Return-Path: Received: from mail-pf1-f194.google.com ([209.85.210.194]:41328 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729577AbeL0LIM (ORCPT ); Thu, 27 Dec 2018 06:08:12 -0500 Received: by mail-pf1-f194.google.com with SMTP id b7so9028635pfi.8 for ; Thu, 27 Dec 2018 03:08:11 -0800 (PST) From: Sumit Garg To: linux-crypto@vger.kernel.org, devicetree@vger.kernel.org Cc: mpm@selenic.com, herbert@gondor.apana.org.au, robh+dt@kernel.org, mark.rutland@arm.com, arnd@arndb.de, gregkh@linuxfoundation.org, jens.wiklander@linaro.org, daniel.thompson@linaro.org, ard.biesheuvel@linaro.org, bhsharma@redhat.com, tee-dev@lists.linaro.org, Sumit Garg Subject: [PATCH v1 1/2] dt/bindings: add bindings for optional optee rng-uuid property Date: Thu, 27 Dec 2018 16:37:10 +0530 Message-Id: <1545908831-25910-2-git-send-email-sumit.garg@linaro.org> In-Reply-To: <1545908831-25910-1-git-send-email-sumit.garg@linaro.org> References: <1545908831-25910-1-git-send-email-sumit.garg@linaro.org> Sender: linux-crypto-owner@vger.kernel.org List-ID: Add bindings for OP-TEE based optional hardware random number generator identifier property. It could be used on ARM based devices where entropy source is not accessible to normal world (linux in this case). Signed-off-by: Sumit Garg --- Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt index d38834c..e3a4c35 100644 --- a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt +++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.txt @@ -20,6 +20,9 @@ the reference implementation maintained by Linaro. "hvc" : HVC #0, with the register assignments specified in drivers/tee/optee/optee_smc.h +- rng-uuid : Optional OP-TEE based RNG service identifier in case + hardware entropy source is not accesible to normal world + (Linux). Example: @@ -27,5 +30,6 @@ Example: optee { compatible = "linaro,optee-tz"; method = "smc"; + rng-uuid = "ab7a617c-b8e7-4d8f-8301-d09b61036b64"; }; }; -- 2.7.4