: xlnx,zynqmp-nvmem-fw
31 soc-nvmem {
32 compatible = "xlnx,zynqmp-nvmem-fw";
33 nvmem-layout {
/linux/Documentation/devicetree/bindings/mtd/partitions/
H A Dnvmem-cells.yaml4 $id: http://devicetree.org/schemas/mtd/partitions/nvmem-cells.yaml#
7 title: Nvmem cells
10 Any partition containing the compatible "nvmem-cells" will register as a
11 nvmem provider.
12 Each direct subnodes represents a nvmem cell following the nvmem binding.
13 Nvmem binding to declare nvmem-cells can be found in:
14 Documentation/devicetree/bindings/nvmem/nvmem.yaml
21 - $ref: /schemas/nvmem/nvmem.yaml#
22 - $ref: /schemas/nvmem/nvmem-deprecated-cells.yaml#
26 const: nvmem-cells
[all …]
/linux/include/linux/
H A Dnvmem-provider.h3 * nvmem framework provider.
40 * struct nvmem_keepout - NVMEM register keepout range.
53 * struct nvmem_cell_info - NVMEM cell description
55 * @offset: Offset within the NVMEM device.
78 * struct nvmem_config - NVMEM device configuration
84 * @cells: Optional array of pre-defined NVMEM cells.
86 * @add_legacy_fixed_of_cells: Read fixed NVMEM cells from old OF syntax.
91 * @type: Type of the nvmem storage
102 * @layout: Fixed layout associated with this nvmem device.
104 * Note: A default "nvmem<id>" name will be assigned to the device if
[all …]
H A Dnvmem-consumer.h3 * nvmem framework consumer.
27 * @cell_name: Name of the nvmem cell as defined in the name field of
68 /* direct nvmem device read/write interface */
72 void nvmem_device_put(struct nvmem_device *nvmem);
73 void devm_nvmem_device_put(struct device *dev, struct nvmem_device *nvmem);
74 int nvmem_device_read(struct nvmem_device *nvmem, unsigned int offset,
76 int nvmem_device_write(struct nvmem_device *nvmem, unsigned int offset,
78 ssize_t nvmem_device_cell_read(struct nvmem_device *nvmem,
80 int nvmem_device_cell_write(struct nvmem_device *nvmem,
83 const char *nvmem_dev_name(struct nvmem_device *nvmem);
[all …]
/linux/Documentation/devicetree/bindings/thermal/
H A Dsprd-thermal.yaml30 nvmem-cells:
33 Reference to nvmem nodes for the calibration data.
35 nvmem-cell-names:
60 nvmem-cells:
63 Reference to an nvmem node for the calibration data.
65 nvmem-cell-names:
70 - nvmem-cells
71 - nvmem-cell-names
80 - nvmem-cells
81 - nvmem-cell-names
[all …]
/linux/Documentation/devicetree/bindings/power/reset/
H A Dnvmem-reboot-mode.yaml4 $id: http://devicetree.org/schemas/power/reset/nvmem-reboot-mode.yaml#
7 title: Generic NVMEM reboot mode
14 and stores it in the NVMEM cell named "reboot-mode". The bootloader can
19 const: nvmem-reboot-mode
21 nvmem-cells:
23 A phandle pointing to the nvmem-cells node where the vendor-specific
27 nvmem-cell-names:
40 - nvmem-cells
41 - nvmem-cell-names
48 compatible = "nvmem-reboot-mode";
[all …]
/linux/Documentation/devicetree/bindings/nvmem/layouts/
H A Dfixed-layout.yaml4 $id: http://devicetree.org/schemas/nvmem/layouts/fixed-layout.yaml#
7 title: NVMEM layout for fixed NVMEM cells
10 Many NVMEM devices have hardcoded cells layout (offset and size of defined
11 NVMEM content doesn't change).
13 This binding allows defining such NVMEM layout with its cells. It can be used
14 on top of any NVMEM device.
42 nvmem-layout {
50 #nvmem-cell-cells = <1>;
56 #nvmem-cell-cells = <1>;
/linux/arch/arm64/boot/dts/freescale/
H A Dfsl-ls1028a-kontron-kbox-a-230-ls.dts59 nvmem-cells = <&base_mac_address 2>;
60 nvmem-cell-names = "mac-address";
65 nvmem-cells = <&base_mac_address 3>;
66 nvmem-cell-names = "mac-address";
87 nvmem-cells = <&base_mac_address 4>;
88 nvmem-cell-names = "mac-address";
97 nvmem-cells = <&base_mac_address 5>;
98 nvmem-cell-names = "mac-address";
107 nvmem-cells = <&base_mac_address 6>;
108 nvmem-cell-names = "mac-address";
[all …]
H A Dfsl-ls1028a-kontron-sl28-var2.dts39 nvmem-cells = <&base_mac_address 2>;
40 nvmem-cell-names = "mac-address";
45 nvmem-cells = <&base_mac_address 3>;
46 nvmem-cell-names = "mac-address";
59 nvmem-cells = <&base_mac_address 0>;
60 nvmem-cell-names = "mac-address";
69 nvmem-cells = <&base_mac_address 1>;
70 nvmem-cell-names = "mac-address";
/linux/Documentation/devicetree/bindings/iio/adc/
H A Dsprd,sc2720-adc.yaml37 nvmem-cells: true
39 nvmem-cell-names: true
51 nvmem-cells:
53 nvmem-cell-names:
60 nvmem-cells:
62 nvmem-cell-names:
77 - nvmem-cells
78 - nvmem-cell-names
95 nvmem-cells = <&adc_bcal1>, <&adc_bcal2>,
98 nvmem-cell-names = "big_scale_calib1", "big_scale_calib2",
/linux/Documentation/ABI/stable/
H A Dsysfs-bus-nvmem1 What: /sys/bus/nvmem/devices/.../force_ro
18 What: /sys/bus/nvmem/devices/.../nvmem
23 This file allows user to read/write the raw NVMEM contents.
24 Permissions for write to this file depends on the nvmem
31 hexdump /sys/bus/nvmem/devices/qfprom0/nvmem
41 What: /sys/bus/nvmem/devices/.../type
46 This read-only attribute allows user to read the NVMEM
/linux/drivers/mtd/ubi/
H A Dnvmem.c6 /* UBI NVMEM provider */
8 #include <linux/nvmem-provider.h>
10 /* List of all NVMEM devices */
15 struct nvmem_device *nvmem; member
71 if (!of_get_child_by_name(np, "nvmem-layout")) in ubi_nvmem_add()
99 unv->nvmem = nvmem_register(&config); in ubi_nvmem_add()
100 if (IS_ERR(unv->nvmem)) { in ubi_nvmem_add()
101 ret = dev_err_probe(vi->dev, PTR_ERR(unv->nvmem), in ubi_nvmem_add()
102 "Failed to register NVMEM device\n"); in ubi_nvmem_add()
132 nvmem_unregister(unv->nvmem); in ubi_nvmem_remove()
[all …]
/linux/Documentation/devicetree/bindings/net/
H A Dsunplus,sp7021-emac.yaml62 nvmem-cells:
64 - description: nvmem cell address of MAC address
66 nvmem-cell-names:
67 description: names corresponding to the nvmem cells
75 - nvmem-cells
76 - nvmem-cell-names
117 nvmem-cells = <&mac_addr0>;
118 nvmem-cell-names = "mac-address";
125 nvmem-cells = <&mac_addr1>;
126 nvmem-cell-names = "mac-address";
H A Dnixge.txt15 - nvmem-cells: Phandle of nvmem cell containing the MAC address
16 - nvmem-cell-names: Should be "address"
31 nvmem-cells = <&eth1_addr>;
32 nvmem-cell-names = "address";
54 nvmem-cells = <&eth1_addr>;
55 nvmem-cell-names = "address";
70 nvmem-cells = <&eth1_addr>;
71 nvmem-cell-names = "address";
/linux/drivers/soc/tegra/fuse/
H A Dfuse-tegra.c13 #include <linux/nvmem-consumer.h>
14 #include <linux/nvmem-provider.h>
143 struct nvmem_config nvmem; in tegra_fuse_probe() local
204 memset(&nvmem, 0, sizeof(nvmem)); in tegra_fuse_probe()
205 nvmem.dev = &pdev->dev; in tegra_fuse_probe()
206 nvmem.name = "fuse"; in tegra_fuse_probe()
207 nvmem.id = -1; in tegra_fuse_probe()
208 nvmem.owner = THIS_MODULE; in tegra_fuse_probe()
209 nvmem in tegra_fuse_probe()
[all...]
/linux/arch/arm/boot/dts/broadcom/
H A Dbcm47094-asus-rt-ac3100.dts16 #nvmem-cell-cells = <1>;
22 nvmem-cells = <&et0macaddr 0>;
23 nvmem-cell-names = "mac-address";
27 nvmem-cells = <&et0macaddr 1>;
28 nvmem-cell-names = "mac-address";
32 nvmem-cells = <&et0macaddr 2>;
33 nvmem-cell-names = "mac-address";
/linux/drivers/rtc/
H A Dnvmem.c3 * RTC subsystem, nvmem interface
10 #include <linux/nvmem-consumer.h>
17 struct nvmem_device *nvmem; in devm_rtc_nvmem_register() local
25 nvmem = devm_nvmem_register(dev, nvmem_config); in devm_rtc_nvmem_register()
26 if (IS_ERR(nvmem)) in devm_rtc_nvmem_register()
27 dev_err(dev, "failed to register nvmem device for RTC\n"); in devm_rtc_nvmem_register()
29 return PTR_ERR_OR_ZERO(nvmem); in devm_rtc_nvmem_register()
/linux/Documentation/devicetree/bindings/phy/
H A Dsunplus,sp7021-usb2-phy.yaml36 nvmem-cell-names:
37 description: names corresponding to the nvmem cells of disconnect voltage
40 nvmem-cells:
41 description: nvmem cell address of disconnect voltage
55 - nvmem-cell-names
56 - nvmem-cells
70 nvmem-cell-names = "disc_vol";
71 nvmem-cells = <&disc_vol>;

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