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Searched refs:nvmem (Results 1 – 25 of 194) sorted by relevance

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/linux/drivers/nvmem/
H A Dcore.c37 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->reg_write) { in __nvmem_reg_write()
70 gpiod_set_value_cansleep(nvmem->wp_gpio, 0); in __nvmem_reg_write()
71 ret = nvmem->reg_write(nvmem->priv, offset, val, bytes); in __nvmem_reg_write()
72 gpiod_set_value_cansleep(nvmem->wp_gpio, 1); in __nvmem_reg_write()
79 static int nvmem_access_with_keepouts(struct nvmem_device *nvmem, in nvmem_access_with_keepouts() argument
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H A DMakefile13 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
25 obj-$(CONFIG_NVMEM_IMX_OCOTP) += nvmem-imx-ocotp.o
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H A Dlayouts.c92 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
159 ret = nvmem_layout_create_device(nvmem, layout_dn); in nvmem_layout_bus_populate()
168 struct device_node *of_nvmem_layout_get_container(struct nvmem_device *nvmem) in of_nvmem_layout_get_container() argument
170 return of_get_child_by_name(nvmem->dev.of_node, "nvmem-layout"); in of_nvmem_layout_get_container()
178 int nvmem_populate_layout(struct nvmem_device *nvmem) in nvmem_populate_layout() argument
183 layout_dn = of_nvmem_layout_get_container(nvmem); in nvmem_populate_layout()
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H A Dmax77759-nvmem.c36 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
107 nvmem = devm_kzalloc(&pdev->dev, sizeof(*nvmem), GFP_KERNEL); in max77759_nvmem_probe()
108 if (!nvmem) in max77759_nvmem_probe()
111 nvmem->dev = &pdev->dev; in max77759_nvmem_probe()
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H A Dinternals.h26 void (*fixup_dt_cell_info)(struct nvmem_device *nvmem,
41 int nvmem_populate_layout(struct nvmem_device *nvmem);
42 void nvmem_destroy_layout(struct nvmem_device *nvmem);
51 static inline int nvmem_populate_layout(struct nvmem_device *nvmem) in nvmem_populate_layout() argument
56 static inline void nvmem_destroy_layout(struct nvmem_device *nvmem) { } in nvmem_destroy_layout() argument
H A Du-boot-env.c18 struct nvmem_device *nvmem; member
73 priv->nvmem = devm_nvmem_register(dev, &config); in u_boot_env_probe()
74 if (IS_ERR(priv->nvmem)) in u_boot_env_probe()
75 return PTR_ERR(priv->nvmem); in u_boot_env_probe()
77 return u_boot_env_parse(dev, priv->nvmem, priv->format); in u_boot_env_probe()
H A DKconfig16 bool "/sys/bus/nvmem/devices/*/nvmem (sysfs interface)"
23 read/write directly into nvmem.
27 source "drivers/nvmem/layouts/Kconfig"
40 be called nvmem-an8855-efuse.
51 be called nvmem-apple-efuses.
64 will be called apple-nvmem-spmi.
76 will be called nvmem-bcm-ocotp.
96 will be called nvmem-imx-iim.
108 will be called nvmem-imx-ocotp.
190 will be called nvmem-max77759.
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/linux/include/linux/
H A Dnvmem-consumer.h72 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);
84 size_t nvmem_dev_size(struct nvmem_device *nvmem);
181 static inline void nvmem_device_put(struct nvmem_device *nvmem) in nvmem_device_put() argument
186 struct nvmem_device *nvmem) in devm_nvmem_device_put() argument
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H A Dnvmem-provider.h119 void (*fixup_dt_cell_info)(struct nvmem_device *nvmem,
156 struct nvmem_device *nvmem; member
169 void nvmem_unregister(struct nvmem_device *nvmem);
174 int nvmem_add_one_cell(struct nvmem_device *nvmem,
196 static inline void nvmem_unregister(struct nvmem_device *nvmem) {} in nvmem_unregister() argument
204 static inline int nvmem_add_one_cell(struct nvmem_device *nvmem, in nvmem_add_one_cell() argument
229 struct device_node *of_nvmem_layout_get_container(struct nvmem_device *nvmem);
233 static inline struct device_node *of_nvmem_layout_get_container(struct nvmem_device *nvmem) in of_nvmem_layout_get_container() argument
/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";
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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/drivers/soc/tegra/fuse/
H A Dfuse-tegra.c143 struct nvmem_config nvmem; in tegra_fuse_probe() local
208 memset(&nvmem, 0, sizeof(nvmem)); in tegra_fuse_probe()
209 nvmem.dev = &pdev->dev; in tegra_fuse_probe()
210 nvmem.name = "fuse"; in tegra_fuse_probe()
211 nvmem.id = -1; in tegra_fuse_probe()
212 nvmem.owner = THIS_MODULE; in tegra_fuse_probe()
213 nvmem.cells = fuse->soc->cells; in tegra_fuse_probe()
214 nvmem.ncells = fuse->soc->num_cells; in tegra_fuse_probe()
215 nvmem.keepout = fuse->soc->keepouts; in tegra_fuse_probe()
216 nvmem.nkeepout = fuse->soc->num_keepouts; in tegra_fuse_probe()
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/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";
H A Dbcm4709-asus-rt-ac3200.dts28 #nvmem-cell-cells = <1>;
79 nvmem-cells = <&et0macaddr 0>;
80 nvmem-cell-names = "mac-address";
84 nvmem-cells = <&et0macaddr 1>;
85 nvmem-cell-names = "mac-address";
89 nvmem-cells = <&et0macaddr 2>;
90 nvmem-cell-names = "mac-address";
H A Dbcm47094-asus-rt-ac5300.dts28 #nvmem-cell-cells = <1>;
85 nvmem-cells = <&et1macaddr 0>;
86 nvmem-cell-names = "mac-address";
90 nvmem-cells = <&et1macaddr 1>;
91 nvmem-cell-names = "mac-address";
95 nvmem-cells = <&et1macaddr 2>;
96 nvmem-cell-names = "mac-address";
H A Dbcm47094-luxul-abr-4500.dts30 #nvmem-cell-cells = <1>;
69 nvmem-cells = <&et0macaddr 0>;
70 nvmem-cell-names = "mac-address";
87 nvmem-cells = <&et0macaddr 1>;
88 nvmem-cell-names = "mac-address";
H A Dbcm47094-luxul-xbr-4500.dts30 #nvmem-cell-cells = <1>;
69 nvmem-cells = <&et0macaddr 0>;
70 nvmem-cell-names = "mac-address";
87 nvmem-cells = <&et0macaddr 1>;
88 nvmem-cell-names = "mac-address";
H A Dbcm47094-asus-rt-ac88u.dts16 #nvmem-cell-cells = <1>;
101 nvmem-cells = <&et1macaddr 0>;
102 nvmem-cell-names = "mac-address";
106 nvmem-cells = <&et1macaddr 1>;
107 nvmem-cell-names = "mac-address";
/linux/Documentation/driver-api/
H A Dnvmem.rst41 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
73 int nvmem_add_one_cell(nvmem, &foo_nvmem_cell);
75 Additionally it is possible to create nvmem cell lookup entries and register
76 them with the nvmem framework from machine code as shown in the example below::
108 `*nvmem_cell_get()` apis will get a reference to nvmem cell for a given id,
124 void nvmem_device_put(struct nvmem_device *nvmem);
125 int nvmem_device_read(struct nvmem_device *nvmem, unsigned int offset,
127 int nvmem_device_write(struct nvmem_device *nvmem, unsigned int offset,
129 int nvmem_device_cell_read(struct nvmem_device *nvmem,
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/linux/Documentation/devicetree/bindings/net/
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/ti/
H A Dpm33xx.c276 struct nvmem_device *nvmem; in am33xx_pm_begin() local
279 nvmem = devm_nvmem_device_get(&omap_rtc->dev, in am33xx_pm_begin()
281 if (!IS_ERR(nvmem)) in am33xx_pm_begin()
282 nvmem_device_write(nvmem, RTC_SCRATCH_MAGIC_REG * 4, 4, in am33xx_pm_begin()
306 struct nvmem_device *nvmem; in am33xx_pm_end() local
308 nvmem = devm_nvmem_device_get(&omap_rtc->dev, "omap_rtc_scratch0"); in am33xx_pm_end()
309 if (IS_ERR(nvmem)) in am33xx_pm_end()
327 nvmem_device_write(nvmem, RTC_SCRATCH_MAGIC_REG * 4, 4, in am33xx_pm_end()
430 struct nvmem_device *nvmem; in am33xx_pm_rtc_setup() local
455 nvmem = devm_nvmem_device_get(&omap_rtc->dev, in am33xx_pm_rtc_setup()
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/linux/Documentation/ABI/stable/
H A Dsysfs-bus-nvmem1 What: /sys/bus/nvmem/devices/.../force_ro
18 What: /sys/bus/nvmem/devices/.../nvmem
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
/linux/drivers/rtc/
H A Dnvmem.c17 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()
29 return PTR_ERR_OR_ZERO(nvmem); in devm_rtc_nvmem_register()
/linux/drivers/nvmem/layouts/
H A Du-boot-env.c54 static int u_boot_env_parse_cells(struct device *dev, struct nvmem_device *nvmem, uint8_t *buf, in u_boot_env_parse_cells() argument
83 nvmem_add_one_cell(nvmem, &info); in u_boot_env_parse_cells()
89 int u_boot_env_parse(struct device *dev, struct nvmem_device *nvmem, in u_boot_env_parse() argument
107 nvmem_dev_size(nvmem) : (size_t)env_size; in u_boot_env_parse()
115 bytes = nvmem_device_read(nvmem, 0, dev_size, buf); in u_boot_env_parse()
161 err = u_boot_env_parse_cells(dev, nvmem, buf, data_offset, data_len); in u_boot_env_parse()
177 return u_boot_env_parse(dev, layout->nvmem, format); in u_boot_env_add_cells()
/linux/drivers/mtd/ubi/
H A Dnvmem.c15 struct nvmem_device *nvmem; member
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()
132 nvmem_unregister(unv->nvmem); in ubi_nvmem_remove()
178 nvmem_unregister(unv->nvmem); in ubi_nvmem_exit()

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