Re: [PATCH v3 0/5] Mediatek xHCI support

chunfeng yun
2015-07-23T01:18:44Z

Sorry, add a title

On Wed, 2015-07-22 at 22:05 +0800, Chunfeng Yun wrote:
> From ac1e8724bfa47494223bad0af450c1a63cd2fe0c Mon Sep 17 00:00:00 2001
> From: Chunfeng Yun <chunfeng.yun@mediatek.com>
> Date: Wed, 22 Jul 2015 21:15:15 +0800
> Subject: [PATCH 0/5] *** SUBJECT HERE ***
>
> The patch supports MediaTek's xHCI controller.
>
> There are some differences from xHCI spec:
> 1. The interval is specified in 250 * 8ns increments for Interrupt Moderation
> Interval(IMODI) of the Interrupter Moderation(IMOD) register, it is 8 times as
> much as that defined in xHCI spec.
>
> 2. For the value of TD Size in Normal TRB, MTK's xHCI controller defines a
> number of packets that remain to be transferred for a TD after processing all
> Max packets in all previous TRBs,that means don't include the current TRB's,
> but in xHCI spec it includes the current ones.
>
> 3. To minimize the scheduling effort for synchronous endpoints in xHC, the MTK
> architecture defines some extra SW scheduling parameters for HW. According to
> these parameters provided by SW, the xHC can easily decide whether a
> synchronous endpoint should be scheduled in a specific uFrame. The extra SW
> scheduling parameters are put into reserved DWs in Slot and Endpoint Context.
> And a bandwidth scheduler algorithm is added to support such feature.
>
> A usb3.0 phy driver is also added which used by mt65xx SoCs platform, it
> supports two usb2.0 ports and one usb3.0 port.
>
> Change in v3:
> 1. implement generic phy
> 2. move opperations for IPPC and wakeup from phy driver to xHCI driver
> 3. seperate quirk functions into a single C file to fix up dependence issue
>
> Chunfeng Yun (5):
> dt-bindings: Add usb3.0 phy binding for MT65xx SoCs
> dt-bindings: Add a binding for Mediatek xHCI host controller
> usb: phy: add usb3.0 phy driver for mt65xx SoCs
> xhci: mediatek: support MTK xHCI host controller
> arm64: dts: mediatek: add xHCI & usb phy for mt8173
>
> .../devicetree/bindings/phy/phy-mt65xx-u3.txt | 21 +
> .../devicetree/bindings/usb/mt8173-xhci.txt | 50 ++
> arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 15 +
> arch/arm64/boot/dts/mediatek/mt8173.dtsi | 31 +
> drivers/phy/Kconfig | 9 +
> drivers/phy/Makefile | 1 +
> drivers/phy/phy-mt65xx-usb3.c | 426 +++++++++++
> drivers/usb/host/Kconfig | 9 +
> drivers/usb/host/Makefile | 4 +
> drivers/usb/host/xhci-mtk-sch.c | 436 +++++++++++
> drivers/usb/host/xhci-mtk.c | 836 +++++++++++++++++++++
> drivers/usb/host/xhci-mtk.h | 135 ++++
> drivers/usb/host/xhci-ring.c | 35 +-
> drivers/usb/host/xhci.c | 19 +-
> drivers/usb/host/xhci.h | 1 +
> 15 files changed, 2021 insertions(+), 7 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/phy/phy-mt65xx-u3.txt
> create mode 100644 Documentation/devicetree/bindings/usb/mt8173-xhci.txt
> create mode 100644 drivers/phy/phy-mt65xx-usb3.c
> create mode 100644 drivers/usb/host/xhci-mtk-sch.c
> create mode 100644 drivers/usb/host/xhci-mtk.c
> create mode 100644 drivers/usb/host/xhci-mtk.h
>
> --
> 1.8.1.1.dirty
>
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