linux-kernel - [RFC PATCH 00/15] Add SATA support for TI OMAP5 and DRA7 SoCs

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Date:	Thu, 19 Sep 2013 16:05:28 +0300
From:	Roger Quadros <rogerq@...com>
To:	<balbi@...com>, <bcousson@...libre.com>, <tony@...mide.com>
CC:	<balajitk@...com>, <kishon@...com>, <linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-ide@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<devicetree@...r.kernel.org>, Roger Quadros <rogerq@...com>
Subject: [RFC PATCH 00/15] Add SATA support for TI OMAP5 and DRA7 SoCs

Hi,

This series adds SATA controller support for the Texas Instruments
OMAP5 and DRA7 platforms.

As the SATA controller is compatible with AHCI, we use the ahci_platform
driver and just provide the glue logic.

The AHCI controller is enclosed within a TI specific Wrapper that controls
the controller power mode. Patch 9 adds a driver for this wrapper.

The controller is linked to a SATA (PIPE3) PHY, which needs to be clocked
and powered up before it can be used. We do that with the help of the
generic PHY framework [2] in Patch 8.

Patches 1 to 7 adapt the the PHY driver to the Generic PHY framework.

Patches 9 to 15 provide platform adaptation code for OMAP5 and DRA7.

Patches are based on v3.12-rc1 with the following patches on top
[1] - omap control usb multiple instance support
      http://article.gmane.org/gmane.linux.ports.arm.kernel/267587
      git://github.com/rogerq/linux.git usb-control-module

[2] - Generic PHY framework
      git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy.git testing

[3] - Clock DT support
      git://gitorious.org/~kristo/omap-pm/omap-pm-work.git mainline-3.11-rc3-omap-dt-clks-v5

[4] - PHY framework mis cleanup
      https://lkml.org/lkml/2013/9/2/313

NOTE: [2], [3] and [4] will cause merge conflicts and need to be resolved manually.
A merged tree is available for reference/testing at

git://github.com/rogerq/linux.git ti-3.12-sata

Tested on omap5-uevm and dra7-evm with Gen2 SATA hard drive.

Known issues:
- Gen3 SATA SSD does not work due to some issue with PHY speed negotiation.

cheers,
-roger

---
Balaji T K (3):
  ata: ahci_platform: Manage SATA PHY
  arm: dts: omap5: add sata node
  arm: dts: dra7: add sata node

Benoit Cousson (1):
  arm: omap5: hwmod: add missing ocp2scp hwmod data

Keshava Munegowda (1):
  ARM: omap5: hwmod: Add ocp2scp3 and sata hwmods

Kishon Vijay Abraham I (2):
  phy: rename struct omap_control_usb to struct omap_control_phy
  phy: omap-pipe3: use generic clock names

Nikhil Devshatwar (1):
  ARM: DRA7: hwmod: Add ocp2scp3 and sata hwmods

Roger Quadros (7):
  phy: omap-control: Update DT binding information
  ARM: dts: omap5: Add clocks to usb3_phy node
  phy: omap-pipe3: Add SATA DPLL support
  phy: omap-pipe3: update compatibility string and DT binding
  ARM: dts: omap5: Update usb3phy node
  ata: ti_sata: Add Texas Instruments SATA Wrapper driver
  ARM: dts: omap5: add ocp2scp1 address resource

 .../devicetree/bindings/ata/ahci-platform.txt      |    2 +-
 Documentation/devicetree/bindings/ata/ti-sata.txt  |   31 ++
 Documentation/devicetree/bindings/phy/omap-phy.txt |   26 ++-
 Documentation/devicetree/bindings/usb/omap-usb.txt |   23 --
 arch/arm/boot/dts/dra7.dtsi                        |   49 ++++
 arch/arm/boot/dts/omap5.dtsi                       |   56 ++++-
 arch/arm/mach-omap2/omap_hwmod_54xx_data.c         |  117 ++++++++
 arch/arm/mach-omap2/omap_hwmod_7xx_data.c          |   40 +++-
 drivers/ata/Kconfig                                |    8 +
 drivers/ata/Makefile                               |    1 +
 drivers/ata/ahci.h                                 |    2 +
 drivers/ata/ahci_platform.c                        |   31 ++-
 drivers/ata/sata_ti.c                              |  160 +++++++++++
 drivers/phy/Kconfig                                |   14 +-
 drivers/phy/Makefile                               |    1 +
 drivers/phy/phy-omap-control.c                     |  300 ++++++++++++++++++++
 drivers/phy/phy-omap-pipe3.c                       |  157 ++++++-----
 drivers/phy/phy-omap-usb2.c                        |    9 +-
 drivers/usb/musb/omap2430.c                        |    2 +-
 drivers/usb/phy/Kconfig                            |   10 -
 drivers/usb/phy/Makefile                           |    1 -
 drivers/usb/phy/phy-omap-control.c                 |  300 --------------------
 include/linux/phy/omap_control_phy.h               |   83 ++++++
 include/linux/phy/omap_pipe3.h                     |    6 +
 include/linux/usb/omap_control_usb.h               |   83 ------
 25 files changed, 1013 insertions(+), 499 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/ata/ti-sata.txt
 create mode 100644 drivers/ata/sata_ti.c
 create mode 100644 drivers/phy/phy-omap-control.c
 delete mode 100644 drivers/usb/phy/phy-omap-control.c
 create mode 100644 include/linux/phy/omap_control_phy.h
 delete mode 100644 include/linux/usb/omap_control_usb.h

-- 
1.7.4.1

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