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-rw-r--r--dts/Bindings/eeprom/at24.txt1
-rw-r--r--dts/Bindings/eeprom/at24.yaml48
-rw-r--r--dts/Bindings/eeprom/at25.yaml44
-rw-r--r--dts/Bindings/eeprom/microchip,93lc46b.yaml70
4 files changed, 136 insertions, 27 deletions
diff --git a/dts/Bindings/eeprom/at24.txt b/dts/Bindings/eeprom/at24.txt
deleted file mode 100644
index c94acbb8cb..0000000000
--- a/dts/Bindings/eeprom/at24.txt
+++ /dev/null
@@ -1 +0,0 @@
-This file has been moved to at24.yaml.
diff --git a/dts/Bindings/eeprom/at24.yaml b/dts/Bindings/eeprom/at24.yaml
index 021d8ae42d..1812ef31d5 100644
--- a/dts/Bindings/eeprom/at24.yaml
+++ b/dts/Bindings/eeprom/at24.yaml
@@ -2,14 +2,18 @@
# Copyright 2019 BayLibre SAS
%YAML 1.2
---
-$id: "http://devicetree.org/schemas/eeprom/at24.yaml#"
-$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+$id: http://devicetree.org/schemas/eeprom/at24.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
title: I2C EEPROMs compatible with Atmel's AT24
maintainers:
- Bartosz Golaszewski <bgolaszewski@baylibre.com>
+allOf:
+ - $ref: /schemas/nvmem/nvmem.yaml
+ - $ref: /schemas/nvmem/nvmem-deprecated-cells.yaml
+
select:
properties:
compatible:
@@ -32,7 +36,6 @@ properties:
oneOf:
- allOf:
- minItems: 1
- maxItems: 2
items:
- pattern: "^(atmel|catalyst|microchip|nxp|ramtron|renesas|rohm|st),(24(c|cs|lc|mac)[0-9]+|spd)$"
- pattern: "^atmel,(24(c|cs|mac)[0-9]+|spd)$"
@@ -66,10 +69,14 @@ properties:
- items:
pattern: c32$
- items:
+ pattern: c32d-wl$
+ - items:
pattern: cs32$
- items:
pattern: c64$
- items:
+ pattern: c64d-wl$
+ - items:
pattern: cs64$
- items:
pattern: c128$
@@ -88,6 +95,10 @@ properties:
- items:
pattern: cs1024$
- items:
+ pattern: c1025$
+ - items:
+ pattern: cs1025$
+ - items:
pattern: c2048$
- items:
pattern: cs2048$
@@ -96,26 +107,35 @@ properties:
# These are special cases that don't conform to the above pattern.
# Each requires a standard at24 model as fallback.
- items:
- - const: nxp,se97b
- - const: atmel,24c02
+ - const: belling,bl24c16a
+ - const: atmel,24c16
- items:
- - const: renesas,r1ex24002
+ - enum:
+ - rohm,br24g01
+ - rohm,br24t01
+ - const: atmel,24c01
+ - items:
+ - enum:
+ - nxp,se97b
+ - renesas,r1ex24002
- const: atmel,24c02
- items:
+ - enum:
+ - onnn,cat24c04
+ - onnn,cat24c05
+ - rohm,br24g04
+ - const: atmel,24c04
+ - items:
- const: renesas,r1ex24016
- const: atmel,24c16
- items:
- const: giantec,gt24c32a
- const: atmel,24c32
- items:
- - const: renesas,r1ex24128
+ - enum:
+ - renesas,r1ex24128
+ - samsung,s524ad0xd1
- const: atmel,24c128
- - items:
- - const: rohm,br24g01
- - const: atmel,24c01
- - items:
- - const: rohm,br24t01
- - const: atmel,24c01
label:
description: Descriptive name of the EEPROM.
@@ -175,7 +195,7 @@ required:
- compatible
- reg
-additionalProperties: false
+unevaluatedProperties: false
examples:
- |
diff --git a/dts/Bindings/eeprom/at25.yaml b/dts/Bindings/eeprom/at25.yaml
index 6a2dc8b3ed..1715b0c9fe 100644
--- a/dts/Bindings/eeprom/at25.yaml
+++ b/dts/Bindings/eeprom/at25.yaml
@@ -1,17 +1,19 @@
# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
-$id: "http://devicetree.org/schemas/eeprom/at25.yaml#"
-$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+$id: http://devicetree.org/schemas/eeprom/at25.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
-title: SPI EEPROMs compatible with Atmel's AT25
+title: SPI EEPROMs or FRAMs compatible with Atmel's AT25
maintainers:
- Christian Eggers <ceggers@arri.de>
properties:
$nodename:
- pattern: "^eeprom@[0-9a-f]{1,2}$"
+ anyOf:
+ - pattern: "^eeprom@[0-9a-f]{1,2}$"
+ - pattern: "^fram@[0-9a-f]{1,2}$"
# There are multiple known vendors who manufacture EEPROM chips compatible
# with Atmel's AT25. The compatible string requires two items where the
@@ -31,6 +33,8 @@ properties:
- microchip,25lc040
- st,m95m02
- st,m95256
+ - st,m95640
+ - cypress,fm25
- const: atmel,at25
@@ -41,13 +45,11 @@ properties:
reg:
maxItems: 1
- spi-max-frequency: true
-
pagesize:
$ref: /schemas/types.yaml#/definitions/uint32
enum: [1, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072]
description:
- Size of the eeprom page.
+ Size of the eeprom page. FRAMs don't have pages.
size:
$ref: /schemas/types.yaml#/definitions/uint32
@@ -100,16 +102,28 @@ required:
- compatible
- reg
- spi-max-frequency
- - pagesize
- - size
- - address-width
-additionalProperties: false
+allOf:
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+ - $ref: /schemas/nvmem/nvmem.yaml
+ - if:
+ properties:
+ compatible:
+ not:
+ contains:
+ const: cypress,fm25
+ then:
+ required:
+ - pagesize
+ - size
+ - address-width
+
+unevaluatedProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
- spi0 {
+ spi {
#address-cells = <1>;
#size-cells = <0>;
@@ -125,4 +139,10 @@ examples:
size = <32768>;
address-width = <16>;
};
+
+ fram@1 {
+ compatible = "cypress,fm25", "atmel,at25";
+ reg = <1>;
+ spi-max-frequency = <40000000>;
+ };
};
diff --git a/dts/Bindings/eeprom/microchip,93lc46b.yaml b/dts/Bindings/eeprom/microchip,93lc46b.yaml
new file mode 100644
index 0000000000..144e86ce5c
--- /dev/null
+++ b/dts/Bindings/eeprom/microchip,93lc46b.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/eeprom/microchip,93lc46b.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip 93xx46 SPI compatible EEPROM family
+
+maintainers:
+ - Cory Tusar <cory.tusar@pid1solutions.com>
+
+properties:
+ compatible:
+ enum:
+ - atmel,at93c46
+ - atmel,at93c46d
+ - atmel,at93c56
+ - atmel,at93c66
+ - eeprom-93xx46
+ - microchip,93lc46b
+
+ data-size:
+ description: number of data bits per word
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [8, 16]
+
+ reg:
+ description: chip select of EEPROM
+ maxItems: 1
+
+ read-only:
+ description:
+ parameter-less property which disables writes to the EEPROM
+ type: boolean
+
+ select-gpios:
+ description:
+ specifies the GPIO that needs to be asserted prior to each access
+ of EEPROM (e.g. for SPI bus multiplexing)
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - data-size
+ - spi-max-frequency
+
+allOf:
+ - $ref: /schemas/spi/spi-peripheral-props.yaml#
+ - $ref: /schemas/nvmem/nvmem.yaml
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ spi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ eeprom@0 {
+ compatible = "eeprom-93xx46";
+ reg = <0>;
+ spi-max-frequency = <1000000>;
+ spi-cs-high;
+ data-size = <8>;
+ select-gpios = <&gpio4 4 GPIO_ACTIVE_HIGH>;
+ };
+ };
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 22:12:44 +0000