linux-kernel - [PATCH v3 0/4] Add MediaTek MUSB Controller Driver

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Message-ID: <1547709348-17506-1-git-send-email-min.guo@mediatek.com>
Date:   Thu, 17 Jan 2019 15:15:44 +0800
From:   <min.guo@...iatek.com>
To:     Bin Liu <b-liu@...com>, Rob Herring <robh+dt@...nel.org>
CC:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Alan Stern <stern@...land.harvard.edu>,
        <chunfeng.yun@...iatek.com>, <linux-usb@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <tony@...mide.com>,
        <hdegoede@...hat.com>, Min Guo <min.guo@...iatek.com>
Subject: [PATCH v3 0/4] Add MediaTek MUSB Controller Driver

From: Min Guo <min.guo@...iatek.com>

These patches introduce the MediaTek MUSB controller driver.

The driver can be configured as Dual-Role Device (DRD),
Peripheral Only and Host Only modes. This has beed tested on
MT2701 with a variety of devices in host mode and with the 
f_mass gadget driver in peripheral mode, plugging otg cables
in/out a lot of times in all possible imaginable plug orders.

changes in v3:
changes of driver suggested by Bin:
1. Add a new patch for musb_readb/w/l() to remove const attribute 
2. Use is_out as function parameter in set_toggle/get_toggle() hooks
3. Remove 'u8/u16 data' parameter in clearb/w() hooks
4. Remove musb_default_clearb/w()
5. Replace musb_readb/w() with musb_clearb/w() to clear pending interrupts 
6. Add comments to clearb/w() hooks
7. Replace musb_save_toggle() with musb->io.get_toggle()
8. Replace musb_set_toggle() with musb->io.set_toggle()

changes in v2:
changes of dt-bindings suggested by Rob:
1. Modify DRC to DRD
2. Drop the "<soc-model>-musb" in compatible
3. Remove phy-names
4. Add space after comma in clock-names
dtsi:
1. Remove phy-names
changes of driver suggested by Bin:
1. Add a new patch for musb_set_toggle
2. Add summarize of MediaTek musb controller differences in the commit log
3. Abondon patch "usb: musb: Move musbhsdma macro definition to musb_dma.h"
4. Add "|| COMPILE_TEST" in Kconfig
5. Add musb_clearb() and musb_clearw() hooks
6. Add get_toggle() and set_toggle() hooks
7. Replace musb_readl() with musb_readw() to read 16bit toggle register
8. Move MediaTek's private toggle registers from musb_regs.h to mediatek.c
9. Create musbhs_dma_controller_create_noirq()

Min Guo (4):
  dt-bindings: usb: musb: Add support for MediaTek musb controller
  arm: dts: mt2701: Add usb2 device nodes
  usb: musb: Delete the const attribute of addr parameter in readb/w/l
    hooks
  usb: musb: Add support for MediaTek musb controller

 .../devicetree/bindings/usb/mediatek,musb.txt      |  43 ++
 arch/arm/boot/dts/mt2701-evb.dts                   |  21 +
 arch/arm/boot/dts/mt2701.dtsi                      |  33 ++
 drivers/usb/musb/Kconfig                           |   8 +-
 drivers/usb/musb/Makefile                          |   1 +
 drivers/usb/musb/mediatek.c                        | 624 +++++++++++++++++++++
 drivers/usb/musb/musb_core.c                       |  74 ++-
 drivers/usb/musb/musb_core.h                       |  13 +-
 drivers/usb/musb/musb_dma.h                        |   9 +
 drivers/usb/musb/musb_host.c                       |  46 +-
 drivers/usb/musb/musb_io.h                         |  12 +-
 drivers/usb/musb/musbhsdma.c                       |  57 +-
 drivers/usb/musb/sunxi.c                           |   4 +-
 drivers/usb/musb/tusb6010.c                        |   2 +-
 14 files changed, 876 insertions(+), 71 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/usb/mediatek,musb.txt
 create mode 100644 drivers/usb/musb/mediatek.c

-- 
1.9.1