From mboxrd@z Thu Jan 1 00:00:00 1970 From: shawnguo@kernel.org (Shawn Guo) Date: Mon, 29 Jun 2015 20:12:36 +0800 Subject: [PATCH] ARM: dts: ventana: add UHS-I support for Ventana boards In-Reply-To: <1433446346-7382-1-git-send-email-tharvey@gateworks.com> References: <1433446346-7382-1-git-send-email-tharvey@gateworks.com> Message-ID: <20150629121236.GN10332@tiger> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Jun 04, 2015 at 12:32:26PM -0700, Tim Harvey wrote: > UHS-I support is available on Ventana boards with micro-SD sockets depending > on the board revision. To support this pinctl states for 100Mhz and 200MHz > must be added as well as pinmux of the VSELECT signal. In order to support > UHS-I the I/O rail of the 4-bit data bus must be switchable between 1.8V > and 3.3V. > > By adding the no-1-8-v property, which disables UHS-I support, we allow the > bootloader to be in charge of selecting which boards have this capability > by removing that property if the board model/revision implement the support. > > Additionally we will remove NANDF_CS1 here from the nand pinmux group as the > second chip-select is not used on any ventana boards and this is the pad > that is used for SD3_VELECT. > > Signed-off-by: Tim Harvey Applied, thanks.