dt-bindings: Add devicetree bindings
Add snapshot of device tree bindings from keystone common kernel, branch
"android-mainline-keystone-qcom-release" at c4c12103f9c0 ("Snap for 9228065
from e32903b9a63bb558df8b803b076619c53c16baad to
android-mainline-keystone-qcom-release").
Change-Id: I7682079615cbd9f29340a5c1f2a1d84ec441a1f1
Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
This commit is contained in:
Melody Olvera
202
bindings/eeprom/at24.yaml
Normal file
202
bindings/eeprom/at24.yaml
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@@ -0,0 +1,202 @@
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# SPDX-License-Identifier: GPL-2.0-only
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# Copyright 2019 BayLibre SAS
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%YAML 1.2
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---
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$id: "http://devicetree.org/schemas/eeprom/at24.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: I2C EEPROMs compatible with Atmel's AT24
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maintainers:
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- Bartosz Golaszewski <bgolaszewski@baylibre.com>
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select:
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properties:
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compatible:
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contains:
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pattern: "^atmel,(24(c|cs|mac)[0-9]+|spd)$"
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required:
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- compatible
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properties:
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$nodename:
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pattern: "^eeprom@[0-9a-f]{1,2}$"
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# There are multiple known vendors who manufacture EEPROM chips compatible
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# with Atmel's AT24. The compatible string requires either a single item
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# if the memory comes from Atmel (in which case the vendor part must be
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# 'atmel') or two items with the same 'model' part where the vendor part of
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# the first one is the actual manufacturer and the second item is the
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# corresponding 'atmel,<model>' from Atmel.
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compatible:
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oneOf:
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- allOf:
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- minItems: 1
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items:
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- pattern: "^(atmel|catalyst|microchip|nxp|ramtron|renesas|rohm|st),(24(c|cs|lc|mac)[0-9]+|spd)$"
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- pattern: "^atmel,(24(c|cs|mac)[0-9]+|spd)$"
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- oneOf:
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- items:
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pattern: c00$
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- items:
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pattern: c01$
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- items:
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pattern: cs01$
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- items:
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pattern: c02$
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- items:
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pattern: cs02$
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- items:
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pattern: mac402$
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- items:
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pattern: mac602$
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- items:
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pattern: c04$
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- items:
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pattern: cs04$
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- items:
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pattern: c08$
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- items:
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pattern: cs08$
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- items:
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pattern: c16$
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- items:
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pattern: cs16$
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- items:
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pattern: c32$
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- items:
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pattern: cs32$
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- items:
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pattern: c64$
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- items:
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pattern: cs64$
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- items:
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pattern: c128$
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- items:
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pattern: cs128$
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- items:
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pattern: c256$
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- items:
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pattern: cs256$
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- items:
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pattern: c512$
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- items:
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pattern: cs512$
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- items:
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pattern: c1024$
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- items:
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pattern: cs1024$
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- items:
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pattern: c1025$
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- items:
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pattern: cs1025$
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- items:
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pattern: c2048$
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- items:
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pattern: cs2048$
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- items:
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pattern: spd$
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# These are special cases that don't conform to the above pattern.
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# Each requires a standard at24 model as fallback.
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- items:
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- enum:
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- rohm,br24g01
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- rohm,br24t01
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- const: atmel,24c01
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- items:
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- enum:
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- nxp,se97b
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- renesas,r1ex24002
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- const: atmel,24c02
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- items:
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- enum:
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- onnn,cat24c04
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- onnn,cat24c05
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- const: atmel,24c04
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- items:
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- const: renesas,r1ex24016
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- const: atmel,24c16
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- items:
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- const: giantec,gt24c32a
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- const: atmel,24c32
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- items:
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- enum:
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- renesas,r1ex24128
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- samsung,s524ad0xd1
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- const: atmel,24c128
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label:
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description: Descriptive name of the EEPROM.
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reg:
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maxItems: 1
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pagesize:
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description:
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The length of the pagesize for writing. Please consult the
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manual of your device, that value varies a lot. A wrong value
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may result in data loss! If not specified, a safety value of
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'1' is used which will be very slow.
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [1, 8, 16, 32, 64, 128, 256]
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default: 1
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read-only:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Disables writes to the eeprom.
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size:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Total eeprom size in bytes.
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no-read-rollover:
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$ref: /schemas/types.yaml#/definitions/flag
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description:
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Indicates that the multi-address eeprom does not automatically roll
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over reads to the next slave address. Please consult the manual of
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your device.
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wp-gpios: true
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address-width:
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description:
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Number of address bits.
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$ref: /schemas/types.yaml#/definitions/uint32
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default: 8
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enum: [ 8, 16 ]
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num-addresses:
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description:
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Total number of i2c slave addresses this device takes.
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$ref: /schemas/types.yaml#/definitions/uint32
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default: 1
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minimum: 1
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maximum: 8
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vcc-supply:
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description:
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phandle of the regulator that provides the supply voltage.
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required:
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- compatible
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- reg
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additionalProperties: false
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examples:
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- |
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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eeprom@52 {
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compatible = "microchip,24c32", "atmel,24c32";
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reg = <0x52>;
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pagesize = <32>;
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wp-gpios = <&gpio1 3 0>;
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num-addresses = <8>;
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};
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};
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...
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146
bindings/eeprom/at25.yaml
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146
bindings/eeprom/at25.yaml
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@@ -0,0 +1,146 @@
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: "http://devicetree.org/schemas/eeprom/at25.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: SPI EEPROMs or FRAMs compatible with Atmel's AT25
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maintainers:
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- Christian Eggers <ceggers@arri.de>
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properties:
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$nodename:
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anyOf:
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- pattern: "^eeprom@[0-9a-f]{1,2}$"
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- pattern: "^fram@[0-9a-f]{1,2}$"
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# There are multiple known vendors who manufacture EEPROM chips compatible
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# with Atmel's AT25. The compatible string requires two items where the
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# 'vendor' and 'model' parts of the first are the actual chip and the second
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# item is fixed to "atmel,at25". Some existing bindings only have the
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# "atmel,at25" part and should be fixed by somebody who knows vendor and
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# product.
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compatible:
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oneOf:
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- items:
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- enum:
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- anvo,anv32e61w
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- atmel,at25256B
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- fujitsu,mb85rs1mt
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- fujitsu,mb85rs64
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- microchip,at25160bn
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- microchip,25lc040
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- st,m95m02
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- st,m95256
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- cypress,fm25
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- const: atmel,at25
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# Please don't use this alternative for new bindings.
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- items:
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- const: atmel,at25
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reg:
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maxItems: 1
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pagesize:
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [1, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072]
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description:
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Size of the eeprom page. FRAMs don't have pages.
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size:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Total eeprom size in bytes.
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address-width:
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [ 8, 9, 16, 24 ]
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description:
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Number of address bits.
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For 9 bits, the MSB of the address is sent as bit 3 of the instruction
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byte, before the address byte.
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spi-cpha: true
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spi-cpol: true
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read-only:
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description:
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Disable writes to the eeprom.
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type: boolean
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wp-gpios:
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maxItems: 1
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description:
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GPIO to which the write-protect pin of the chip is connected.
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# Deprecated: at25,byte-len, at25,addr-mode, at25,page-size
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at25,byte-len:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Total eeprom size in bytes. Deprecated, use "size" property instead.
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deprecated: true
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at25,addr-mode:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Addr-mode flags, as defined in include/linux/spi/eeprom.h.
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Deprecated, use "address-width" property instead.
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deprecated: true
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at25,page-size:
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$ref: /schemas/types.yaml#/definitions/uint32
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description:
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Size of the eeprom page. Deprecated, use "pagesize" property instead.
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deprecated: true
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required:
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- compatible
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- reg
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- spi-max-frequency
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allOf:
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- $ref: /schemas/spi/spi-peripheral-props.yaml#
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- if:
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properties:
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compatible:
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not:
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contains:
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const: cypress,fm25
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then:
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required:
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- pagesize
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- size
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- address-width
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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spi0 {
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#address-cells = <1>;
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#size-cells = <0>;
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eeprom@0 {
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compatible = "st,m95256", "atmel,at25";
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reg = <0>;
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spi-max-frequency = <5000000>;
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spi-cpha;
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spi-cpol;
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wp-gpios = <&gpio1 3 0>;
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pagesize = <64>;
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size = <32768>;
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address-width = <16>;
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};
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fram@1 {
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compatible = "cypress,fm25", "atmel,at25";
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reg = <1>;
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spi-max-frequency = <40000000>;
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};
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};
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69
bindings/eeprom/microchip,93lc46b.yaml
Normal file
69
bindings/eeprom/microchip,93lc46b.yaml
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@@ -0,0 +1,69 @@
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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/eeprom/microchip,93lc46b.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Microchip 93xx46 SPI compatible EEPROM family dt bindings
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maintainers:
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- Cory Tusar <cory.tusar@pid1solutions.com>
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properties:
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compatible:
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enum:
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- atmel,at93c46
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- atmel,at93c46d
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- atmel,at93c56
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- atmel,at93c66
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- eeprom-93xx46
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- microchip,93lc46b
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data-size:
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description: number of data bits per word
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [8, 16]
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reg:
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description: chip select of EEPROM
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maxItems: 1
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read-only:
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description:
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parameter-less property which disables writes to the EEPROM
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type: boolean
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select-gpios:
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description:
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specifies the GPIO that needs to be asserted prior to each access
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of EEPROM (e.g. for SPI bus multiplexing)
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maxItems: 1
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required:
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- compatible
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- reg
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- data-size
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- spi-max-frequency
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allOf:
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- $ref: /schemas/spi/spi-peripheral-props.yaml#
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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spi {
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#address-cells = <1>;
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#size-cells = <0>;
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eeprom@0 {
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compatible = "eeprom-93xx46";
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reg = <0>;
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spi-max-frequency = <1000000>;
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spi-cs-high;
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data-size = <8>;
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select-gpios = <&gpio4 4 GPIO_ACTIVE_HIGH>;
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};
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};
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Reference in New Issue
Block a user