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SubjectRe: [PATCH RFC 00/10] ARM: STi: Add dwmac glue and reset controller
On 11/12/2013 2:51 PM, srinivas.kandagatla@st.com wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@st.com>
>
> Hi All,
>
> This patch series adds Ethernet support to STi series SOCs STiH415 and STiH416.
> STi SOC series integrates dwmac IP from synopsis, however there is a hardware
> glue on top of this standard IP, this glue needs to configured before the
> actual dwmac can be used.
> To add this a new driver dwmac-sti is introduced whose responsibility is to
> configure dwmac glue and before dwmac driver, this is achieved by making dwmac
> device node as child to ethernet glue node. Inspired by usb/dwc3.
> Also the glue needs to come out of softreset which is why we have added a
> softreset controller to driver which looked perfectly neat, rather then
> driving the softreset bit from the glue driver.
>
> Also as part of power management in glue driver, I found that there was no
> function to determine if the child device is a wakeup source or not.
> I have added a new api device_child_may_wakeup API which could be useful for
> drivers like this. "PM / wakeup : Introduce device_child_may_wakeup" patch has
> that new API and "net: stmmac:sti: Add STi SOC glue driver." glue driver uses
> this new API.
>
> The reason for combining all these patches in a same series is because of
> dependencies.
>
> This patch series is tested on B2000 and B2020 boards with STiH415, STiH416
> SOC on ethernet 100/1000 Links.
>
> Comments?

Hello Srini
ll these patches are ok for me and, as you know, I have already started
using them while porting other SoC. Glue logic is mandatory now!

Thanks
peppe

>
> Thanks,
> srini
>
> Srinivas Kandagatla (6):
> drivers: reset: stih415: add softreset controller
> drivers: reset: stih416: add softreset controller
> PM / wakeup : Introduce device_child_may_wakeup
> net: stmmac:sti: Add STi SOC glue driver.
> ARM: STi: Add STiH415 ethernet support.
> ARM: STi: Add STiH416 ethernet support.
>
> Stephen Gallimore (4):
> drivers: reset: STi SoC system configuration reset controller support
> drivers: reset: Reset controller driver for STiH415
> drivers: reset: Reset controller driver for STiH416
> ARM: STi: Add reset controller support to mach-sti Kconfig
>
> .../devicetree/bindings/net/sti-dwmac.txt | 45 +++
> .../devicetree/bindings/reset/st,sti-powerdown.txt | 46 +++
> .../devicetree/bindings/reset/st,sti-softreset.txt | 45 +++
> arch/arm/boot/dts/stih415-clock.dtsi | 14 +
> arch/arm/boot/dts/stih415-pinctrl.dtsi | 82 ++++++
> arch/arm/boot/dts/stih415.dtsi | 67 +++++
> arch/arm/boot/dts/stih416-clock.dtsi | 14 +
> arch/arm/boot/dts/stih416-pinctrl.dtsi | 106 +++++++
> arch/arm/boot/dts/stih416.dtsi | 69 +++++
> arch/arm/boot/dts/stih41x-b2000.dtsi | 32 +++
> arch/arm/boot/dts/stih41x-b2020.dtsi | 33 +++
> arch/arm/mach-sti/Kconfig | 3 +
> drivers/base/power/wakeup.c | 23 ++
> drivers/net/ethernet/stmicro/stmmac/Makefile | 1 +
> drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c | 294 ++++++++++++++++++++
> drivers/reset/Kconfig | 2 +
> drivers/reset/Makefile | 3 +
> drivers/reset/sti/Kconfig | 15 +
> drivers/reset/sti/Makefile | 4 +
> drivers/reset/sti/reset-stih415.c | 99 +++++++
> drivers/reset/sti/reset-stih416.c | 101 +++++++
> drivers/reset/sti/reset-syscfg.c | 186 ++++++++++++
> drivers/reset/sti/reset-syscfg.h | 69 +++++
> .../dt-bindings/reset-controller/stih415-resets.h | 23 ++
> .../dt-bindings/reset-controller/stih416-resets.h | 25 ++
> include/linux/pm_wakeup.h | 1 +
> 26 files changed, 1402 insertions(+), 0 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/net/sti-dwmac.txt
> create mode 100644 Documentation/devicetree/bindings/reset/st,sti-powerdown.txt
> create mode 100644 Documentation/devicetree/bindings/reset/st,sti-softreset.txt
> create mode 100644 drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c
> create mode 100644 drivers/reset/sti/Kconfig
> create mode 100644 drivers/reset/sti/Makefile
> create mode 100644 drivers/reset/sti/reset-stih415.c
> create mode 100644 drivers/reset/sti/reset-stih416.c
> create mode 100644 drivers/reset/sti/reset-syscfg.c
> create mode 100644 drivers/reset/sti/reset-syscfg.h
> create mode 100644 include/dt-bindings/reset-controller/stih415-resets.h
> create mode 100644 include/dt-bindings/reset-controller/stih416-resets.h
>



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