| /kernel/linux/linux-5.10/drivers/nvmem/ |
| D | core.c | 3 * nvmem framework core.
16 #include <linux/nvmem-consumer.h>
17 #include <linux/nvmem-provider.h>
54 struct nvmem_device *nvmem; member
69 static int nvmem_reg_read(struct nvmem_device *nvmem, unsigned int offset, in nvmem_reg_read() argument
72 if (nvmem->reg_read) in nvmem_reg_read()
73 return nvmem->reg_read(nvmem->priv, offset, val, bytes); in nvmem_reg_read()
78 static int nvmem_reg_write(struct nvmem_device *nvmem, unsigned int offset, in nvmem_reg_write() argument
83 if (nvmem->reg_write) { in nvmem_reg_write()
84 gpiod_set_value_cansleep(nvmem->wp_gpio, 0); in nvmem_reg_write()
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| D | Makefile | 3 # Makefile for nvmem drivers.
10 obj-$(CONFIG_NVMEM_BCM_OCOTP) += nvmem-bcm-ocotp.o
11 nvmem-bcm-ocotp-y := bcm-ocotp.o
12 obj-$(CONFIG_NVMEM_IMX_IIM) += nvmem-imx-iim.o
13 nvmem-imx-iim-y := imx-iim.o
14 obj-$(CONFIG_NVMEM_IMX_OCOTP) += nvmem-imx-ocotp.o
15 nvmem-imx-ocotp-y := imx-ocotp.o
16 obj-$(CONFIG_NVMEM_IMX_OCOTP_SCU) += nvmem-imx-ocotp-scu.o
17 nvmem-imx-ocotp-scu-y := imx-ocotp-scu.o
24 obj-$(CONFIG_NVMEM_MXS_OCOTP) += nvmem-mxs-ocotp.o
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| D | Kconfig | 2 menuconfig NVMEM config
3 bool "NVMEM Support"
5 Support for NVMEM(Non Volatile Memory) devices like EEPROM, EFUSES...
7 This framework is designed to provide a generic interface to NVMEM
12 if NVMEM
15 bool "/sys/bus/nvmem/devices/*/nvmem (sysfs interface)"
19 Say Y here to add a sysfs interface for NVMEM.
22 read/write directly into nvmem.
33 will be called nvmem-imx-iim.
45 will be called nvmem-imx-ocotp.
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| /kernel/linux/linux-6.6/drivers/nvmem/ |
| D | core.c | 3 * nvmem framework core.
16 #include <linux/nvmem-consumer.h>
17 #include <linux/nvmem-provider.h>
37 struct nvmem_device *nvmem; member
61 static int __nvmem_reg_read(struct nvmem_device *nvmem, unsigned int offset, in __nvmem_reg_read() argument
64 if (nvmem->reg_read) in __nvmem_reg_read()
65 return nvmem->reg_read(nvmem->priv, offset, val, bytes); in __nvmem_reg_read()
70 static int __nvmem_reg_write(struct nvmem_device *nvmem, unsigned int offset, in __nvmem_reg_write() argument
75 if (nvmem->reg_write) { in __nvmem_reg_write()
76 gpiod_set_value_cansleep(nvmem->wp_gpio, 0); in __nvmem_reg_write()
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| D | Makefile | 3 # Makefile for nvmem drivers.
11 obj-$(CONFIG_NVMEM_APPLE_EFUSES) += nvmem-apple-efuses.o
12 nvmem-apple-efuses-y := apple-efuses.o
13 obj-$(CONFIG_NVMEM_BCM_OCOTP) += nvmem-bcm-ocotp.o
14 nvmem-bcm-ocotp-y := bcm-ocotp.o
17 obj-$(CONFIG_NVMEM_IMX_IIM) += nvmem-imx-iim.o
18 nvmem-imx-iim-y := imx-iim.o
19 obj-$(CONFIG_NVMEM_IMX_OCOTP) += nvmem-imx-ocotp.o
20 nvmem-imx-ocotp-y := imx-ocotp.o
21 obj-$(CONFIG_NVMEM_IMX_OCOTP_ELE) += nvmem-imx-ocotp-ele.o
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| D | Kconfig | 2 menuconfig NVMEM config
3 bool "NVMEM Support"
5 Support for NVMEM(Non Volatile Memory) devices like EEPROM, EFUSES...
7 This framework is designed to provide a generic interface to NVMEM
12 if NVMEM
15 bool "/sys/bus/nvmem/devices/*/nvmem (sysfs interface)"
19 Say Y here to add a sysfs interface for NVMEM.
22 read/write directly into nvmem.
26 source "drivers/nvmem/layouts/Kconfig"
40 be called nvmem-apple-efuses.
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| /kernel/linux/linux-5.10/Documentation/driver-api/ |
| D | nvmem.rst | 4 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
33 NVMEM Providers
36 NVMEM provider refers to an entity that implements methods to initialize, read
39 2. Registering/Unregistering the NVMEM provider
42 A NVMEM provider can register with NVMEM core by supplying relevant
43 nvmem configuration to nvmem_register(), on success core would return a valid
46 nvmem_unregister(nvmem) is used to unregister a previously registered provider.
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| /kernel/linux/linux-6.6/Documentation/driver-api/ |
| D | nvmem.rst | 4 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
44 nvmem_unregister(nvmem) is used to unregister a previously registered provider.
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/nvmem/ |
| D | nvmem-consumer.yaml | 4 $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.
20 nvmem-cells:
23 List of phandle to the nvmem data cells.
25 nvmem-names:
27 Names for the each nvmem provider.
29 nvmem-cell-names:
31 Names for each nvmem-cells specified.
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/nvmem/ |
| D | nvmem-consumer.yaml | 4 $id: http://devicetree.org/schemas/nvmem/nvmem-consumer.yaml#
7 title: NVMEM (Non Volatile Memory) Consumer Device Tree Bindings
15 nvmem:
18 List of phandle to the nvmem providers.
20 nvmem-cells:
23 List of phandle to the nvmem data cells.
25 nvmem-names:
28 Names for the each nvmem provider.
30 nvmem-cell-names:
33 Names for each nvmem-cells specified.
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/thermal/ |
| D | sprd-thermal.yaml | 28 nvmem-cells:
31 Reference to nvmem nodes for the calibration data.
33 nvmem-cell-names:
58 nvmem-cells:
61 Reference to an nvmem node for the calibration data.
63 nvmem-cell-names:
68 - nvmem-cells
69 - nvmem-cell-names
78 - nvmem-cells
79 - nvmem-cell-names
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/thermal/ |
| D | sprd-thermal.yaml | 28 nvmem-cells:
31 Reference to nvmem nodes for the calibration data.
33 nvmem-cell-names:
58 nvmem-cells:
61 Reference to an nvmem node for the calibration data.
63 nvmem-cell-names:
68 - nvmem-cells
69 - nvmem-cell-names
78 - nvmem-cells
79 - nvmem-cell-names
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/mtd/partitions/ |
| D | nvmem-cells.yaml | 4 $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#
25 const: nvmem-cells
43 compatible = "nvmem-cells";
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| /kernel/linux/linux-6.6/include/linux/ |
| D | nvmem-provider.h | 3 * nvmem framework provider.
39 * struct nvmem_keepout - NVMEM register keepout range.
52 * struct nvmem_cell_info - NVMEM cell description
54 * @offset: Offset within the NVMEM device.
77 * struct nvmem_config - NVMEM device configuration
83 * @cells: Optional array of pre-defined NVMEM cells.
85 * @add_legacy_fixed_of_cells: Read fixed NVMEM cells from old OF syntax.
90 * @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
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| D | nvmem-consumer.h | 3 * 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);
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/power/reset/ |
| D | nvmem-reboot-mode.yaml | 4 $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:
38 - nvmem-cells
39 - nvmem-cell-names
46 compatible = "nvmem-reboot-mode";
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| /kernel/linux/linux-5.10/drivers/thunderbolt/ |
| D | nvm.c | 46 * tb_nvm_add_active() - Adds active NVMem device to NVM
50 * NVMem device)
52 * Registers new active NVmem device for @nvm. The @reg_read is called
53 * directly from NVMem so it must handle possible concurrent access if
60 struct nvmem_device *nvmem; in tb_nvm_add_active() local
75 nvmem = nvmem_register(&config); in tb_nvm_add_active()
76 if (IS_ERR(nvmem)) in tb_nvm_add_active()
77 return PTR_ERR(nvmem); in tb_nvm_add_active()
79 nvm->active = nvmem; in tb_nvm_add_active()
110 * tb_nvm_add_non_active() - Adds non-active NVMem device to NVM
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/nvmem/layouts/ |
| D | fixed-layout.yaml | 4 $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>;
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/power/reset/ |
| D | nvmem-reboot-mode.txt | 1 NVMEM reboot mode driver
4 and stores it in a NVMEM cell named "reboot-mode". Then the bootloader
9 - compatible: should be "nvmem-reboot-mode".
10 - nvmem-cells: A phandle to the reboot mode provided by a nvmem device.
11 - nvmem-cell-names: Should be "reboot-mode".
18 compatible = "nvmem-reboot-mode";
19 nvmem-cells = <&reboot_mode>;
20 nvmem-cell-names = "reboot-mode";
|
| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/iio/adc/ |
| D | sprd,sc2720-adc.yaml | 37 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_big_scale>, <&adc_small_scale>;
96 nvmem-cell-names = "big_scale_calib", "small_scale_calib";
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| /kernel/linux/linux-5.10/include/linux/ |
| D | nvmem-consumer.h | 3 * nvmem framework consumer.
34 * @cell_name: Name of the nvmem cell as defined in the name field of
69 /* direct nvmem device read/write interface */
73 void nvmem_device_put(struct nvmem_device *nvmem);
74 void devm_nvmem_device_put(struct device *dev, struct nvmem_device *nvmem);
75 int nvmem_device_read(struct nvmem_device *nvmem, unsigned int offset,
77 int nvmem_device_write(struct nvmem_device *nvmem, unsigned int offset,
79 ssize_t nvmem_device_cell_read(struct nvmem_device *nvmem,
81 int nvmem_device_cell_write(struct nvmem_device *nvmem,
84 const char *nvmem_dev_name(struct nvmem_device *nvmem);
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| /kernel/linux/linux-6.6/arch/arm64/boot/dts/freescale/ |
| D | fsl-ls1028a-kontron-kbox-a-230-ls.dts | 59 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";
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| /kernel/linux/linux-5.10/drivers/rtc/ |
| D | nvmem.c | 3 * RTC subsystem, nvmem interface
10 #include <linux/nvmem-consumer.h>
19 static const char nvram_warning[] = "Deprecated ABI, please use nvmem";
42 struct nvmem_device *nvmem, size_t size) in rtc_nvram_register() argument
52 rtc->nvram->private = nvmem; in rtc_nvram_register()
78 * New ABI, uses nvmem
83 struct nvmem_device *nvmem; in rtc_nvmem_register() local
90 nvmem = devm_nvmem_register(rtc->dev.parent, nvmem_config); in rtc_nvmem_register()
91 if (IS_ERR(nvmem)) in rtc_nvmem_register()
92 return PTR_ERR(nvmem); in rtc_nvmem_register()
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| /kernel/linux/linux-6.6/drivers/soc/tegra/fuse/ |
| D | fuse-tegra.c | 11 #include <linux/nvmem-consumer.h>
12 #include <linux/nvmem-provider.h>
119 struct nvmem_config nvmem; in tegra_fuse_probe() local
155 memset(&nvmem, 0, sizeof(nvmem)); in tegra_fuse_probe()
156 nvmem.dev = &pdev->dev; in tegra_fuse_probe()
157 nvmem.name = "fuse"; in tegra_fuse_probe()
158 nvmem.id = -1; in tegra_fuse_probe()
159 nvmem.owner = THIS_MODULE; in tegra_fuse_probe()
160 nvmem.cells = fuse->soc->cells; in tegra_fuse_probe()
161 nvmem.ncells = fuse->soc->num_cells; in tegra_fuse_probe()
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/net/ |
| D | sunplus,sp7021-emac.yaml | 62 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";
|