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Date: Mon, 03 Jun 2013 11:22:35 +0200 From: Arnd Bergmann <arnd@...db.de> To: Heiko Stübner <heiko@...ech.de> Cc: "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, John Stultz <john.stultz@...aro.org>, Thomas Gleixner <tglx@...utronix.de>, Mike Turquette <mturquette@...aro.org>, Seungwon Jeon <tgih.jun@...sung.com>, Jaehoon Chung <jh80.chung@...sung.com>, Chris Ball <cjb@...top.org>, linux-mmc@...r.kernel.org, Grant Likely <grant.likely@...aro.org>, Rob Herring <rob.herring@...xeda.com>, Linus Walleij <linus.walleij@...aro.org>, devicetree-discuss@...ts.ozlabs.org, Russell King <linux@....linux.org.uk>, Olof Johansson <olof@...om.net> Subject: Re: [PATCH 10/10] arm: add basic support for Rockchip RK3066a boards On Monday 03 June 2013 10:23:49 Heiko Stübner wrote: > Am Montag, 3. Juni 2013, 04:15:46 schrieb Arnd Bergmann: > > > > Can't you use > > > > of_clk_init(NULL); > > clocksource_of_init(); > > > > here and change the two drivers to provide the respective macros? > > hmm, while this would make a lot of things easier I don't see right now how > this would work. > > The dw_apb_timer clocksource does not have its own device node, but instead > uses two timer devices as clocksource and clockevent. > > Hmm ... one idea would be to wrap them in the dt, like > > clocksource { > compatible = "snps,dw-apb-clocksource" > > timer@...3a000 { > compatible = "snps,dw-apb-timer-osc"; > reg = <0x2003a000 0x100>; > interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>; > clocks = <&clk_gates1 1>, <&clk_gates7 8>; > clock-names = "timer", "pclk"; > }; > > timer@...0e000 { > compatible = "snps,dw-apb-timer-osc"; > reg = <0x2000e000 0x100>; > interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>; > clocks = <&clk_gates1 2>, <&clk_gates7 9>; > clock-names = "timer", "pclk"; > }; > }; Can't you just have multiple CLOCKSOURCE_OF_DECLARE() lines, one for each of the nodes? > > > +DT_MACHINE_START(ROCKCHIP_DT, "Rockchip Cortex-A9 (Device Tree)") > > > + .map_io = debug_ll_io_init, > > > + .init_machine = rockchip_dt_init, > > > + .init_time = rockchip_timer_init, > > > + .dt_compat = rockchip_board_dt_compat, > > > +MACHINE_END > > > > The map_io line can already get removed. > > Yesterday I did grep thru the linux-next I was using as base looking for the > debug_ll_io_init default I read about but was not able to find it ... most > likely my linux-next is a tad to old. Yes, it only showed up in today's linux-next. I thought it was older. Arnd -- 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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