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dts: arm: renesas: Add erase-value-undefined property for Renesas RA flash

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Add an erased-undefined property for Renesas RA series MCUS
data flash that will read back undefined values when erased

Signed-off-by: Jeremy Dick <jdick@pivotint.com>
This commit is contained in:
Jeremy Dick 2025-05-05 07:13:03 -05:00 • committed by Fabio Baltieri
commit 48680298c1
16 changed files with 19 additions and 0 deletions
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1
dts/arm/renesas/ra/ra4/r7fa4e10d2cfm.dtsi
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@ -28,6 +28,7 @@
write-block-size = <4>; write-block-size = <4>;
erase-block-size = <64>; erase-block-size = <64>;
programming-enable; programming-enable;
erase-value-undefined;
}; };
}; };
}; };

1
dts/arm/renesas/ra/ra4/r7fa4e10d2cne.dtsi
View file

@ -28,6 +28,7 @@
write-block-size = <4>; write-block-size = <4>;
erase-block-size = <64>; erase-block-size = <64>;
programming-enable; programming-enable;
erase-value-undefined;
}; };
}; };
}; };

1
dts/arm/renesas/ra/ra4/r7fa4e2b93cfm.dtsi
View file

@ -57,6 +57,7 @@
write-block-size = <4>; write-block-size = <4>;
erase-block-size = <64>; erase-block-size = <64>;
programming-enable; programming-enable;
erase-value-undefined;
}; };
}; };

1
dts/arm/renesas/ra/ra4/r7fa4m2ad3cfp.dtsi
View file

@ -28,6 +28,7 @@
write-block-size = <4>; write-block-size = <4>;
erase-block-size = <64>; erase-block-size = <64>;
programming-enable; programming-enable;
erase-value-undefined;
}; };
}; };
}; };

1
dts/arm/renesas/ra/ra4/r7fa4m3af3cfb.dtsi
View file

@ -28,6 +28,7 @@
write-block-size = <4>; write-block-size = <4>;
erase-block-size = <64>; erase-block-size = <64>;
programming-enable; programming-enable;
erase-value-undefined;
}; };
}; };
}; };

1
dts/arm/renesas/ra/ra6/r7fa6e10f2cfp.dtsi
View file

@ -27,6 +27,7 @@
write-block-size = <4>; write-block-size = <4>;
erase-block-size = <64>; erase-block-size = <64>;
programming-enable; programming-enable;
erase-value-undefined;
}; };
}; };
}; };

1
dts/arm/renesas/ra/ra6/r7fa6e2bb3cfm.dtsi
View file

@ -27,6 +27,7 @@
write-block-size = <4>; write-block-size = <4>;
erase-block-size = <64>; erase-block-size = <64>;
programming-enable; programming-enable;
erase-value-undefined;
}; };
}; };
}; };

1
dts/arm/renesas/ra/ra6/r7fa6m1ad3cfp.dtsi
View file

@ -36,6 +36,7 @@
write-block-size = <4>; write-block-size = <4>;
erase-block-size = <64>; erase-block-size = <64>;
programming-enable; programming-enable;
erase-value-undefined;
}; };
}; };

1
dts/arm/renesas/ra/ra6/r7fa6m2af3cfb.dtsi
View file

@ -27,6 +27,7 @@
write-block-size = <4>; write-block-size = <4>;
erase-block-size = <64>; erase-block-size = <64>;
programming-enable; programming-enable;
erase-value-undefined;
}; };
}; };

1
dts/arm/renesas/ra/ra6/r7fa6m3ah3cfc.dtsi
View file

@ -27,6 +27,7 @@
write-block-size = <4>; write-block-size = <4>;
erase-block-size = <64>; erase-block-size = <64>;
programming-enable; programming-enable;
erase-value-undefined;
}; };
}; };

1
dts/arm/renesas/ra/ra6/r7fa6m4af3cfb.dtsi
View file

@ -27,6 +27,7 @@
write-block-size = <4>; write-block-size = <4>;
erase-block-size = <64>; erase-block-size = <64>;
programming-enable; programming-enable;
erase-value-undefined;
}; };
}; };
}; };

1
dts/arm/renesas/ra/ra6/r7fa6m5bh3cfc.dtsi
View file

@ -27,6 +27,7 @@
write-block-size = <4>; write-block-size = <4>;
erase-block-size = <64>; erase-block-size = <64>;
programming-enable; programming-enable;
erase-value-undefined;
}; };
}; };
}; };

1
dts/arm/renesas/ra/ra8/r7fa8d1bhecbd.dtsi
View file

@ -28,6 +28,7 @@
write-block-size = <4>; write-block-size = <4>;
erase-block-size = <64>; erase-block-size = <64>;
programming-enable; programming-enable;
erase-value-undefined;
}; };
}; };
}; };

1
dts/arm/renesas/ra/ra8/r7fa8m1ahecbd.dtsi
View file

@ -27,6 +27,7 @@
write-block-size = <4>; write-block-size = <4>;
erase-block-size = <64>; erase-block-size = <64>;
programming-enable; programming-enable;
erase-value-undefined;
}; };
}; };
}; };

1
dts/arm/renesas/ra/ra8/r7fa8t1ahecbd.dtsi
View file

@ -27,6 +27,7 @@
write-block-size = <4>; write-block-size = <4>;
erase-block-size = <64>; erase-block-size = <64>;
programming-enable; programming-enable;
erase-value-undefined;
}; };
}; };
}; };

4
dts/bindings/mtd/renesas,ra-nv-data-flash.yaml
View file

@ -13,3 +13,7 @@ properties:
type: boolean type: boolean
description: | description: |
Enable data flash programming configuration Enable data flash programming configuration
erase-value-undefined:
type: boolean
description: Areas of flash that are in an erased state will read back undefined values.