From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomer Maimon Subject: [PATCH v1 1/2] dt-binding: hwrng: add NPCM RNG documentation Date: Wed, 28 Aug 2019 19:26:16 +0300 Message-ID: <20190828162617.237398-2-tmaimon77@gmail.com> References: <20190828162617.237398-1-tmaimon77@gmail.com> Return-path: In-Reply-To: <20190828162617.237398-1-tmaimon77@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: mpm@selenic.com, herbert@gondor.apana.org.au, arnd@arndb.de, gregkh@linuxfoundation.org, robh+dt@kernel.org, mark.rutland@arm.com, avifishman70@gmail.com, tali.perry1@gmail.com, venture@google.com, yuenn@google.com, benjaminfair@google.com, sumit.garg@linaro.org, jens.wiklander@linaro.org, vkoul@kernel.org, tglx@linutronix.de, joel@jms.id.au Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, openbmc@lists.ozlabs.org, Tomer Maimon List-Id: devicetree@vger.kernel.org Added device tree binding documentation for Nuvoton BMC NPCM Random Number Generator (RNG). Signed-off-by: Tomer Maimon --- .../bindings/rng/nuvoton,npcm-rng.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 Documentation/devicetree/bindings/rng/nuvoton,npcm-rng.txt diff --git a/Documentation/devicetree/bindings/rng/nuvoton,npcm-rng.txt b/Documentation/devicetree/bindings/rng/nuvoton,npcm-rng.txt new file mode 100644 index 000000000000..a697b4425fb3 --- /dev/null +++ b/Documentation/devicetree/bindings/rng/nuvoton,npcm-rng.txt @@ -0,0 +1,17 @@ +NPCM SoC Random Number Generator + +Required properties: +- compatible : "nuvoton,npcm750-rng" for the NPCM7XX BMC. +- reg : Specifies physical base address and size of the registers. + +Optional property: +- quality : estimated number of bits of true entropy per 1024 bits + read from the rng. + If this property is not defined, it defaults to 1000. + +Example: + +rng: rng@f000b000 { + compatible = "nuvoton,npcm750-rng"; + reg = <0xf000b000 0x8>; +}; -- 2.18.0