Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 426 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/eeprom/at24.yaml b/Documentation/devicetree/bindings/eeprom/at24.yaml
new file mode 100644
index 000000000..98139489d
--- /dev/null
+++ b/Documentation/devicetree/bindings/eeprom/at24.yaml
@@ -0,0 +1,208 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# Copyright 2019 BayLibre SAS
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/eeprom/at24.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: I2C EEPROMs compatible with Atmel's AT24
+
+maintainers:
+  - Bartosz Golaszewski <bgolaszewski@baylibre.com>
+
+allOf:
+  - $ref: /schemas/nvmem/nvmem.yaml
+
+select:
+  properties:
+    compatible:
+      contains:
+        pattern: "^atmel,(24(c|cs|mac)[0-9]+|spd)$"
+  required:
+    - compatible
+
+properties:
+  $nodename:
+    pattern: "^eeprom@[0-9a-f]{1,2}$"
+
+  # There are multiple known vendors who manufacture EEPROM chips compatible
+  # with Atmel's AT24. The compatible string requires either a single item
+  # if the memory comes from Atmel (in which case the vendor part must be
+  # 'atmel') or two items with the same 'model' part where the vendor part of
+  # the first one is the actual manufacturer and the second item is the
+  # corresponding 'atmel,<model>' from Atmel.
+  compatible:
+    oneOf:
+      - allOf:
+          - minItems: 1
+            items:
+              - pattern: "^(atmel|catalyst|microchip|nxp|ramtron|renesas|rohm|st),(24(c|cs|lc|mac)[0-9]+|spd)$"
+              - pattern: "^atmel,(24(c|cs|mac)[0-9]+|spd)$"
+          - oneOf:
+              - items:
+                  pattern: c00$
+              - items:
+                  pattern: c01$
+              - items:
+                  pattern: cs01$
+              - items:
+                  pattern: c02$
+              - items:
+                  pattern: cs02$
+              - items:
+                  pattern: mac402$
+              - items:
+                  pattern: mac602$
+              - items:
+                  pattern: c04$
+              - items:
+                  pattern: cs04$
+              - items:
+                  pattern: c08$
+              - items:
+                  pattern: cs08$
+              - items:
+                  pattern: c16$
+              - items:
+                  pattern: cs16$
+              - items:
+                  pattern: c32$
+              - items:
+                  pattern: cs32$
+              - items:
+                  pattern: c64$
+              - items:
+                  pattern: cs64$
+              - items:
+                  pattern: c128$
+              - items:
+                  pattern: cs128$
+              - items:
+                  pattern: c256$
+              - items:
+                  pattern: cs256$
+              - items:
+                  pattern: c512$
+              - items:
+                  pattern: cs512$
+              - items:
+                  pattern: c1024$
+              - items:
+                  pattern: cs1024$
+              - items:
+                  pattern: c1025$
+              - items:
+                  pattern: cs1025$
+              - items:
+                  pattern: c2048$
+              - items:
+                  pattern: cs2048$
+              - items:
+                  pattern: spd$
+      # These are special cases that don't conform to the above pattern.
+      # Each requires a standard at24 model as fallback.
+      - items:
+          - const: belling,bl24c16a
+          - const: atmel,24c16
+      - items:
+          - enum:
+              - rohm,br24g01
+              - rohm,br24t01
+          - const: atmel,24c01
+      - items:
+          - enum:
+              - nxp,se97b
+              - renesas,r1ex24002
+          - const: atmel,24c02
+      - items:
+          - enum:
+              - onnn,cat24c04
+              - onnn,cat24c05
+          - const: atmel,24c04
+      - items:
+          - const: renesas,r1ex24016
+          - const: atmel,24c16
+      - items:
+          - const: giantec,gt24c32a
+          - const: atmel,24c32
+      - items:
+          - enum:
+              - renesas,r1ex24128
+              - samsung,s524ad0xd1
+          - const: atmel,24c128
+
+  label:
+    description: Descriptive name of the EEPROM.
+
+  reg:
+    maxItems: 1
+
+  pagesize:
+    description:
+      The length of the pagesize for writing. Please consult the
+      manual of your device, that value varies a lot. A wrong value
+      may result in data loss! If not specified, a safety value of
+      '1' is used which will be very slow.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [1, 8, 16, 32, 64, 128, 256]
+    default: 1
+
+  read-only:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Disables writes to the eeprom.
+
+  size:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Total eeprom size in bytes.
+
+  no-read-rollover:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description:
+      Indicates that the multi-address eeprom does not automatically roll
+      over reads to the next slave address. Please consult the manual of
+      your device.
+
+  wp-gpios: true
+
+  address-width:
+    description:
+      Number of address bits.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    default: 8
+    enum: [ 8, 16 ]
+
+  num-addresses:
+    description:
+      Total number of i2c slave addresses this device takes.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    default: 1
+    minimum: 1
+    maximum: 8
+
+  vcc-supply:
+    description:
+      phandle of the regulator that provides the supply voltage.
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      eeprom@52 {
+          compatible = "microchip,24c32", "atmel,24c32";
+          reg = <0x52>;
+          pagesize = <32>;
+          wp-gpios = <&gpio1 3 0>;
+          num-addresses = <8>;
+      };
+    };
+...
diff --git a/Documentation/devicetree/bindings/eeprom/at25.yaml b/Documentation/devicetree/bindings/eeprom/at25.yaml
new file mode 100644
index 000000000..1715b0c9f
--- /dev/null
+++ b/Documentation/devicetree/bindings/eeprom/at25.yaml
@@ -0,0 +1,148 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/eeprom/at25.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SPI EEPROMs or FRAMs compatible with Atmel's AT25
+
+maintainers:
+  - Christian Eggers <ceggers@arri.de>
+
+properties:
+  $nodename:
+    anyOf:
+      - pattern: "^eeprom@[0-9a-f]{1,2}$"
+      - 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
+  # 'vendor' and 'model' parts of the first are the actual chip and the second
+  # item is fixed to "atmel,at25". Some existing bindings only have the
+  # "atmel,at25" part and should be fixed by somebody who knows vendor and
+  # product.
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - anvo,anv32e61w
+              - atmel,at25256B
+              - fujitsu,mb85rs1mt
+              - fujitsu,mb85rs64
+              - microchip,at25160bn
+              - microchip,25lc040
+              - st,m95m02
+              - st,m95256
+              - st,m95640
+              - cypress,fm25
+
+          - const: atmel,at25
+
+      # Please don't use this alternative for new bindings.
+      - items:
+          - const: atmel,at25
+
+  reg:
+    maxItems: 1
+
+  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. FRAMs don't have pages.
+
+  size:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Total eeprom size in bytes.
+
+  address-width:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [ 8, 9, 16, 24 ]
+    description:
+      Number of address bits.
+      For 9 bits, the MSB of the address is sent as bit 3 of the instruction
+      byte, before the address byte.
+
+  spi-cpha: true
+
+  spi-cpol: true
+
+  read-only:
+    description:
+      Disable writes to the eeprom.
+    type: boolean
+
+  wp-gpios:
+    maxItems: 1
+    description:
+      GPIO to which the write-protect pin of the chip is connected.
+
+  # Deprecated: at25,byte-len, at25,addr-mode, at25,page-size
+  at25,byte-len:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Total eeprom size in bytes. Deprecated, use "size" property instead.
+    deprecated: true
+
+  at25,addr-mode:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Addr-mode flags, as defined in include/linux/spi/eeprom.h.
+      Deprecated, use "address-width" property instead.
+    deprecated: true
+
+  at25,page-size:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Size of the eeprom page. Deprecated, use "pagesize" property instead.
+    deprecated: true
+
+required:
+  - compatible
+  - reg
+  - spi-max-frequency
+
+allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+  - $ref: /schemas/nvmem/nvmem.yaml
+  - if:
+      properties:
+        compatible:
+          not:
+            contains:
+              const: cypress,fm25
+    then:
+      required:
+        - pagesize
+        - size
+        - address-width
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        eeprom@0 {
+            compatible = "st,m95256", "atmel,at25";
+            reg = <0>;
+            spi-max-frequency = <5000000>;
+            spi-cpha;
+            spi-cpol;
+            wp-gpios = <&gpio1 3 0>;
+
+            pagesize = <64>;
+            size = <32768>;
+            address-width = <16>;
+        };
+
+        fram@1 {
+            compatible = "cypress,fm25", "atmel,at25";
+            reg = <1>;
+            spi-max-frequency = <40000000>;
+        };
+    };
diff --git a/Documentation/devicetree/bindings/eeprom/microchip,93lc46b.yaml b/Documentation/devicetree/bindings/eeprom/microchip,93lc46b.yaml
new file mode 100644
index 000000000..144e86ce5
--- /dev/null
+++ b/Documentation/devicetree/bindings/eeprom/microchip,93lc46b.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$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>;
+      };
+    };