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/linux-5.10/drivers/misc/eeprom/
Dat25.c3 * at25.c -- support most SPI EEPROMs, such as Atmel AT25 models
22 * mean that some AT25 products are EEPROMs, and others are FLASH.
65 struct at25_data *at25 = priv; in at25_ee_read() local
74 if (unlikely(offset >= at25->chip.byte_len)) in at25_ee_read()
76 if ((offset + count) > at25->chip.byte_len) in at25_ee_read()
77 count = at25->chip.byte_len - offset; in at25_ee_read()
84 if (at25->chip.flags & EE_INSTR_BIT3_IS_ADDR) in at25_ee_read()
85 if (offset >= (1U << (at25->addrlen * 8))) in at25_ee_read()
90 switch (at25->addrlen) { in at25_ee_read()
106 t[0].len = at25->addrlen + 1; in at25_ee_read()
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DMakefile3 obj-$(CONFIG_EEPROM_AT25) += at25.o
DKconfig45 will be called at25.
/linux-5.10/Documentation/devicetree/bindings/eeprom/
Dat25.yaml4 $id: "http://devicetree.org/schemas/eeprom/at25.yaml#"
7 title: SPI EEPROMs compatible with Atmel's AT25
17 # with Atmel's AT25. The compatible string requires two items where the
19 # item is fixed to "atmel,at25". Some existing bindings only have the
20 # "atmel,at25" part and should be fixed by somebody who knows vendor and
35 - const: atmel,at25
39 - const: atmel,at25
80 # Deprecated: at25,byte-len, at25,addr-mode, at25,page-size
81 at25,byte-len:
87 at25,addr-mode:
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/linux-5.10/arch/arm/boot/dts/
Daspeed-bmc-ibm-rainier.dts233 at25,byte-len = <0x80000>;
234 at25,addr-mode = <4>;
235 at25,page-size = <256>;
237 compatible = "atmel,at25";
249 at25,byte-len = <0x80000>;
250 at25,addr-mode = <4>;
251 at25,page-size = <256>;
253 compatible = "atmel,at25";
265 at25,byte-len = <0x80000>;
266 at25,addr-mode = <4>;
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Dzynq-zc770-xm013.dts66 at25,byte-len = <8192>;
67 at25,addr-mode = <2>;
68 at25,page-size = <32>;
70 compatible = "atmel,at25";
Dlpc3250-phy3250.dts203 eeprom: at25@0 {
204 compatible = "atmel,at25";
216 at25,byte-len = <0x8000>;
217 at25,addr-mode = <2>;
218 at25,page-size = <64>;
Dimx6q-dms-ba16.dts51 compatible = "atmel,at25256B", "atmel,at25";
Dlogicpd-torpedo-baseboard.dtsi337 at25@0 {
338 compatible = "atmel,at25";
Dimx6ul-kontron-n6x1x-s.dtsi93 compatible = "anvo,anv32e61w", "atmel,at25";
Dimx6q-evi.dts128 compatible = "st,m95m02", "atmel,at25";
Dimx6q-bx50v3.dtsi164 compatible = "atmel,at25";
/linux-5.10/arch/arm64/boot/dts/broadcom/northstar2/
Dns2-svk.dts131 at25@0 {
132 compatible = "atmel,at25";
135 at25,byte-len = <0x8000>;
136 at25,addr-mode = <2>;
137 at25,page-size = <64>;
/linux-5.10/arch/mips/txx9/generic/
Dspi_eeprom.c22 /* register board information for at25 driver */
26 .modalias = "at25", in spi_eeprom_register()
82 .name = "at25",
/linux-5.10/include/linux/spi/
Deeprom.h9 * by the "at25" driver. On SPI, most EEPROMS understand the same core
30 * other AT25 like chips.
/linux-5.10/Documentation/firmware-guide/acpi/
Denumeration.rst160 "AT25",
173 to at25 SPI eeprom driver (this is meant for the above ACPI snippet)::
177 { "AT25", 0 },
211 Then the at25 SPI driver can get this configuration by calling _DSM on its
/linux-5.10/Documentation/devicetree/bindings/spi/
Dspi-octeon.txt22 compatible = "st,m95256", "atmel,at25";
/linux-5.10/arch/arm64/boot/dts/freescale/
Dimx8mm-beacon-baseboard.dtsi77 compatible = "microchip,at25160bn", "atmel,at25";
/linux-5.10/arch/arm/mach-davinci/
Dboard-dm355-leopard.c224 .modalias = "at25",
Dboard-dm355-evm.c384 .modalias = "at25",
Dboard-dm365-evm.c799 .modalias = "at25",
/linux-5.10/drivers/net/phy/
Dspi_ks8995.c7 * This file was based on: drivers/spi/at25.c
/linux-5.10/Documentation/devicetree/bindings/
Dvendor-prefixes.yaml19 "^(at25|devbus|dmacap|dsa|exynos|fsi[ab]|gpio-fan|gpio|gpmc|hdmi|i2c-gpio),.*": true