[PATCH V5 0/4] Add Broadcom STB USB phy driver
Florian Fainelli
f.fainelli at gmail.com
Fri Sep 1 19:16:26 PDT 2017
On 08/25/2017 10:51 AM, Al Cooper wrote:
> Add a new USB Phy driver for Broadcom STB SoCs. This driver
> supports Broadcom STB ARM SoCs. This driver in
> combination with the Broadcom STB ohci, ehci and xhci
> drivers will enable USB1.1, USB2.0 and USB3.0 support.
> This Phy driver also supports the Broadcom BDC gadget
> driver.
Thanks Al! Kishon, feel free to merge everything through your tree there
should not be any conflicts with drivers/soc/bcm/brcmstb/common.c and
include/linux/soc/brcmstb/brcmstb.h.
>
> Changes since v4:
> - MIPS support was dropped, so remove MIPS specific code
> in the brcmusb_readl/brcmusb_writel routines.
> - Use readl/writel instead of readl_relaxed/writel_relaxed.
> - Remove double blank lines between some functions.
> - Remove support for obselete phy phandle argument.
>
> Changes since v3:
> - Removed MIPS support because there is such a small
> amount of code that is common to both ARM and MIPS.
> I'll create a separate MIPS driver in the future.
> - Have the Kconfig selection for this driver also select
> "CONFIG_SOC_BRCMSTB" which contains needed functions.
> - Change device tree properties to use "brcm,has_xhci" and
> "brcm,has_eohci" to determine if the phy contains
> a xhci phy, and e/ohci phy or both.
> - Change the phy xlate routine to return an error instead
> of NULL for a requested phy that doesn't exist.
> - Moved some probe functionality into it's own funtion to
> simplify the many "if (has_xhci)" statements.
>
> Changes since v2:
> - Fix kbuild errors by changing Kconfig so the driver
> only builds for ARCH_BRCMSTB || BMIPS_GENERIC systems
>
> Changes since v1:
> - Rebased to next
> - Add Kconfig entry to build the driver
> - Commented all delays
> - Split out sysfs functionality in separate patch
> - Removed parsing of old obselete device tree properties
> - Changed device property "device" to "dr_mode" using
> standard values "host" and "peripheral" along with new
> values "drd" and "typec-pd"
> - Add ability to handle the standard PHY_TYPE_USB2 and
> PHY_TYPE_USB3 arguments passed in by phy consumers.
> - Moved phy_provider_register() to end of probe routine
>
> Al Cooper (4):
> soc: brcmstb: Add Product ID and Family ID helper functions
> dt-bindings: Add Broadcom STB USB PHY binding document
> phy: usb: phy-brcm-usb: Add Broadcom STB USB phy driver
> phy: usb: phy-brcm-usb: Add ability to force DRD mode to host or
> device
>
> .../bindings/phy/brcm,brcmstb-usb-phy.txt | 43 +
> MAINTAINERS | 7 +
> drivers/phy/broadcom/Kconfig | 13 +
> drivers/phy/broadcom/Makefile | 3 +
> drivers/phy/broadcom/phy-brcm-usb-init.c | 1007 ++++++++++++++++++++
> drivers/phy/broadcom/phy-brcm-usb-init.h | 50 +
> drivers/phy/broadcom/phy-brcm-usb.c | 458 +++++++++
> drivers/soc/bcm/brcmstb/common.c | 12 +
> include/linux/soc/brcmstb/brcmstb.h | 10 +
> 9 files changed, 1603 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/phy/brcm,brcmstb-usb-phy.txt
> create mode 100644 drivers/phy/broadcom/phy-brcm-usb-init.c
> create mode 100644 drivers/phy/broadcom/phy-brcm-usb-init.h
> create mode 100644 drivers/phy/broadcom/phy-brcm-usb.c
>
--
Florian
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