[PATCH 3/3] nvmem: eeprom: add documentation for FRAM

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Added dt binding documentation.

Signed-off-by: Jiri Prchal <jiri.prchal@xxxxxxxxxxx>
---
 Documentation/devicetree/bindings/eeprom/at25.yaml | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/eeprom/at25.yaml b/Documentation/devicetree/bindings/eeprom/at25.yaml
index 121a601db22e..f9191b67080d 100644
--- a/Documentation/devicetree/bindings/eeprom/at25.yaml
+++ b/Documentation/devicetree/bindings/eeprom/at25.yaml
@@ -4,7 +4,7 @@
 $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@xxxxxxx>
@@ -31,6 +31,7 @@ properties:
               - microchip,25lc040
               - st,m95m02
               - st,m95256
+              - cypress,fm25
 
           - const: atmel,at25
 
@@ -48,7 +49,7 @@ properties:
     $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
@@ -101,6 +102,7 @@ required:
   - compatible
   - reg
   - spi-max-frequency
+  # these are for eeproms only
   - pagesize
   - size
   - address-width
@@ -127,3 +129,9 @@ examples:
             address-width = <16>;
         };
     };
+
+        fram@1 {
+            compatible = "cypress,fm25";
+            reg = <1>;
+            spi-max-frequency = <40000000>;
+        };
-- 
2.25.1




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