PCI: keystone: Add TI Keystone PCIe driver
authorMurali Karicheri <m-karicheri2@ti.com>
Tue, 2 Sep 2014 23:26:19 +0000 (17:26 -0600)
committerBjorn Helgaas <bhelgaas@google.com>
Thu, 4 Sep 2014 20:58:21 +0000 (14:58 -0600)
commit0c4ffcfe1fbc1ef564ec137eab21137cb013b00e
tree7fd579110fe115867f30078da7d76d4694e70e41
parentb14a3d1784a9252aa3bbe0bb9d14588be32f18a1
PCI: keystone: Add TI Keystone PCIe driver

The Keystone PCIe controller is based on v3.65 version of the Designware
h/w.  Main differences are:

    1. No ATU support
    2. Legacy and MSI IRQ functions are implemented in application register
       space
    3. MSI interrupts are multiplexed over 8 IRQ lines to the Host side.

All of the application register space handing code is organized into
pci-keystone-dw.c and the functions are called from pci-keystone.c to
implement PCI controller driver.  Also add necessary DT documentation and
update the MAINTAINERS file for the driver.

[bhelgaas: spelling and whitespace fixes]
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
CC: Russell King <linux@arm.linux.org.uk>
CC: Grant Likely <grant.likely@linaro.org>
CC: Rob Herring <robh+dt@kernel.org>
CC: Mohit Kumar <mohit.kumar@st.com>
CC: Pratyush Anand <pratyush.anand@st.com>
CC: Jingoo Han <jg1.han@samsung.com>
CC: Richard Zhu <r65037@freescale.com>
CC: Kishon Vijay Abraham I <kishon@ti.com>
CC: Marek Vasut <marex@denx.de>
CC: Arnd Bergmann <arnd@arndb.de>
CC: Pawel Moll <pawel.moll@arm.com>
CC: Mark Rutland <mark.rutland@arm.com>
CC: Ian Campbell <ijc+devicetree@hellion.org.uk>
CC: Kumar Gala <galak@codeaurora.org>
CC: Randy Dunlap <rdunlap@infradead.org>
CC: Grant Likely <grant.likely@linaro.org>
Documentation/devicetree/bindings/pci/pci-keystone.txt [new file with mode: 0644]
MAINTAINERS
drivers/pci/host/Kconfig
drivers/pci/host/Makefile
drivers/pci/host/pci-keystone-dw.c [new file with mode: 0644]
drivers/pci/host/pci-keystone.c [new file with mode: 0644]
drivers/pci/host/pci-keystone.h [new file with mode: 0644]