* [PATCH 1/2] crypto: atmel-ecc - add support for atecc608b
@ 2026-03-30 10:08 Thorsten Blum
2026-03-30 10:08 ` [PATCH 2/2] dt-bindings: trivial-devices: add atmel,atecc608b Thorsten Blum
0 siblings, 1 reply; 3+ messages in thread
From: Thorsten Blum @ 2026-03-30 10:08 UTC (permalink / raw)
To: Herbert Xu, David S. Miller, Nicolas Ferre, Alexandre Belloni,
Claudiu Beznea
Cc: Thorsten Blum, linux-crypto, linux-arm-kernel, linux-kernel
Tested on hardware with an ATECC608B at 0x60. The device binds
successfully, passes the driver's sanity check, and registers the
ecdh-nist-p256 KPP algorithm.
The hardware ECDH path was also exercised using a minimal KPP test
module, covering private key generation, public key derivation, and
shared secret computation.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
drivers/crypto/atmel-ecc.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/crypto/atmel-ecc.c b/drivers/crypto/atmel-ecc.c
index b6a77c8d439c..5793e0c44113 100644
--- a/drivers/crypto/atmel-ecc.c
+++ b/drivers/crypto/atmel-ecc.c
@@ -371,6 +371,8 @@ static void atmel_ecc_remove(struct i2c_client *client)
static const struct of_device_id atmel_ecc_dt_ids[] = {
{
.compatible = "atmel,atecc508a",
+ }, {
+ .compatible = "atmel,atecc608b",
}, {
/* sentinel */
}
@@ -380,6 +382,7 @@ MODULE_DEVICE_TABLE(of, atmel_ecc_dt_ids);
static const struct i2c_device_id atmel_ecc_id[] = {
{ "atecc508a" },
+ { "atecc608b" },
{ }
};
MODULE_DEVICE_TABLE(i2c, atmel_ecc_id);
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 2/2] dt-bindings: trivial-devices: add atmel,atecc608b
2026-03-30 10:08 [PATCH 1/2] crypto: atmel-ecc - add support for atecc608b Thorsten Blum
@ 2026-03-30 10:08 ` Thorsten Blum
2026-04-08 0:19 ` Rob Herring (Arm)
0 siblings, 1 reply; 3+ messages in thread
From: Thorsten Blum @ 2026-03-30 10:08 UTC (permalink / raw)
To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Guenter Roeck,
Jonathan Cameron, Frank Li, Wensheng Wang, Nuno Sá,
Cosmo Chou, Eddie James, Pawel Dembicki, Dixit Parmar,
Antoni Pokusinski
Cc: Thorsten Blum, Krzysztof Kozlowski, Conor Dooley, devicetree,
linux-kernel
Add entry for ATECC608B. Update the ATECC508A comment for consistency.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
Documentation/devicetree/bindings/trivial-devices.yaml | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index a482aeadcd44..9da4c73b23cf 100644
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -63,8 +63,10 @@ properties:
- arduino,unoq-mcu
# Temperature monitoring of Astera Labs PT5161L PCIe retimer
- asteralabs,pt5161l
- # i2c h/w elliptic curve crypto module
+ # ATECC508A - i2c h/w elliptic curve crypto module
- atmel,atecc508a
+ # ATECC608B - i2c h/w elliptic curve crypto module
+ - atmel,atecc608b
# ATSHA204 - i2c h/w symmetric crypto module
- atmel,atsha204
# ATSHA204A - i2c h/w symmetric crypto module
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH 2/2] dt-bindings: trivial-devices: add atmel,atecc608b
2026-03-30 10:08 ` [PATCH 2/2] dt-bindings: trivial-devices: add atmel,atecc608b Thorsten Blum
@ 2026-04-08 0:19 ` Rob Herring (Arm)
0 siblings, 0 replies; 3+ messages in thread
From: Rob Herring (Arm) @ 2026-04-08 0:19 UTC (permalink / raw)
To: Thorsten Blum
Cc: Guenter Roeck, Conor Dooley, Krzysztof Kozlowski,
Antoni Pokusinski, Jonathan Cameron, Cosmo Chou, Pawel Dembicki,
Nuno Sá, Wensheng Wang, Dixit Parmar, Frank Li,
Krzysztof Kozlowski, devicetree, Conor Dooley, linux-kernel,
Eddie James
On Mon, 30 Mar 2026 12:08:01 +0200, Thorsten Blum wrote:
> Add entry for ATECC608B. Update the ATECC508A comment for consistency.
>
> Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
> ---
> Documentation/devicetree/bindings/trivial-devices.yaml | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
^ permalink raw reply [flat|nested] 3+ messages in thread
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