From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomi Valkeinen Date: Tue, 24 Nov 2015 11:00:46 +0000 Subject: Re: [PATCH v5 0/2] simplefb: Add regulator handling support Message-Id: <5654435E.3060202@ti.com> MIME-Version: 1 Content-Type: multipart/mixed; boundary="ncefJ31MsxRgxs7D4FUpbuCAAmhD2aQfu" List-Id: References: <1447734663-19189-1-git-send-email-wens@csie.org> In-Reply-To: <1447734663-19189-1-git-send-email-wens-jdAy2FN1RRM@public.gmane.org> To: Chen-Yu Tsai , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Jean-Christophe Plagniol-Villard , Hans de Goede Cc: Mark Brown , linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, linux-fbdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org --ncefJ31MsxRgxs7D4FUpbuCAAmhD2aQfu Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 17/11/15 06:31, Chen-Yu Tsai wrote: > Hi everyone, >=20 > This is v5 of the simplefb regulator support series. This series adds > regulator claiming and enabling support for simplefb. >=20 > Hans, I dropped your Reviewed-by tag from patch 2 since v4. >=20 > Changes since v5: > - Rebased onto v4.4-rc1 > - Dropped dts patches (merged) >=20 > Changes since v4: > - Fixed inverted logic when testing the property name. > - Fixed regulator supply name string copy length off by 1. > - Added real world user, MSI Primo 81 dts patches. >=20 > Changes since v3: > - Dropped extra "if" which is always true, leftover from v1. > - Updated commit message of patch 1 >=20 > Sometimes the simplefb display output path consits of external conversi= on > chips and/or LCD drivers and backlights. These devices normally have > GPIOs to turn them on and/or bring them out of reset, and regulators > supplying power to them. >=20 > While the kernel does not touch unclaimed GPIOs, the regulator core > happily disables unused regulators. Thus we need simplefb to claim > and enable the regulators used throughout the display pipeline. >=20 > The binding supports any named regulator supplies under its device > node. The driver will look through its properties, and claim any > regulators by matching "*-supply", as Mark suggested. >=20 > I've not done a generic helper in the regulator core yet, instead doing= > the regulator property handling in the simplefb code for now. >=20 >=20 > Patch 1 adds the regulator properties to the DT binding. >=20 > Patch 2 adds code to the simplefb driver to claim and enable regulators= =2E >=20 > Regards > ChenYu >=20 >=20 > Chen-Yu Tsai (2): > dt-bindings: simplefb: Support regulator supply properties > simplefb: Claim and enable regulators >=20 > .../bindings/display/simple-framebuffer.txt | 13 ++- > drivers/video/fbdev/simplefb.c | 120 +++++++++++++= +++++++- > 2 files changed, 128 insertions(+), 5 deletions(-) >=20 Thanks, queued for 4.5. Tomi --ncefJ31MsxRgxs7D4FUpbuCAAmhD2aQfu Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJWVENeAAoJEPo9qoy8lh71InYP/0OIXfv8cD6E165wbCWE3PQZ wHNkY0a4tqswUOonj4MC6nqIwDCgbaXxTptmWTXsjCxhGf9ZYpeddva2Qx6t8k+q mj+tQRu47teqC47mDTtJS2MMi0TMtH8mTMB4nrELVJzcdPMP9oBD0Gw1PnzQLzLS RRhDSNUtgKT0cAwJnQNndr1r4KcCuFjgNsHx6sPlHE+NdFDdggCN7yJ1P+fP8Ctl trJ8oYZZKNkURq4LN10+TcJ+5vPGymMz4m/3TgNOqvcCMcGdWTDUqSl1aBDrjxNd 1tsgK9i2NoYRObh5G/NTiu0mcEbJb/Xy/FvJaj+EtYyDg6czRAHkBZoyz+sAUY7S a5w18k4NYJQfnj88pLco74DxGaJoT9ZfTmQOFrqDVQVAn36FsovkUBUIKnnxVgwo ANzguaegf+B+GwRel1WWAvqqmCkehwOrkjbo8lY05opzx993+zyWPC0ItWEmEsCy sTmWY0Hqitj+ZSkjHxfzQbVMDj4G77t4kL+Gl+Lfl9aPf1CrWrN8DERneERZUPUa 6NE2phyyll4cL9LJXOoynSpk/X/n7npf/ZRCz021XufAn5gNmvqA4sTIHempBJeP 0NVFmdTsPUriZa1cRzs7aPn1dCV6OlLp/M6adyyL+chAqZTCkoFiVFUpVY7NYAHC Zfm8nxaDLAi1hcSxNvME =rVCv -----END PGP SIGNATURE----- --ncefJ31MsxRgxs7D4FUpbuCAAmhD2aQfu--