From: Ranjit Waghmode <ranjit.waghmode@xilinx.com>
To: <broonie@kernel.org>, <michal.simek@xilinx.com>,
<soren.brinkmann@xilinx.com>, <dwmw2@infradead.org>,
<computersforpeace@gmail.com>, <zajec5@gmail.com>,
<marex@denx.de>, <shijie.huang@intel.com>, <juhosg@openwrt.org>,
<ben@decadent.org.uk>
Cc: <linux-mtd@lists.infradead.org>, <linux-spi@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <harinik@xilinx.com>,
<punnaia@xilinx.com>, <ran27jit@gmail.com>,
Ranjit Waghmode <ranjit.waghmode@xilinx.com>
Subject: [RFC PATCH 2/2] spi: zynqmp: gqspi: add support for stacked mode configuration
Date: Thu, 9 Jul 2015 18:14:55 +0530 [thread overview]
Message-ID: <1436445895-25504-3-git-send-email-ranjit.waghmode@xilinx.com> (raw)
In-Reply-To: <1436445895-25504-1-git-send-email-ranjit.waghmode@xilinx.com>
This patch adds support of stacked mode configuration for
Zynq Ultrascale+ MPSoC GQSPI controller driver.
Signed-off-by: Ranjit Waghmode <ranjit.waghmode@xilinx.com>
---
drivers/spi/spi-zynqmp-gqspi.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c
index 271fa80..6c9f7d9 100644
--- a/drivers/spi/spi-zynqmp-gqspi.c
+++ b/drivers/spi/spi-zynqmp-gqspi.c
@@ -410,6 +410,10 @@ static void zynqmp_qspi_chipselect(struct spi_device *qspi, bool is_high)
zynqmp_gqspi_selectslave(xqspi,
GQSPI_SELECT_FLASH_CS_BOTH,
GQSPI_SELECT_FLASH_BUS_BOTH);
+ } else if (qspi->master->flags & SPI_MASTER_U_PAGE) {
+ zynqmp_gqspi_selectflash(xqspi,
+ GQSPI_SELECT_FLASH_CS_UPPER,
+ GQSPI_SELECT_FLASH_BUS_LOWER);
} else {
zynqmp_gqspi_selectslave(xqspi,
GQSPI_SELECT_FLASH_CS_LOWER,
--
2.1.2
next prev parent reply other threads:[~2015-07-09 12:44 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-09 12:44 [RFC PATCH 0/2] spi: add dual parallel & stacked mode support in Zynq MPSoC GQSPI controller Ranjit Waghmode
2015-07-09 12:44 ` [RFC PATCH 1/2] spi: zynqmp: gqspi: add support for dual parallel mode configuration Ranjit Waghmode
2015-07-14 16:26 ` Mark Brown
2015-07-09 12:44 ` Ranjit Waghmode [this message]
2015-07-14 16:28 ` [RFC PATCH 2/2] spi: zynqmp: gqspi: add support for stacked " Mark Brown
2015-07-10 8:28 ` [RFC PATCH 0/2] spi: add dual parallel & stacked mode support in Zynq MPSoC GQSPI controller Mike Looijmans
2015-07-13 14:59 ` Mark Brown
2015-07-13 10:04 ` Thomas.Betker
2015-07-14 4:24 ` Harini Katakam
2015-07-14 16:40 ` Mark Brown
2015-07-15 14:12 ` Ranjit Abhimanyu Waghmode
2015-07-15 16:01 ` Mark Brown
2015-07-16 7:27 ` Ranjit Abhimanyu Waghmode
2015-07-16 8:57 ` Mark Brown
2015-07-17 12:03 ` Ranjit Abhimanyu Waghmode
2015-07-24 10:42 ` Ranjit Abhimanyu Waghmode
2015-07-24 10:52 ` Mark Brown
2015-07-27 13:55 ` Ranjit Abhimanyu Waghmode
2015-07-27 14:23 ` Mark Brown
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1436445895-25504-3-git-send-email-ranjit.waghmode@xilinx.com \
--to=ranjit.waghmode@xilinx.com \
--cc=ben@decadent.org.uk \
--cc=broonie@kernel.org \
--cc=computersforpeace@gmail.com \
--cc=dwmw2@infradead.org \
--cc=harinik@xilinx.com \
--cc=juhosg@openwrt.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mtd@lists.infradead.org \
--cc=linux-spi@vger.kernel.org \
--cc=marex@denx.de \
--cc=michal.simek@xilinx.com \
--cc=punnaia@xilinx.com \
--cc=ran27jit@gmail.com \
--cc=shijie.huang@intel.com \
--cc=soren.brinkmann@xilinx.com \
--cc=zajec5@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox