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Message-ID: <51B1A673.8090206@atmel.com> Date: Fri, 7 Jun 2013 11:22:59 +0200 From: Nicolas Ferre <nicolas.ferre@...el.com> To: Boris BREZILLON <b.brezillon@...rkiz.com> CC: Mike Turquette <mturquette@...aro.org>, Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, <linux-serial@...r.kernel.org>, <linux-usb@...r.kernel.org>, <linux-fbdev@...r.kernel.org>, <devicetree-discuss@...ts.ozlabs.org>, <linux-doc@...r.kernel.org>, <linux-mmc@...r.kernel.org> Subject: Re: [RFC 00/50] ARM: at91: move to common clk framework On 07/06/2013 10:34, Boris BREZILLON : > Hello, > > This patch series is a proposal to move at91 clock implementation > to common clk framework. Before discussion begins I would like to give my kudos to you Boris! This is huge work and I thank you for it: It is so great! I am sure that Jean-Christophe will have his idea on that because he told me that he thought a little bit about that, but I am sure that we will come to a quick and seamlessly integration soon. (Hey, I know it is not technical email, but I am so exited to see this happen that the noise worth it! ;-)) > Most of the clock provided by the PMC (Power Management Controller) are > implemented : > - main clock (main oscillator) > - pll clocks > - master clock > - programmable clocks > - utmi clock > - peripheral clocks > - system clocks > > This implementation is compatible with device tree: the goal is > to define the whole clock tree in the device tree (all currently > available dt SoCs and boards are patched to support dt clocks). > Please feel free to comment the dt bindinds (I'm not sure about the > name I choose or the position of clock nodes: children of pmc node). > > I removed the register_clocks function in SoC supporting dt boards only: > - at91sam9x5 SoCs > - at91sam9n12 SoC > - sama5d3 SoCs > > This patch series also update at91 drivers calling clk_enable/disable > instead of the preferred clk_prepare_enable/disable_unprepare functions. > > > I know there are a lot of cleanup in progress for at91 arch, so please tell > me if you think this transition to common clk framework should wait. > > This patch series has been tested on Kizbox (sam9g20 SoC) board using device > tree. It compiles for other SoCs and both with and without dt support, but it > has not been tested. > > The clocks rate/parent change has not been tested. > > Best Regards, > Boris > > Boris BREZILLON (50): > ARM: at91: move arch/arm/mach-at91/include/mach/at91_pmc.h to > include/linux/clk/at91.h > ARM: at91: add PMC main clock using common clk framework. > ARM: at91: add PMC pll clocks support using common clk framework. > ARM: at91: add PMC master clock support using common clk framework. > ARM: at91: add PMC system clocks support using common clk framework. > ARM: at91: add PMC peripheral clocks support using common clk > framework. > ARM: at91: add PMC programmable clocks support using common clk > framework. > ARM: at91: add PMC utmi clock support using common clk framework. > ARM: at91: add PMC usb clock support using common clk framework. > ARM: at91: add PMC smd clock support using common clk framework. > ARM: at91: add PMC clk device tree binding doc. > ARM: at91: move to common clk framework. > ARM: at91: move at91rm9200 SoC to common clk framework. > ARM: at91: move at91sam9260 SoC to common clk framework. > ARM: at91: move at91sam9263 SoC to common clk framework. > ARM: at91: move at91sam9263 SoC to common clk framework. > ARM: at91: move at91sam9g45 SoC to common clk framework. > ARM: at91: move at91sam9n12 SoC to common clk framework. > ARM: at91: move at91sam9rl SoC to common clk framework. > ARM: at91: move at91sam9x5 SoCs to common clk framework. > ARM: at91: move at91sam9 SoCs to common clk framework. > ARM: at91: move sama5d3 SoCs to common clk framework. > ARM: at91: move at91rm9200 non dt boards to common clk framework. > ARM: at91: move at91sam9 non dt boards to common clk framework. > ARM: at91: move pit timer to common clk framework. > ARM: at91/tc/clocksource: replace clk_enable/disable with > clk_prepare_enable/disable_unprepare. > at_hdmac: replace clk_enable/disable with > clk_prepare_enable/disable_unprepare. > ASoC: atmel-ssc: replace clk_enable/disable with > clk_prepare_enable/disable_unprepare. > mmc: atmel-mci: replace clk_enable/disable with > clk_prepare_enable/disable_unprepare. > pwm: atmel-tcb: replace clk_enable/disable with > clk_prepare_enable/disable_unprepare. > tty: atmel_serial: replace clk_enable/disable with > clk_prepare_enable/disable_unprepare. > usb: gadget: at91_udc: replace clk_enable/disable with > clk_prepare_enable/disable_unprepare. > drivers/usb/host/ehci-atmel.c: replace clk_enable/disable with > clk_prepare_enable/disable_unprepare. > USB: ohci-at91: replace clk_enable/disable with > clk_prepare_enable/disable_unprepare. > ARM: at91/avr32/atmel_lcdfb: replace clk_enable/disable with > clk_prepare_enable/disable_unprepare. > ARM: at91/dt: move at91rm9200 SoC to clk framework. > ARM: at91/dt: move at91sam9260 SoC to common clk framework. > ARM: at91/dt: move at91sam9263 SoC to common clk framework. > ARM: at91/dt: move at91sam9g45 SoC to common clk framework. > ARM: at91/dt: move at91sam9n12 SoC to common clk framework. > ARM: at91/dt: move at91sam9x5 SoCs to common clk framework. > ARM: at91/dt: move at91sam9g20 SoC to common clk framework. > ARM: at91/dt: move sama5d3 SoCs to common clk framework. > ARM: at91/dt: move at91sam9260/sam9g20 boards to common clk > framework. > ARM: at91/dt: move at91rm9200 boards to common clk framework. > ARM: at91/dt: move at91sam9263 boards to common clk framework. > ARM: at91/dt: move at91sam9g45 boards to common clk framework. > ARM: at91/dt: move at91sam9n12 boards to common clk framework. > ARM: at91/dt: move at91sam9x5 boards to common clk framework. > ARM: at91/dt: move sama5d3 boards to common clk framework. > > .../devicetree/bindings/clock/at91-clock.txt | 247 +++++ > arch/arm/boot/dts/animeo_ip.dts | 17 +- > arch/arm/boot/dts/at91-ariag25.dts | 17 +- > arch/arm/boot/dts/at91rm9200.dtsi | 133 +++ > arch/arm/boot/dts/at91rm9200ek.dts | 17 +- > arch/arm/boot/dts/at91sam9260.dtsi | 144 ++- > arch/arm/boot/dts/at91sam9263.dtsi | 135 +++ > arch/arm/boot/dts/at91sam9263ek.dts | 17 +- > arch/arm/boot/dts/at91sam9g15.dtsi | 11 + > arch/arm/boot/dts/at91sam9g20.dtsi | 37 + > arch/arm/boot/dts/at91sam9g20ek_common.dtsi | 17 +- > arch/arm/boot/dts/at91sam9g25.dtsi | 3 + > arch/arm/boot/dts/at91sam9g35.dtsi | 23 + > arch/arm/boot/dts/at91sam9g45.dtsi | 157 ++++ > arch/arm/boot/dts/at91sam9m10g45ek.dts | 17 +- > arch/arm/boot/dts/at91sam9n12.dtsi | 153 ++++ > arch/arm/boot/dts/at91sam9n12ek.dts | 17 +- > arch/arm/boot/dts/at91sam9x25.dtsi | 25 +- > arch/arm/boot/dts/at91sam9x35.dtsi | 3 + > arch/arm/boot/dts/at91sam9x5.dtsi | 226 +++-- > arch/arm/boot/dts/at91sam9x5_can.dtsi | 24 + > arch/arm/boot/dts/at91sam9x5_isi.dtsi | 24 + > arch/arm/boot/dts/at91sam9x5_lcdc.dtsi | 32 + > arch/arm/boot/dts/at91sam9x5_macb0.dtsi | 68 ++ > arch/arm/boot/dts/at91sam9x5_macb1.dtsi | 56 ++ > arch/arm/boot/dts/at91sam9x5_usart3.dtsi | 60 ++ > arch/arm/boot/dts/ge863-pro3.dtsi | 16 +- > arch/arm/boot/dts/kizbox.dts | 5 + > arch/arm/boot/dts/mpa1600.dts | 16 +- > arch/arm/boot/dts/pm9g45.dts | 16 +- > arch/arm/boot/dts/sama5d3.dtsi | 358 ++++---- > arch/arm/boot/dts/sama5d31ek.dts | 4 + > arch/arm/boot/dts/sama5d33ek.dts | 2 + > arch/arm/boot/dts/sama5d34ek.dts | 4 + > arch/arm/boot/dts/sama5d35ek.dts | 6 + > arch/arm/boot/dts/sama5d3_can.dtsi | 67 ++ > arch/arm/boot/dts/sama5d3_emac.dtsi | 56 ++ > arch/arm/boot/dts/sama5d3_gmac.dtsi | 89 ++ > arch/arm/boot/dts/sama5d3_lcd.dtsi | 73 ++ > arch/arm/boot/dts/sama5d3_mci2.dtsi | 59 ++ > arch/arm/boot/dts/sama5d3_tcb1.dtsi | 39 + > arch/arm/boot/dts/sama5d3_uart.dtsi | 42 + > arch/arm/boot/dts/sama5d3xcm.dtsi | 17 +- > arch/arm/boot/dts/tny_a9260_common.dtsi | 17 +- > arch/arm/boot/dts/tny_a9263.dts | 17 +- > arch/arm/boot/dts/usb_a9260_common.dtsi | 17 +- > arch/arm/boot/dts/usb_a9263.dts | 17 +- > arch/arm/mach-at91/Kconfig | 26 + > arch/arm/mach-at91/Makefile | 2 +- > arch/arm/mach-at91/at91rm9200.c | 578 +++++++----- > arch/arm/mach-at91/at91sam9260.c | 694 +++++++++----- > arch/arm/mach-at91/at91sam9261.c | 581 ++++++++---- > arch/arm/mach-at91/at91sam9263.c | 599 +++++++----- > arch/arm/mach-at91/at91sam926x_time.c | 21 +- > arch/arm/mach-at91/at91sam9g45.c | 705 ++++++++------ > arch/arm/mach-at91/at91sam9g45_devices.c | 1 - > arch/arm/mach-at91/at91sam9n12.c | 196 +--- > arch/arm/mach-at91/at91sam9rl.c | 514 +++++++---- > arch/arm/mach-at91/at91sam9x5.c | 291 +----- > arch/arm/mach-at91/board-1arm.c | 12 +- > arch/arm/mach-at91/board-afeb-9260v1.c | 11 +- > arch/arm/mach-at91/board-cam60.c | 13 +- > arch/arm/mach-at91/board-carmeva.c | 13 +- > arch/arm/mach-at91/board-cpu9krea.c | 12 +- > arch/arm/mach-at91/board-cpuat91.c | 12 +- > arch/arm/mach-at91/board-csb337.c | 11 +- > arch/arm/mach-at91/board-csb637.c | 11 +- > arch/arm/mach-at91/board-dt-rm9200.c | 9 +- > arch/arm/mach-at91/board-dt-sam9.c | 9 +- > arch/arm/mach-at91/board-dt-sama5.c | 9 +- > arch/arm/mach-at91/board-eb9200.c | 11 +- > arch/arm/mach-at91/board-ecbat91.c | 12 +- > arch/arm/mach-at91/board-eco920.c | 13 +- > arch/arm/mach-at91/board-flexibity.c | 12 +- > arch/arm/mach-at91/board-foxg20.c | 12 +- > arch/arm/mach-at91/board-gsia18s.c | 8 +- > arch/arm/mach-at91/board-kafa.c | 12 +- > arch/arm/mach-at91/board-kb9202.c | 12 +- > arch/arm/mach-at91/board-pcontrol-g20.c | 9 +- > arch/arm/mach-at91/board-picotux200.c | 11 +- > arch/arm/mach-at91/board-qil-a9260.c | 11 +- > arch/arm/mach-at91/board-rm9200dk.c | 11 +- > arch/arm/mach-at91/board-rm9200ek.c | 11 +- > arch/arm/mach-at91/board-rsi-ews.c | 12 +- > arch/arm/mach-at91/board-sam9-l9260.c | 11 +- > arch/arm/mach-at91/board-sam9260ek.c | 11 +- > arch/arm/mach-at91/board-sam9261ek.c | 15 +- > arch/arm/mach-at91/board-sam9263ek.c | 11 +- > arch/arm/mach-at91/board-sam9g20ek.c | 15 +- > arch/arm/mach-at91/board-sam9m10g45ek.c | 11 +- > arch/arm/mach-at91/board-sam9rlek.c | 11 +- > arch/arm/mach-at91/board-snapper9260.c | 12 +- > arch/arm/mach-at91/board-stamp9g20.c | 15 +- > arch/arm/mach-at91/board-yl-9200.c | 12 +- > arch/arm/mach-at91/clock.c | 961 -------------------- > arch/arm/mach-at91/clock.h | 49 - > arch/arm/mach-at91/generic.h | 10 +- > arch/arm/mach-at91/pm.c | 2 +- > arch/arm/mach-at91/pm_slowclock.S | 2 +- > arch/arm/mach-at91/pmc.c | 58 ++ > arch/arm/mach-at91/sama5d3.c | 344 +------ > arch/arm/mach-at91/setup.c | 38 +- > arch/arm/mach-at91/stamp9g20.h | 2 +- > drivers/clk/Makefile | 1 + > drivers/clk/at91/Makefile | 11 + > drivers/clk/at91/clk-main.c | 106 +++ > drivers/clk/at91/clk-master.c | 317 +++++++ > drivers/clk/at91/clk-peripheral.c | 376 ++++++++ > drivers/clk/at91/clk-pll.c | 438 +++++++++ > drivers/clk/at91/clk-plldiv.c | 125 +++ > drivers/clk/at91/clk-programmable.c | 370 ++++++++ > drivers/clk/at91/clk-smd.c | 157 ++++ > drivers/clk/at91/clk-system.c | 189 ++++ > drivers/clk/at91/clk-usb.c | 303 ++++++ > drivers/clk/at91/clk-utmi.c | 114 +++ > drivers/clocksource/tcb_clksrc.c | 10 +- > drivers/dma/at_hdmac.c | 12 +- > drivers/misc/atmel-ssc.c | 8 +- > drivers/mmc/host/atmel-mci.c | 16 +- > drivers/pwm/pwm-atmel-tcb.c | 4 +- > drivers/tty/serial/atmel_serial.c | 35 +- > drivers/usb/gadget/at91_udc.c | 12 +- > drivers/usb/gadget/atmel_usba_udc.c | 2 +- > drivers/usb/host/ehci-atmel.c | 8 +- > drivers/usb/host/ohci-at91.c | 12 +- > drivers/video/atmel_lcdfb.c | 8 +- > .../mach/at91_pmc.h => include/linux/clk/at91.h | 122 ++- > 127 files changed, 7588 insertions(+), 3862 deletions(-) > create mode 100644 Documentation/devicetree/bindings/clock/at91-clock.txt > create mode 100644 arch/arm/boot/dts/at91sam9x5_can.dtsi > create mode 100644 arch/arm/boot/dts/at91sam9x5_isi.dtsi > create mode 100644 arch/arm/boot/dts/at91sam9x5_lcdc.dtsi > create mode 100644 arch/arm/boot/dts/at91sam9x5_macb0.dtsi > create mode 100644 arch/arm/boot/dts/at91sam9x5_macb1.dtsi > create mode 100644 arch/arm/boot/dts/at91sam9x5_usart3.dtsi > create mode 100644 arch/arm/boot/dts/sama5d3_can.dtsi > create mode 100644 arch/arm/boot/dts/sama5d3_emac.dtsi > create mode 100644 arch/arm/boot/dts/sama5d3_gmac.dtsi > create mode 100644 arch/arm/boot/dts/sama5d3_lcd.dtsi > create mode 100644 arch/arm/boot/dts/sama5d3_mci2.dtsi > create mode 100644 arch/arm/boot/dts/sama5d3_tcb1.dtsi > create mode 100644 arch/arm/boot/dts/sama5d3_uart.dtsi > delete mode 100644 arch/arm/mach-at91/clock.c > delete mode 100644 arch/arm/mach-at91/clock.h > create mode 100644 arch/arm/mach-at91/pmc.c > create mode 100644 drivers/clk/at91/Makefile > create mode 100644 drivers/clk/at91/clk-main.c > create mode 100644 drivers/clk/at91/clk-master.c > create mode 100644 drivers/clk/at91/clk-peripheral.c > create mode 100644 drivers/clk/at91/clk-pll.c > create mode 100644 drivers/clk/at91/clk-plldiv.c > create mode 100644 drivers/clk/at91/clk-programmable.c > create mode 100644 drivers/clk/at91/clk-smd.c > create mode 100644 drivers/clk/at91/clk-system.c > create mode 100644 drivers/clk/at91/clk-usb.c > create mode 100644 drivers/clk/at91/clk-utmi.c > rename arch/arm/mach-at91/include/mach/at91_pmc.h => include/linux/clk/at91.h (76%) > -- Nicolas Ferre -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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