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Message-ID: <52D56BB2.1050301@atmel.com> Date: Tue, 14 Jan 2014 17:54:10 +0100 From: Nicolas Ferre <nicolas.ferre@...el.com> To: Jean-Jacques Hiblot <jjhiblot@...phandler.com> CC: <b.brezillon@...rkiz.com>, <arnd@...db.de>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH v2 00/12] Device Tree support for the at91sam9261ek On 09/01/2014 13:31, Jean-Jacques Hiblot : > This patch set aims at bringing a basic device tree support for the sam9261. > It's mostly based on the sam9263 stuff. Nice! Thanks a lot for stepping up. One general comment though: I would like to have new AT91 SoC described in DT integrating mainline with Common Clock Framework implemented. I feel that it would make sense to directly convert sam9261 to CCF to avoid the pain of an intermediary DT description that would last only for a couple of kernel revisions. > It introduces a new driver for the smc/ebi bus. It's used to configure the EBI > from the DT. I haven't documented its DT bindings yet. Timings can be provided > as raw values or nanoseconds. Thanks a lot for taking this SMC-as-a-driver task: it is very cool to have it! I will try to review your patches in the coming days... But Boris already did a good job at this ;-) > Change since V1: > * changed the DT representation to use address translation and separate the > timings' configuration from the device properties by adding a "simple-bus" > inetrmediate node. > * moved the smc driver from drivers/bus to drivers/memmory > * smc driver now accepts timings in nanoseconds as well as raw register values > * smc driver can clip the timings if they're out of bound and dump them to the > console > * DM9000 timings are now described in nanosecs (for the virtue of example) > > supported features: > * dbgu > * nand > * lcd > * ethernet > * leds > > Jean-Jacques > > Jean-Jacques Hiblot (12): > at91: dt: Add at91sam9261 dt SoC support > at91: dt: sam9261: Basic Device Tree support for the at91sam9261ek > at91: dt: sam9261: Added support for the lcd display > at91: smc: export sam9_smc_cs_read and sam9_smc_cs_configure. > at91: smc: Increased the size of tdf_cycles in struct sam9_smc_config. > at91: smc: Adds helper functions to validate and clip the smc timings. > at91: dt: smc: Added smc bus driver > at91: sam9261: Add a clock definition for the smc > at91: dt: sam9261: Pinmux DT entries for the SMC/EBI interface > at91: dt: sam9261: Add an entry in the DT for the SMC/EBI bus driver. > at91: dt: sam9261: moved the NAND under the smc node > at91: dt: sam9261: Added DM9000 in the device tree > > arch/arm/boot/dts/Makefile | 2 + > arch/arm/boot/dts/at91sam9261.dtsi | 639 +++++++++++++++++++++++++ > arch/arm/boot/dts/at91sam9261ek.dts | 164 +++++++ > arch/arm/mach-at91/at91sam9261.c | 17 + > arch/arm/mach-at91/include/mach/at91sam9_smc.h | 6 +- > arch/arm/mach-at91/sam9_smc.c | 81 +++- > drivers/memory/Kconfig | 10 + > drivers/memory/Makefile | 1 + > drivers/memory/atmel-smc.c | 431 +++++++++++++++++ > 9 files changed, 1348 insertions(+), 3 deletions(-) > create mode 100644 arch/arm/boot/dts/at91sam9261.dtsi > create mode 100644 arch/arm/boot/dts/at91sam9261ek.dts > create mode 100644 drivers/memory/atmel-smc.c > -- 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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