Adding a phy driver for USB 3.0 PHY controller present on Exynos5
series of SoCs alongwith DWC3 controller for USB 3.0 operations.
This driver is inline with Kamil's USB 2.0 phy driver. [1]
Few functions used to translate ref clock rate are common to
Kamil's changes. So we can figure out how to re-use them across
these drivers.
Theses patches are based on usb-next branch and tested with
Kishon's patches for adapting DWC3 to generic phy framework, [2]
on smdk5250 as well as smdk5420 board.
[1] [PATCH 0/5] phy: Add new Exynos USB PHY driver
https://lkml.org/lkml/2013/10/25/230
[2] [PATCH v2 1/7] usb: dwc3: get "usb_phy" only if the platform indicates the presence of PHY's
(http://www.spinics.net/lists/linux-usb/msg95733.html)
[PATCH v2 2/7] usb: dwc3: adapt dwc3 core to use Generic PHY Framework
(http://www.spinics.net/lists/linux-usb/msg95734.html)
Vivek Gautam (4):
phy: Add new Exynos5 USB 3.0 PHY driver
dt: exynos5250: Enable support for generic USB 3.0 phy
dt: exynos5420: Enable support for USB 3.0 PHY controller
dt: exynos5420: Enable support for DWC3 controller
.../devicetree/bindings/phy/samsung-phy.txt | 20 +
arch/arm/boot/dts/exynos5250.dtsi | 17 +-
arch/arm/boot/dts/exynos5420.dtsi | 50 ++
drivers/phy/Kconfig | 7 +
drivers/phy/Makefile | 1 +
drivers/phy/phy-exynos5-usb3.c | 562 ++++++++++++++++++++
6 files changed, 646 insertions(+), 11 deletions(-)
create mode 100644 drivers/phy/phy-exynos5-usb3.c
--
1.7.6.5
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