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[2603:6081:7b01:cbda:2ef0:5dff:fedb:a8ba]) by smtp.gmail.com with ESMTPSA id o13-20020ac87c4d000000b002e1e732dea5sm23955qtv.70.2022.03.23.06.32.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Mar 2022 06:32:05 -0700 (PDT) Date: Wed, 23 Mar 2022 09:32:03 -0400 From: Tom Rini To: =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= Cc: Rob Herring , Srinivas Kandagatla , Krzysztof Kozlowski , Ricardo Salveti , Michal Simek , Jorge Ramirez-Ortiz , Sean Anderson , devicetree@vger.kernel.org, u-boot@lists.denx.de, linux-kernel@vger.kernel.org, =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= Subject: Re: [PATCH V3] dt-bindings: nvmem: add U-Boot environment variables binding Message-ID: <20220323133203.GD2226424@bill-the-cat> References: <20220228131250.16943-1-zajec5@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="dicp5grlxus9uUnk" Content-Disposition: inline In-Reply-To: <20220228131250.16943-1-zajec5@gmail.com> X-Clacks-Overhead: GNU Terry Pratchett Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org --dicp5grlxus9uUnk Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Feb 28, 2022 at 02:12:50PM +0100, Rafa=C5=82 Mi=C5=82ecki wrote: > From: Rafa=C5=82 Mi=C5=82ecki >=20 > U-Boot uses environment variables for storing device setup data. It > usually needs to be accessed by a bootloader, kernel and often > user-space. >=20 > This binding allows describing environment data located in a raw flash > partition. It's treated as NVMEM device and can be reused later for > other storage devices. >=20 > Using DT should be cleaner than hardcoding & duplicating such info in > multiple places. Bootloader & kernel can share DTS and user-space can > try reading it too or just have correct data exposed by a kernel. >=20 > A custom "compatible" string allows system to automatically load > relevant NVMEM driver but phandle can be also used for reading raw > location. >=20 > Signed-off-by: Rafa=C5=82 Mi=C5=82ecki Reviewed-by: Tom Rini --=20 Tom --dicp5grlxus9uUnk Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEEGjx/cOCPqxcHgJu/FHw5/5Y0tywFAmI7IVIACgkQFHw5/5Y0 tyzRfQwAt3O0IvBGs764YvWeHo1sL/8xI1tMnKQnfo+cZmVJBI60nE+Ghmu0Y3Rn Me445fR/Ill/NBVMdUnp2bhPUWUI/puej7VqfB1t5mm3xCaeD2BRl+BVwIue73FX vNf9Sk3tIBNrh8mDihG5XMNMq8UWkms+FDk/zjv2I7pfJ//Wpgo3nDlX5Wyle1hp YDK3JlsgMI3wYMJQZ5g7+EknBgtTPndJ0DyjO2gCuZEOh688Tf3eXmC21+0aW/o/ 2ErUXJmux8BxvRZqHH2bpH00sY/377FSlGowlI09GlR8VYvGFIfWIX0NFE4gauKG wSavW952MP1pYMulvQIDBtg2aQNnigugCUM7Xm1xVHlvZQATqqdtIgusvEozkuKk VSGnyWhYPANUINk7FORtIctrGkmNWe8JOeBtjMsLtmYJiRiCwvrYkNxfPGUuWYK2 10CnEzryX9Flx8ez8Sg/ywniMD77fwub90QQv9fqaKta/EqKSt08wruLoAtp/c12 mgGwY0fX =rCXN -----END PGP SIGNATURE----- --dicp5grlxus9uUnk--