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Searched refs:nvmem (Results 1 – 25 of 144) sorted by relevance

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/Linux-v6.1/drivers/nvmem/
Dcore.c56 struct nvmem_device *nvmem; member
76 static int __nvmem_reg_read(struct nvmem_device *nvmem, unsigned int offset, in __nvmem_reg_read() argument
79 if (nvmem->reg_read) in __nvmem_reg_read()
80 return nvmem->reg_read(nvmem->priv, offset, val, bytes); in __nvmem_reg_read()
85 static int __nvmem_reg_write(struct nvmem_device *nvmem, unsigned int offset, in __nvmem_reg_write() argument
90 if (nvmem->reg_write) { in __nvmem_reg_write()
91 gpiod_set_value_cansleep(nvmem->wp_gpio, 0); in __nvmem_reg_write()
92 ret = nvmem->reg_write(nvmem->priv, offset, val, bytes); in __nvmem_reg_write()
93 gpiod_set_value_cansleep(nvmem->wp_gpio, 1); in __nvmem_reg_write()
100 static int nvmem_access_with_keepouts(struct nvmem_device *nvmem, in nvmem_access_with_keepouts() argument
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DMakefile10 obj-$(CONFIG_NVMEM_APPLE_EFUSES) += nvmem-apple-efuses.o
11 nvmem-apple-efuses-y := apple-efuses.o
12 obj-$(CONFIG_NVMEM_BCM_OCOTP) += nvmem-bcm-ocotp.o
13 nvmem-bcm-ocotp-y := bcm-ocotp.o
16 obj-$(CONFIG_NVMEM_IMX_IIM) += nvmem-imx-iim.o
17 nvmem-imx-iim-y := imx-iim.o
18 obj-$(CONFIG_NVMEM_IMX_OCOTP) += nvmem-imx-ocotp.o
19 nvmem-imx-ocotp-y := imx-ocotp.o
20 obj-$(CONFIG_NVMEM_IMX_OCOTP_SCU) += nvmem-imx-ocotp-scu.o
21 nvmem-imx-ocotp-scu-y := imx-ocotp-scu.o
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DKconfig15 bool "/sys/bus/nvmem/devices/*/nvmem (sysfs interface)"
22 read/write directly into nvmem.
36 be called nvmem-apple-efuses.
48 will be called nvmem-bcm-ocotp.
67 will be called nvmem-imx-iim.
79 will be called nvmem-imx-ocotp.
190 will be called nvmem-mxs-ocotp.
202 will be called nvmem-nintendo-otp.
210 functions for QFPROM data to rest of the drivers via nvmem interface.
225 This driver maps reserved memory into an nvmem device. It might be
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Dsunxi_sid.c117 struct nvmem_device *nvmem; in sunxi_sid_probe() local
156 nvmem = devm_nvmem_register(dev, nvmem_cfg); in sunxi_sid_probe()
157 if (IS_ERR(nvmem)) in sunxi_sid_probe()
158 return PTR_ERR(nvmem); in sunxi_sid_probe()
168 platform_set_drvdata(pdev, nvmem); in sunxi_sid_probe()
Dzynqmp_nvmem.c16 struct nvmem_device *nvmem; member
64 priv->nvmem = devm_nvmem_register(dev, &econfig); in zynqmp_nvmem_probe()
66 return PTR_ERR_OR_ZERO(priv->nvmem); in zynqmp_nvmem_probe()
Duniphier-efuse.c36 struct nvmem_device *nvmem; in uniphier_efuse_probe() local
56 nvmem = devm_nvmem_register(dev, &econfig); in uniphier_efuse_probe()
58 return PTR_ERR_OR_ZERO(nvmem); in uniphier_efuse_probe()
Dsunplus-ocotp.c159 struct nvmem_device *nvmem; in sp_ocotp_probe() local
194 nvmem = devm_nvmem_register(dev, &sp_ocotp_nvmem_config); in sp_ocotp_probe()
195 if (IS_ERR(nvmem)) in sp_ocotp_probe()
196 return dev_err_probe(&pdev->dev, PTR_ERR(nvmem), in sp_ocotp_probe()
199 platform_set_drvdata(pdev, nvmem); in sp_ocotp_probe()
Dmxs-ocotp.c33 struct nvmem_device *nvmem; member
177 otp->nvmem = devm_nvmem_register(dev, &ocotp_config); in mxs_ocotp_probe()
178 if (IS_ERR(otp->nvmem)) in mxs_ocotp_probe()
179 return PTR_ERR(otp->nvmem); in mxs_ocotp_probe()
Dlpc18xx_otp.c69 struct nvmem_device *nvmem; in lpc18xx_otp_probe() local
86 nvmem = devm_nvmem_register(&pdev->dev, &lpc18xx_otp_nvmem_config); in lpc18xx_otp_probe()
88 return PTR_ERR_OR_ZERO(nvmem); in lpc18xx_otp_probe()
/Linux-v6.1/Documentation/devicetree/bindings/nvmem/
Dxlnx,zynqmp-nvmem.txt2 = Zynq UltraScale+ MPSoC nvmem firmware driver binding =
8 - compatible: should be "xlnx,zynqmp-nvmem-fw"
12 bindings/nvmem/nvmem.txt
23 compatible = "xlnx,zynqmp-nvmem-fw";
36 Are device nodes which consume nvmem data cells.
42 nvmem-cells = <&soc_revision>;
43 nvmem-cell-names = "soc_revision";
Dsprd-efuse.txt12 bindings/nvmem/nvmem.txt
30 Are device nodes which consume nvmem data cells.
37 nvmem-cells = <&thermal_calib>;
38 nvmem-cell-names = "calibration";
Damlogic-efuse.txt11 bindings/nvmem/nvmem.txt
40 Are device nodes which consume nvmem data cells.
46 nvmem-cells = <&eth_mac>;
47 nvmem-cell-names = "eth_mac";
Dsc27xx-efuse.txt15 bindings/nvmem/nvmem.txt
44 Are device nodes which consume nvmem data cells.
50 nvmem-cells = <&thermal_calib>;
51 nvmem-cell-names = "calibration";
/Linux-v6.1/include/linux/
Dnvmem-consumer.h78 void nvmem_device_put(struct nvmem_device *nvmem);
79 void devm_nvmem_device_put(struct device *dev, struct nvmem_device *nvmem);
80 int nvmem_device_read(struct nvmem_device *nvmem, unsigned int offset,
82 int nvmem_device_write(struct nvmem_device *nvmem, unsigned int offset,
84 ssize_t nvmem_device_cell_read(struct nvmem_device *nvmem,
86 int nvmem_device_cell_write(struct nvmem_device *nvmem,
89 const char *nvmem_dev_name(struct nvmem_device *nvmem);
180 static inline void nvmem_device_put(struct nvmem_device *nvmem) in nvmem_device_put() argument
185 struct nvmem_device *nvmem) in devm_nvmem_device_put() argument
189 static inline ssize_t nvmem_device_cell_read(struct nvmem_device *nvmem, in nvmem_device_cell_read() argument
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/Linux-v6.1/drivers/soc/tegra/fuse/
Dfuse-tegra.c212 struct nvmem_config nvmem; in tegra_fuse_probe() local
251 memset(&nvmem, 0, sizeof(nvmem)); in tegra_fuse_probe()
252 nvmem.dev = &pdev->dev; in tegra_fuse_probe()
253 nvmem.name = "fuse"; in tegra_fuse_probe()
254 nvmem.id = -1; in tegra_fuse_probe()
255 nvmem.owner = THIS_MODULE; in tegra_fuse_probe()
256 nvmem.cells = tegra_fuse_cells; in tegra_fuse_probe()
257 nvmem.ncells = ARRAY_SIZE(tegra_fuse_cells); in tegra_fuse_probe()
258 nvmem.type = NVMEM_TYPE_OTP; in tegra_fuse_probe()
259 nvmem.read_only = true; in tegra_fuse_probe()
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/Linux-v6.1/Documentation/devicetree/bindings/power/reset/
Dnvmem-reboot-mode.txt9 - 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";
/Linux-v6.1/Documentation/driver-api/
Dnvmem.rst41 nvmem configuration to nvmem_register(), on success core would return a valid
44 nvmem_unregister(nvmem) is used to unregister a previously registered provider.
62 Users of board files can define and register nvmem cells using the
81 Additionally it is possible to create nvmem cell lookup entries and register
82 them with the nvmem framework from machine code as shown in the example below::
114 `*nvmem_cell_get()` apis will get a reference to nvmem cell for a given id,
130 void nvmem_device_put(struct nvmem_device *nvmem);
131 int nvmem_device_read(struct nvmem_device *nvmem, unsigned int offset,
133 int nvmem_device_write(struct nvmem_device *nvmem, unsigned int offset,
135 int nvmem_device_cell_read(struct nvmem_device *nvmem,
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/Linux-v6.1/Documentation/devicetree/bindings/net/
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-v6.1/Documentation/ABI/stable/
Dsysfs-bus-nvmem1 What: /sys/bus/nvmem/devices/.../nvmem
7 Permissions for write to this file depends on the nvmem
14 hexdump /sys/bus/nvmem/devices/qfprom0/nvmem
/Linux-v6.1/drivers/soc/ti/
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()
440 struct nvmem_device *nvmem; in am33xx_pm_rtc_setup() local
465 nvmem = devm_nvmem_device_get(&omap_rtc->dev, in am33xx_pm_rtc_setup()
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/Linux-v6.1/drivers/rtc/
Dnvmem.c17 struct nvmem_device *nvmem; in devm_rtc_nvmem_register() local
24 nvmem = devm_nvmem_register(dev, nvmem_config); in devm_rtc_nvmem_register()
25 if (IS_ERR(nvmem)) in devm_rtc_nvmem_register()
28 return PTR_ERR_OR_ZERO(nvmem); in devm_rtc_nvmem_register()
/Linux-v6.1/Documentation/devicetree/bindings/watchdog/
Dzii,rave-sp-wdt.txt18 - wdt-timeout: Two byte nvmem cell specified as per
19 Documentation/devicetree/bindings/nvmem/nvmem.txt
35 nvmem-cells = <&wdt_timeout>;
36 nvmem-cell-names = "wdt-timeout";
/Linux-v6.1/drivers/soc/atmel/
Dsfr.c46 struct nvmem_device *nvmem; in atmel_sfr_probe() local
64 nvmem = devm_nvmem_register(dev, &atmel_sfr_nvmem_config); in atmel_sfr_probe()
65 if (IS_ERR(nvmem)) { in atmel_sfr_probe()
67 return PTR_ERR(nvmem); in atmel_sfr_probe()
/Linux-v6.1/drivers/thunderbolt/
Dnvm.c427 struct nvmem_device *nvmem; in tb_nvm_add_active() local
442 nvmem = nvmem_register(&config); in tb_nvm_add_active()
443 if (IS_ERR(nvmem)) in tb_nvm_add_active()
444 return PTR_ERR(nvmem); in tb_nvm_add_active()
446 nvm->active = nvmem; in tb_nvm_add_active()
492 struct nvmem_device *nvmem; in tb_nvm_add_non_active() local
507 nvmem = nvmem_register(&config); in tb_nvm_add_non_active()
508 if (IS_ERR(nvmem)) in tb_nvm_add_non_active()
509 return PTR_ERR(nvmem); in tb_nvm_add_non_active()
511 nvm->non_active = nvmem; in tb_nvm_add_non_active()
/Linux-v6.1/Documentation/devicetree/bindings/thermal/
Dmediatek-thermal.txt30 - nvmem-cells: A phandle to the calibration data provided by a nvmem device. If
32 - nvmem-cell-names: Should be "calibration-data"
47 nvmem-cells = <&thermal_calibration_data>;
48 nvmem-cell-names = "calibration-data";

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